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refactor: Refactor commander (#2983)
* Resolved issue #2978 Refactor Commander * Fixed checkstyle issues --------- Co-authored-by: Mayankchoudhary294 <mayankchoudhary4302@example.com>
This commit is contained in:
Mayank Choudhary
co-authored by
Mayankchoudhary294
Mayankchoudhary294
parent
d872bf97c9
commit
ed90c41083
+28
-65
@@ -39,70 +39,33 @@
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<artifactId>junit-jupiter-engine</artifactId>
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<artifactId>junit-jupiter-engine</artifactId>
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<scope>test</scope>
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<scope>test</scope>
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</dependency>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>${slf4j.version}</version>
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</dependency>
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</dependencies>
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</dependencies>
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<build>
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<build>
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<plugins>
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<plugins>
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<plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-assembly-plugin</artifactId>
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<artifactId>maven-compiler-plugin</artifactId>
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<executions>
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<version>3.8.1</version>
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<execution>
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<executions>
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<id>Employee</id>
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<execution>
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<configuration>
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<id>allCases</id>
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<archive>
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<configuration>
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<manifest>
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<archive>
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<mainClass>com.iluwatar.commander.AppEmployeeDbFailCases</mainClass>
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<manifest>
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</manifest>
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<mainClass>com.iluwatar.commander.AppAllCases</mainClass>
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</archive>
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</manifest>
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<finalName>${project.artifactId}-EmployeeDBFailCase</finalName>
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</archive>
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</configuration>
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<finalName>${project.artifactId}-AllCases</finalName>
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</execution>
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</configuration>
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<execution>
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</execution>
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<id>Message</id>
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</executions>
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<configuration>
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</plugin>
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<archive>
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</plugins>
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<manifest>
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</build>
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<mainClass>com.iluwatar.commander.AppMessagingFailCases</mainClass>
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</manifest>
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</archive>
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<finalName>${project.artifactId}-MessagingFailCase</finalName>
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</configuration>
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</execution>
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<execution>
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<id>Payment</id>
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<configuration>
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<archive>
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<manifest>
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<mainClass>com.iluwatar.commander.AppPaymentFailCases</mainClass>
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</manifest>
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</archive>
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<finalName>${project.artifactId}-PaymentFailCase</finalName>
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</configuration>
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</execution>
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<execution>
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<id>Queue</id>
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<configuration>
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<archive>
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<manifest>
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<mainClass>com.iluwatar.commander.AppQueueFailCases</mainClass>
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</manifest>
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</archive>
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<finalName>${project.artifactId}-QueueFailCase</finalName>
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</configuration>
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</execution>
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<execution>
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<id>Shipping</id>
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<configuration>
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<archive>
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<manifest>
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<mainClass>com.iluwatar.commander.AppShippingFailCases</mainClass>
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</manifest>
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</archive>
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<finalName>${project.artifactId}-ShippingFailCase</finalName>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>
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</project>
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@@ -0,0 +1,403 @@
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/*
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* This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
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*
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* The MIT License
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* Copyright © 2014-2022 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.commander;
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import com.iluwatar.commander.employeehandle.EmployeeDatabase;
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import com.iluwatar.commander.employeehandle.EmployeeHandle;
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import com.iluwatar.commander.exceptions.DatabaseUnavailableException;
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import com.iluwatar.commander.exceptions.ItemUnavailableException;
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import com.iluwatar.commander.exceptions.PaymentDetailsErrorException;
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import com.iluwatar.commander.messagingservice.MessagingDatabase;
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import com.iluwatar.commander.messagingservice.MessagingService;
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import com.iluwatar.commander.paymentservice.PaymentDatabase;
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import com.iluwatar.commander.paymentservice.PaymentService;
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import com.iluwatar.commander.queue.QueueDatabase;
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import com.iluwatar.commander.shippingservice.ShippingDatabase;
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import com.iluwatar.commander.shippingservice.ShippingService;
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/**
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* The {@code AppAllCases} class tests various scenarios for the microservices involved
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* in the order placement process. This class consolidates previously separated cases
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* into a single class to manage different success and failure scenarios for each service.
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*
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* <p>The application consists of abstract classes {@link Database} and {@link Service}
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* which are extended by all the databases and services. Each service has a corresponding
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* database to be updated and receives requests from an external user through the
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* {@link Commander} class. There are 5 microservices:
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* <ul>
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* <li>{@link ShippingService}</li>
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* <li>{@link PaymentService}</li>
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* <li>{@link MessagingService}</li>
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* <li>{@link EmployeeHandle}</li>
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* <li>{@link QueueDatabase}</li>
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* </ul>
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*
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* <p>Retries are managed using the {@link Retry} class, ensuring idempotence by performing
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* checks before making requests to services and updating the {@link Order} class fields
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* upon request success or definitive failure.
