Package org.drools.workflow.core.node

Examples of org.drools.workflow.core.node.CompositeNode

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        StartNode startNode = new StartNode();
        startNode.setName("Start");
        startNode.setId(1);
        process.addNode(startNode);
       
        CompositeNode compositeNode = new CompositeNode();
        compositeNode.setName("CompositeNode");
        compositeNode.setId(2);
        process.addNode(compositeNode);
        new ConnectionImpl(
            startNode, Node.CONNECTION_DEFAULT_TYPE,
            compositeNode, Node.CONNECTION_DEFAULT_TYPE
        );
       
        MilestoneNode milestoneNode = new MilestoneNode();
        milestoneNode.setName("Milestone");
        milestoneNode.setConstraint("eval(false)");
        compositeNode.addNode(milestoneNode);
        compositeNode.linkIncomingConnections(Node.CONNECTION_DEFAULT_TYPE, milestoneNode.getId(), Node.CONNECTION_DEFAULT_TYPE);
       
        EventNode eventNode = new EventNode();
        EventTypeFilter eventFilter = new EventTypeFilter();
        eventFilter.setType("myEvent");
        eventNode.addEventFilter(eventFilter);
        eventNode.setVariableName("event");
        compositeNode.addNode(eventNode);
       
        final List<String> myList = new ArrayList<String>();
        ActionNode actionNode = new ActionNode();
        actionNode.setName("Print");
        DroolsAction action = new DroolsConsequenceAction("java", null);
        action.setMetaData("Action", new Action() {
            public void execute(KnowledgeHelper knowledgeHelper, WorkingMemory workingMemory, ProcessContext context) throws Exception {
              System.out.println("Detected event for person " + ((Person) context.getVariable("event")).getName());
                myList.add("Executed action");
            }
        });
        actionNode.setAction(action);
        compositeNode.addNode(actionNode);
        new ConnectionImpl(
            eventNode, Node.CONNECTION_DEFAULT_TYPE,
            actionNode, Node.CONNECTION_DEFAULT_TYPE
        );
       
        Join join = new Join();
        join.setName("XOR Join");
        join.setType(Join.TYPE_XOR);
        compositeNode.addNode(join);
        new ConnectionImpl(
            milestoneNode, Node.CONNECTION_DEFAULT_TYPE,
            join, Node.CONNECTION_DEFAULT_TYPE
        );
        new ConnectionImpl(
            actionNode, Node.CONNECTION_DEFAULT_TYPE,
            join, Node.CONNECTION_DEFAULT_TYPE
        );
        compositeNode.linkOutgoingConnections(join.getId(), Node.CONNECTION_DEFAULT_TYPE, Node.CONNECTION_DEFAULT_TYPE);
   
        EndNode endNode = new EndNode();
        endNode.setName("EndNode");
        endNode.setId(3);
        process.addNode(endNode);
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                    errors.add(new ProcessValidationErrorImpl(process,
                        "ForEach node '" + node.getName() + "' [" + node.getId() + "] has no linked end node"));
                }
                validateNodes(forEachNode.getNodes(), errors, process);
            } else if (node instanceof CompositeNode) {
                final CompositeNode compositeNode = (CompositeNode) node;
                for (Map.Entry<String, NodeAndType> inType: compositeNode.getLinkedIncomingNodes().entrySet()) {
                    if (compositeNode.getIncomingConnections(inType.getKey()).size() == 0) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has no incoming connection for type " + inType.getKey()));
                    }
                  if (inType.getValue().getNode() == null) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has invalid linked incoming node for type " + inType.getKey()));
                  }
                }
                for (Map.Entry<String, NodeAndType> outType: compositeNode.getLinkedOutgoingNodes().entrySet()) {
                    if (compositeNode.getOutgoingConnections(outType.getKey()).size() == 0) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has no outgoing connection for type " + outType.getKey()));
                    }
                  if (outType.getValue().getNode() == null) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has invalid linked outgoing node for type " + outType.getKey()));
                  }
                }
                validateNodes(compositeNode.getNodes(), errors, process);
            } else if (node instanceof EventNode) {
                final EventNode eventNode = (EventNode) node;
                if (eventNode.getEventFilters().size() == 0) {
                    errors.add(new ProcessValidationErrorImpl(process,
                        "Event node '" + node.getName() + "' [" + node.getId() + "] should specify an event type"));
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      return "composite";
    }

