if input stream is org.apache.hadoop.fs.seekable , return it 's current position , otherwise return 0 ; concode_field_sep int MIN_BUFFER_SIZE concode_field_sep void checkCodec concode_elem_sep int checkBufferSize concode_elem_sep int getBufferSize concode_elem_sep void freeDB
long function ( InputStream arg0 ) { if ( arg0 instanceof Seekable ) { return ( ( Seekable ) arg0 ) . getPos ( ) ; } return 0 ; }