1 files changed, 0 insertions, 78 deletions
diff --git a/src/com/android/gallery3d/util/IdentityCache.java b/src/com/android/gallery3d/util/IdentityCache.java
deleted file mode 100644
index 3edc424a3..000000000
--- a/src/com/android/gallery3d/util/IdentityCache.java
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * 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;
-
-import java.lang.ref.ReferenceQueue;
-import java.lang.ref.WeakReference;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Set;
-
-public class IdentityCache<K, V> {
-
-    private final HashMap<K, Entry<K, V>> mWeakMap =
-            new HashMap<K, Entry<K, V>>();
-    private ReferenceQueue<V> mQueue = new ReferenceQueue<V>();
-
-    public IdentityCache() {
-    }
-
-    private static class Entry<K, V> extends WeakReference<V> {
-        K mKey;
-
-        public Entry(K key, V value, ReferenceQueue<V> queue) {
-            super(value, queue);
-            mKey = key;
-        }
-    }
-
-    private void cleanUpWeakMap() {
-        Entry<K, V> entry = (Entry<K, V>) mQueue.poll();
-        while (entry != null) {
-            mWeakMap.remove(entry.mKey);
-            entry = (Entry<K, V>) mQueue.poll();
-        }
-    }
-
-    public synchronized V put(K key, V value) {
-        cleanUpWeakMap();
-        Entry<K, V> entry = mWeakMap.put(
-                key, new Entry<K, V>(key, value, mQueue));
-        return entry == null ? null : entry.get();
-    }
-
-    public synchronized V get(K key) {
-        cleanUpWeakMap();
-        Entry<K, V> entry = mWeakMap.get(key);
-        return entry == null ? null : entry.get();
-    }
-
-    // This is currently unused.
-    /*
-    public synchronized void clear() {
-        mWeakMap.clear();
-        mQueue = new ReferenceQueue<V>();
-    }
-    */
-
-    // This is for debugging only
-    public synchronized ArrayList<K> keys() {
-        Set<K> set = mWeakMap.keySet();
-        ArrayList<K> result = new ArrayList<K>(set);
-        return result;
-    }
-}