Workflow: ezcWorkflowVisitorVerification
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[ Theoretical background ]
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Class: ezcWorkflowVisitorVerification
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An implementation of the ezcWorkflowVisitor interface that verifies a workflow specification. [
source]
Implemented Interfaces
This visitor should not be used directly but will be used by the verify() method on the workflow.
1. <?php
2. $workflow->verify();
3. ?>
The verifier checks that:
- there is only one start node
- each node satisfies the constraints of the respective node type
Member Variables
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protected integer |
$numFinallyNodes
= 0
Holds the number of finally nodes encountered during visiting. |
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protected integer |
$numStartNodes
= 0
Holds the number of start nodes encountered during visiting. |
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protected array |
$visited
= array()
Holds the id of each node that has been visited already. |
Method Summary
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public boolean |
visit(
$visitable )
Visits the node, checks contraints and calls verify on each node. |
Methods
visit
Visits the node, checks contraints and calls verify on each node.
Returns true if the node was verified. False if it was already verified.
Parameters
Throws
| Class | Description |
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ezcWorkflowInvalidWorkflowException |
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Last updated: Wed, 18 Jun 2008
