/*
* 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.remote.command;
import org.drools.agent.KnowledgeAgent;
import org.drools.command.Context;
import org.drools.command.impl.GenericCommand;
import org.drools.grid.GridNode;
import org.drools.runtime.Environment;
import org.drools.runtime.KnowledgeSessionConfiguration;
import org.drools.runtime.StatefulKnowledgeSession;
public class NewStatefulKnowledgeSessionFromKAgentRemoteCommand
implements
GenericCommand<StatefulKnowledgeSession> {
private String ksessionConfId;
private Environment environment;
private String kbaseKagentId;
public NewStatefulKnowledgeSessionFromKAgentRemoteCommand(String ksessionConfId) {
this.ksessionConfId = ksessionConfId;
}
public NewStatefulKnowledgeSessionFromKAgentRemoteCommand( String ksessionConfId,
Environment env, String kbaseKagentId ) {
this( ksessionConfId );
this.environment = env;
this.kbaseKagentId = kbaseKagentId;
}
public StatefulKnowledgeSession execute(Context context) {
KnowledgeSessionConfiguration kconf = null;
if ( ksessionConfId != null ) {
kconf = (KnowledgeSessionConfiguration) context.getContextManager().getContext( "__TEMP__" ).get( ksessionConfId );
}
KnowledgeAgent agent = (KnowledgeAgent) context.getContextManager().getContext( "__TEMP__" ).get( kbaseKagentId + "_kAgent" );
if( agent != null ) {
StatefulKnowledgeSession knowledgeSession = agent.getKnowledgeBase().newStatefulKnowledgeSession( kconf, environment );
GridNode gnode = (GridNode) context.get( "grid_node" );
knowledgeSession.setGlobal( "grid", gnode.getGrid() );
return knowledgeSession;
}
return null;
}
}