/*
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
*
* 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.switchyard.component.bpm.service;
import java.util.Map;
import javax.xml.namespace.QName;
import org.jbpm.process.workitem.bpmn2.ServiceTaskHandler;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.process.ProcessRuntime;
import org.kie.api.runtime.process.WorkItem;
import org.kie.api.runtime.process.WorkItemManager;
/**
* StandardSwitchYardServiceTaskHandler.
*
* @author David Ward <<a href="mailto:dward@jboss.org">dward@jboss.org</a>> © 2013 Red Hat Inc.
*/
public class StandardSwitchYardServiceTaskHandler extends SwitchYardServiceTaskHandler {
/** Service Task. */
public static final String SERVICE_TASK = "Service Task";
/** implementation. */
public static final String IMPLEMENTATION = "implementation";
/** ##SwitchYard. */
public static final String IMPLEMENTATION_SWITCHYARD = "##SwitchYard";
/** Interface. */
public static final String INTERFACE = "Interface";
/** interfaceImplementationRef. */
public static final String INTERFACE_IMPLEMENTATION_REF = "interfaceImplementationRef";
/** operationImplementationRef. */
public static final String OPERATION_IMPLEMENTATION_REF = "operationImplementationRef";
/**
* Constructs a new StandardSwitchYardServiceTaskHandler with the name "Service Task".
*/
public StandardSwitchYardServiceTaskHandler() {
setName(SERVICE_TASK);
}
/**
* {@inheritDoc}
*/
@Override
public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {
String implementation = getImplementation(workItem.getParameters());
if (IMPLEMENTATION_SWITCHYARD.equalsIgnoreCase(implementation)) {
super.executeWorkItem(workItem, manager);
} else {
ServiceTaskHandler sth;
ProcessRuntime runtime = getProcessRuntime();
if (runtime instanceof KieSession) {
sth = new ServiceTaskHandler((KieSession)runtime);
} else {
sth = new ServiceTaskHandler();
}
sth.setClassLoader(getClass().getClassLoader());
sth.executeWorkItem(workItem, manager);
}
}
private String getImplementation(Map<String, Object> parameters) {
return getString(IMPLEMENTATION, parameters, null);
}
/**
* {@inheritDoc}
*/
@Override
protected QName getServiceName(Map<String, Object> parameters) {
return getQName(INTERFACE, parameters, getQName(INTERFACE_IMPLEMENTATION_REF, parameters, null));
}
/**
* {@inheritDoc}
*/
@Override
protected String getOperationName(Map<String, Object> parameters) {
return getString(OPERATION, parameters, getString(OPERATION_IMPLEMENTATION_REF, parameters, null));
}
}