org.springframework.cache.jcache.interceptor.JCacheInterceptor 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
*
* 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.springframework.cache.jcache.interceptor;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.function.Supplier;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.cache.interceptor.CacheErrorHandler;
import org.springframework.cache.interceptor.CacheOperationInvoker;
import org.springframework.cache.interceptor.SimpleCacheErrorHandler;
import org.springframework.lang.Nullable;
import org.springframework.util.function.SingletonSupplier;
/**
* AOP Alliance MethodInterceptor for declarative cache
* management using JSR-107 caching annotations.
*
* Derives from the {@link JCacheAspectSupport} class which
* contains the integration with Spring's underlying caching API.
* JCacheInterceptor simply calls the relevant superclass method.
*
*
JCacheInterceptors are thread-safe.
*
* @author Stephane Nicoll
* @author Juergen Hoeller
* @since 4.1
* @see org.springframework.cache.interceptor.CacheInterceptor
*/
@SuppressWarnings("serial")
public class JCacheInterceptor extends JCacheAspectSupport implements MethodInterceptor, Serializable {
/**
* Construct a new {@code JCacheInterceptor} with the default error handler.
*/
public JCacheInterceptor() {
}
/**
* Construct a new {@code JCacheInterceptor} with the given error handler.
* @param errorHandler a supplier for the error handler to use,
* applying the default error handler if the supplier is not resolvable
* @since 5.1
*/
public JCacheInterceptor(@Nullable Supplier errorHandler) {
this.errorHandler = new SingletonSupplier<>(errorHandler, SimpleCacheErrorHandler::new);
}
@Override
@Nullable
public Object invoke(final MethodInvocation invocation) throws Throwable {
Method method = invocation.getMethod();
CacheOperationInvoker aopAllianceInvoker = () -> {
try {
return invocation.proceed();
}
catch (Throwable ex) {
throw new CacheOperationInvoker.ThrowableWrapper(ex);
}
};
try {
return execute(aopAllianceInvoker, invocation.getThis(), method, invocation.getArguments());
}
catch (CacheOperationInvoker.ThrowableWrapper th) {
throw th.getOriginal();
}
}
}