returns a string representation of the files checksum . since lucene 4.8 this is a crc32 checksum written by lucene . concode_field_sep Version FIRST_LUCENE_CHECKSUM_VERSION concode_elem_sep Version writtenBy concode_elem_sep String name concode_elem_sep long length concode_elem_sep String checksum concode_elem_sep BytesRef hash concode_field_sep void writeTo concode_elem_sep Version writtenBy concode_elem_sep String name concode_elem_sep long length concode_elem_sep boolean isSame concode_elem_sep String toString concode_elem_sep BytesRef hash
String function ( ) { return this . checksum ; }