    public void writeNode(Node node, StringBuilder xmlDump, boolean includeMeta) {
      super.writeNode(getNodeName(), node, xmlDump, includeMeta);
        CompositeNode compositeNode = (CompositeNode) node;
        writeAttributes(compositeNode, xmlDump, includeMeta);
        xmlDump.append(">" + EOL);
      for (String eventType: compositeNode.getActionTypes()) {
          writeActions(eventType, compositeNode.getActions(eventType), xmlDump);
        }
        writeTimers(compositeNode.getTimers(), xmlDump);
        if (compositeNode instanceof CompositeContextNode) {
          VariableScope variableScope = (VariableScope)
        ((CompositeContextNode) compositeNode).getDefaultContext(VariableScope.VARIABLE_SCOPE);
          if (variableScope != null) {
            List<Variable> variables = variableScope.getVariables();
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        return result;
      }
      result = node.getId() + "";
      NodeContainer nodeContainer = node.getNodeContainer();
      while (nodeContainer instanceof CompositeNode) {
        CompositeNode composite = (CompositeNode) nodeContainer;
        result = composite.getId() + "-" + result;
        nodeContainer = composite.getNodeContainer();
      }
      return "_" + result;
    }
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    public String getUniqueId() {
      String result = id + "";
      NodeContainer nodeContainer = getNodeContainer();
      while (nodeContainer instanceof CompositeNode) {
        CompositeNode composite = (CompositeNode) nodeContainer;
        result = composite.getId() + ":" + result;
        nodeContainer = composite.getNodeContainer();
      }
      return result;
    }
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                    errors.add(new ProcessValidationErrorImpl(process,
                        "Dynamic node '" + node.getName() + "' [" + node.getId() + "] has no outgoing connection"));
                }
                validateNodes(dynamicNode.getNodes(), errors, process);
            } else if (node instanceof CompositeNode) {
                final CompositeNode compositeNode = (CompositeNode) node;
                for (Map.Entry<String, NodeAndType> inType: compositeNode.getLinkedIncomingNodes().entrySet()) {
                    if (compositeNode.getIncomingConnections(inType.getKey()).size() == 0  && !acceptsNoIncomingConnections(node)) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has no incoming connection for type " + inType.getKey()));
                    }
                  if (inType.getValue().getNode() == null && !acceptsNoOutgoingConnections(node)) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has invalid linked incoming node for type " + inType.getKey()));
                  }
                }
                for (Map.Entry<String, NodeAndType> outType: compositeNode.getLinkedOutgoingNodes().entrySet()) {
                    if (compositeNode.getOutgoingConnections(outType.getKey()).size() == 0) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has no outgoing connection for type " + outType.getKey()));
                    }
                  if (outType.getValue().getNode() == null) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has invalid linked outgoing node for type " + outType.getKey()));
                  }
                }
                validateNodes(compositeNode.getNodes(), errors, process);
            } else if (node instanceof EventNode) {
                final EventNode eventNode = (EventNode) node;
                if (eventNode.getEventFilters().size() == 0) {
                    errors.add(new ProcessValidationErrorImpl(process,
                        "Event node '" + node.getName() + "' [" + node.getId() + "] should specify an event type"));
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        return result;
      }
      result = node.getId() + "";
      NodeContainer nodeContainer = node.getNodeContainer();
      while (nodeContainer instanceof CompositeNode) {
        CompositeNode composite = (CompositeNode) nodeContainer;
        result = composite.getId() + "-" + result;
        nodeContainer = composite.getNodeContainer();
      }
      return "_" + result;
    }
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                        errors.add(new ProcessValidationErrorImpl(process,
                            "WorkItem node '" + node.getName() + "' [" + node.getId() + "] has no work name."));
                    }
                }
            } else if (node instanceof CompositeNode) {
                final CompositeNode compositeNode = (CompositeNode) node;
                for (String inType: compositeNode.getLinkedIncomingNodes().keySet()) {
                    if (compositeNode.getIncomingConnections(inType).size() == 0) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has no incoming connection for type " + inType));
                    }
                }
                for (String outType: compositeNode.getLinkedOutgoingNodes().keySet()) {
                    if (compositeNode.getOutgoingConnections(outType).size() == 0) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has no outgoing connection for type " + outType));
                    }
                }
                validateNodes(compositeNode.getNodes(), errors, process);
            }
        }

    }
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                    errors.add(new ProcessValidationErrorImpl(process,
                        "Dynamic node '" + node.getName() + "' [" + node.getId() + "] has no outgoing connection"));
                }
                validateNodes(dynamicNode.getNodes(), errors, process);
            } else if (node instanceof CompositeNode) {
                final CompositeNode compositeNode = (CompositeNode) node;
                for (Map.Entry<String, NodeAndType> inType: compositeNode.getLinkedIncomingNodes().entrySet()) {
                    if (compositeNode.getIncomingConnections(inType.getKey()).size() == 0  && !acceptsNoIncomingConnections(node)) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has no incoming connection for type " + inType.getKey()));
                    }
                  if (inType.getValue().getNode() == null && !acceptsNoOutgoingConnections(node)) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has invalid linked incoming node for type " + inType.getKey()));
                  }
                }
                for (Map.Entry<String, NodeAndType> outType: compositeNode.getLinkedOutgoingNodes().entrySet()) {
                    if (compositeNode.getOutgoingConnections(outType.getKey()).size() == 0) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has no outgoing connection for type " + outType.getKey()));
                    }
                  if (outType.getValue().getNode() == null) {
                        errors.add(new ProcessValidationErrorImpl(process,
                            "Composite node '" + node.getName() + "' [" + node.getId() + "] has invalid linked outgoing node for type " + outType.getKey()));
                  }
                }
                validateNodes(compositeNode.getNodes(), errors, process);
            } else if (node instanceof EventNode) {
                final EventNode eventNode = (EventNode) node;
                if (eventNode.getEventFilters().size() == 0) {
                    errors.add(new ProcessValidationErrorImpl(process,
                        "Event node '" + node.getName() + "' [" + node.getId() + "] should specify an event type"));
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    public String getUniqueId() {
      String result = id + "";
      NodeContainer nodeContainer = getNodeContainer();
      while (nodeContainer instanceof CompositeNode) {
        CompositeNode composite = (CompositeNode) nodeContainer;
        result = composite.getId() + ":" + result;
        nodeContainer = composite.getNodeContainer();
      }
      return result;
    }
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Related Classes of org.drools.workflow.core.node.CompositeNode

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  • org.drools.compiler.xml.processes.CompositeNodeHandler
  • org.drools.compiler.xml.processes.InPortHandler
  • org.drools.compiler.xml.processes.OutPortHandler
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  • org.drools.jpdl.JpdlProcessValidator
  • org.drools.process.EventTest
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  • org.drools.workflow.core.impl.ConnectionImpl
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