Examples with EventFilter org.jbpm.process.core.event.EventFilter used on opensource projects

Example 1 with EventFilter

use of org.jbpm.process.core.event.EventFilter in project jbpm by kiegroup.

the class EventNodeHandler method writeNode.

public void writeNode(Node node, StringBuilder xmlDump, boolean includeMeta) {
    EventNode eventNode = (EventNode) node;
    writeNode("eventNode", eventNode, xmlDump, includeMeta);
    String variableName = eventNode.getVariableName();
    if (variableName != null && variableName.length() != 0) {
        xmlDump.append("variableName=\"" + variableName + "\" ");
    }
    String scope = eventNode.getScope();
    if (scope != null && scope.length() != 0) {
        xmlDump.append("scope=\"" + scope + "\" ");
    }
    xmlDump.append(">" + EOL);
    if (includeMeta) {
        writeMetaData(eventNode, xmlDump);
    }
    xmlDump.append("      <eventFilters>" + EOL);
    for (EventFilter filter : eventNode.getEventFilters()) {
        if (filter instanceof EventTypeFilter) {
            xmlDump.append("        <eventFilter " + "type=\"eventType\" " + "eventType=\"" + ((EventTypeFilter) filter).getType() + "\" />" + EOL);
        } else {
            throw new IllegalArgumentException("Unknown filter type: " + filter);
        }
    }
    xmlDump.append("      </eventFilters>" + EOL);
    endNode("eventNode", xmlDump);
}

Example 2 with EventFilter

use of org.jbpm.process.core.event.EventFilter in project jbpm by kiegroup.

the class StartEventHandler method handleCompensationNode.

protected void handleCompensationNode(final StartNode startNode, final Element element, final org.w3c.dom.Node xmlNode, final ExtensibleXmlParser parser) throws SAXException {
    if (startNode.isInterrupting()) {
        logger.warn("Compensation Event Sub-Processes [" + startNode.getMetaData("UniqueId") + "] may not be specified as interrupting:" + " overriding attribute and setting to not-interrupting.");
    }
    startNode.setInterrupting(false);
    /**
     * From the BPMN2 spec, P.264:
     * "For a Start Event:
     *  This Event "catches" the compensation for an Event Sub-Process. No further information is required.
     *  The Event Sub-Process will provide the id necessary to match the Compensation Event with the Event
     *  that threw the compensation"
     *
     *  In other words, the id of the Sub-Process containing this Event Sub-Process is what should be used
     *  as the activityRef value in any Intermediate (throw) or End compensation event that targets
     *  this particular Event Sub-Process.
     *
     *  This is similar to the logic used for a Compensation Boundary Event: it's signaled using
     *  the id of the activity to which the CBE is attached to.
     */
    String activityRef = ((Element) xmlNode).getAttribute("activityRef");
    if (activityRef != null && activityRef.length() > 0) {
        logger.warn("activityRef value [" + activityRef + "] on Start Event '" + startNode.getMetaData("UniqueId") + "' ignored per the BPMN2 specification.");
    }
    // so that this node will get processed in ProcessHandler.postProcessNodes(...)
    EventTrigger startTrigger = new EventTrigger();
    EventFilter eventFilter = new NonAcceptingEventTypeFilter();
    ((NonAcceptingEventTypeFilter) eventFilter).setType("Compensation");
    startTrigger.addEventFilter(eventFilter);
    List<Trigger> startTriggers = new ArrayList<Trigger>();
    startTriggers.add(startTrigger);
    startNode.setTriggers(startTriggers);
    String mapping = (String) startNode.getMetaData("TriggerMapping");
    if (mapping != null) {
        startTrigger.addInMapping(mapping, startNode.getOutMapping(mapping));
    }
}

Example 3 with EventFilter

use of org.jbpm.process.core.event.EventFilter in project jbpm by kiegroup.

the class ProcessHandler method linkConnections.

public static void linkConnections(NodeContainer nodeContainer, List<SequenceFlow> connections) {
    if (connections != null) {
        for (SequenceFlow connection : connections) {
            String sourceRef = connection.getSourceRef();
            Node source = findNodeByIdOrUniqueIdInMetadata(nodeContainer, sourceRef, "Could not find source node for connection:" + sourceRef);
            if (source instanceof EventNode) {
                for (EventFilter eventFilter : ((EventNode) source).getEventFilters()) {
                    if (eventFilter instanceof EventTypeFilter) {
                        if ("Compensation".equals(((EventTypeFilter) eventFilter).getType())) {
                            // BPMN Method & Style, 2nd Ed. (Silver), states this on P. 131
                            throw new IllegalArgumentException("A Compensation Boundary Event can only be *associated* with a compensation activity via an Association, not via a Sequence Flow element.");
                        }
                    }
                }
            }
            String targetRef = connection.getTargetRef();
            Node target = findNodeByIdOrUniqueIdInMetadata(nodeContainer, targetRef, "Could not find target node for connection:" + targetRef);
            Connection result = new ConnectionImpl(source, NodeImpl.CONNECTION_DEFAULT_TYPE, target, NodeImpl.CONNECTION_DEFAULT_TYPE);
            result.setMetaData("bendpoints", connection.getBendpoints());
            result.setMetaData("UniqueId", connection.getId());
            if ("true".equals(System.getProperty("jbpm.enable.multi.con"))) {
                NodeImpl nodeImpl = (NodeImpl) source;
                Constraint constraint = buildConstraint(connection, nodeImpl);
                if (constraint != null) {
                    nodeImpl.addConstraint(new ConnectionRef(target.getId(), NodeImpl.CONNECTION_DEFAULT_TYPE), constraint);
                }
            } else if (source instanceof Split) {
                Split split = (Split) source;
                Constraint constraint = buildConstraint(connection, split);
                split.addConstraint(new ConnectionRef(target.getId(), NodeImpl.CONNECTION_DEFAULT_TYPE), constraint);
            }
        }
    }
}

