com.amazonaws.services.s3.transfer.internal.TransferMonitor Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aws-java-sdk Show documentation

The Amazon Web Services SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

The newest version!

/*
 * Copyright 2011-2014 Amazon Technologies, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *    http://aws.amazon.com/apache2.0
 *
 * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
 * OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and
 * limitations under the License.
 */
package com.amazonaws.services.s3.transfer.internal;

import java.util.concurrent.Future;


/**
 * Monitors long-running transfers.
 */
public interface TransferMonitor {

    /**
     * Returns a Future to wait on. Calling get() on this future will block
     * while the transfer progress is checked, but its return does not guarantee
     * the transfer is complete. Call isDone() to check for completion.  Repeated
     * calls to getFuture() can return different objects.
     */
    public Future getFuture();

    /**
     * Returns whether the transfer is completed. A failure or cancellation
     * counts as completion as well; to gather any exceptions thrown, call
     * getFuture().get()
     */
    public boolean isDone();

}