org.springframework.cache.interceptor.CacheOperationSourcePointcut Maven / Gradle / Ivy
/*
* Copyright 2002-2024 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.io.Serializable;
import java.lang.reflect.Method;
import org.springframework.aop.ClassFilter;
import org.springframework.aop.support.StaticMethodMatcherPointcut;
import org.springframework.cache.CacheManager;
import org.springframework.lang.Nullable;
import org.springframework.util.CollectionUtils;
import org.springframework.util.ObjectUtils;
/**
* A {@code Pointcut} that matches if the underlying {@link CacheOperationSource}
* has an operation for a given method.
*
* @author Costin Leau
* @author Juergen Hoeller
* @author Sam Brannen
* @since 3.1
*/
@SuppressWarnings("serial")
final class CacheOperationSourcePointcut extends StaticMethodMatcherPointcut implements Serializable {
@Nullable
private CacheOperationSource cacheOperationSource;
public CacheOperationSourcePointcut() {
setClassFilter(new CacheOperationSourceClassFilter());
}
public void setCacheOperationSource(@Nullable CacheOperationSource cacheOperationSource) {
this.cacheOperationSource = cacheOperationSource;
}
@Override
public boolean matches(Method method, Class targetClass) {
return (this.cacheOperationSource == null ||
!CollectionUtils.isEmpty(this.cacheOperationSource.getCacheOperations(method, targetClass)));
}
@Override
public boolean equals(@Nullable Object other) {
return (this == other || (other instanceof CacheOperationSourcePointcut that &&
ObjectUtils.nullSafeEquals(this.cacheOperationSource, that.cacheOperationSource)));
}
@Override
public int hashCode() {
return CacheOperationSourcePointcut.class.hashCode();
}
@Override
public String toString() {
return getClass().getName() + ": " + this.cacheOperationSource;
}
/**
* {@link ClassFilter} that delegates to {@link CacheOperationSource#isCandidateClass}
* for filtering classes whose methods are not worth searching to begin with.
*/
private final class CacheOperationSourceClassFilter implements ClassFilter {
@Override
public boolean matches(Class clazz) {
if (CacheManager.class.isAssignableFrom(clazz)) {
return false;
}
return (cacheOperationSource == null || cacheOperationSource.isCandidateClass(clazz));
}
@Nullable
private CacheOperationSource getCacheOperationSource() {
return cacheOperationSource;
}
@Override
public boolean equals(@Nullable Object other) {
return (this == other || (other instanceof CacheOperationSourceClassFilter that &&
ObjectUtils.nullSafeEquals(getCacheOperationSource(), that.getCacheOperationSource())));
}
@Override
public int hashCode() {
return CacheOperationSourceClassFilter.class.hashCode();
}
@Override
public String toString() {
return CacheOperationSourceClassFilter.class.getName() + ": " + getCacheOperationSource();
}
}
}