Examples with NodeInstanceContainer org.jbpm.workflow.instance.NodeInstanceContainer used on opensource projects

Example 1 with NodeInstanceContainer

use of org.jbpm.workflow.instance.NodeInstanceContainer in project jbpm by kiegroup.

the class SplitInstance method executeStrategy.

protected void executeStrategy(Split split, String type) {
    // TODO make different strategies for each type
    switch(split.getType()) {
        case Split.TYPE_AND:
            triggerCompleted(org.jbpm.workflow.core.Node.CONNECTION_DEFAULT_TYPE, true);
            break;
        case Split.TYPE_XOR:
            List<Connection> outgoing = split.getDefaultOutgoingConnections();
            int priority = Integer.MAX_VALUE;
            Connection selected = null;
            for (final Iterator<Connection> iterator = outgoing.iterator(); iterator.hasNext(); ) {
                final Connection connection = (Connection) iterator.next();
                ConstraintEvaluator constraint = (ConstraintEvaluator) split.getConstraint(connection);
                if (constraint != null && constraint.getPriority() < priority && !constraint.isDefault()) {
                    try {
                        if (constraint.evaluate(this, connection, constraint)) {
                            selected = connection;
                            priority = constraint.getPriority();
                        }
                    } catch (RuntimeException e) {
                        throw new RuntimeException("Exception when trying to evaluate constraint " + constraint.getName() + " in split " + split.getName(), e);
                    }
                }
            }
            ((NodeInstanceContainer) getNodeInstanceContainer()).removeNodeInstance(this);
            if (selected == null) {
                for (final Iterator<Connection> iterator = outgoing.iterator(); iterator.hasNext(); ) {
                    final Connection connection = (Connection) iterator.next();
                    if (split.isDefault(connection)) {
                        selected = connection;
                        break;
                    }
                }
            }
            if (selected == null) {
                throw new IllegalArgumentException("XOR split could not find at least one valid outgoing connection for split " + getSplit().getName());
            }
            if (!hasLoop(selected.getTo(), split)) {
                setLevel(1);
                ((NodeInstanceContainer) getNodeInstanceContainer()).setCurrentLevel(1);
            }
            triggerConnection(selected);
            break;
        case Split.TYPE_OR:
            ((NodeInstanceContainer) getNodeInstanceContainer()).removeNodeInstance(this);
            outgoing = split.getDefaultOutgoingConnections();
            boolean found = false;
            List<NodeInstanceTrigger> nodeInstances = new ArrayList<NodeInstanceTrigger>();
            List<Connection> outgoingCopy = new ArrayList<Connection>(outgoing);
            while (!outgoingCopy.isEmpty()) {
                priority = Integer.MAX_VALUE;
                Connection selectedConnection = null;
                ConstraintEvaluator selectedConstraint = null;
                for (final Iterator<Connection> iterator = outgoingCopy.iterator(); iterator.hasNext(); ) {
                    final Connection connection = (Connection) iterator.next();
                    ConstraintEvaluator constraint = (ConstraintEvaluator) split.getConstraint(connection);
                    if (constraint != null && constraint.getPriority() < priority && !constraint.isDefault()) {
                        priority = constraint.getPriority();
                        selectedConnection = connection;
                        selectedConstraint = constraint;
                    }
                }
                if (selectedConstraint == null) {
                    break;
                }
                if (selectedConstraint.evaluate(this, selectedConnection, selectedConstraint)) {
                    nodeInstances.add(new NodeInstanceTrigger(followConnection(selectedConnection), selectedConnection.getToType()));
                    found = true;
                }
                outgoingCopy.remove(selectedConnection);
            }
            for (NodeInstanceTrigger nodeInstance : nodeInstances) {
                // stop if this process instance has been aborted / completed
                if (getProcessInstance().getState() != ProcessInstance.STATE_ACTIVE) {
                    return;
                }
                triggerNodeInstance(nodeInstance.getNodeInstance(), nodeInstance.getToType());
            }
            if (!found) {
                for (final Iterator<Connection> iterator = outgoing.iterator(); iterator.hasNext(); ) {
                    final Connection connection = (Connection) iterator.next();
                    ConstraintEvaluator constraint = (ConstraintEvaluator) split.getConstraint(connection);
                    if (constraint != null && constraint.isDefault() || split.isDefault(connection)) {
                        triggerConnection(connection);
                        found = true;
                        break;
                    }
                }
            }
            if (!found) {
                throw new IllegalArgumentException("OR split could not find at least one valid outgoing connection for split " + getSplit().getName());
            }
            break;
        case Split.TYPE_XAND:
            ((org.jbpm.workflow.instance.NodeInstanceContainer) getNodeInstanceContainer()).removeNodeInstance(this);
            Node node = getNode();
            List<Connection> connections = null;
            if (node != null) {
                connections = node.getOutgoingConnections(type);
            }
            if (connections == null || connections.isEmpty()) {
                ((org.jbpm.workflow.instance.NodeInstanceContainer) getNodeInstanceContainer()).nodeInstanceCompleted(this, type);
            } else {
                ExclusiveGroupInstance groupInstance = new ExclusiveGroupInstance();
                org.kie.api.runtime.process.NodeInstanceContainer parent = getNodeInstanceContainer();
                if (parent instanceof ContextInstanceContainer) {
                    ((ContextInstanceContainer) parent).addContextInstance(ExclusiveGroup.EXCLUSIVE_GROUP, groupInstance);
                } else {
                    throw new IllegalArgumentException("An Exclusive AND is only possible if the parent is a context instance container");
                }
                Map<org.jbpm.workflow.instance.NodeInstance, String> nodeInstancesMap = new HashMap<org.jbpm.workflow.instance.NodeInstance, String>();
                for (Connection connection : connections) {
                    nodeInstancesMap.put(followConnection(connection), connection.getToType());
                }
                for (NodeInstance nodeInstance : nodeInstancesMap.keySet()) {
                    groupInstance.addNodeInstance(nodeInstance);
                }
                for (Map.Entry<org.jbpm.workflow.instance.NodeInstance, String> entry : nodeInstancesMap.entrySet()) {
                    // stop if this process instance has been aborted / completed
                    if (getProcessInstance().getState() != ProcessInstance.STATE_ACTIVE) {
                        return;
                    }
                    boolean hidden = false;
                    if (getNode().getMetaData().get("hidden") != null) {
                        hidden = true;
                    }
                    InternalKnowledgeRuntime kruntime = getProcessInstance().getKnowledgeRuntime();
                    if (!hidden) {
                        ((InternalProcessRuntime) kruntime.getProcessRuntime()).getProcessEventSupport().fireBeforeNodeLeft(this, kruntime);
                    }
                    ((org.jbpm.workflow.instance.NodeInstance) entry.getKey()).trigger(this, entry.getValue());
                    if (!hidden) {
                        ((InternalProcessRuntime) kruntime.getProcessRuntime()).getProcessEventSupport().fireAfterNodeLeft(this, kruntime);
                    }
                }
            }
            break;
        default:
            throw new IllegalArgumentException("Illegal split type " + split.getType());
    }
}

