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author | Hung-ying Tyan <tyanh@google.com> | 2012-08-21 13:02:43 +0800 |
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committer | Hung-ying Tyan <tyanh@google.com> | 2012-08-21 13:05:22 +0800 |
commit | a84ecfd1f81f7b2989852631d182d6898a2af32d (patch) | |
tree | ad9ede3bc3c334c58e215211ba83c07a5e36c3ee /gallerycommon/src/com/android/gallery3d/util/Future.java | |
parent | 183c6c994311fe4aa75dad1e42b69d83981ceeca (diff) | |
download | android_packages_apps_Snap-a84ecfd1f81f7b2989852631d182d6898a2af32d.tar.gz android_packages_apps_Snap-a84ecfd1f81f7b2989852631d182d6898a2af32d.tar.bz2 android_packages_apps_Snap-a84ecfd1f81f7b2989852631d182d6898a2af32d.zip |
Move ThreadPool to gallerycommon for picasasync and picasastore.
Bug: 7005321
Change-Id: I7ae4bafed141be03bca74772a261c7c2fb3036c4
Diffstat (limited to 'gallerycommon/src/com/android/gallery3d/util/Future.java')
-rw-r--r-- | gallerycommon/src/com/android/gallery3d/util/Future.java | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gallerycommon/src/com/android/gallery3d/util/Future.java b/gallerycommon/src/com/android/gallery3d/util/Future.java new file mode 100644 index 000000000..580a2a120 --- /dev/null +++ b/gallerycommon/src/com/android/gallery3d/util/Future.java @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * 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://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License 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.android.gallery3d.util; + +// This Future differs from the java.util.concurrent.Future in these aspects: +// +// - Once cancel() is called, isCancelled() always returns true. It is a sticky +// flag used to communicate to the implementation. The implmentation may +// ignore that flag. Regardless whether the Future is cancelled, a return +// value will be provided to get(). The implementation may choose to return +// null if it finds the Future is cancelled. +// +// - get() does not throw exceptions. +// +public interface Future<T> { + public void cancel(); + public boolean isCancelled(); + public boolean isDone(); + public T get(); + public void waitDone(); +} |