001/**
002 * Copyright 2005-2017 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.ksb.messaging.serviceproxies;
017
018import org.kuali.rice.core.api.config.property.ConfigContext;
019import org.kuali.rice.core.api.exception.RiceRuntimeException;
020import org.kuali.rice.core.api.util.ClassLoaderUtils;
021import org.kuali.rice.core.api.util.ContextClassLoaderProxy;
022import org.kuali.rice.ksb.api.bus.Endpoint;
023import org.kuali.rice.ksb.api.messaging.AsynchronousCallback;
024import org.kuali.rice.ksb.messaging.MessageServiceInvoker;
025import org.kuali.rice.ksb.messaging.PersistedMessageBO;
026import org.kuali.rice.ksb.util.KSBConstants;
027
028import java.io.Serializable;
029import java.lang.reflect.Proxy;
030import java.util.List;
031
032
033/**
034 * Used to Call a service synchronously but through the messaging code within workflow. Used to when switching generally
035 * asynchronously called services to synchronously called services. Generally for testing purposes.
036 * 
037 * @author Kuali Rice Team (rice.collab@kuali.org)
038 * 
039 */
040public class SynchronousServiceCallProxy extends AsynchronousServiceCallProxy {
041
042    private SynchronousServiceCallProxy(List<Endpoint> endpoints, AsynchronousCallback callback,
043            Serializable context, String value1, String value2) {
044        super(endpoints, callback, context, value1, value2);
045    }
046
047    public static Object createInstance(List<Endpoint> endpoints, AsynchronousCallback callback,
048            Serializable context, String value1, String value2) {
049        if (endpoints == null || endpoints.isEmpty()) {
050            throw new RuntimeException("Cannot create service proxy, no service(s) passed in.");
051        }
052        try {
053        return Proxy.newProxyInstance(ClassLoaderUtils.getDefaultClassLoader(), ContextClassLoaderProxy
054                .getInterfacesToProxy(endpoints.get(0).getService()), new SynchronousServiceCallProxy(
055                                endpoints, callback, context, value1, value2));
056        } catch (Exception e) {
057            throw new RiceRuntimeException(e);
058    }
059    }
060
061    @Override
062    protected void executeMessage(PersistedMessageBO message) {
063        if (!Boolean.valueOf(ConfigContext.getCurrentContextConfig().getProperty(KSBConstants.Config.MESSAGING_OFF))) {
064            new MessageServiceInvoker(message).run();
065        }
066    }
067}