EnsureOpen() protected method

protected EnsureOpen ( ) : void
return void
		private void  AssertReaderOpen(IndexReader reader)
		{
			reader.EnsureOpen();
			
			if (reader is MultiSegmentReader)
			{
				SegmentReader[] subReaders = ((MultiSegmentReader) reader).GetSubReaders();
				for (int i = 0; i < subReaders.Length; i++)
				{
					AssertReaderOpen(subReaders[i]);
				}
			}
		}