package com.avaje.ebeaninternal.server.query;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.FutureTask;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
 * A base object for query Future objects.
 * 
 * @author rbygrave
 *
 * @param <T> the entity bean type
 */
public abstract class BaseFuture<T> implements Future<T> {
	
	protected final FutureTask<T> futureTask;
	
	public BaseFuture(FutureTask<T> futureTask) {
		this.futureTask = futureTask;
	}
	
	public boolean cancel(boolean mayInterruptIfRunning) {
		return futureTask.cancel(mayInterruptIfRunning);
	}

	public T get() throws InterruptedException, ExecutionException {
		return futureTask.get();
	}

	public T get(long timeout, TimeUnit unit)
			throws InterruptedException, ExecutionException, TimeoutException {
		
		return futureTask.get(timeout, unit);
	}

	public boolean isCancelled() {
		return futureTask.isCancelled();
	}

	public boolean isDone() {
		return futureTask.isDone();
	}

}