1Workflow::Persister::FiUlsee(r3)Contributed Perl DocumenWtoartkifolnow::Persister::File(3)
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NAME

6       Workflow::Persister::File - Persist workflow and history to the
7       filesystem
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VERSION

10       This documentation describes version 1.10 of this package
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SYNOPSIS

13        <persister name="MainPersister"
14                   class="Workflow::Persister::File"
15                   path="/home/workflow/storage"/>
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DESCRIPTION

18       Main persistence class for storing the workflow and workflow history
19       records to a filesystem for later retrieval. Data are stored in
20       serialized Perl data structure files.
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22   METHODS
23       constitute_object
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25       This method deserializes an object.
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27       Takes a single parameter of an filesystem path pointing to an object
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29       Returns the re-instantiated object or dies.
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31       create_history
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33       Serializes history records associated with a workflow object
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35       Takes two parameters: a workflow object and an array of workflow
36       history objects
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38       Returns: provided array of workflow history objects upon success
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40       create_workflow
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42       Serializes a workflow into the persistance entity configured by our
43       workflow.
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45       Takes a single parameter: a workflow object
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47       Returns a single value, a id for unique identification of out
48       serialized workflow for possible deserialization.
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50       fetch_history
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52       Deserializes history records associated with a workflow object
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54       Takes a single parameter: a workflow object
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56       Returns an array of workflow history objects upon success
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58       fetch_workflow
59
60       Deserializes a workflow from the persistance entity configured by our
61       workflow.
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63       Takes a single parameter: the unique id assigned to our workflow upon
64       serialization (see "create_workflow").
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66       Returns a hashref consisting of two keys:
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68       ·   state, the workflows current state
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70       ·   last_update, date indicating last update
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72       init ( \%params )
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74       Method to initialize the persister object. Sets up the configured
75       generators
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77       Throws a Workflow::Exception if a valid filesystem path is not provided
78       with the parameters.
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80       serialize_object
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82       Method that writes a given object to a given path.
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84       Takes two parameters: path (a filesystem path) and an object
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86       Throws Workflow::Exception if unable to serialize the given object to
87       the given path.
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89       Returns: Nothing
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91       update_workflow
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93       Updates a serialized workflow in the persistance entity configured by
94       our workflow.
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96       Takes a single parameter: a workflow object
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98       Returns: Nothing
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TODO

101       ·   refactor "constitute_object", no checks are made on filesystem
102           prior to deserialization attempt.
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SEE ALSO

105       Workflow::Persister
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108       Copyright (c) 2003-2007 Chris Winters. All rights reserved.
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110       This library is free software; you can redistribute it and/or modify it
111       under the same terms as Perl itself.
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AUTHORS

114       Jonas B. Nielsen (jonasbn) <jonasbn@cpan.org> is the current
115       maintainer.
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117       Chris Winters <chris@cwinters.com>, original author.
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121perl v5.12.0                      2010-05-07      Workflow::Persister::File(3)
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