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*
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* <p>This class tests the following scenarios:
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* <ul>
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* <li>Employee database availability and unavailability</li>
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* <li>Payment service success and failures</li>
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* <li>Messaging service database availability and unavailability</li>
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* <li>Queue database availability and unavailability</li>
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* <li>Shipping service success and failures</li>
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* </ul>
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*
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* <p>Each scenario is encapsulated in a corresponding method that sets up the service
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* conditions and tests the order placement process.
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*
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* <p>The main method executes all success and failure cases to verify the application's
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* behavior under different conditions.
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*
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* <p><strong>Usage:</strong>
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* <pre>
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* {@code
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* public static void main(String[] args) {
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* AppAllCases app = new AppAllCases();
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* app.testAllScenarios();
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* }
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* }
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* </pre>
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*/
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public class AppAllCases {
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private static final RetryParams retryParams = RetryParams.DEFAULT;
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private static final TimeLimits timeLimits = TimeLimits.DEFAULT;
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// Employee Database Fail Case
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void employeeDatabaseUnavailableCase() {
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var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var ss = new ShippingService(new ShippingDatabase());
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var ms = new MessagingService(new MessagingDatabase());
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var eh = new EmployeeHandle(new EmployeeDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var qdb = new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException());
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var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
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var user = new User("Jim", "ABCD");
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var order = new Order(user, "book", 10f);
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c.placeOrder(order);
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}
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// Employee Database Success Case
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void employeeDbSuccessCase() {
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var ps = new PaymentService(new PaymentDatabase());
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var ss = new ShippingService(new ShippingDatabase(), new ItemUnavailableException());
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var ms = new MessagingService(new MessagingDatabase());
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var eh = new EmployeeHandle(new EmployeeDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var qdb = new QueueDatabase();
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var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
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var user = new User("Jim", "ABCD");
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var order = new Order(user, "book", 10f);
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c.placeOrder(order);
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}
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// Messaging Database Fail Cases
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void messagingDatabaseUnavailableCasePaymentSuccess() {
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var ps = new PaymentService(new PaymentDatabase());
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var ss = new ShippingService(new ShippingDatabase());
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var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var eh = new EmployeeHandle(new EmployeeDatabase());
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var qdb = new QueueDatabase();
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var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
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var user = new User("Jim", "ABCD");
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var order = new Order(user, "book", 10f);
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c.placeOrder(order);
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}
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void messagingDatabaseUnavailableCasePaymentError() {
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var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var ss = new ShippingService(new ShippingDatabase());
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var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException());
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var eh = new EmployeeHandle(new EmployeeDatabase());
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var qdb = new QueueDatabase();
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var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
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var user = new User("Jim", "ABCD");
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var order = new Order(user, "book", 10f);
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c.placeOrder(order);
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}
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void messagingDatabaseUnavailableCasePaymentFailure() {
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var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var ss = new ShippingService(new ShippingDatabase());
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var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var eh = new EmployeeHandle(new EmployeeDatabase());
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var qdb = new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException());
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var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
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var user = new User("Jim", "ABCD");
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var order = new Order(user, "book", 10f);
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c.placeOrder(order);
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}
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// Messaging Database Success Case
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void messagingSuccessCase() {
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var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var ss = new ShippingService(new ShippingDatabase());
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var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException());
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var eh = new EmployeeHandle(new EmployeeDatabase());
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var qdb = new QueueDatabase();
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var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
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var user = new User("Jim", "ABCD");
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var order = new Order(user, "book", 10f);
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c.placeOrder(order);
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}
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// Payment Database Fail Cases
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void paymentNotPossibleCase() {
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var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
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new PaymentDetailsErrorException());
