| /* |
| * Copyright (C) 2017 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.car.vehiclehal; |
| |
| import android.util.SparseArray; |
| import java.util.Iterator; |
| |
| class Utils { |
| private Utils() {} |
| |
| static class SparseArrayIterator<T> |
| implements Iterable<SparseArrayIterator.SparseArrayEntry<T>>, |
| Iterator<SparseArrayIterator.SparseArrayEntry<T>> { |
| static class SparseArrayEntry<U> { |
| public final int key; |
| public final U value; |
| |
| SparseArrayEntry(SparseArray<U> array, int index) { |
| key = array.keyAt(index); |
| value = array.valueAt(index); |
| } |
| } |
| |
| private final SparseArray<T> mArray; |
| private int mIndex = 0; |
| |
| SparseArrayIterator(SparseArray<T> array) { |
| mArray = array; |
| } |
| |
| @Override |
| public Iterator<SparseArrayEntry<T>> iterator() { |
| return this; |
| } |
| |
| @Override |
| public boolean hasNext() { |
| return mIndex < mArray.size(); |
| } |
| |
| @Override |
| public SparseArrayEntry<T> next() { |
| return new SparseArrayEntry<>(mArray, mIndex++); |
| } |
| } |
| } |