diff options
Diffstat (limited to 'javanano/src/main/java/com/google/protobuf/nano/MapFactories.java')
-rw-r--r-- | javanano/src/main/java/com/google/protobuf/nano/MapFactories.java | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/javanano/src/main/java/com/google/protobuf/nano/MapFactories.java b/javanano/src/main/java/com/google/protobuf/nano/MapFactories.java deleted file mode 100644 index 98fa4877..00000000 --- a/javanano/src/main/java/com/google/protobuf/nano/MapFactories.java +++ /dev/null @@ -1,67 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2013 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package com.google.protobuf.nano; - -import java.util.HashMap; -import java.util.Map; - -/** - * Utility class for maps support. - */ -public final class MapFactories { - public static interface MapFactory { - <K, V> Map<K, V> forMap(Map<K, V> oldMap); - } - - // NOTE(liujisi): The factory setter is temporarily marked as package private. - // The way to provide customized implementations of maps for different - // platforms are still under discussion. Mark it as private to avoid exposing - // the API in proto3 alpha release. - /* public */ static void setMapFactory(MapFactory newMapFactory) { - mapFactory = newMapFactory; - } - - public static MapFactory getMapFactory() { - return mapFactory; - } - - private static class DefaultMapFactory implements MapFactory { - public <K, V> Map<K, V> forMap(Map<K, V> oldMap) { - if (oldMap == null) { - return new HashMap<K, V>(); - } - return oldMap; - } - } - private static volatile MapFactory mapFactory = new DefaultMapFactory(); - - private MapFactories() {} -} |