Package org.flowable.engine.impl.bpmn.helper

Class ErrorPropagation

java.lang.Object

org.flowable.engine.impl.bpmn.helper.ErrorPropagation

public class ErrorPropagation
extends Object

This class is responsible for finding and executing error handlers for BPMN Errors.

Possible error handlers include Error Intermediate Events and Error Event Sub-Processes.

Author:

Tijs Rademakers, Saeid Mirzaei

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	ErrorPropagation.BpmnErrorVariableContainer

Constructor Summary

Constructors

Constructor	Description
ErrorPropagation()

Method Summary

Modifier and Type	Method	Description
protected static void	executeCatch(Map<String,List<Event>> eventMap, DelegateExecution delegateExecution, ErrorPropagation.BpmnErrorVariableContainer errorVariableContainer)
protected static void	executeEventHandler(Event event, ExecutionEntity parentExecution, ExecutionEntity currentExecution, ErrorPropagation.BpmnErrorVariableContainer errorVariableContainer)
protected static Map<String,List<Event>>	findCatchingEventsForProcess(String processDefinitionId, String errorCode)
static String	findMatchingExceptionMapping(Exception e, List<MapExceptionEntry> exceptionMap)
protected static Event	getCatchEventFromList(List<Event> events, ExecutionEntity parentExecution)
protected static String	getErrorCodeFromErrorEventDefinition(Event event)
static <E extends Throwable> void	handleException(Throwable exc, ExecutionEntity execution, List<MapExceptionEntry> exceptionMap)
protected static void	injectErrorContext(Event event, ExecutionEntity execution, ErrorPropagation.BpmnErrorVariableContainer errorSourceContainer, ExpressionManager expressionManager)
static boolean	mapException(Exception e, ExecutionEntity execution, List<MapExceptionEntry> exceptionMap)
protected static void	propagateError(String errorCode, Throwable exception, DelegateExecution execution)
static void	propagateError(String errorCode, DelegateExecution execution)
static void	propagateError(BpmnError error, DelegateExecution execution)
protected static void	propagateError(ErrorPropagation.BpmnErrorVariableContainer errorVariableContainer, DelegateExecution execution)
protected static String	retrieveErrorCode(BpmnModel bpmnModel, String errorCode)

Methods inherited from class java.lang.Object

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

Constructor Details

ErrorPropagation

public ErrorPropagation()

Method Details

propagateError

public static void propagateError(BpmnError error,
 DelegateExecution execution)

propagateError

public static void propagateError(String errorCode,
 DelegateExecution execution)

propagateError

protected static void propagateError(String errorCode,
 Throwable exception,
 DelegateExecution execution)

propagateError

protected static void propagateError(ErrorPropagation.BpmnErrorVariableContainer errorVariableContainer,
 DelegateExecution execution)

executeCatch

protected static void executeCatch(Map<String,List<Event>> eventMap,
 DelegateExecution delegateExecution,
 ErrorPropagation.BpmnErrorVariableContainer errorVariableContainer)

executeEventHandler

protected static void executeEventHandler(Event event,
 ExecutionEntity parentExecution,
 ExecutionEntity currentExecution,
 ErrorPropagation.BpmnErrorVariableContainer errorVariableContainer)

findCatchingEventsForProcess

protected static Map<String,List<Event>> findCatchingEventsForProcess(String processDefinitionId,
 String errorCode)

mapException

public static boolean mapException(Exception e,
 ExecutionEntity execution,
 List<MapExceptionEntry> exceptionMap)

findMatchingExceptionMapping

public static String findMatchingExceptionMapping(Exception e,
 List<MapExceptionEntry> exceptionMap)

getCatchEventFromList

protected static Event getCatchEventFromList(List<Event> events,
 ExecutionEntity parentExecution)

getErrorCodeFromErrorEventDefinition

protected static String getErrorCodeFromErrorEventDefinition(Event event)

retrieveErrorCode

protected static String retrieveErrorCode(BpmnModel bpmnModel,
 String errorCode)

handleException

public static <E extends Throwable> void handleException(Throwable exc,
 ExecutionEntity execution,
 List<MapExceptionEntry> exceptionMap)
                                                  throws E

Throws:

E

injectErrorContext

protected static void injectErrorContext(Event event,
 ExecutionEntity execution,
 ErrorPropagation.BpmnErrorVariableContainer errorSourceContainer,
 ExpressionManager expressionManager)