Refactor KeysCache to UniqueKeysCache

Change-Id: I8e3c4705c705a1c6e05e9112211d7012912d7e41

1 files changed, 0 insertions, 50 deletions

diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeysCache.java b/java/src/com/android/inputmethod/keyboard/internal/KeysCache.java
deleted file mode 100644
index 6ad450c29..000000000
--- a/java/src/com/android/inputmethod/keyboard/internal/KeysCache.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (C) 2012 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.inputmethod.keyboard.internal;
-
-import com.android.inputmethod.keyboard.Key;
-
-import java.util.HashMap;
-
-// TODO: Rename more appropriate name.
-public final class KeysCache {
-    private final HashMap<Key, Key> mMap = new HashMap<>();
-
-    public void clear() {
-        mMap.clear();
-    }
-
-    // TODO: Rename more descriptive name.
-    public Key get(final Key key) {
-        final Key existingKey = mMap.get(key);
-        if (existingKey != null) {
-            // Reuse the existing element that equals to "key" without adding "key" to the map.
-            return existingKey;
-        }
-        mMap.put(key, key);
-        return key;
-    }
-
-    // TODO: Rename more descriptive name.
-    public Key replace(final Key oldKey, final Key newKey) {
-        if (oldKey.equals(newKey)) {
-            return oldKey;
-        }
-        mMap.remove(oldKey);
-        return get(newKey);
-    }
-}