/*
* 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.command.runtime;
import org.drools.command.impl.GenericCommand;
import org.drools.command.impl.KnowledgeCommandContext;
import org.kie.command.Context;
import org.kie.event.process.ProcessEventListener;
import org.kie.event.rule.AgendaEventListener;
import org.kie.event.rule.WorkingMemoryEventListener;
import org.kie.runtime.KieSession;
public class AddEventListenerCommand
implements
GenericCommand<Object> {
private WorkingMemoryEventListener workingMemoryEventlistener = null;
private AgendaEventListener agendaEventlistener = null;
private ProcessEventListener processEventListener = null;
public AddEventListenerCommand(WorkingMemoryEventListener listener) {
this.workingMemoryEventlistener = listener;
}
public AddEventListenerCommand(AgendaEventListener listener) {
this.agendaEventlistener = listener;
}
public AddEventListenerCommand(ProcessEventListener listener) {
this.processEventListener = listener;
}
public Void execute(Context context) {
KieSession ksession = ((KnowledgeCommandContext) context).getKieSession();
if ( workingMemoryEventlistener != null ) {
ksession.addEventListener( workingMemoryEventlistener );
} else if ( agendaEventlistener != null ) {
ksession.addEventListener( agendaEventlistener );
} else {
ksession.addEventListener( processEventListener );
}
return null;
}
public String toString() {
if ( workingMemoryEventlistener != null ) {
return "session.addEventListener( " + workingMemoryEventlistener + " );";
} else if ( agendaEventlistener != null ) {
return "session.addEventListener( " + agendaEventlistener + " );";
} else if ( processEventListener != null ) {
return "session.addEventListener( " + processEventListener + " );";
}
return "AddEventListenerCommand";
}
}