/// <summary>
/// Initializes a new instance of the <see cref="PageBuffer"/> class.
/// </summary>
/// <param name="options">The options.</param>
public PageBuffer(PageBufferOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (options.BufferType == PageBufferType.File)
{
tempFile = System.IO.Path.GetTempFileName();
stream = new FileStream(
System.IO.Path.GetTempFileName(),
FileMode.Create,
FileAccess.ReadWrite,
FileShare.None,
4096,
FileOptions.DeleteOnClose);
if (options.EnableDoubleBuffer)
{
stream = new BufferedStream(stream);
}
}
else
{
tempFile = string.Empty;
stream = new MemoryStream();
stream.SetLength(options.Capacity);
}
buddyAllocactor = new BuddyAllocator(stream, options.Capacity, options.MinimalCapacity);
}
public Page(BuddyAllocator allocator, Block block)
{
this.block = block ?? throw new ArgumentNullException(nameof(block));
this.allocator = allocator ?? throw new ArgumentNullException(nameof(allocator));
}