org.jbpm.identity.assignment
Class ExpressionAssignmentHandler

java.lang.Object
  org.jbpm.identity.assignment.ExpressionAssignmentHandler

All Implemented Interfaces:

Serializable, org.jbpm.taskmgmt.def.AssignmentHandler

public class ExpressionAssignmentHandler
extends Object
implements org.jbpm.taskmgmt.def.AssignmentHandler

implements an expression language for assigning actors to tasks based on this identity component.

 syntax : first-term --> next-term --> next-term --> ... --> next-term
 
 first-term ::= previous |
                swimlane(swimlane-name) |
                variable(variable-name) |
                user(user-name) |
                group(group-name)
 
 next-term ::= group(group-type) |
               member(role-name)
 

See Also:

Serialized Form

Field Summary

protected Entity	entity
protected org.jbpm.graph.exe.ExecutionContext	executionContext
protected String	expression
protected ExpressionSession	expressionSession
protected TermTokenizer	tokenizer

Constructor Summary

ExpressionAssignmentHandler()

Method Summary

void	assign(org.jbpm.taskmgmt.exe.Assignable assignable, org.jbpm.graph.exe.ExecutionContext executionContext)
protected ExpressionSession	getExpressionSession() serves as a hook for customizing the way the identity session is retrieved.
protected Entity	getGroupByName(String groupName)
protected String	getSwimlaneActorId(String swimlaneName)
protected Entity	getUserByName(String userName)
protected Object	getVariable(String variableName)
protected Entity	resolveFirstTerm(String term)
protected Entity	resolveNextTerm(String term)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

expression

protected String expression

executionContext

protected org.jbpm.graph.exe.ExecutionContext executionContext

expressionSession

protected ExpressionSession expressionSession

tokenizer

protected TermTokenizer tokenizer

entity

protected Entity entity

Constructor Detail

ExpressionAssignmentHandler

public ExpressionAssignmentHandler()

Method Detail

assign

public void assign(org.jbpm.taskmgmt.exe.Assignable assignable,
                   org.jbpm.graph.exe.ExecutionContext executionContext)

Specified by:

assign in interface org.jbpm.taskmgmt.def.AssignmentHandler

getExpressionSession

protected ExpressionSession getExpressionSession()

serves as a hook for customizing the way the identity session is retrieved. overload this method to reuse this expression assignment handler for your user data store.

resolveFirstTerm

protected Entity resolveFirstTerm(String term)

resolveNextTerm

protected Entity resolveNextTerm(String term)

getVariable

protected Object getVariable(String variableName)

getGroupByName

protected Entity getGroupByName(String groupName)

getUserByName

protected Entity getUserByName(String userName)

getSwimlaneActorId

protected String getSwimlaneActorId(String swimlaneName)