/* Copyright (c) 2011 Danish Maritime Authority.
 *
 * 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 dk.dma.ais.bus.consumer;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

import net.jcip.annotations.ThreadSafe;
import dk.dma.ais.bus.AisBusConsumer;
import dk.dma.ais.bus.AisBusElement;
import dk.dma.ais.packet.AisPacket;
import java.util.function.Consumer;

/**
 * Consumer that distributes consumed packets from the bus to
 * a set of packet consumers 
 */
@ThreadSafe
public class DistributerConsumer extends AisBusConsumer {
    
    private final List<Consumer<AisPacket>> consumers = new CopyOnWriteArrayList<>();
    
    public DistributerConsumer() {
        this(false);
    }
    
    public DistributerConsumer(boolean blocking) {
        super(blocking);
    }

    @Override
    public void receiveFiltered(AisBusElement queueElement) {
        for (Consumer<AisPacket> consumer : consumers) {
            consumer.accept(queueElement.getPacket());
        }
    }
    
    public List<Consumer<AisPacket>> getConsumers() {
        return consumers;
    }

}