org.springframework.cache.interceptor.SimpleCacheResolver Maven / Gradle / Ivy
/*
* Copyright 2002-2018 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.cache.interceptor;
import java.util.Collection;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.lang.Nullable;
/**
* A simple {@link CacheResolver} that resolves the {@link Cache} instance(s)
* based on a configurable {@link CacheManager} and the name of the
* cache(s) as provided by {@link BasicOperation#getCacheNames() getCacheNames()}.
*
* @author Stephane Nicoll
* @author Juergen Hoeller
* @since 4.1
* @see BasicOperation#getCacheNames()
*/
public class SimpleCacheResolver extends AbstractCacheResolver {
/**
* Construct a new {@code SimpleCacheResolver}.
* @see #setCacheManager
*/
public SimpleCacheResolver() {
}
/**
* Construct a new {@code SimpleCacheResolver} for the given {@link CacheManager}.
* @param cacheManager the CacheManager to use
*/
public SimpleCacheResolver(CacheManager cacheManager) {
super(cacheManager);
}
@Override
protected Collection getCacheNames(CacheOperationInvocationContext context) {
return context.getOperation().getCacheNames();
}
/**
* Return a {@code SimpleCacheResolver} for the given {@link CacheManager}.
* @param cacheManager the CacheManager (potentially {@code null})
* @return the SimpleCacheResolver ({@code null} if the CacheManager was {@code null})
* @since 5.1
*/
@Nullable
static SimpleCacheResolver of(@Nullable CacheManager cacheManager) {
return (cacheManager != null ? new SimpleCacheResolver(cacheManager) : null);
}
}