Tasks

A task represents an action that needs to be performed.

User

• BPMN element: <bpmn2:userTask>.

• Description: Task that requires a human interaction with a UI or a programmed API.

• Configuration: Use Actors or Groups for assigning the task to the users. Use the Assignments, DataInputSet, and DataOutputSet properties for task parameter mapping to the enclosing process instance.

Send

• BPMN element: <bpmn2:sendTask>

• Description: General-purpose task for a send message action

• Configuration: The MessageRef property is a key to the ID attribute of a message element (bpmn2:message), which must be defined in the process scope

Note

It needs a custom WorkItemHandler to be registered with the send key.

Receive

• BPMN element: <bpmn2:receiveTask>

• Description: General-purpose task for a receive message action

• Configuration: The MessageRef property is a key to the ID attribute of a message element (bpmn2:message), which must be defined in the process scope

Note

It needs a custom WorkItemHandler to be registered with the receive key.

Manual

• BPMN element: <bpmn2:manualTask>

• Description: Task whose purpose is oriented to documenting that an action must be performed manually and that it can be ignored by the engine

Service

• BPMN element: <bpmn2:serviceTask>.

• Description: Service task that supports a Java or SOAP WebService call.

• Configuration: Use the ServiceImplementation, ServiceInterface, and ServiceOperation properties to configure the callable service/class. The WebService implementation requires the WSDL URL to be imported in the global scope (process imports).

Business rule

• BPMN element: <bpmn2:businessRuleTask>

• Description: Task that executes a Drool rule

• Configuration: Use the Ruleflow Group property to select the name of the Rule Group that defines the set of rules that you need to execute

Script

• BPMN element: <bpmn2:scriptTask>

• Description: Task that executes Java or MVEL scripts

• Configuration: Use the On Entry Actions, On Exit Actions, and Script language properties

None

• BPMN element: <bpmn2:task>

• Description: Ad hoc task

• Configuration: You must register a WorkItemHandler with the task key