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package com.diozero.util;

/*
 * #%L
 * Organisation: diozero
 * Project:      diozero - Core
 * Filename:     MmapByteBuffer.java
 * 
 * This file is part of the diozero project. More information about this project
 * can be found at https://www.diozero.com/.
 * %%
 * Copyright (C) 2016 - 2021 diozero
 * %%
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * #L%
 */

import java.nio.ByteBuffer;

public class MmapByteBuffer implements AutoCloseable {
	private long address;
	private int length;
	private ByteBuffer buffer;

	public MmapByteBuffer(long address, int length, ByteBuffer buffer) {
		this.address = address;
		this.length = length;
		this.buffer = buffer;
	}

	@Override
	public void close() {
		if (buffer != null) {
			MmapBufferNative.closeMmapBuffer(address, length);
			buffer = null;
		}
	}

	public long getAddress() {
		return address;
	}

	public int getLength() {
		return length;
	}

	public ByteBuffer getBuffer() {
		return buffer;
	}
}




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