//
// Public Methods
//
public long GetHeader(int field)
{
if (isDisposed)
{
throw new ObjectDisposedException("Block");
}
// Validate field number
if (field < 0)
{
throw new IndexOutOfRangeException();
}
if (field >= (storage.BlockHeaderSize / 8))
{
throw new ArgumentException("Invalid field: " + field);
}
// Check from cache, if it is there then return it
if (field < cachedHeaderValue.Length)
{
if (cachedHeaderValue[field] == null)
{
cachedHeaderValue[field] = BufferHelper.ReadBufferInt64(firstSector, field * 8);
}
return((long)cachedHeaderValue[field]);
}
// Otherwise return straight away
else
{
return(BufferHelper.ReadBufferInt64(firstSector, field * 8));
}
}
public long Deserialize(byte[] buffer, int offset, int length)
{
if (length != 8)
{
throw new ArgumentException("Invalid length: " + length);
}
return(BufferHelper.ReadBufferInt64(buffer, offset));
}
