blob: 8e61348a37cb8c8235c4acef4a2ee2f46c332de2 [file] [log] [blame]
/*
* 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.gallery3d.util;
// This is an array whose index ranges from min to max (inclusive).
public class RangeArray<T> {
private T[] mData;
private int mOffset;
public RangeArray(int min, int max) {
mData = (T[]) new Object[max - min + 1];
mOffset = min;
}
// Wraps around an existing array
public RangeArray(T[] src, int min, int max) {
if (max - min + 1 != src.length) {
throw new AssertionError();
}
mData = src;
mOffset = min;
}
public void put(int i, T object) {
mData[i - mOffset] = object;
}
public T get(int i) {
return mData[i - mOffset];
}
public int indexOf(T object) {
for (int i = 0; i < mData.length; i++) {
if (mData[i] == object) return i + mOffset;
}
return Integer.MAX_VALUE;
}
}