spring TestableCacheKeyGenerator 源码
spring TestableCacheKeyGenerator 代码
文件路径：/spring-context-support/src/testFixtures/java/org/springframework/contextsupport/testfixture/cache/TestableCacheKeyGenerator.java
/*
* Copyright 2002-2019 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.contextsupport.testfixture.cache;
import java.lang.annotation.Annotation;
import javax.cache.annotation.CacheKeyGenerator;
import javax.cache.annotation.CacheKeyInvocationContext;
import javax.cache.annotation.GeneratedCacheKey;
import org.springframework.cache.interceptor.SimpleKey;
/**
* A simple test key generator that only takes the first key arguments into
* account. To be used with a multi parameters key to validate it has been
* used properly.
*
* @author Stephane Nicoll
*/
public class TestableCacheKeyGenerator implements CacheKeyGenerator {
@Override
public GeneratedCacheKey generateCacheKey(CacheKeyInvocationContext<? extends Annotation> context) {
return new SimpleGeneratedCacheKey(context.getKeyParameters()[0]);
}
@SuppressWarnings("serial")
private static class SimpleGeneratedCacheKey extends SimpleKey implements GeneratedCacheKey {
public SimpleGeneratedCacheKey(Object... elements) {
super(elements);
}
}
}
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