mirror of
https://github.com/tiennm99/java-design-patterns.git
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Ilkka Seppälä
0ca162a55c
* remove spring dep move junit, logging, mockito under dep mgmt * upgrade anti-corruption-layer deps * async method invocation * balking, bloc * bridge to bytecode * caching * callback - cqrs * component - health check * hexagonal - metadata mapping * rest of the patterns * remove checkstyle, take spotless into use
82 lines
2.7 KiB
Java
82 lines
2.7 KiB
Java
/*
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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.roleobject;
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import java.util.Arrays;
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import java.util.Optional;
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/** The main abstraction to work with Customer. */
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public abstract class Customer {
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/**
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* Add specific role @see {@link Role}.
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*
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* @param role to add
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* @return true if the operation has been successful otherwise false
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*/
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public abstract boolean addRole(Role role);
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/**
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* Check specific role @see {@link Role}.
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*
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* @param role to check
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* @return true if the role exists otherwise false
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*/
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public abstract boolean hasRole(Role role);
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/**
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* Remove specific role @see {@link Role}.
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*
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* @param role to remove
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* @return true if the operation has been successful otherwise false
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*/
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public abstract boolean remRole(Role role);
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/**
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* Get specific instance associated with this role @see {@link Role}.
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*
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* @param role to get
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* @param expectedRole instance class expected to get
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* @return optional with value if the instance exists and corresponds expected class
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*/
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public abstract <T extends Customer> Optional<T> getRole(Role role, Class<T> expectedRole);
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public static Customer newCustomer() {
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return new CustomerCore();
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}
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/**
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* Create {@link Customer} with given roles.
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*
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* @param role roles
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* @return Customer
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*/
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public static Customer newCustomer(Role... role) {
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var customer = newCustomer();
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Arrays.stream(role).forEach(customer::addRole);
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return customer;
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}
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}
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