Example 4 with EventFilter

use of org.jbpm.process.core.event.EventFilter in project jbpm by kiegroup.

the class ProcessHandler method linkBoundaryEvents.

public static void linkBoundaryEvents(NodeContainer nodeContainer) {
    for (Node node : nodeContainer.getNodes()) {
        if (node instanceof EventNode) {
            final String attachedTo = (String) node.getMetaData().get("AttachedTo");
            if (attachedTo != null) {
                for (EventFilter filter : ((EventNode) node).getEventFilters()) {
                    String type = ((EventTypeFilter) filter).getType();
                    Node attachedNode = findNodeByIdOrUniqueIdInMetadata(nodeContainer, attachedTo, "Could not find node to attach to: " + attachedTo);
                    // 
                    if (!(attachedNode instanceof StateBasedNode) && !type.equals("Compensation")) {
                        throw new IllegalArgumentException("Boundary events are supported only on StateBasedNode, found node: " + attachedNode.getClass().getName() + " [" + attachedNode.getMetaData().get("UniqueId") + "]");
                    }
                    if (type.startsWith("Escalation")) {
                        linkBoundaryEscalationEvent(nodeContainer, node, attachedTo, attachedNode);
                    } else if (type.startsWith("Error-")) {
                        linkBoundaryErrorEvent(nodeContainer, node, attachedTo, attachedNode);
                    } else if (type.startsWith("Timer-")) {
                        linkBoundaryTimerEvent(nodeContainer, node, attachedTo, attachedNode);
                    } else if (type.equals("Compensation")) {
                        linkBoundaryCompensationEvent(nodeContainer, node, attachedTo, attachedNode);
                    } else if (node.getMetaData().get("SignalName") != null || type.startsWith("Message-")) {
                        linkBoundarySignalEvent(nodeContainer, node, attachedTo, attachedNode);
                    } else if (type.startsWith("Condition-")) {
                        linkBoundaryConditionEvent(nodeContainer, node, attachedTo, attachedNode);
                    }
                }
            }
        }
    }
}

Example 5 with EventFilter

use of org.jbpm.process.core.event.EventFilter in project jbpm by kiegroup.

the class ProcessHandler method handleIntermediateOrEndThrowCompensationEvent.

protected void handleIntermediateOrEndThrowCompensationEvent(ExtendedNodeImpl throwEventNode) {
    if (throwEventNode.getMetaData("compensation-activityRef") != null) {
        String activityRef = (String) throwEventNode.getMetaData().remove("compensation-activityRef");
        NodeContainer nodeParent = (NodeContainer) throwEventNode.getNodeContainer();
        if (nodeParent instanceof EventSubProcessNode) {
            boolean compensationEventSubProcess = false;
            List<Trigger> startTriggers = ((EventSubProcessNode) nodeParent).findStartNode().getTriggers();
            CESP_CHECK: for (Trigger trigger : startTriggers) {
                if (trigger instanceof EventTrigger) {
                    for (EventFilter filter : ((EventTrigger) trigger).getEventFilters()) {
                        if (((EventTypeFilter) filter).getType().equals("Compensation")) {
                            compensationEventSubProcess = true;
                            break CESP_CHECK;
                        }
                    }
                }
            }
            if (compensationEventSubProcess) {
                // BPMN2 spec, p. 252, p. 248: intermediate and end compensation event visibility scope
                nodeParent = (NodeContainer) ((NodeImpl) nodeParent).getNodeContainer();
            }
        }
        String parentId;
        if (nodeParent instanceof RuleFlowProcess) {
            parentId = ((RuleFlowProcess) nodeParent).getId();
        } else {
            parentId = (String) ((NodeImpl) nodeParent).getMetaData("UniqueId");
        }
        String compensationEvent;
        if (activityRef.length() == 0) {
            // general/implicit compensation
            compensationEvent = CompensationScope.IMPLICIT_COMPENSATION_PREFIX + parentId;
        } else {
            // specific compensation
            compensationEvent = activityRef;
        }
        DroolsConsequenceAction compensationAction = new DroolsConsequenceAction("java", PROCESS_INSTANCE_SIGNAL_EVENT + "Compensation\", \"" + compensationEvent + "\");");
        if (throwEventNode instanceof ActionNode) {
            ((ActionNode) throwEventNode).setAction(compensationAction);
        } else if (throwEventNode instanceof EndNode) {
            List<DroolsAction> actions = new ArrayList<DroolsAction>();
            actions.add(compensationAction);
            ((EndNode) throwEventNode).setActions(EndNode.EVENT_NODE_ENTER, actions);
        }
    }
}