/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 hivemall.utils.collections;
import javax.annotation.Nonnull;
public final class FixedIntArray implements IntArray {
private static final long serialVersionUID = -1450212841013810240L;
@Nonnull
private final int[] array;
private final int size;
public FixedIntArray(@Nonnull int size) {
this.array = new int[size];
this.size = size;
}
public FixedIntArray(@Nonnull int[] array) {
this.array = array;
this.size = array.length;
}
@Override
public int get(int index) {
return array[index];
}
@Override
public int get(int index, int valueIfKeyNotFound) {
if (index >= size) {
return valueIfKeyNotFound;
}
return array[index];
}
@Override
public void put(int index, int value) {
array[index] = value;
}
@Override
public int size() {
return array.length;
}
@Override
public int keyAt(int index) {
return index;
}
}