1 files changed, 0 insertions, 70 deletions
diff --git a/java/src/com/android/inputmethod/latin/StringBuilderPool.java b/java/src/com/android/inputmethod/latin/StringBuilderPool.java
deleted file mode 100644
index a663ed43e..000000000
--- a/java/src/com/android/inputmethod/latin/StringBuilderPool.java
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2011 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.latin;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
-/**
- * A pool of string builders to be used from anywhere.
- */
-public class StringBuilderPool {
-    // Singleton
-    private static final StringBuilderPool sInstance = new StringBuilderPool();
-    private static final boolean DEBUG = false;
-    private StringBuilderPool() {}
-    // TODO: Make this a normal array with a size of 20, or a ConcurrentQueue
-    private final List<StringBuilder> mPool =
-            Collections.synchronizedList(new ArrayList<StringBuilder>());
-
-    public static StringBuilder getStringBuilder(final int initialSize) {
-        // TODO: although the pool is synchronized, the following is not thread-safe.
-        // Two threads entering this at the same time could take the same size of the pool and the
-        // second to attempt removing this index from the pool would crash with an
-        // IndexOutOfBoundsException.
-        // At the moment this pool is only used in Suggest.java and only in one thread so it's
-        // okay. The simplest thing to do here is probably to replace the ArrayList with a
-        // ConcurrentQueue.
-        final int poolSize = sInstance.mPool.size();
-        final StringBuilder sb = poolSize > 0 ? (StringBuilder) sInstance.mPool.remove(poolSize - 1)
-                : new StringBuilder(initialSize);
-        sb.setLength(0);
-        return sb;
-    }
-
-    public static void recycle(final StringBuilder garbage) {
-        if (DEBUG) {
-            final int gid = garbage.hashCode();
-            for (final StringBuilder q : sInstance.mPool) {
-                if (gid == q.hashCode()) throw new RuntimeException("Duplicate id " + gid);
-            }
-        }
-        sInstance.mPool.add(garbage);
-    }
-
-    public static void ensureCapacity(final int capacity, final int initialSize) {
-        for (int i = sInstance.mPool.size(); i < capacity; ++i) {
-            final StringBuilder sb = new StringBuilder(initialSize);
-            sInstance.mPool.add(sb);
-        }
-    }
-
-    public static int getSize() {
-        return sInstance.mPool.size();
-    }
-}