Example 2 with NodeInstanceContainer

use of org.jbpm.workflow.instance.NodeInstanceContainer in project jbpm by kiegroup.

the class EventSubProcessNodeInstance method nodeInstanceCompleted.

@Override
public void nodeInstanceCompleted(org.jbpm.workflow.instance.NodeInstance nodeInstance, String outType) {
    if (nodeInstance instanceof EndNodeInstance) {
        if (getCompositeNode().isKeepActive()) {
            StartNode startNode = getCompositeNode().findStartNode();
            triggerCompleted(true);
            if (startNode.isInterrupting()) {
                String faultName = getProcessInstance().getOutcome() == null ? "" : getProcessInstance().getOutcome();
                if (startNode.getMetaData("FaultCode") != null) {
                    faultName = (String) startNode.getMetaData("FaultCode");
                }
                if (getNodeInstanceContainer() instanceof ProcessInstance) {
                    ((ProcessInstance) getProcessInstance()).setState(ProcessInstance.STATE_ABORTED, faultName);
                } else {
                    ((NodeInstanceContainer) getNodeInstanceContainer()).setState(ProcessInstance.STATE_ABORTED);
                }
            }
        }
    } else {
        throw new IllegalArgumentException("Completing a node instance that has no outgoing connection not supported.");
    }
}

