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package gu.simplemq;

import java.lang.reflect.Type;
import java.util.concurrent.BlockingDeque;
import java.util.concurrent.BlockingQueue;

/**
 * 基于阻塞队列 {@link BlockingQueue} 实现生产者模型

 * @author guyadong
 *
 * @param 
 */
public class Producer extends IProducerSingle.AbstractHandler implements IQueueComponent{
	protected BlockingQueue queue;
	
	public static final ProducermakeInstance(Type type,BlockingQueue queue){
		return new Producer(type, queue){};
	}

	protected Producer(Classclazz) {
		super(clazz);
	}
	
	protected Producer(Type type) {
		super(type);
	}
	
	protected Producer(Class clazz, BlockingQueue queue) {
		this((Type)clazz,queue);
	}
	
	protected Producer(Type type, BlockingQueue queue) {
		super(type);
		this.queue = queue;
	}
	
	@Override
	public boolean produce(T t,boolean offerLast){
		if(! offerLast ){
			if(queue instanceof BlockingDeque){
				return ((BlockingDeque)queue).offerFirst(t);
			}else{
				throw new UnsupportedOperationException(" queue must be instance of  BlockingDeque");
			}
		}else{
			return queue.offer(t);
		}
	}
	
	@Override
	public boolean produce(T t){
		if(this.offerLast){
			return queue.offer(t);
		}else{
			return produce(t,offerLast);
		}
	}

	@Override
	public BlockingQueue getQueue() {
		return queue;
	}

	public Producer setQueue(BlockingQueue queue) {
		this.queue = queue;
		return this;
	}

	@Override
	public String getQueueName() {
		return "unknow";
	}
}