/**
 * 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.Collections;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

import org.drools.runtime.pipeline.Emitter;
import org.drools.runtime.pipeline.PipelineContext;
import org.drools.runtime.pipeline.Receiver;

public class BaseEmitter extends BaseStage
    implements
    Emitter {
    protected Receiver receiver;

    public BaseEmitter() {
    }

    public void setReceiver(Receiver receiver) {
        this.receiver = receiver;
    }

    public Receiver getReceiver() {
        return this.receiver;
    }

    protected void emit(Object object,
                        PipelineContext context) {
        if ( this.receiver != null ) {
            receiver.receive( object,
                              context );
        }
    }

}