io.atomix.catalyst.buffer.NativeBuffer Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of catalyst-buffer Show documentation

There is a newer version: 1.2.1

/*
 * Copyright 2015 the original author or authors.
 *
 * 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 io.atomix.catalyst.buffer;

import io.atomix.catalyst.util.reference.ReferenceManager;
import io.atomix.catalyst.buffer.util.NativeMemory;

/**
 * Native byte buffer implementation.
 *
 * @author Jordan Halterman
 */
public abstract class NativeBuffer extends AbstractBuffer {

  protected NativeBuffer(NativeBytes bytes, ReferenceManager referenceManager) {
    super(bytes, referenceManager);
  }

  protected NativeBuffer(NativeBytes bytes, long offset, long initialCapacity, long maxCapacity) {
    super(bytes, offset, initialCapacity, maxCapacity, null);
  }

  @Override
  protected void compact(long from, long to, long length) {
    NativeMemory memory = ((NativeBytes) bytes).memory;
    memory.unsafe().copyMemory(memory.address(from), memory.address(to), length);
    memory.unsafe().setMemory(memory.address(from), length, (byte) 0);
  }

}