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Reformat business-delegate, callback, chain, command, composite, dao, decorator & dependency-injection patterns.

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Ankur Kaushal
2015-11-01 18:48:43 -05:00
parent 3af06a3a3a
commit 449340bd2b
54 changed files with 698 additions and 700 deletions
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business-delegate/src/main/java/com/iluwatar/business/delegate/App.java
+25 -23
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@@ -2,34 +2,36 @@ package com.iluwatar.business.delegate;
/**
*
* The Business Delegate pattern adds an abstraction layer between the presentation and business tiers.
* By using the pattern we gain loose coupling between the tiers. The Business Delegate encapsulates
* knowledge about how to locate, connect to, and interact with the business objects that make up
* the application.
* The Business Delegate pattern adds an abstraction layer between the presentation and business
* tiers. By using the pattern we gain loose coupling between the tiers. The Business Delegate
* encapsulates knowledge about how to locate, connect to, and interact with the business objects
* that make up the application.
* <p>
* Some of the services the Business Delegate uses are instantiated directly, and some can be retrieved
* through service lookups. The Business Delegate itself may contain business logic too potentially tying
* together multiple service calls, exception handling, retrying etc.
* Some of the services the Business Delegate uses are instantiated directly, and some can be
* retrieved through service lookups. The Business Delegate itself may contain business logic too
* potentially tying together multiple service calls, exception handling, retrying etc.
* <p>
* In this example the client ({@link Client}) utilizes a business delegate ({@link BusinessDelegate}) to execute a task.
* The Business Delegate then selects the appropriate service and makes the service call.
* In this example the client ({@link Client}) utilizes a business delegate (
* {@link BusinessDelegate}) to execute a task. The Business Delegate then selects the appropriate
* service and makes the service call.
*
*/
public class App {
/**
* Program entry point
* @param args command line args
*/
public static void main(String[] args) {
BusinessDelegate businessDelegate = new BusinessDelegate();
businessDelegate.setServiceType(ServiceType.EJB);
Client client = new Client(businessDelegate);
client.doTask();
/**
* Program entry point
*
* @param args command line args
*/
public static void main(String[] args) {
businessDelegate.setServiceType(ServiceType.JMS);
client.doTask();
}
BusinessDelegate businessDelegate = new BusinessDelegate();
businessDelegate.setServiceType(ServiceType.EJB);
Client client = new Client(businessDelegate);
client.doTask();
businessDelegate.setServiceType(ServiceType.JMS);
client.doTask();
}
}