/// <summary>Close the BCFile Writer.</summary>
/// <remarks>
/// Close the BCFile Writer. Attempting to use the Writer after calling
/// <code>close</code> is not allowed and may lead to undetermined results.
/// </remarks>
/// <exception cref="System.IO.IOException"/>
public virtual void Close()
{
if (closed == true)
{
return;
}
try
{
if (errorCount == 0)
{
if (blkInProgress == true)
{
throw new InvalidOperationException("Close() called with active block appender.");
}
// add metaBCFileIndex to metaIndex as the last meta block
BCFile.Writer.BlockAppender appender = PrepareMetaBlock(BCFile.DataIndex.BlockName
, GetDefaultCompressionAlgorithm());
try
{
dataIndex.Write(appender);
}
finally
{
appender.Close();
}
long offsetIndexMeta = @out.GetPos();
metaIndex.Write(@out);
// Meta Index and the trailing section are written out directly.
@out.WriteLong(offsetIndexMeta);
ApiVersion.Write(@out);
BCFile.Magic.Write(@out);
@out.Flush();
}
}
finally
{
closed = true;
}
}
