* Copyright 2013-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
* or in the "license" file accompanying this file. 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.
listeneronly listener of type
will be notified.
if (persistableTransfer == null
// Safe to call the listener directly
// Not safe to call the listener directly; so submit an async task.
// This is unfortunate as the listener should never block in the first
// place, but such task submission is necessary to remain backward
// That's right, we need to suppress all errors so as to be on par
// with the async mode where all failures will be ignored.