import org.jboss.netty.channel.ChannelEvent;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.util.EstimatableObjectWrapper;

public class DownStreamChannelEventRunnable implements Runnable,
		EstimatableObjectWrapper {

	private final ChannelHandlerContext ctx;
	private final ChannelEvent e;

	/**
	 * Creates a {@link Runnable} which sends the specified {@link ChannelEvent}
	 * downstream via the specified {@link ChannelHandlerContext}.
	 */
	public DownStreamChannelEventRunnable(ChannelHandlerContext ctx,
			ChannelEvent e) {
		this.ctx = ctx;
		this.e = e;
	}

	/**
	 * Returns the {@link ChannelHandlerContext} which will be used to send the
	 * {@link ChannelEvent} downstream.
	 */
	public ChannelHandlerContext getContext() {
		return ctx;
	}

	/**
	 * Returns the {@link ChannelEvent} which will be sent downstream.
	 */
	public ChannelEvent getEvent() {
		return e;
	}

	/**
	 * Sends the event downstream.
	 */
	public void run() {
		ctx.sendDownstream(e);
	}

	public Object unwrap() {
		return e;
	}
}