Workflow::Context.3pm

Langue: en

Version: 2009-03-02 (fedora - 05/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

Workflow::Context - Data blackboard for Workflows, Actions, Conditions and Validators

VERSION

This documentation describes version 1.05 of this package

SYNOPSIS

  # Create your own context and merge it with one that may already be
  # in a workflow
  
  my $context = Workflow::Context->new();
  $context->param( foo => 'bar' );
  $context->param( current_user => User->fetch( 'foo@bar.com' ) );
  $wf->context( $context );
  
  # In a Condition get the 'current_user' back out of the workflow's context
  
  sub evaluate {
      my ( $self, $wf ) = @_;
      my $current_user = $wf->context->param( 'current_user' );
      ...
  }
  
  # Set values directly into a workflow's context
  
  $wf->context->param( foo => 'bar' );
  $wf->context->param( news => My::News->fetch_where( 'date = ?', DateTime->now ) );

DESCRIPTION

Holds information to pass between your application and a Workflow, including its Actions, Conditions and Validators.

OBJECT METHODS

merge( $other_context )

Merges the values from $other_context into this object. If there are duplicate keys in this object and $other_context, $other_context wins.

SEE ALSO

Workflow Copyright (c) 2003-2006 Chris Winters. All rights reserved.

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

AUTHORS

Jonas B. Nielsen (jonasbn) <jonasbn@cpan.org>, current maintainer.

Chris Winters <chris@cwinters.com>, original author.