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var ss = new ShippingService(new ShippingDatabase());
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var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException());
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var eh = new EmployeeHandle(new EmployeeDatabase());
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var qdb = new QueueDatabase(new DatabaseUnavailableException());
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var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
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var user = new User("Jim", "ABCD");
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var order = new Order(user, "book", 10f);
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c.placeOrder(order);
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}
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void paymentDatabaseUnavailableCase() {
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var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var ss = new ShippingService(new ShippingDatabase());
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var ms = new MessagingService(new MessagingDatabase());
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var eh = new EmployeeHandle(new EmployeeDatabase());
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var qdb = new QueueDatabase();
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var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
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var user = new User("Jim", "ABCD");
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var order = new Order(user, "book", 10f);
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c.placeOrder(order);
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}
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// Payment Database Success Case
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void paymentSuccessCase() {
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var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var ss = new ShippingService(new ShippingDatabase());
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var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException());
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var eh = new EmployeeHandle(new EmployeeDatabase());
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var qdb = new QueueDatabase(new DatabaseUnavailableException());
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var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
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var user = new User("Jim", "ABCD");
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var order = new Order(user, "book", 10f);
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c.placeOrder(order);
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}
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// Queue Database Fail Cases
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void queuePaymentTaskDatabaseUnavailableCase() {
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var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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var ss = new ShippingService(new ShippingDatabase());
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var ms = new MessagingService(new MessagingDatabase());
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var eh = new EmployeeHandle(new EmployeeDatabase());
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var qdb = new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException());
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var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
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var user = new User("Jim", "ABCD");
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var order = new Order(user, "book", 10f);
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c.placeOrder(order);
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}
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void queueMessageTaskDatabaseUnavailableCase() {
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var ps = new PaymentService(new PaymentDatabase());
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var ss = new ShippingService(new ShippingDatabase());
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var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException(), new DatabaseUnavailableException(),
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new DatabaseUnavailableException());
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||||||
|
var eh = new EmployeeHandle(new EmployeeDatabase());
|
||||||
|
var qdb = new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException());
|
||||||
|
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
||||||
|
var user = new User("Jim", "ABCD");
|
||||||
|
var order = new Order(user, "book", 10f);
|
||||||
|
c.placeOrder(order);
|
||||||
|
}
|
||||||
|
|
||||||
|
void queueEmployeeDbTaskDatabaseUnavailableCase() {
|
||||||
|
var ps = new PaymentService(new PaymentDatabase());
|
||||||
|
var ss = new ShippingService(new ShippingDatabase(), new ItemUnavailableException());
|
||||||
|
var ms = new MessagingService(new MessagingDatabase());
|
||||||
|
var eh = new EmployeeHandle(new EmployeeDatabase(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException());
|
||||||
|
var qdb =
|
||||||
|
new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException());
|
||||||
|
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
||||||
|
var user = new User("Jim", "ABCD");
|
||||||
|
var order = new Order(user, "book", 10f);
|
||||||
|
c.placeOrder(order);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Queue Database Success Cases
|
||||||
|
void queueSuccessCase() {
|
||||||
|
var ps = new PaymentService(new PaymentDatabase());
|
||||||
|
var ss = new ShippingService(new ShippingDatabase(), new ItemUnavailableException());
|
||||||
|
var ms = new MessagingService(new MessagingDatabase());
|
||||||
|
var eh = new EmployeeHandle(new EmployeeDatabase(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException());
|
||||||
|
var qdb = new QueueDatabase();
|
||||||
|
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
||||||
|
var user = new User("Jim", "ABCD");
|
||||||
|
var order = new Order(user, "book", 10f);
|
||||||
|
c.placeOrder(order);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Shipping Database Fail Cases
|
||||||
|
void itemUnavailableCase() {
|
||||||
|
var ps = new PaymentService(new PaymentDatabase());
|
||||||
|
var ss = new ShippingService(new ShippingDatabase(), new ItemUnavailableException());
|
||||||
|
var ms = new MessagingService(new MessagingDatabase());
|
||||||
|
var eh = new EmployeeHandle(new EmployeeDatabase());
|
||||||
|
var qdb = new QueueDatabase();
|
||||||
|
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
||||||
|
var user = new User("Jim", "ABCD");
|
||||||
|
var order = new Order(user, "book", 10f);
|
||||||
|
c.placeOrder(order);
|
||||||
|
}
|
||||||
|
|
||||||
|
void shippingDatabaseUnavailableCase() {
|
||||||
|
var ps = new PaymentService(new PaymentDatabase());
|
||||||
|
var ss = new ShippingService(new ShippingDatabase(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException(), new DatabaseUnavailableException());
|
||||||
|
var ms = new MessagingService(new MessagingDatabase());
|
||||||
|
var eh = new EmployeeHandle(new EmployeeDatabase());
|
||||||
|
var qdb = new QueueDatabase();
|
||||||
|
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
||||||
|
var user = new User("Jim", "ABCD");
|
||||||
|
var order = new Order(user, "book", 10f);
|
||||||
|
c.placeOrder(order);
|
||||||
|
}
|
||||||
|
|
||||||
|
void shippingItemNotPossibleCase() {
|
||||||
|
var ps = new PaymentService(new PaymentDatabase());
|
||||||
|
var ss = new ShippingService(new ShippingDatabase(), new ItemUnavailableException());
|
||||||
|
var ms = new MessagingService(new MessagingDatabase());
|
||||||
|
var eh = new EmployeeHandle(new EmployeeDatabase());
|
||||||
|
var qdb = new QueueDatabase();
|
||||||
|
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
||||||
|
var user = new User("Jim", "ABCD");
|
||||||
|
var order = new Order(user, "book", 10f);
|
||||||
|
c.placeOrder(order);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Shipping Database Success Cases
|
||||||
|
void shippingSuccessCase() {
|
||||||
|
var ps = new PaymentService(new PaymentDatabase());
|
||||||
|
var ss = new ShippingService(new ShippingDatabase(), new ItemUnavailableException());
|
||||||
|
var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException());
|
||||||
|
var eh = new EmployeeHandle(new EmployeeDatabase(), new DatabaseUnavailableException(),
|
||||||
|
new DatabaseUnavailableException());
|
||||||
|
var qdb = new QueueDatabase();
|
||||||
|
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
||||||
|
var user = new User("Jim", "ABCD");
|
||||||
|
var order = new Order(user, "book", 10f);
|
||||||
|
c.placeOrder(order);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Program entry point.
