Package io.camunda.zeebe.engine.processing.bpmn.container

Class MultiInstanceBodyProcessor

java.lang.Object

io.camunda.zeebe.engine.processing.bpmn.container.MultiInstanceBodyProcessor

All Implemented Interfaces:

BpmnElementContainerProcessor<ExecutableMultiInstanceBody>, BpmnElementProcessor<ExecutableMultiInstanceBody>

public final class MultiInstanceBodyProcessor
extends Object
implements BpmnElementContainerProcessor<ExecutableMultiInstanceBody>

Constructor Summary

Constructors

Constructor	Description
MultiInstanceBodyProcessor(BpmnBehaviors bpmnBehaviors, BpmnStateTransitionBehavior stateTransitionBehavior)

Method Summary

Modifier and Type	Method	Description
void	afterExecutionPathCompleted(ExecutableMultiInstanceBody element, BpmnElementContext flowScopeContext, BpmnElementContext childContext, Boolean satisfiesCompletionCondition)	The execution path of a child element has completed.
Either<Failure,?>	beforeExecutionPathCompleted(ExecutableMultiInstanceBody element, BpmnElementContext flowScopeContext, BpmnElementContext childContext)	The execution path of a child element is about to be completed.
Class<ExecutableMultiInstanceBody>	getType()
void	onActivate(ExecutableMultiInstanceBody element, BpmnElementContext context)	The element is about to be entered.
Either<Failure,?>	onChildActivating(ExecutableMultiInstanceBody multiInstanceBody, BpmnElementContext flowScopeContext, BpmnElementContext childContext)	A child element is on activating (but not yet activated).
void	onChildTerminated(ExecutableMultiInstanceBody element, BpmnElementContext flowScopeContext, BpmnElementContext childContext)	A child element is terminated.
void	onComplete(ExecutableMultiInstanceBody element, BpmnElementContext context)	The element is going to be left.
void	onTerminate(ExecutableMultiInstanceBody element, BpmnElementContext context)	The element is going to be terminated.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.camunda.zeebe.engine.processing.bpmn.BpmnElementContainerProcessor

onChildCompleting

Constructor Details

MultiInstanceBodyProcessor

public MultiInstanceBodyProcessor(BpmnBehaviors bpmnBehaviors,
 BpmnStateTransitionBehavior stateTransitionBehavior)

Method Details

getType

public Class<ExecutableMultiInstanceBody> getType()

Specified by:

getType in interface BpmnElementProcessor<ExecutableMultiInstanceBody>

Returns:

the class that represents the BPMN element

onActivate

public void onActivate(ExecutableMultiInstanceBody element,
 BpmnElementContext context)

Description copied from interface: BpmnElementProcessor

The element is about to be entered. Perform every action to initialize and activate the element.

If the element is a wait-state (i.e. it is waiting for an event or an external trigger) then it is waiting after this step to continue. Otherwise, it continues directly to the next step.

Possible actions:

• apply input mappings
• open event subscriptions
• initialize child elements - if the element is a container (e.g. a sub-process)

Next step:

• activating - the element is initialized
• activated - if no incidents raised
• complete - if no incidents raised & not a wait-state.

Specified by:

onActivate in interface BpmnElementProcessor<ExecutableMultiInstanceBody>

Parameters:

element - the instance of the BPMN element that is executed

context - process instance-related data of the element that is executed

onComplete

public void onComplete(ExecutableMultiInstanceBody element,
 BpmnElementContext context)

Description copied from interface: BpmnElementProcessor

The element is going to be left. Perform every action to leave the element and continue with the next element.

Possible actions:

• apply output mappings
• close event subscriptions
• take outgoing sequence flows - if any
• continue with parent element - if no outgoing sequence flows
• clean up the state

Next step: none.

Specified by:

onComplete in interface BpmnElementProcessor<ExecutableMultiInstanceBody>

Parameters:

element - the instance of the BPMN element that is executed

context - process instance-related data of the element that is executed

onTerminate

public void onTerminate(ExecutableMultiInstanceBody element,
 BpmnElementContext context)

Description copied from interface: BpmnElementProcessor

The element is going to be terminated. Perform every action to terminate the element and continue with the element that caused the termination (e.g. the triggered boundary event).

Possible actions:

• close event subscriptions
• resolve incidents
• activate the triggered boundary event - if any
• activate the triggered event sub-process - if any
• continue with parent element
• clean up the state

Next step: none.

Specified by:

onTerminate in interface BpmnElementProcessor<ExecutableMultiInstanceBody>

Parameters:

element - the instance of the BPMN element that is executed

context - process instance-related data of the element that is executed

onChildActivating

public Either<Failure,?> onChildActivating(ExecutableMultiInstanceBody multiInstanceBody,
 BpmnElementContext flowScopeContext,
 BpmnElementContext childContext)

Description copied from interface: BpmnElementContainerProcessor

A child element is on activating (but not yet activated). Perform additional logic for the new child element, like setting variables.

Specified by:

onChildActivating in interface BpmnElementContainerProcessor<ExecutableMultiInstanceBody>

Parameters:

multiInstanceBody - the instance of the BPMN element container

flowScopeContext - process instance-related data of the element container

childContext - process instance-related data of the child element that is on activating

Returns:

either a failure (Left) or any success value (Right)

beforeExecutionPathCompleted

public Either<Failure,?> beforeExecutionPathCompleted(ExecutableMultiInstanceBody element,
 BpmnElementContext flowScopeContext,
 BpmnElementContext childContext)

Description copied from interface: BpmnElementContainerProcessor

The execution path of a child element is about to be completed.

Specified by:

beforeExecutionPathCompleted in interface BpmnElementContainerProcessor<ExecutableMultiInstanceBody>

Parameters:

element - the instance of the BPMN element container

flowScopeContext - process instance-related data of the element container

childContext - process instance-related data of the child element that is completed. At

Returns:

either a failure (Left) or any success value (Right)

afterExecutionPathCompleted

public void afterExecutionPathCompleted(ExecutableMultiInstanceBody element,
 BpmnElementContext flowScopeContext,
 BpmnElementContext childContext,
 Boolean satisfiesCompletionCondition)

Description copied from interface: BpmnElementContainerProcessor

The execution path of a child element has completed.

Specified by:

afterExecutionPathCompleted in interface BpmnElementContainerProcessor<ExecutableMultiInstanceBody>

Parameters:

element - the instance of the BPMN element container

flowScopeContext - process instance-related data of the element container

childContext - process instance-related data of the child element that is completed. At this point in time the element has already been removed from the state.

satisfiesCompletionCondition - the evaluation result of completion condition

onChildTerminated

public void onChildTerminated(ExecutableMultiInstanceBody element,
 BpmnElementContext flowScopeContext,
 BpmnElementContext childContext)

Description copied from interface: BpmnElementContainerProcessor

A child element is terminated. Terminate the element container if it has no more active child elements. Or, continue with the interrupting event sub-process that was triggered and caused the termination.

Specified by:

onChildTerminated in interface BpmnElementContainerProcessor<ExecutableMultiInstanceBody>

Parameters:

element - the instance of the BPMN element container

flowScopeContext - process instance-related data of the element container

childContext - process instance-related data of the child element that is terminated