/// <summary>
/// Writes the specified index.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="value">The value.</param>
public void Write(long index, string value)
{
using (var accessor = MapFile.CreateViewAccessor(index * MaxBlockSize, MaxBlockSize))
{
accessor.WriteArray(0, Encoding.ASCII.GetBytes(value), 0, value.Length);
}
}
/// <summary>
/// Reads the specified position.
/// </summary>
/// <param name="position">The position.</param>
/// <param name="length">The length.</param>
/// <returns>System.String.</returns>
public string Read(long position, long length)
{
var data = new byte[length];
using (var accessor = MapFile.CreateViewAccessor(position * MaxBlockSize, length))
{
accessor.ReadArray(0, data, 0, data.Length);
}
return(Encoding.ASCII.GetString(data));
}
/// <summary>
/// Writes the specified value.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>System.Int64.</returns>
public long Write(string value)
{
lock (_writeLock)
{
if (BlocksFree <= 0)
{
return(-1);
}
var freeBlock = FreeBlocks.First();
using (var accessor = MapFile.CreateViewAccessor(freeBlock * MaxBlockSize, MaxBlockSize))
{
accessor.WriteArray(0, Encoding.ASCII.GetBytes(value), 0, value.Length);
}
FreeBlocks = FreeBlocks.Where(block => !block.Equals(freeBlock)).ToList();
BlocksFree--;
Save();
return(freeBlock);
}
}