|
||||||
|
* @param args command line arguments
|
||||||
|
*/
|
||||||
|
public static void main(String[] args) {
|
||||||
|
AppAllCases app = new AppAllCases();
|
||||||
|
|
||||||
|
// Employee Database cases
|
||||||
|
app.employeeDatabaseUnavailableCase();
|
||||||
|
app.employeeDbSuccessCase();
|
||||||
|
|
||||||
|
// Messaging Database cases
|
||||||
|
app.messagingDatabaseUnavailableCasePaymentSuccess();
|
||||||
|
app.messagingDatabaseUnavailableCasePaymentError();
|
||||||
|
app.messagingDatabaseUnavailableCasePaymentFailure();
|
||||||
|
app.messagingSuccessCase();
|
||||||
|
|
||||||
|
//Payment Database cases
|
||||||
|
app.paymentNotPossibleCase();
|
||||||
|
app.paymentDatabaseUnavailableCase();
|
||||||
|
app.paymentSuccessCase();
|
||||||
|
|
||||||
|
// Queue Database cases
|
||||||
|
app.queuePaymentTaskDatabaseUnavailableCase();
|
||||||
|
app.queueMessageTaskDatabaseUnavailableCase();
|
||||||
|
app.queueEmployeeDbTaskDatabaseUnavailableCase();
|
||||||
|
app.queueSuccessCase();
|
||||||
|
|
||||||
|
// Shipping Database cases
|
||||||
|
app.itemUnavailableCase();
|
||||||
|
app.shippingDatabaseUnavailableCase();
|
||||||
|
app.shippingItemNotPossibleCase();
|
||||||
|
app.shippingSuccessCase();
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -1,92 +0,0 @@
|
|||||||
/*
|
|
||||||
* This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
|
|
||||||
*
|
|
||||||
* The MIT License
|
|
||||||
* Copyright © 2014-2022 Ilkka Seppälä
|
|
||||||
*
|
|
||||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
||||||
* of this software and associated documentation files (the "Software"), to deal
|
|
||||||
* in the Software without restriction, including without limitation the rights
|
|
||||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
||||||
* copies of the Software, and to permit persons to whom the Software is
|
|
||||||
* furnished to do so, subject to the following conditions:
|
|
||||||
*
|
|
||||||
* The above copyright notice and this permission notice shall be included in
|
|
||||||
* all copies or substantial portions of the Software.
|
|
||||||
*
|
|
||||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
||||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
||||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
||||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
||||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
||||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
||||||
* THE SOFTWARE.
|
|
||||||
*/
|
|
||||||
package com.iluwatar.commander;
|
|
||||||
|
|
||||||
import com.iluwatar.commander.employeehandle.EmployeeDatabase;
|
|
||||||
import com.iluwatar.commander.employeehandle.EmployeeHandle;
|
|
||||||
import com.iluwatar.commander.exceptions.DatabaseUnavailableException;
|
|
||||||
import com.iluwatar.commander.exceptions.ItemUnavailableException;
|
|
||||||
import com.iluwatar.commander.messagingservice.MessagingDatabase;
|
|
||||||
import com.iluwatar.commander.messagingservice.MessagingService;
|
|
||||||
import com.iluwatar.commander.paymentservice.PaymentDatabase;
|
|
||||||
import com.iluwatar.commander.paymentservice.PaymentService;
|
|
||||||
import com.iluwatar.commander.queue.QueueDatabase;
|
|
||||||
import com.iluwatar.commander.shippingservice.ShippingDatabase;
|
|
||||||
import com.iluwatar.commander.shippingservice.ShippingService;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* AppEmployeeDbFailCases class looks at possible cases when Employee handle service is
|
|
||||||
* available/unavailable.
