get the blockid from the name of the meta or block file concode_field_sep long blockId concode_elem_sep long numBytes concode_elem_sep String METADATA_EXTENSION concode_elem_sep String BLOCK_FILE_PREFIX concode_elem_sep Pattern metaOrBlockFilePattern concode_elem_sep Pattern metaFilePattern concode_elem_sep Pattern blockFilePattern concode_elem_sep long generationStamp concode_field_sep File metaToBlockFile concode_elem_sep void set concode_elem_sep String getBlockName concode_elem_sep Writable newInstance concode_elem_sep int compareTo concode_elem_sep void setNumBytes concode_elem_sep long filename2id concode_elem_sep void readFields concode_elem_sep void readHelper concode_elem_sep void writeId concode_elem_sep void setBlockId concode_elem_sep long getGenerationStamp concode_elem_sep long getGenerationStamp concode_elem_sep long getNumBytes concode_elem_sep void readId concode_elem_sep void setGenerationStamp concode_elem_sep int hashCode concode_elem_sep boolean isMetaFilename concode_elem_sep void appendStringTo concode_elem_sep boolean equals concode_elem_sep boolean isBlockFilename concode_elem_sep String toString concode_elem_sep void writeHelper concode_elem_sep boolean matchingIdAndGenStamp concode_elem_sep void write
long function ( String arg0 ) { Matcher loc0 = metaOrBlockFilePattern . matcher ( arg0 ) ; return loc0 . matches ( ) ? Long . parseLong ( loc0 . group ( 1 ) ) : 0 ; }