Package org.drools.workflow.core.node

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

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        ruleSet3.setRuleFlowGroup( "rule-flow-group-3" );
        ruleSet3.setId(5);
        final Split split = new Split();
        split.setType( Split.TYPE_XOR );
        split.setId(6);
        final Join join = new Join();
        join.setType( Join.TYPE_XOR );
        join.setId(7);
        final EndNode end = new EndNode();
        end.setId(8);
        // connections
        new ConnectionImpl( start,
                            Node.CONNECTION_DEFAULT_TYPE,
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import org.xml.sax.SAXException;

public class JoinNodeHandler extends AbstractNodeHandler {

    protected Node createNode() {
        return new Join();
    }
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    public void handleNode(final Node node, final Element element, final String uri,
            final String localName, final ExtensibleXmlParser parser)
            throws SAXException {
        super.handleNode(node, element, uri, localName, parser);
        Join joinNode = (Join) node;
        String type = element.getAttribute("type");
        if (type != null && type.length() != 0 ) {
            joinNode.setType(new Integer(type));
        }
        String n = element.getAttribute("n");
        if (n != null && n.length() != 0 ) {
            joinNode.setN(n);
        }
    }
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    public Class generateNodeFor() {
        return Join.class;
    }

  public void writeNode(Node node, StringBuffer xmlDump, boolean includeMeta) {
    Join joinNode = (Join) node;
    writeNode("join", joinNode, xmlDump, includeMeta);
        int type = joinNode.getType();
        if (type != 0) {
            xmlDump.append("type=\"" + type + "\" ");
        }
        if (type == Join.TYPE_N_OF_M) {
          String n = joinNode.getN();
          if (n != null && n.length() != 0) {
              xmlDump.append("n=\"" + n + "\" ");
          }
        }
        endNode(xmlDump);
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        };
        process.addNode(new StartNode());
        process.addNode(new EndNode());
        process.addNode(new ActionNode());
        process.addNode(new Split());
        process.addNode(new Join());
        process.addNode(new MilestoneNode());
        process.addNode(new RuleSetNode());
        process.addNode(new SubProcessNode());
        process.addNode(new WorkItemNode());
        process.addNode(new TimerNode());
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        EventTypeFilter eventFilter = new EventTypeFilter();
        eventFilter.setType("eventType");
        eventNode.addEventFilter(eventFilter);
        process.addNode(eventNode);
       
        Join join = new Join();
        join.setName("join");
        join.setMetaData("x", 1);
        join.setMetaData("y", 2);
        join.setMetaData("width", 3);
        join.setMetaData("height", 4);
        join.setType(Join.TYPE_N_OF_M);
        join.setN("#{var1}");
        process.addNode(join);
        new ConnectionImpl(actionNode, Node.CONNECTION_DEFAULT_TYPE, join, Node.CONNECTION_DEFAULT_TYPE);
        new ConnectionImpl(ruleSetNode, Node.CONNECTION_DEFAULT_TYPE, join, Node.CONNECTION_DEFAULT_TYPE);
        new ConnectionImpl(eventNode, Node.CONNECTION_DEFAULT_TYPE, join, Node.CONNECTION_DEFAULT_TYPE);
       
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                                "Split node '" + node.getName() + "' [" + node.getId() + "] does not have a constraint for " + connection.toString() + "."));
                        }
                    }
                }
            } else if ( node instanceof Join ) {
                final Join join = (Join) node;
                if (join.getType() == Join.TYPE_UNDEFINED) {
                    errors.add(new ProcessValidationErrorImpl(process,
                        "Join node '" + node.getName() + "' [" + node.getId() + "] has no type."));
                }
                if (join.getDefaultIncomingConnections().size() < 2) {
                    errors.add(new ProcessValidationErrorImpl(process,
                        "Join node '" + node.getName() + "' [" + node.getId() + "] does not have more than one incoming connection: " + join.getIncomingConnections().size() + "."));
                }
                if (join.getTo() == null) {
                    errors.add(new ProcessValidationErrorImpl(process,
                        "Join node '" + node.getName() + "' [" + node.getId() + "] has no outgoing connection."));
                }
            } else if (node instanceof MilestoneNode) {
                final MilestoneNode milestone = (MilestoneNode) node;
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    public void internalTrigger(final NodeInstance from, String type) {
        if (!org.drools.workflow.core.Node.CONNECTION_DEFAULT_TYPE.equals(type)) {
            throw new IllegalArgumentException(
                "An ActionNode only accepts default incoming connections!");
        }
        final Join join = getJoin();
        switch ( join.getType() ) {
            case Join.TYPE_XOR :
                triggerCompleted();
                break;
            case Join.TYPE_AND :
                Integer count = (Integer) this.triggers.get( from.getNodeId() );
                if ( count == null ) {
                    this.triggers.put( from.getNodeId(),
                                       1 );
                } else {
                    this.triggers.put( from.getNodeId(),
                                       count.intValue() + 1 );
                }
                if (checkAllActivated()) {
                    decreaseAllTriggers();
                    triggerCompleted();
                }
                break;
            case Join.TYPE_DISCRIMINATOR :
                boolean triggerCompleted = triggers.isEmpty();
                triggers.put( from.getNodeId(), new Integer( 1 ) );
                if (checkAllActivated()) {
                    resetAllTriggers();
                }
                if (triggerCompleted) {
                    triggerCompleted();
                }
                break;
            default :
                throw new IllegalArgumentException( "Illegal join type " + join.getType() );
        }
    }
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        };
        process.addNode(new StartNode());
        process.addNode(new EndNode());
        process.addNode(new ActionNode());
        process.addNode(new Split());
        process.addNode(new Join());
        process.addNode(new MilestoneNode());
        process.addNode(new RuleSetNode());
        process.addNode(new SubProcessNode());
        process.addNode(new WorkItemNode());
        process.addNode(new TimerNode());
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        EventTypeFilter eventFilter = new EventTypeFilter();
        eventFilter.setType("eventType");
        eventNode.addEventFilter(eventFilter);
        process.addNode(eventNode);
       
        Join join = new Join();
        join.setName("join");
        join.setMetaData("x", 1);
        join.setMetaData("y", 2);
        join.setMetaData("width", 3);
        join.setMetaData("height", 4);
        join.setType(Join.TYPE_N_OF_M);
        join.setN("#{var1}");
        process.addNode(join);
        new ConnectionImpl(actionNode, Node.CONNECTION_DEFAULT_TYPE, join, Node.CONNECTION_DEFAULT_TYPE);
        new ConnectionImpl(ruleSetNode, Node.CONNECTION_DEFAULT_TYPE, join, Node.CONNECTION_DEFAULT_TYPE);
        new ConnectionImpl(eventNode, Node.CONNECTION_DEFAULT_TYPE, join, Node.CONNECTION_DEFAULT_TYPE);
       
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Related Classes of org.drools.workflow.core.node.Join

  • org.drools.bpmn2.legacy.beta1.ComplexGatewayHandler
  • org.drools.bpmn2.legacy.beta1.ExclusiveGatewayHandler
  • org.drools.bpmn2.legacy.beta1.JoinHandler
  • org.drools.bpmn2.legacy.beta1.ParallelGatewayHandler
  • org.drools.bpmn2.xml.ComplexGatewayHandler
  • org.drools.bpmn2.xml.ExclusiveGatewayHandler
  • org.drools.bpmn2.xml.JoinHandler
  • org.drools.bpmn2.xml.ParallelGatewayHandler
  • org.drools.compiler.xml.processes.JoinNodeHandler
  • org.drools.compiler.xml.processes.XMLPersistenceTest
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