/**
* 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 org.apache.blur.store.blockcache_v2.cachevalue;
public class UnsafeAllocateCacheValue extends UnsafeCacheValue {
private final long _address;
public UnsafeAllocateCacheValue(int length) {
super(length);
_address = _unsafe.allocateMemory(_length);
}
@Override
protected void writeInternal(int position, byte[] buf, int offset, int length) {
copyFromArray(buf, offset, length, resolveAddress(_address, position));
}
@Override
protected void readInternal(int position, byte[] buf, int offset, int length) {
copyToArray(resolveAddress(_address, position), buf, offset, length);
}
@Override
protected byte readInternal(int position) {
return _unsafe.getByte(resolveAddress(_address, position));
}
@Override
protected void releaseInternal() {
_unsafe.freeMemory(_address);
}
}