com.orientechnologies.common.directmemory.OUnsafeMemoryJava7 Maven / Gradle / Ivy
/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
* *
* * 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.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.common.directmemory;
/**
* @author logart (logart2007-at-gmail.com)
* @since 15.04.2013
*/
public class OUnsafeMemoryJava7 extends OUnsafeMemory {
@Override
public byte[] get(long pointer, final int length) {
final byte[] result = new byte[length];
unsafe.copyMemory(null, pointer, result, unsafe.arrayBaseOffset(byte[].class), length);
return result;
}
@Override
public void get(long pointer, byte[] array, int arrayOffset, int length) {
pointer += arrayOffset;
unsafe.copyMemory(null, pointer, array, arrayOffset + unsafe.arrayBaseOffset(byte[].class), length);
}
@Override
public void set(long pointer, byte[] content, int arrayOffset, int length) {
unsafe.copyMemory(content, unsafe.arrayBaseOffset(byte[].class) + arrayOffset, null, pointer, length);
}
}