|
|
||||||
*/
|
|
||||||
public class AppEmployeeDbFailCases {
|
|
||||||
private static final RetryParams retryParams = RetryParams.DEFAULT;
|
|
||||||
|
|
||||||
private static final TimeLimits timeLimits = TimeLimits.DEFAULT;
|
|
||||||
|
|
||||||
void employeeDatabaseUnavailableCase() {
|
|
||||||
var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var qdb =
|
|
||||||
new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException());
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void employeeDbSuccessCase() {
|
|
||||||
var ps = new PaymentService(new PaymentDatabase());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase(), new ItemUnavailableException());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var qdb = new QueueDatabase();
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Program entry point.
|
|
||||||
*
|
|
||||||
* @param args command line args
|
|
||||||
*/
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
var aefc = new AppEmployeeDbFailCases();
|
|
||||||
aefc.employeeDbSuccessCase();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,138 +0,0 @@
|
|||||||
/*
|
|
||||||
* This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
|
|
||||||
*
|
|
||||||
* The MIT License
|
|
||||||
* Copyright © 2014-2022 Ilkka Seppälä
|
|
||||||
*
|
|
||||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
||||||
* of this software and associated documentation files (the "Software"), to deal
|
|
||||||
* in the Software without restriction, including without limitation the rights
|
|
||||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
||||||
* copies of the Software, and to permit persons to whom the Software is
|
|
||||||
* furnished to do so, subject to the following conditions:
|
|
||||||
*
|
|
||||||
* The above copyright notice and this permission notice shall be included in
|
|
||||||
* all copies or substantial portions of the Software.
|
|
||||||
*
|
|
||||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
||||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
||||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
||||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
||||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
||||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
||||||
* THE SOFTWARE.
|
|
||||||
*/
|
|
||||||
package com.iluwatar.commander;
|
|
||||||
|
|
||||||
import com.iluwatar.commander.employeehandle.EmployeeDatabase;
|
|
||||||
import com.iluwatar.commander.employeehandle.EmployeeHandle;
|
|
||||||
import com.iluwatar.commander.exceptions.DatabaseUnavailableException;
|
|
||||||
import com.iluwatar.commander.messagingservice.MessagingDatabase;
|
|
||||||
import com.iluwatar.commander.messagingservice.MessagingService;
|
|
||||||
import com.iluwatar.commander.paymentservice.PaymentDatabase;
|
|
||||||
import com.iluwatar.commander.paymentservice.PaymentService;
|
|
||||||
import com.iluwatar.commander.queue.QueueDatabase;
|
|
||||||
import com.iluwatar.commander.shippingservice.ShippingDatabase;
|
|
||||||
import com.iluwatar.commander.shippingservice.ShippingService;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* AppMessagingFailCases class looks at possible cases when Messaging service is
|
|
||||||
* available/unavailable.
|
|
||||||
*/
|
|
||||||
|
|
||||||
public class AppMessagingFailCases {
|
|
||||||
private static final RetryParams retryParams = RetryParams.DEFAULT;
|
|
||||||
|
|
||||||
private static final TimeLimits timeLimits = TimeLimits.DEFAULT;
|
|
||||||
|
|
||||||
|
|
||||||
void messagingDatabaseUnavailableCasePaymentSuccess() {
|
|
||||||
//rest is successful
|
|
||||||
var ps = new PaymentService(new PaymentDatabase());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb = new QueueDatabase();
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void messagingDatabaseUnavailableCasePaymentError() {
|
|
||||||
//rest is successful
|
|
||||||
var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb = new QueueDatabase();
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void messagingDatabaseUnavailableCasePaymentFailure() {
|
|
||||||
//rest is successful
|
|
||||||
var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb =
|
|
||||||
new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException());
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void messagingSuccessCase() {
|
|
||||||
//done here
|
|
||||||
var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb = new QueueDatabase();
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Program entry point.
|
|
||||||
*
|
|
||||||
* @param args command line args
|
|
||||||
*/
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
var amfc = new AppMessagingFailCases();
|
|
||||||
amfc.messagingSuccessCase();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,102 +0,0 @@
|
|||||||
/*
|
|
||||||
* This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
|
|
||||||
*
|
|
||||||
* The MIT License
|
|
||||||
* Copyright © 2014-2022 Ilkka Seppälä
|
|
||||||
*
|
|
||||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
||||||
* of this software and associated documentation files (the "Software"), to deal
|
|
||||||
* in the Software without restriction, including without limitation the rights
|
|
||||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
||||||
* copies of the Software, and to permit persons to whom the Software is
|
|
||||||
* furnished to do so, subject to the following conditions:
|
|
||||||
*
|
|
||||||
* The above copyright notice and this permission notice shall be included in
|
|
||||||
* all copies or substantial portions of the Software.
