From d3187f0a816c53da1bfce0c00770c4d44add68cd Mon Sep 17 00:00:00 2001 From: Satoshi Kataoka Date: Thu, 5 Jul 2012 17:03:19 +0900 Subject: Manual copy everything Change-Id: Ia3f8713f4c854ad12c009f64a38040cf3ac69731 --- .../android/inputmethod/latin/BoundedTreeSet.java | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 java/src/com/android/inputmethod/latin/BoundedTreeSet.java (limited to 'java/src/com/android/inputmethod/latin/BoundedTreeSet.java') diff --git a/java/src/com/android/inputmethod/latin/BoundedTreeSet.java b/java/src/com/android/inputmethod/latin/BoundedTreeSet.java new file mode 100644 index 000000000..cf977617d --- /dev/null +++ b/java/src/com/android/inputmethod/latin/BoundedTreeSet.java @@ -0,0 +1,49 @@ +/* + * 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.latin; + +import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo; + +import java.util.Collection; +import java.util.Comparator; +import java.util.TreeSet; + +/** + * A TreeSet that is bounded in size and throws everything that's smaller than its limit + */ +public class BoundedTreeSet extends TreeSet { + private final int mCapacity; + public BoundedTreeSet(final Comparator comparator, final int capacity) { + super(comparator); + mCapacity = capacity; + } + + @Override + public boolean add(final SuggestedWordInfo e) { + if (size() < mCapacity) return super.add(e); + if (comparator().compare(e, last()) > 0) return false; + super.add(e); + pollLast(); // removes the last element + return true; + } + + @Override + public boolean addAll(final Collection e) { + if (null == e) return false; + return super.addAll(e); + } +} -- cgit v1.2.3-83-g751a