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private void myMethod () {LocalDateTime l =
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}
public boolean evaluate(NodeInstance instance, Connection connection, Constraint constraint) { Object value; try { ProcessContext context = new ProcessContext(((ProcessInstance)instance.getProcessInstance()).getKnowledgeRuntime()); context.setNodeInstance( instance ); value = this.evaluator.evaluate( context ); } catch ( Exception e ) { throw new RuntimeException( "unable to execute ReturnValueEvaluator: ", e ); } if ( !(value instanceof Boolean) ) { throw new RuntimeException( "Constraints must return boolean values: " + value + " for expression " + constraint); } return ((Boolean) value).booleanValue(); }
private void handleAssignment(Assignment assignment) { AssignmentAction action = (AssignmentAction) assignment.getMetaData("Action"); try { ProcessContext context = new ProcessContext(getProcessInstance().getKnowledgeRuntime()); context.setNodeInstance(this); action.execute(getWorkItem(), context); } catch (Exception e) { throw new RuntimeException("unable to execute Assignment", e); } }
/** * This method is used in both instances of the {@link ExtendedNodeInstanceImpl} * and {@link ActionNodeInstance} instances in order to handle * exceptions thrown when executing actions. * * @param action An {@link Action} instance. */ protected void executeAction(Action action) { ProcessContext context = new ProcessContext(getProcessInstance().getKnowledgeRuntime()); context.setNodeInstance(this); try { action.execute(context); } catch (Exception e) { String exceptionName = e.getClass().getName(); ExceptionScopeInstance exceptionScopeInstance = (ExceptionScopeInstance) resolveContextInstance(ExceptionScope.EXCEPTION_SCOPE, exceptionName); if (exceptionScopeInstance == null) { throw new WorkflowRuntimeException(this, getProcessInstance(), "Unable to execute Action: " + e.getMessage(), e); } exceptionScopeInstance.handleException(exceptionName, e); cancel(); } }
public void internalTrigger(final NodeInstance from, String type) { if (!org.jbpm.workflow.core.Node.CONNECTION_DEFAULT_TYPE.equals(type)) { throw new IllegalArgumentException( "An ActionNode only accepts default incoming connections!"); } Action action = (Action) getActionNode().getAction().getMetaData("Action"); try { ProcessContext context = new ProcessContext(getProcessInstance().getKnowledgeRuntime()); context.setNodeInstance(this); executeAction(action); } catch( WorkflowRuntimeException wre) { throw wre; } catch (Exception e) { // for the case that one of the following throws an exception // - the ProcessContext() constructor // - or context.setNodeInstance(this) throw new WorkflowRuntimeException(this, getProcessInstance(), "Unable to execute Action: " + e.getMessage(), e); } triggerCompleted(); }
public void handleException(ExceptionHandler handler, String exception, Object params) { if (handler instanceof ActionExceptionHandler) { ActionExceptionHandler exceptionHandler = (ActionExceptionHandler) handler; Action action = (Action) exceptionHandler.getAction().getMetaData("Action"); try { ProcessInstance processInstance = getProcessInstance(); ProcessContext processContext = new ProcessContext(processInstance.getKnowledgeRuntime()); ContextInstanceContainer contextInstanceContainer = getContextInstanceContainer(); if (contextInstanceContainer instanceof NodeInstance) { processContext.setNodeInstance((NodeInstance) contextInstanceContainer); } else { processContext.setProcessInstance(processInstance); } String faultVariable = exceptionHandler.getFaultVariable(); if (faultVariable != null) { processContext.setVariable(faultVariable, params); } action.execute(processContext); } catch (Exception e) { throw new RuntimeException("unable to execute Action", e); } } else { throw new IllegalArgumentException("Unknown exception handler " + handler); } }
public boolean evaluate(NodeInstance instance, Connection connection, Constraint constraint) { Object value; try { ProcessContext context = new ProcessContext(((ProcessInstance)instance.getProcessInstance()).getKnowledgeRuntime()); context.setNodeInstance( instance ); value = this.evaluator.evaluate( context ); } catch ( Exception e ) { throw new RuntimeException( "unable to execute ReturnValueEvaluator: ", e ); } if ( !(value instanceof Boolean) ) { throw new RuntimeException( "Constraints must return boolean values: " + value + " for expression " + constraint); } return ((Boolean) value).booleanValue(); }
private void handleAssignment(Assignment assignment) { AssignmentAction action = (AssignmentAction) assignment.getMetaData("Action"); try { ProcessContext context = new ProcessContext(getProcessInstance().getKnowledgeRuntime()); context.setNodeInstance(this); action.execute(getWorkItem(), context); } catch (Exception e) { throw new RuntimeException("unable to execute Assignment", e); } }
/** * This method is used in both instances of the {@link ExtendedNodeInstanceImpl} * and {@link ActionNodeInstance} instances in order to handle * exceptions thrown when executing actions. * * @param action An {@link Action} instance. */ protected void executeAction(Action action) { ProcessContext context = new ProcessContext(getProcessInstance().getKnowledgeRuntime()); context.setNodeInstance(this); try { action.execute(context); } catch (Exception e) { String exceptionName = e.getClass().getName(); ExceptionScopeInstance exceptionScopeInstance = (ExceptionScopeInstance) resolveContextInstance(ExceptionScope.EXCEPTION_SCOPE, exceptionName); if (exceptionScopeInstance == null) { throw new WorkflowRuntimeException(this, getProcessInstance(), "Unable to execute Action: " + e.getMessage(), e); } exceptionScopeInstance.handleException(exceptionName, e); cancel(); } }
public void internalTrigger(final NodeInstance from, String type) { if (!org.jbpm.workflow.core.Node.CONNECTION_DEFAULT_TYPE.equals(type)) { throw new IllegalArgumentException( "An ActionNode only accepts default incoming connections!"); } Action action = (Action) getActionNode().getAction().getMetaData("Action"); try { ProcessContext context = new ProcessContext(getProcessInstance().getKnowledgeRuntime()); context.setNodeInstance(this); executeAction(action); } catch( WorkflowRuntimeException wre) { throw wre; } catch (Exception e) { // for the case that one of the following throws an exception // - the ProcessContext() constructor // - or context.setNodeInstance(this) throw new WorkflowRuntimeException(this, getProcessInstance(), "Unable to execute Action: " + e.getMessage(), e); } triggerCompleted(); }
public void handleException(ExceptionHandler handler, String exception, Object params) { if (handler instanceof ActionExceptionHandler) { ActionExceptionHandler exceptionHandler = (ActionExceptionHandler) handler; Action action = (Action) exceptionHandler.getAction().getMetaData("Action"); try { ProcessInstance processInstance = getProcessInstance(); ProcessContext processContext = new ProcessContext(processInstance.getKnowledgeRuntime()); ContextInstanceContainer contextInstanceContainer = getContextInstanceContainer(); if (contextInstanceContainer instanceof NodeInstance) { processContext.setNodeInstance((NodeInstance) contextInstanceContainer); } else { processContext.setProcessInstance(processInstance); } String faultVariable = exceptionHandler.getFaultVariable(); if (faultVariable != null) { processContext.setVariable(faultVariable, params); } action.execute(processContext); } catch (Exception e) { throw new RuntimeException("unable to execute Action", e); } } else { throw new IllegalArgumentException("Unknown exception handler " + handler); } }
WorkItemNodeInstance nodeInstance = findNodeInstance(workItem.getId(), processInstance); kcontext.setNodeInstance(nodeInstance); Map<String, Object> results = handler.execute(kcontext);