|
|
||||||
*
|
|
||||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
||||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
||||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
||||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
||||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
||||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
||||||
* THE SOFTWARE.
|
|
||||||
*/
|
|
||||||
package com.iluwatar.commander;
|
|
||||||
|
|
||||||
import com.iluwatar.commander.employeehandle.EmployeeDatabase;
|
|
||||||
import com.iluwatar.commander.employeehandle.EmployeeHandle;
|
|
||||||
import com.iluwatar.commander.exceptions.DatabaseUnavailableException;
|
|
||||||
import com.iluwatar.commander.exceptions.PaymentDetailsErrorException;
|
|
||||||
import com.iluwatar.commander.messagingservice.MessagingDatabase;
|
|
||||||
import com.iluwatar.commander.messagingservice.MessagingService;
|
|
||||||
import com.iluwatar.commander.paymentservice.PaymentDatabase;
|
|
||||||
import com.iluwatar.commander.paymentservice.PaymentService;
|
|
||||||
import com.iluwatar.commander.queue.QueueDatabase;
|
|
||||||
import com.iluwatar.commander.shippingservice.ShippingDatabase;
|
|
||||||
import com.iluwatar.commander.shippingservice.ShippingService;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* AppPaymentFailCases class looks at possible cases when Payment service is available/unavailable.
|
|
||||||
*/
|
|
||||||
|
|
||||||
public class AppPaymentFailCases {
|
|
||||||
private static final RetryParams retryParams = RetryParams.DEFAULT;
|
|
||||||
|
|
||||||
private static final TimeLimits timeLimits = TimeLimits.DEFAULT;
|
|
||||||
|
|
||||||
void paymentNotPossibleCase() {
|
|
||||||
var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new PaymentDetailsErrorException());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb = new QueueDatabase(new DatabaseUnavailableException());
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void paymentDatabaseUnavailableCase() {
|
|
||||||
//rest is successful
|
|
||||||
var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb = new QueueDatabase();
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void paymentSuccessCase() {
|
|
||||||
//goes to message after 2 retries maybe - rest is successful for now
|
|
||||||
var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms =
|
|
||||||
new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb = new QueueDatabase(new DatabaseUnavailableException());
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Program entry point.
|
|
||||||
*
|
|
||||||
* @param args command line args
|
|
||||||
*/
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
var apfc = new AppPaymentFailCases();
|
|
||||||
apfc.paymentSuccessCase();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,137 +0,0 @@
|
|||||||
/*
|
|
||||||
* This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
|
|
||||||
*
|
|
||||||
* The MIT License
|
|
||||||
* Copyright © 2014-2022 Ilkka Seppälä
|
|
||||||
*
|
|
||||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
||||||
* of this software and associated documentation files (the "Software"), to deal
|
|
||||||
* in the Software without restriction, including without limitation the rights
|
|
||||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
||||||
* copies of the Software, and to permit persons to whom the Software is
|
|
||||||
* furnished to do so, subject to the following conditions:
|
|
||||||
*
|
|
||||||
* The above copyright notice and this permission notice shall be included in
|
|
||||||
* all copies or substantial portions of the Software.
|
|
||||||
*
|
|
||||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
||||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
||||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
||||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
||||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
||||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
||||||
* THE SOFTWARE.
|
|
||||||
*/
|
|
||||||
package com.iluwatar.commander;
|
|
||||||
|
|
||||||
import com.iluwatar.commander.employeehandle.EmployeeDatabase;
|
|
||||||
import com.iluwatar.commander.employeehandle.EmployeeHandle;
|
|
||||||
import com.iluwatar.commander.exceptions.DatabaseUnavailableException;
|
|
||||||
import com.iluwatar.commander.exceptions.ItemUnavailableException;
|
|
||||||
import com.iluwatar.commander.messagingservice.MessagingDatabase;
|
|
||||||
import com.iluwatar.commander.messagingservice.MessagingService;
|
|
||||||
import com.iluwatar.commander.paymentservice.PaymentDatabase;
|
|
||||||
import com.iluwatar.commander.paymentservice.PaymentService;
|
|
||||||
import com.iluwatar.commander.queue.QueueDatabase;
|
|
||||||
import com.iluwatar.commander.shippingservice.ShippingDatabase;
|
|
||||||
import com.iluwatar.commander.shippingservice.ShippingService;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* AppQueueFailCases class looks at possible cases when Queue Database is available/unavailable.