Example 3 with NodeInstanceContainer

use of org.jbpm.workflow.instance.NodeInstanceContainer in project jbpm by kiegroup.

the class FaultNodeInstance method internalTrigger.

public void internalTrigger(final NodeInstance from, String type) {
    if (!org.jbpm.workflow.core.Node.CONNECTION_DEFAULT_TYPE.equals(type)) {
        throw new IllegalArgumentException("A FaultNode only accepts default incoming connections!");
    }
    String faultName = getFaultName();
    ExceptionScopeInstance exceptionScopeInstance = getExceptionScopeInstance(faultName);
    NodeInstanceContainer nodeInstanceContainer = (NodeInstanceContainer) getNodeInstanceContainer();
    nodeInstanceContainer.removeNodeInstance(this);
    boolean exceptionHandled = false;
    if (getFaultNode().isTerminateParent()) {
        // handle exception before canceling nodes to allow boundary event to catch the events
        if (exceptionScopeInstance != null) {
            exceptionHandled = true;
            handleException(faultName, exceptionScopeInstance);
        }
        if (nodeInstanceContainer instanceof CompositeNodeInstance) {
            ((CompositeNodeInstance) nodeInstanceContainer).cancel();
        } else if (nodeInstanceContainer instanceof WorkflowProcessInstance) {
            Collection<NodeInstance> nodeInstances = ((WorkflowProcessInstance) nodeInstanceContainer).getNodeInstances();
            for (NodeInstance nodeInstance : nodeInstances) {
                ((org.jbpm.workflow.instance.NodeInstance) nodeInstance).cancel();
            }
        }
    }
    if (exceptionScopeInstance != null) {
        if (!exceptionHandled) {
            handleException(faultName, exceptionScopeInstance);
        }
    } else {
        ((ProcessInstance) getProcessInstance()).setState(ProcessInstance.STATE_ABORTED, faultName, getFaultData());
    }
}

Example 4 with NodeInstanceContainer

use of org.jbpm.workflow.instance.NodeInstanceContainer in project jbpm by kiegroup.

the class BoundaryEventNodeInstance method signalEvent.

@Override
public void signalEvent(String type, Object event) {
    BoundaryEventNode boundaryNode = (BoundaryEventNode) getEventNode();
    String attachedTo = boundaryNode.getAttachedToNodeId();
    Collection<NodeInstance> nodeInstances = ((NodeInstanceContainer) getNodeInstanceContainer()).getNodeInstances();
    if (type != null && type.startsWith("Compensation")) {
        // if not active && completed, signal
        if (!isAttachedToNodeActive(nodeInstances, attachedTo, type, event) && isAttachedToNodeCompleted(attachedTo)) {
            super.signalEvent(type, event);
        } else {
            cancel();
        }
    } else {
        if (isAttachedToNodeActive(nodeInstances, attachedTo, type, event)) {
            super.signalEvent(type, event);
        } else {
            cancel();
        }
    }
}

Example 5 with NodeInstanceContainer

use of org.jbpm.workflow.instance.NodeInstanceContainer in project jbpm by kiegroup.

the class MigrateProcessInstanceCommand method updateNodeInstances.

private void updateNodeInstances(NodeInstanceContainer nodeInstanceContainer, Map<String, Long> nodeMapping) {
    for (NodeInstance nodeInstance : nodeInstanceContainer.getNodeInstances()) {
        String oldNodeId = ((NodeImpl) ((org.jbpm.workflow.instance.NodeInstance) nodeInstance).getNode()).getUniqueId();
        Long newNodeId = nodeMapping.get(oldNodeId);
        if (newNodeId == null) {
            newNodeId = nodeInstance.getNodeId();
        }
        ((NodeInstanceImpl) nodeInstance).setNodeId(newNodeId);
        if (nodeInstance instanceof NodeInstanceContainer) {
            updateNodeInstances((NodeInstanceContainer) nodeInstance, nodeMapping);
        }
    }
}