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ace::model

Ace::Model(3pm) 					User Contributed Perl Documentation					   Ace::Model(3pm)

NAME

       Ace::Model - Get information about AceDB models

SYNOPSIS

	 use Ace;
	 my $db = Ace->connect(-path=>'/usr/local/acedb/elegans');
	 my $model = $db->model('Author');
	 print $model;
	 $name = $model->name;
	 @tags = $model->tags;
	 print "Paper is a valid tag" if $model->valid_tag('Paper');

DESCRIPTION

       This class is provided for access to AceDB class models.  It provides the model in human-readable form, and does some limited but useful
       parsing on your behalf.

       Ace::Model objects are obtained either by calling an Ace database handle's model() method to retrieve the model of a named class, or by
       calling an Ace::Object's model() method to retrieve the object's particular model.

METHODS

   new()
	 $model = Ace::Model->new($model_data);

       This is a constructor intended only for use by Ace and Ace::Object classes.  It constructs a new Ace::Model object from the raw string data
       in models.wrm.

   name()
	 $name = $model->name;

       This returns the class name for the model.

   tags()
	  @tags = $model->tags;

       This returns a list of all the valid tags in the model.

   valid_tag()
	  $boolean  = $model->valid_tag($tag);

       This returns true if the given tag is part of the model.

   path()
	  @path = $model->path($tag)

       Returns the path to the indicated tag, returning a list of intermediate tags.  For example, in the C elegans ?Locus model, the path for
       'Compelementation_data" will return the list ('Type','Gene').

   asString()
	  print $model->asString;

       asString() returns the human-readable representation of the model with comments stripped out.  Internally this method is called to
       automatically convert the model into a string when appropriate.	You need only to start performing string operations on the model object in
       order to convert it into a string automatically:

	  print "Paper is unique" if $model=~/Paper ?Paper UNIQUE/;

SEE ALSO

       Ace

AUTHOR

       Lincoln Stein <lstein@w3.org> with extensive help from Jean Thierry-Mieg <mieg@kaa.crbm.cnrs-mop.fr>

       Copyright (c) 1997-1998, Lincoln D. Stein

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.14.2							    2003-06-01							   Ace::Model(3pm)

UNIX for Dummies Questions & Answers