|
|
||||||
*/
|
|
||||||
|
|
||||||
public class AppQueueFailCases {
|
|
||||||
private static final RetryParams retryParams = RetryParams.DEFAULT;
|
|
||||||
|
|
||||||
private static final TimeLimits timeLimits = TimeLimits.DEFAULT;
|
|
||||||
|
|
||||||
|
|
||||||
void queuePaymentTaskDatabaseUnavailableCase() {
|
|
||||||
var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb =
|
|
||||||
new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException());
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void queueMessageTaskDatabaseUnavailableCase() {
|
|
||||||
var ps = new PaymentService(new PaymentDatabase());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb =
|
|
||||||
new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException());
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void queueEmployeeDbTaskDatabaseUnavailableCase() {
|
|
||||||
var ps = new PaymentService(new PaymentDatabase());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase(), new ItemUnavailableException());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var qdb =
|
|
||||||
new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException());
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void queueSuccessCase() {
|
|
||||||
var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase());
|
|
||||||
var ms =
|
|
||||||
new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb =
|
|
||||||
new QueueDatabase(new DatabaseUnavailableException(), new DatabaseUnavailableException());
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Program entry point.
|
|
||||||
*
|
|
||||||
* @param args command line args
|
|
||||||
*/
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
var aqfc = new AppQueueFailCases();
|
|
||||||
aqfc.queueSuccessCase();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,114 +0,0 @@
|
|||||||
/*
|
|
||||||
* This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
|
|
||||||
*
|
|
||||||
* The MIT License
|
|
||||||
* Copyright © 2014-2022 Ilkka Seppälä
|
|
||||||
*
|
|
||||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
||||||
* of this software and associated documentation files (the "Software"), to deal
|
|
||||||
* in the Software without restriction, including without limitation the rights
|
|
||||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
||||||
* copies of the Software, and to permit persons to whom the Software is
|
|
||||||
* furnished to do so, subject to the following conditions:
|
|
||||||
*
|
|
||||||
* The above copyright notice and this permission notice shall be included in
|
|
||||||
* all copies or substantial portions of the Software.
|
|
||||||
*
|
|
||||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
||||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
||||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
||||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
||||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
||||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
||||||
* THE SOFTWARE.
|
|
||||||
*/
|
|
||||||
package com.iluwatar.commander;
|
|
||||||
|
|
||||||
import com.iluwatar.commander.employeehandle.EmployeeDatabase;
|
|
||||||
import com.iluwatar.commander.employeehandle.EmployeeHandle;
|
|
||||||
import com.iluwatar.commander.exceptions.DatabaseUnavailableException;
|
|
||||||
import com.iluwatar.commander.exceptions.ItemUnavailableException;
|
|
||||||
import com.iluwatar.commander.exceptions.ShippingNotPossibleException;
|
|
||||||
import com.iluwatar.commander.messagingservice.MessagingDatabase;
|
|
||||||
import com.iluwatar.commander.messagingservice.MessagingService;
|
|
||||||
import com.iluwatar.commander.paymentservice.PaymentDatabase;
|
|
||||||
import com.iluwatar.commander.paymentservice.PaymentService;
|
|
||||||
import com.iluwatar.commander.queue.QueueDatabase;
|
|
||||||
import com.iluwatar.commander.shippingservice.ShippingDatabase;
|
|
||||||
import com.iluwatar.commander.shippingservice.ShippingService;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* AppShippingFailCases class looks at possible cases when Shipping service is
|
|
||||||
* available/unavailable.
|
|
||||||
*/
|
|
||||||
|
|
||||||
public class AppShippingFailCases {
|
|
||||||
|
|
||||||
private static final RetryParams retryParams = RetryParams.DEFAULT;
|
|
||||||
private static final TimeLimits timeLimits = TimeLimits.DEFAULT;
|
|
||||||
|
|
||||||
void itemUnavailableCase() {
|
|
||||||
var ps = new PaymentService(new PaymentDatabase());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase(), new ItemUnavailableException());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb = new QueueDatabase();
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void shippingNotPossibleCase() {
|
|
||||||
var ps = new PaymentService(new PaymentDatabase());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase(), new ShippingNotPossibleException());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb = new QueueDatabase();
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void shippingDatabaseUnavailableCase() {
|
|
||||||
//rest is successful
|
|
||||||
var ps = new PaymentService(new PaymentDatabase());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb = new QueueDatabase();
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
void shippingSuccessCase() {
|
|
||||||
//goes to payment after 2 retries maybe - rest is successful for now
|
|
||||||
var ps = new PaymentService(new PaymentDatabase(), new DatabaseUnavailableException());
|
|
||||||
var ss = new ShippingService(new ShippingDatabase(), new DatabaseUnavailableException(),
|
|
||||||
new DatabaseUnavailableException());
|
|
||||||
var ms = new MessagingService(new MessagingDatabase(), new DatabaseUnavailableException());
|
|
||||||
var eh = new EmployeeHandle(new EmployeeDatabase());
|
|
||||||
var qdb = new QueueDatabase();
|
|
||||||
var c = new Commander(eh, ps, ss, ms, qdb, retryParams, timeLimits);
|
|
||||||
var user = new User("Jim", "ABCD");
|
|
||||||
var order = new Order(user, "book", 10f);
|
|
||||||
c.placeOrder(order);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Program entry point.
