/*
 * Copyright (c) 2010, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.grizzly;

import java.util.concurrent.Future;

Grizzly Future implementation. Users can register additional CompletionHandlers using addCompletionHandler(CompletionHandler) to be notified once the asynchronous computation, represented by this Future, is complete.
A GrizzlyFuture instance can be recycled and reused.
Author:
Alexey Stashok
Type parameters:
<R> – the result type/**
 * Grizzly {@link Future} implementation. Users can register additional {@link CompletionHandler}s using
 * {@link #addCompletionHandler(org.glassfish.grizzly.CompletionHandler)} to be notified once the asynchronous
 * computation, represented by this <tt>Future</tt>, is complete.
 *
 * A <tt>GrizzlyFuture</tt> instance can be recycled and reused.
 *
 * @param <R> the result type
 *
 * @author Alexey Stashok
 */
public interface GrizzlyFuture<R> extends Future<R>, Cacheable {
    
Adds a CompletionHandler, which will be notified once the asynchronous computation, represented by this Future, is complete.
Params:
completionHandler – CompletionHandler
Since:
2.3.4/**
     * Adds a {@link CompletionHandler}, which will be notified once the asynchronous computation, represented by this
     * <tt>Future</tt>, is complete.
     *
     * @param completionHandler {@link CompletionHandler}
     * @since 2.3.4
     */
    void addCompletionHandler(CompletionHandler<R> completionHandler);

    
Mark GrizzlyFuture as recyclable, so once result will come - GrizzlyFuture object will be recycled
and returned to a thread local object pool. You can consider to use this method, if you're not interested in using
this GrizzlyFuture object.
Params:
recycleResult – if true - the GrizzlyFuture result, if it support recyclable mechanism, will
be also recycled together with this GrizzlyFuture object.
Deprecated:
/**
     * Mark <tt>GrizzlyFuture</tt> as recyclable, so once result will come - <tt>GrizzlyFuture</tt> object will be recycled
     * and returned to a thread local object pool. You can consider to use this method, if you're not interested in using
     * this <tt>GrizzlyFuture</tt> object.
     *
     * @param recycleResult if <tt>true</tt> - the <tt>GrizzlyFuture</tt> result, if it support recyclable mechanism, will
     * be also recycled together with this <tt>GrizzlyFuture</tt> object.
     *
     * @deprecated
     */
    @Deprecated
    void markForRecycle(boolean recycleResult);

    
Recycle GrizzlyFuture now. This method could be used, if you're not interested in using this
GrizzlyFuture object, and you're sure this object is not used by any other application part.
Params:
recycleResult – if true - the GrizzlyFuture result, if it support recyclable mechanism, will
be also recycled together with this GrizzlyFuture object./**
     * Recycle <tt>GrizzlyFuture</tt> now. This method could be used, if you're not interested in using this
     * <tt>GrizzlyFuture</tt> object, and you're sure this object is not used by any other application part.
     *
     * @param recycleResult if <tt>true</tt> - the <tt>GrizzlyFuture</tt> result, if it support recyclable mechanism, will
     * be also recycled together with this <tt>GrizzlyFuture</tt> object.
     */
    void recycle(boolean recycleResult);
}