/*
* 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.rule;
import org.drools.command.Context;
import org.drools.command.impl.GenericCommand;
import org.drools.command.impl.KnowledgeCommandContext;
import org.drools.common.InternalFactHandle;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.rule.FactHandle;
import org.drools.runtime.rule.WorkingMemoryEntryPoint;
public class GetFactHandleInEntryPointCommand
implements
GenericCommand<FactHandle> {
private Object object;
private boolean disconnected;
private String entryPoint;
public GetFactHandleInEntryPointCommand(Object object, String entryPoint) {
this(object, entryPoint, false);
}
public GetFactHandleInEntryPointCommand(Object object, String entryPoint, boolean disconnected) {
this.object = object;
this.entryPoint = entryPoint;
this.disconnected = disconnected;
}
public FactHandle execute(Context context) {
StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();
WorkingMemoryEntryPoint ep = ksession.getWorkingMemoryEntryPoint(entryPoint);
InternalFactHandle factHandle = (InternalFactHandle) ep.getFactHandle( object );
if ( factHandle != null ){
InternalFactHandle handle = factHandle.clone();
if ( disconnected ) {
handle.disconnect();
}
return handle;
}
return null;
}
public String toString() {
return "ksession.getWorkingMemoryEntryPoint(" + entryPoint + ").getFactHandle( " + object + " );";
}
}