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* 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
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* KIND, either express or implied. See the License for the
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package org.apache.cayenne.lifecycle.cache;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Annotation for defining cache group in case different cache types are targeted.
*
* @see CacheGroups
* @see CacheGroupsHandler
*
* @since 4.0
*/
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
public @interface CacheGroup {
/**
* @return cache group name
*/
String value();
/**
* Defines key type of the cache.
* Could be used for managing external caches that is strictly typed (e.g. JCache).
*/
Class<?> keyType() default Void.class;
/**
* Defines value type of the cache.
* Could be used for managing external caches that is strictly typed (e.g. JCache).
*/
Class<?> valueType() default Void.class;
}