generates 64 bit hash from a substring . concode_field_sep String ENCODING concode_field_sep int hash32 concode_elem_sep int hash32 concode_elem_sep int hash32 concode_elem_sep int hash32
long function ( final String arg0 , int arg1 , int arg2 ) { return hash64 ( arg0 . substring ( arg1 , arg1 + arg2 ) ) ; }