Package org.apache.wiki.workflow

Interface Summary

Interface	Description
Step	Discrete unit of work in a Workflow, such as a Decision or a Task.

Class Summary

Class	Description
AbstractStep	Abstact superclass that provides a complete implementation of most Step methods; subclasses need only implement AbstractStep.execute() and AbstractStep.getActor().
Decision	AbstractStep subclass that asks an actor Principal to choose an Outcome on behalf of an owner (also a Principal).
DecisionQueue	Keeps a queue of pending Decisions that need to be acted on by named Principals.
Fact	Represents a contextual artifact, which can be any serializable object, useful for making a Decision.
Outcome	Resolution of a workflow Step, such as "approve," "deny," "hold," "task error," or other potential resolutions.
SimpleDecision	Decision subclass that includes two available Outcomes: Outcome.DECISION_APPROVE or Outcome.DECISION_DENY.
SimpleNotification	Decision subclass used for notifications that includes only one available Outcome: Outcome.DECISION_ACKNOWLEDGE.
SystemPrincipal	System users asociated with workflow Task steps.
Task	AbstractStep subclass that executes instructions, uninterrupted, and results in an Outcome.
Workflow	Sequence of Step objects linked together.
WorkflowBuilder	Factory class that creates common Workflow instances such as a standard approval workflow.
WorkflowManager	Monitor class that tracks running Workflows.

Exception Summary

Exception	Description
DecisionRequiredException	Exception thrown when an activity -- that would otherwise complete silently -- cannot complete because a workflow Decision is required.
NoSuchOutcomeException	Exception thrown when an attempt is made to find an Outcome that does not exist.