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/**
 * Copyright (C) 2000-2016 Atomikos 
 *
 * LICENSE CONDITIONS
 *
 * See http://www.atomikos.com/Main/WhichLicenseApplies for details.
 */

package com.atomikos.datasource.pool;

import java.util.ArrayList;
import java.util.List;

import com.atomikos.logging.Logger;
import com.atomikos.logging.LoggerFactory;

 
 /**
  * 
  * 
  * Abstract superclass with generic support for XPooledConnection.
  * 
  *
  */

public abstract class AbstractXPooledConnection implements XPooledConnection {
	private static final Logger LOGGER = LoggerFactory.createLogger(AbstractXPooledConnection.class);

	private long lastTimeAcquired = System.currentTimeMillis();
	private long lastTimeReleased = System.currentTimeMillis();
	private List poolEventListeners = new ArrayList();
	private Reapable currentProxy = null;
	private ConnectionPoolProperties props;
	private long creationTime = System.currentTimeMillis();
	
	protected AbstractXPooledConnection ( ConnectionPoolProperties props ) 
	{
		this.props = props;
	}

	public long getLastTimeAcquired() {
		return lastTimeAcquired;
	}

	public long getLastTimeReleased() {
		return lastTimeReleased;
	}
	
	public synchronized Reapable createConnectionProxy() throws CreateConnectionException
	{
		updateLastTimeAcquired();
		testUnderlyingConnection();
		currentProxy = doCreateConnectionProxy();
		if ( LOGGER.isTraceEnabled() ) LOGGER.logTrace ( this + ": returning proxy " + currentProxy );
		return currentProxy;
	}

	public void reap() {
		
		if ( currentProxy != null ) {
			LOGGER.logWarning ( this + ": reaping connection..." );
			currentProxy.reap();
		}
		updateLastTimeReleased();
	}

	public void registerXPooledConnectionEventListener(XPooledConnectionEventListener listener) {
		if ( LOGGER.isTraceEnabled() ) LOGGER.logTrace ( this + ": registering listener " + listener );
		poolEventListeners.add(listener);
	}

	public void unregisterXPooledConnectionEventListener(XPooledConnectionEventListener listener) {
		if ( LOGGER.isTraceEnabled() ) LOGGER.logTrace ( this + ": unregistering listener " + listener );
		poolEventListeners.remove(listener);
	}

	protected void fireOnXPooledConnectionTerminated() {
		for (int i=0; i