content: /*
   * 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.github.nalloc.impl;
  
  import java.nio.ByteBuffer;
  
  import sun.nio.ch.DirectBuffer;
  
  import com.github.nalloc.Array;
  
  /**
   * {@link Array} containing fixed-sized structs in a memory mapped buffer.
   *
   * @author Antti Laisi
   */
  @SuppressWarnings("restriction")
  final class MmapArray<T> extends HeapArray<T> {
  
  	final ByteBuffer buffer;
  
  	MmapArray(final ByteBuffer buffer, final long size, final NativeStruct struct) {
  		super(((DirectBuffer) buffer).address(), size, struct);
  		this.buffer = buffer;
  	}
  
  	@Override
  	public void free() {
  		((DirectBuffer) buffer).cleaner().clean();
  	}
  
  	@Override
  	public Array<T> clone() {
  		return new MmapArray<>(buffer, size, struct.clone());
  	}
  }
  