com.hazelcast.internal.memory.impl.ByteArrayAccessStrategy Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2018, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.internal.memory.impl;
import com.hazelcast.internal.memory.ByteAccessStrategy;
/**
* Implementation of {@link ByteAccessStrategy} for Java byte arrays.
*/
public final class ByteArrayAccessStrategy implements ByteAccessStrategy {
public static final ByteArrayAccessStrategy INSTANCE = new ByteArrayAccessStrategy();
private ByteArrayAccessStrategy() {
}
@Override
public byte getByte(byte[] array, long offset) {
assertFitsInt(offset);
return array[(int) offset];
}
@Override
public void putByte(byte[] array, long offset, byte x) {
assertFitsInt(offset);
array[(int) offset] = x;
}
private static void assertFitsInt(long arg) {
assert arg >= 0 && arg <= Integer.MAX_VALUE : "argument outside of int range: " + arg;
}
}