Chris Mungall > Data-Stag-0.11 > Data::Stag::StagDB

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Module Version: 0.11   Source   Latest Release: Data-Stag-0.14

NAME ^

  Data::Stag::StagDB - persistent storage and retrieval of stag nodes

SYNOPSIS ^

  # parsing a file into a file based index
  my $sdb = Data::Stag::StagDB->new;
  $sdb->unique_key("ss_details/social_security_no");
  $sdb->record_type("person");
  $sdb->indexfile("./person_by_ss-idx");
  Data::Stag->parse(-file=>$fn, -handler=>$sdb);
  my $obj = $sdb->index_hash;
  my $person = $obj->{'999-9999-9999'};
  print $person->xml;

  # indexing an existing stag tree into a file based index
  my $personset = Data::Stag->parse($fn);
  my $sdb = Data::Stag::StagDB->new;
  $sdb->unique_key("ss_details/social_security_no");
  $sdb->record_type("person");
  $sdb->indexfile("./person_by_ss-idx");
  $personset->sax($sdb);
  my $obj = $sdb->index_hash;
  my $person = $obj->{'999-9999-9999'};
  print $person->xml;

DESCRIPTION ^

This module is an extension of Data::Stag::HashDB - you can use it in the same way.

It creates a simple file based database of stag nodes

This is useful if you want your data to persist; or if you want to use Data::Stag::HashDB but your data will not fit into memory

PUBLIC METHODS - ^

indexfile

  Usage   -
  Returns -
  Args    -
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