/**
* Copyright 2010 JBoss Inc
*
* 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.drools.grid.command;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.drools.command.Context;
import org.drools.command.impl.GenericCommand;
import org.drools.command.impl.KnowledgeCommandContext;
import org.drools.runtime.KnowledgeRuntime;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.process.WorkItemHandler;
public class RegisterRemoteWorkItemHandlerCommand implements GenericCommand<Object> {
private String handler;
private String workItemName;
public RegisterRemoteWorkItemHandlerCommand() {
}
public RegisterRemoteWorkItemHandlerCommand(String workItemName, String handler) {
this.handler = handler;
this.workItemName = workItemName;
}
public String getHandler() {
return handler;
}
public void setHandler(String handler) {
this.handler = handler;
}
public String getWorkItemName() {
return workItemName;
}
public void setWorkItemName(String workItemName) {
this.workItemName = workItemName;
}
public Object execute(Context context) {
StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();
WorkItemHandler workItemHandler = null;
try {
Class t = Class.forName(handler);
Constructor c = t.getConstructor(KnowledgeRuntime.class);
workItemHandler = (WorkItemHandler) c.newInstance(ksession);
} catch (InstantiationException ex) {
Logger.getLogger(RegisterRemoteWorkItemHandlerCommand.class.getName()).log(Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
Logger.getLogger(RegisterRemoteWorkItemHandlerCommand.class.getName()).log(Level.SEVERE, null, ex);
} catch (IllegalArgumentException ex) {
Logger.getLogger(RegisterRemoteWorkItemHandlerCommand.class.getName()).log(Level.SEVERE, null, ex);
} catch (InvocationTargetException ex) {
Logger.getLogger(RegisterRemoteWorkItemHandlerCommand.class.getName()).log(Level.SEVERE, null, ex);
} catch (NoSuchMethodException ex) {
Logger.getLogger(RegisterRemoteWorkItemHandlerCommand.class.getName()).log(Level.SEVERE, null, ex);
} catch (SecurityException ex) {
Logger.getLogger(RegisterRemoteWorkItemHandlerCommand.class.getName()).log(Level.SEVERE, null, ex);
} catch (ClassNotFoundException ex) {
Logger.getLogger(RegisterRemoteWorkItemHandlerCommand.class.getName()).log(Level.SEVERE, null, ex);
}
ksession.getWorkItemManager().registerWorkItemHandler(workItemName, workItemHandler);
return null;
}
public String toString() {
return "session.getWorkItemManager().registerWorkItemHandler("
+ workItemName + ", " + handler + ");";
}
}