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ByteArrayChunk.cs
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ByteArrayChunk.cs
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/* Copyright 2013-present MongoDB Inc.
*
* 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.
*/
using System;
namespace MongoDB.Bson.IO
{
/// <summary>
/// Represents a chunk backed by a byte array.
/// </summary>
public class ByteArrayChunk : IBsonChunk
{
#region static
private static byte[] CreateByteArray(int size)
{
if (size < 0)
{
throw new ArgumentOutOfRangeException("size");
}
return new byte[size];
}
#endregion
// fields
private byte[] _bytes;
private bool _disposed;
// constructors
/// <summary>
/// Initializes a new instance of the <see cref="ByteArrayChunk"/> class.
/// </summary>
/// <param name="size">The size.</param>
public ByteArrayChunk(int size)
: this(CreateByteArray(size))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ByteArrayChunk"/> class.
/// </summary>
/// <param name="bytes">The bytes.</param>
/// <exception cref="System.ArgumentNullException">bytes</exception>
public ByteArrayChunk(byte[] bytes)
{
if (bytes == null)
{
throw new ArgumentNullException("bytes");
}
_bytes = bytes;
}
// properties
/// <inheritdoc/>
public ArraySegment<byte> Bytes
{
get
{
ThrowIfDisposed();
return new ArraySegment<byte>(_bytes);
}
}
// methods
/// <inheritdoc/>
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
/// <inheritdoc/>
public IBsonChunk Fork()
{
ThrowIfDisposed();
return new ByteArrayChunk(_bytes);
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources.
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
_bytes = null;
}
_disposed = true;
}
private void ThrowIfDisposed()
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().Name);
}
}
}
}