|
|
||||||
*
|
|
||||||
* @param args command line args
|
|
||||||
*/
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
var asfc = new AppShippingFailCases();
|
|
||||||
asfc.shippingSuccessCase();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -67,10 +67,9 @@ import org.slf4j.LoggerFactory;
|
|||||||
* {@link ShippingService}, {@link PaymentService}, {@link MessagingService}, {@link EmployeeHandle}
|
* {@link ShippingService}, {@link PaymentService}, {@link MessagingService}, {@link EmployeeHandle}
|
||||||
* and a {@link QueueDatabase}. We use retries to execute any instruction using {@link Retry} class,
|
* and a {@link QueueDatabase}. We use retries to execute any instruction using {@link Retry} class,
|
||||||
* and idempotence is ensured by going through some checks before making requests to services and
|
* and idempotence is ensured by going through some checks before making requests to services and
|
||||||
* making change in {@link Order} class fields if request succeeds or definitively fails. There are
|
* making change in {@link Order} class fields if request succeeds or definitively fails. There is
|
||||||
* 5 classes - {@link AppShippingFailCases}, {@link AppPaymentFailCases}, {@link
|
* a single class {@link AppAllCases} that looks at the different scenarios that may be encountered
|
||||||
* AppMessagingFailCases}, {@link AppQueueFailCases} and {@link AppEmployeeDbFailCases}, which look
|
* during the placing of an order, including both success and failure cases for each service.</p>
|
||||||
* at the different scenarios that may be encountered during the placing of an order.</p>
|
|
||||||
*/
|
*/
|
||||||
|
|
||||||
public class Commander {
|
public class Commander {
|
||||||
|
|||||||
@@ -52,6 +52,8 @@ class CommanderTest {
|
|||||||
|
|
||||||
private static final List<Exception> exceptionList = new ArrayList<>();
|
private static final List<Exception> exceptionList = new ArrayList<>();
|
||||||
|
|
||||||
|
private static final AppAllCases appAllCases = new AppAllCases();
|
||||||
|
|
||||||
static {
|
static {
|
||||||
exceptionList.add(new DatabaseUnavailableException());
|
exceptionList.add(new DatabaseUnavailableException());
|
||||||
exceptionList.add(new ShippingNotPossibleException());
|
exceptionList.add(new ShippingNotPossibleException());
|
||||||
@@ -592,4 +594,32 @@ class CommanderTest {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
void testAllSuccessCases() throws Exception{
|
||||||
|
appAllCases.employeeDbSuccessCase();
|
||||||
|
appAllCases.messagingSuccessCase();
|
||||||
|
appAllCases.paymentSuccessCase();
|
||||||
|
appAllCases.queueSuccessCase();
|
||||||
|
appAllCases.shippingSuccessCase();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
void testAllUnavailableCase() throws Exception {
|
||||||
|
appAllCases.employeeDatabaseUnavailableCase();
|
||||||
|
appAllCases.messagingDatabaseUnavailableCasePaymentSuccess();
|
||||||
|
appAllCases.messagingDatabaseUnavailableCasePaymentError();
|
||||||
|
appAllCases.messagingDatabaseUnavailableCasePaymentFailure();
|
||||||
|
appAllCases.paymentDatabaseUnavailableCase();
|
||||||
|
appAllCases.queuePaymentTaskDatabaseUnavailableCase();
|
||||||
|
appAllCases.queueMessageTaskDatabaseUnavailableCase();
|
||||||
|
appAllCases.queueEmployeeDbTaskDatabaseUnavailableCase();
|
||||||
|
appAllCases.itemUnavailableCase();
|
||||||
|
appAllCases.shippingDatabaseUnavailableCase();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
void testAllNotPossibleCase() throws Exception {
|
||||||
|
appAllCases.paymentNotPossibleCase();
|
||||||
|
appAllCases.shippingItemNotPossibleCase();
|
||||||
|
}
|
||||||
}
|
}
|
||||||
Reference in New Issue
Block a user