nrdata-damon/src/org/leolo/rail/BaseProcessingThread.java

package org.leolo.rail;

import java.io.IOException;

import org.apache.activemq.transport.stomp.StompConnection;

public abstract class BaseProcessingThread extends Thread implements AutoCloseable{
	
	private boolean isInit = false;
	protected StompConnection connection;
	private String configPrefix;
	
	public BaseProcessingThread(String configPrefix) throws Exception {
		this.configPrefix = configPrefix;
		this.connection = getConnection();
	}
	
	protected abstract void _init();
	
	@Override
	public abstract void run();
	
	public void init() {
		_init();
		isInit = true;
	}
	
	private StompConnection getConnection() throws Exception {
		StompConnection conn = new StompConnection();
		conn.open(
				ConfigurationManager.getInstance().getProperty(configPrefix+".host"),
				ConfigurationManager.getInstance().getInt(configPrefix+".port")
		);
		conn.connect(
				ConfigurationManager.getInstance().getProperty(configPrefix+".user"),
				ConfigurationManager.getInstance().getProperty(configPrefix+".pwd")
		);
		return conn;
	}
	
	@Override
	public synchronized void start() {
		if(isInit) {
			super.start();
		}else {
			throw new RuntimeException("Thread not init yet");
		}
	}
	
	@Override
	public void close() throws IOException {
		connection.close();
		connection = null;
	}
	
	
}