/**
* 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.runtime.pipeline.impl;
import java.util.Collection;
import java.util.List;
import org.drools.command.Command;
import org.drools.command.CommandFactory;
import org.drools.runtime.ExecutionResults;
import org.drools.runtime.pipeline.KnowledgeRuntimeCommand;
import org.drools.runtime.pipeline.PipelineContext;
public class ExecutorStage<T> extends BaseEmitter
implements
KnowledgeRuntimeCommand {
private T result = null;
public void receive(Object object,
PipelineContext context) {
BasePipelineContext kContext = (BasePipelineContext) context;
this.result = execute(object, kContext);
emit( result,
kContext );
}
public T execute(Object object, PipelineContext kContext){
if ( object instanceof Collection ) {
object = CommandFactory.newBatchExecution( (List<Command>) object );
}
return ( T ) kContext.getCommandExecutor().execute( (Command) object );
}
}