BaseSchedulerEngineConfigurator.java

/**
 * 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.scheduler;

import com.liferay.portal.kernel.messaging.DestinationNames;
import com.liferay.portal.kernel.messaging.proxy.MessagingProxyInvocationHandler;
import com.liferay.portal.kernel.messaging.sender.SynchronousMessageSender;
import com.liferay.portal.kernel.scheduler.SchedulerEngine;
import com.liferay.portal.kernel.spring.aop.InvocationHandlerFactory;
import com.liferay.portal.kernel.util.HashMapDictionary;
import com.liferay.portal.kernel.util.ProxyUtil;

import java.lang.reflect.InvocationHandler;

import java.util.Dictionary;

import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;

/**
 * @author Tina Tian
 */
public abstract class BaseSchedulerEngineConfigurator {

	protected SchedulerEngine createSchedulerEngineProxy() {
		SchedulerEngineProxyBean schedulerEngineProxyBean =
			new SchedulerEngineProxyBean();

		schedulerEngineProxyBean.setDestinationName(
			DestinationNames.SCHEDULER_ENGINE);
		schedulerEngineProxyBean.setSynchronousDestinationName(
			DestinationNames.SCHEDULER_ENGINE);
		schedulerEngineProxyBean.setSynchronousMessageSenderMode(
			SynchronousMessageSender.Mode.DIRECT);

		schedulerEngineProxyBean.afterPropertiesSet();

		InvocationHandlerFactory invocationHandlerFactory =
			MessagingProxyInvocationHandler.getInvocationHandlerFactory();

		InvocationHandler invocationHandler =
			invocationHandlerFactory.createInvocationHandler(
				schedulerEngineProxyBean);

		Class<?> beanClass = schedulerEngineProxyBean.getClass();

		return (SchedulerEngine)ProxyUtil.newProxyInstance(
			beanClass.getClassLoader(), beanClass.getInterfaces(),
			invocationHandler);
	}

	protected ServiceRegistration<SchedulerEngine> registerSchedulerEngine(
		BundleContext bundleContext, SchedulerEngine schedulerEngine) {

		Dictionary<String, Object> schedulerEngineDictionary =
			new HashMapDictionary<>();

		schedulerEngineDictionary.put("scheduler.engine.proxy", Boolean.TRUE);

		return bundleContext.registerService(
			SchedulerEngine.class, schedulerEngine, schedulerEngineDictionary);
	}

}