001 /** 002 * Copyright 2005-2013 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 */ 016 package org.kuali.rice.ksb.messaging.serviceproxies; 017 018 import org.kuali.rice.core.api.config.property.ConfigContext; 019 import org.kuali.rice.core.api.exception.RiceRuntimeException; 020 import org.kuali.rice.core.api.util.ClassLoaderUtils; 021 import org.kuali.rice.core.api.util.ContextClassLoaderProxy; 022 import org.kuali.rice.ksb.api.bus.Endpoint; 023 import org.kuali.rice.ksb.api.messaging.AsynchronousCallback; 024 import org.kuali.rice.ksb.messaging.MessageServiceInvoker; 025 import org.kuali.rice.ksb.messaging.PersistedMessageBO; 026 import org.kuali.rice.ksb.util.KSBConstants; 027 028 import java.io.Serializable; 029 import java.lang.reflect.Proxy; 030 import 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 */ 040 public 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 }