Plucene::Index::FieldInfos.3pm

Langue: en

Autres versions - même langue

Version: 2005-09-05 (ubuntu - 07/07/09)

Section: 3 (Bibliothèques de fonctions)

NAME

Plucene::Index::FieldInfos - a collection of FieldInfo objects

SYNOPSIS

         my $fis = Plucene::Index::FieldInfos->new($dir_name);
         my $fis = Plucene::Index::FieldInfos->new($dir_name, $file);
 
         $fis->add(Plucene::Document $doc, $indexed);
         $fis->add(Plucene::Index::FieldInfos $other_fis, $indexed);
         $fis->add($name, $indexed);
 
         $fis->write($path);
 
         my @fields = $fis->fields;
 
         my $field_number = $fis->field_number($name);
         my   $field_info = $fis->field_info($name);
         my   $field_name = $fis->field_name($number);
         my   $num_fields = $fis->size;
 
 

DESCRIPTION

This is a collection of field info objects, which happen to live in the field infos file.

METHODS


new

         my $fis = Plucene::Index::FieldInfos->new($dir_name);
         my $fis = Plucene::Index::FieldInfos->new($dir_name, $file);
 
 

This will create a new Plucene::Index::FieldInfos object with the passed directory and optional filename.

add

         $fis->add(Plucene::Document $doc, $indexed);
         $fis->add(Plucene::Index::FieldInfos $other_fis, $indexed);
         $fis->add($name, $indexed);
 
 

This will add the fields from a Plucene::Document or a Plucene::Index::FieldsInfos to the field infos file.

It is also possible to pass the name of a field and have it added to the file.

field_number

         my $field_number = $fis->field_number($name);
 
 

This will return the field number of the field with $name. If there is no match, then -1 is returned.

fields

         my @fields = $fis->fields;
 
 

This will return all the fields.

field_info

         my $field_info = $fis->field_info($name);
 
 

This will return the field info for the field called $name.

field_name

         my $field_name = $fis->field_name($number);
 
 

This will return the field name for the field whose number is $number.

size

         my $num_fields = $fis->size;
 
 

This returns the number of field info objects.

write

         $fis->write($path);
 
 

This will write the field info objects to $path.