コード例 #1
0
 private void postProcessNodes(NodeContainer container) {
   for (Node node : container.getNodes()) {
     if (node instanceof StateNode) {
       StateNode stateNode = (StateNode) node;
       String condition = (String) stateNode.getMetaData().get("Condition");
       Constraint constraint = new ConstraintImpl();
       constraint.setConstraint(condition);
       constraint.setType("rule");
       for (org.drools.definition.process.Connection connection :
           stateNode.getDefaultOutgoingConnections()) {
         stateNode.setConstraint(connection, constraint);
       }
     } else if (node instanceof NodeContainer) {
       postProcessNodes((NodeContainer) node);
     }
   }
 }
コード例 #2
0
 private void assignLanes(NodeContainer nodeContainer, Map<String, String> laneMapping) {
   for (Node node : nodeContainer.getNodes()) {
     String lane = null;
     String uniqueId = (String) node.getMetaData().get("UniqueId");
     if (uniqueId != null) {
       lane = laneMapping.get(uniqueId);
     } else {
       lane = laneMapping.get(XmlBPMNProcessDumper.getUniqueNodeId(node));
     }
     if (lane != null) {
       ((NodeImpl) node).setMetaData("Lane", lane);
       if (node instanceof HumanTaskNode) {
         ((HumanTaskNode) node).setSwimlane(lane);
       }
     }
     if (node instanceof NodeContainer) {
       assignLanes((NodeContainer) node, laneMapping);
     }
   }
 }
コード例 #3
0
 public static void linkBoundaryEvents(NodeContainer nodeContainer) {
   for (Node node : nodeContainer.getNodes()) {
     if (node instanceof EventNode) {
       String attachedTo = (String) node.getMetaData().get("AttachedTo");
       if (attachedTo != null) {
         String type = ((EventTypeFilter) ((EventNode) node).getEventFilters().get(0)).getType();
         Node attachedNode = null;
         try {
           // remove starting _
           String attachedToString = attachedTo.substring(1);
           // remove ids of parent nodes
           attachedToString = attachedToString.substring(attachedToString.lastIndexOf("-") + 1);
           attachedNode = nodeContainer.getNode(new Integer(attachedToString));
         } catch (NumberFormatException e) {
           // try looking for a node with same "UniqueId" (in metadata)
           for (Node subnode : nodeContainer.getNodes()) {
             if (attachedTo.equals(subnode.getMetaData().get("UniqueId"))) {
               attachedNode = subnode;
               break;
             }
           }
           if (attachedNode == null) {
             throw new IllegalArgumentException("Could not find node to attach to: " + attachedTo);
           }
         }
         if (type.startsWith("Escalation-")) {
           boolean cancelActivity = (Boolean) node.getMetaData().get("CancelActivity");
           CompositeContextNode compositeNode = (CompositeContextNode) attachedNode;
           ExceptionScope exceptionScope =
               (ExceptionScope) compositeNode.getDefaultContext(ExceptionScope.EXCEPTION_SCOPE);
           if (exceptionScope == null) {
             exceptionScope = new ExceptionScope();
             compositeNode.addContext(exceptionScope);
             compositeNode.setDefaultContext(exceptionScope);
           }
           String escalationCode = (String) node.getMetaData().get("EscalationEvent");
           ActionExceptionHandler exceptionHandler = new ActionExceptionHandler();
           exceptionHandler.setAction(
               new DroolsConsequenceAction(
                   "java",
                   (cancelActivity
                           ? "((org.drools.workflow.instance.NodeInstance) kcontext.getNodeInstance()).cancel();"
                           : "")
                       + "kcontext.getProcessInstance().signalEvent(\"Escalation-"
                       + attachedTo
                       + "-"
                       + escalationCode
                       + "\", null);"));
           exceptionScope.setExceptionHandler(escalationCode, exceptionHandler);
         } else if (type.startsWith("Error-")) {
           CompositeContextNode compositeNode = (CompositeContextNode) attachedNode;
           ExceptionScope exceptionScope =
               (ExceptionScope) compositeNode.getDefaultContext(ExceptionScope.EXCEPTION_SCOPE);
           if (exceptionScope == null) {
             exceptionScope = new ExceptionScope();
             compositeNode.addContext(exceptionScope);
             compositeNode.setDefaultContext(exceptionScope);
           }
           String errorCode = (String) node.getMetaData().get("ErrorEvent");
           ActionExceptionHandler exceptionHandler = new ActionExceptionHandler();
           exceptionHandler.setAction(
               new DroolsConsequenceAction(
                   "java",
