/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.deltaspike.core.api.scope;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
/**
* Represents a subgroup of a conversation group. Useful for closing a subset of {@code @GroupConversationScoped} beans
* in a {@code ConversationGroup}.
*
* <pre>
* public class MyGroup{}
*
* @ConversationScoped
* @ConversationGroup(MyGroup.class)
* public class BeanA {}
*
* @ConversationScoped
* @ConversationGroup(MyGroup.class)
* public class BeanB {}
*
* @ConversationScoped
* @ConversationGroup(MyGroup.class)
* public class BeanC {}
*
* @ConversationSubGroup(of = MyGroup.class, subGroup = {BeanA.class, BeanB.class})
* public class MySubGroup {}
* </pre> or
* <pre>
* @ConversationSubGroup(subGroup = {BeanA.class, BeanB.class})
* public class MySubGroup extends MyGroup {}
*
* //...
* this.groupedConversationManager.closeConversation(MySubGroup.class)
* </pre> or it's possible to use implicit subgroups (point to the interface instead of the bean class itself):
* <pre>
* public interface MyUseCase {}
*
* @ConversationSubGroup(of = MyGroup.class, subGroup = MyUseCase.class)
* public class ImplicitSubGroup {}
*
* @Named("myController")
* @ConversationScoped
* @ConversationGroup(MyGroup.class)
* public class MyController implements Serializable, MyUseCase
* {
* //...
* }
* //...
* this.groupedConversationManager.closeConversation(ImplicitSubGroup.class)
* </pre>
*
* @see ConversationGroup
* @see GroupedConversationScoped
*/
@Target(TYPE)
@Retention(RUNTIME)
@Documented
public @interface ConversationSubGroup
{
/**
* Optionally defines the base conversation group.
*
* @return base conversation group or ConversationSubGroup if the subgroup inherits from the base conversation group
*/
Class<?> of() default ConversationSubGroup.class;
/**
* Members of the subgroup.
*
* @return beans to include in the subgroup
*/
Class<?>[] subGroup();
}