/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.portal.cluster;
import com.liferay.portal.kernel.cluster.Clusterable;
import com.liferay.portal.kernel.cluster.ClusterableInvokerUtil;
import com.liferay.portal.kernel.cluster.NullClusterable;
import com.liferay.portal.kernel.nio.intraband.rpc.IntrabandRPCUtil;
import com.liferay.portal.kernel.resiliency.spi.SPI;
import com.liferay.portal.kernel.resiliency.spi.SPIUtil;
import com.liferay.portal.spring.aop.AnnotationChainableMethodAdvice;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.concurrent.Future;
import org.aopalliance.intercept.MethodInvocation;
/**
* @author Shuyang Zhou
*/
public class SPIClusterableAdvice
extends AnnotationChainableMethodAdvice<Clusterable> {
@Override
public void afterReturning(MethodInvocation methodInvocation, Object result)
throws Throwable {
Clusterable clusterable = findAnnotation(methodInvocation);
if (clusterable == NullClusterable.NULL_CLUSTERABLE) {
return;
}
SPI spi = SPIUtil.getSPI();
IntrabandRPCUtil.execute(
spi.getRegistrationReference(),
new MethodHandlerProcessCallable<Serializable>(
ClusterableInvokerUtil.createMethodHandler(
clusterable.acceptor(), methodInvocation.getThis(),
methodInvocation.getMethod(),
methodInvocation.getArguments())));
}
@Override
public Object before(MethodInvocation methodInvocation) throws Throwable {
Clusterable clusterable = findAnnotation(methodInvocation);
if (clusterable == NullClusterable.NULL_CLUSTERABLE) {
return null;
}
if (!clusterable.onMaster()) {
return null;
}
SPI spi = SPIUtil.getSPI();
Future<Serializable> futureResult = IntrabandRPCUtil.execute(
spi.getRegistrationReference(),
new MethodHandlerProcessCallable<Serializable>(
ClusterableInvokerUtil.createMethodHandler(
clusterable.acceptor(), methodInvocation.getThis(),
methodInvocation.getMethod(),
methodInvocation.getArguments())));
Object result = futureResult.get();
Method method = methodInvocation.getMethod();
Class<?> returnType = method.getReturnType();
if (returnType == void.class) {
result = nullResult;
}
return result;
}
@Override
public Clusterable getNullAnnotation() {
return NullClusterable.NULL_CLUSTERABLE;
}
}