                   "((org.drools.workflow.instance.NodeInstance) kcontext.getNodeInstance()).cancel();"
                       + "kcontext.getProcessInstance().signalEvent(\"Error-"
                       + attachedTo
                       + "-"
                       + errorCode
                       + "\", null);"));
           exceptionScope.setExceptionHandler(errorCode, exceptionHandler);
         } else if (type.startsWith("Timer-")) {
           boolean cancelActivity = (Boolean) node.getMetaData().get("CancelActivity");
           CompositeContextNode compositeNode = (CompositeContextNode) attachedNode;
           String timeCycle = (String) node.getMetaData().get("TimeCycle");
           Timer timer = new Timer();
           timer.setDelay(timeCycle);
           compositeNode.addTimer(
               timer,
               new DroolsConsequenceAction(
                   "java",
                   (cancelActivity
                           ? "((org.drools.workflow.instance.NodeInstance) kcontext.getNodeInstance()).cancel();"
                           : "")
                       + "kcontext.getProcessInstance().signalEvent(\"Timer-"
                       + attachedTo
                       + "-"
                       + timeCycle
                       + "\", null);"));
         } else if (type.startsWith("Compensate-")) {
           String uniqueId = (String) node.getMetaData().get("UniqueId");
           String eventType = "Compensate-" + uniqueId;
           ((EventTypeFilter) ((EventNode) node).getEventFilters().get(0)).setType(eventType);
         }
       }
     }
   }
 }
コード例 #4
0
 public static void linkConnections(NodeContainer nodeContainer, List<SequenceFlow> connections) {
   if (connections != null) {
     for (SequenceFlow connection : connections) {
       String sourceRef = connection.getSourceRef();
       String targetRef = connection.getTargetRef();
       Node source = null;
       Node target = null;
       try {
         // remove starting _
         sourceRef = sourceRef.substring(1);
         // remove ids of parent nodes
         sourceRef = sourceRef.substring(sourceRef.lastIndexOf("-") + 1);
         source = nodeContainer.getNode(new Integer(sourceRef));
       } catch (NumberFormatException e) {
         // try looking for a node with same "UniqueId" (in metadata)
         for (Node node : nodeContainer.getNodes()) {
           if (connection.getSourceRef().equals(node.getMetaData().get("UniqueId"))) {
             source = node;
             break;
           }
         }
         if (source == null) {
           throw new IllegalArgumentException(
               "Could not find source node for connection:" + connection.getSourceRef());
         }
       }
       try {
         // remove starting _
         targetRef = targetRef.substring(1);
         // remove ids of parent nodes
         targetRef = targetRef.substring(targetRef.lastIndexOf("-") + 1);
         target = nodeContainer.getNode(new Integer(targetRef));
       } catch (NumberFormatException e) {
         // try looking for a node with same "UniqueId" (in metadata)
         for (Node node : nodeContainer.getNodes()) {
           if (connection.getTargetRef().equals(node.getMetaData().get("UniqueId"))) {
             target = node;
             break;
           }
         }
         if (target == null) {
           throw new IllegalArgumentException(
               "Could not find target node for connection:" + connection.getTargetRef());
         }
       }
       Connection result =
           new ConnectionImpl(
               source, NodeImpl.CONNECTION_DEFAULT_TYPE,
               target, NodeImpl.CONNECTION_DEFAULT_TYPE);
       result.setMetaData("bendpoints", connection.getBendpoints());
       if (source instanceof Split) {
         Split split = (Split) source;
         Constraint constraint = new ConstraintImpl();
         String defaultConnection = (String) split.getMetaData("Default");
         if (defaultConnection != null && defaultConnection.equals(connection.getId())) {
           constraint.setDefault(true);
         }
         if (connection.getName() != null) {
           constraint.setName(connection.getName());
         } else {
           constraint.setName("");
         }
         if (connection.getType() != null) {
           constraint.setType(connection.getType());
         } else {
           constraint.setType("code");
         }
         if (connection.getLanguage() != null) {
           constraint.setDialect(connection.getLanguage());
         }
         if (connection.getExpression() != null) {
           constraint.setConstraint(connection.getExpression());
         }
         split.addConstraint(
             new ConnectionRef(target.getId(), NodeImpl.CONNECTION_DEFAULT_TYPE), constraint);
       }
     }
   }
 }