Examples of VariableScopeInstance

Examples of org.drools.process.instance.context.variable.VariableScopeInstance

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            List<NodeInstance> nodeInstances = new ArrayList<NodeInstance>();
            for (Object o: collection) {
                String variableName = getForEachNode().getVariableName();
                CompositeNodeInstance nodeInstance = (CompositeNodeInstance)
                    ((NodeInstanceContainer) getNodeInstanceContainer()).getNodeInstance(getForEachSplitNode().getTo().getTo());
                VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                    nodeInstance.resolveContextInstance(VariableScope.VARIABLE_SCOPE, variableName);
                variableScopeInstance.setVariable(variableName, o);
                nodeInstances.add(nodeInstance);
            }
            for (NodeInstance nodeInstance: nodeInstances) {
                ((org.drools.workflow.instance.NodeInstance) nodeInstance).trigger(this, getForEachSplitNode().getTo().getToType());
            }
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Examples of org.drools.process.instance.context.variable.VariableScopeInstance

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        }
       
        private Collection<?> evaluateCollectionExpression(String collectionExpression) {
            // TODO: should evaluate this expression using MVEL
          Object collection = null;
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                resolveContextInstance(VariableScope.VARIABLE_SCOPE, collectionExpression);
            if (variableScopeInstance != null) {
              collection = variableScopeInstance.getVariable(collectionExpression);
            } else {
              try {
                collection = MVEL.eval(collectionExpression, new NodeInstanceResolverFactory(this));
              } catch (Throwable t) {
                throw new IllegalArgumentException(
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Examples of org.drools.process.instance.context.variable.VariableScopeInstance

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                }
                String n = join.getN();
                Integer number = null;
                if (n.startsWith("#{") && n.endsWith("}")) {
                  n = n.substring(2, n.length() - 1);
                  VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                    resolveContextInstance(VariableScope.VARIABLE_SCOPE, n);
                  if (variableScopeInstance == null) {
                    throw new IllegalArgumentException(
                    "Could not find variable " + n + " when executing join.");
                  }
                  Object value = variableScopeInstance.getVariable(n);
                  if (value instanceof Number) {
                    number = ((Number) value).intValue();
                  } else {
                    throw new IllegalArgumentException(
                    "Variable " + n + " did not return a number when executing join: " + value);
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Examples of org.drools.process.instance.context.variable.VariableScopeInstance

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    private static final long serialVersionUID = 400L;

    public void signalEvent(String type, Object event) {
      String variableName = getEventNode().getVariableName();
      if (variableName != null) {
        VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
          resolveContextInstance(VariableScope.VARIABLE_SCOPE, variableName);
        if (variableScopeInstance == null) {
          throw new IllegalArgumentException(
          "Could not find variable for event node: " + variableName);
        }
        EventTransformer transformer = getEventNode().getEventTransformer();
        if (transformer != null) {
          event = transformer.transformEvent(event);
        }
        variableScopeInstance.setVariable(variableName, event);
      }
      trigger(null, null);
    }
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Examples of org.drools.process.instance.context.variable.VariableScopeInstance

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        ((WorkItem) workItem).setProcessInstanceId(getProcessInstance().getId());
        ((WorkItem) workItem).setParameters(new HashMap<String, Object>(work.getParameters()));
        for (Iterator<Map.Entry<String, String>> iterator = workItemNode.getInMappings().entrySet().iterator(); iterator.hasNext(); ) {
            Map.Entry<String, String> mapping = iterator.next();
            Object parameterValue = null;
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                resolveContextInstance(VariableScope.VARIABLE_SCOPE, mapping.getValue());
            if (variableScopeInstance != null) {
              parameterValue = variableScopeInstance.getVariable(mapping.getValue());
            } else {
              try {
                parameterValue = MVEL.eval(mapping.getValue(), new NodeInstanceResolverFactory(this));
              } catch (Throwable t) {
                  System.err.println("Could not find variable scope for variable " + mapping.getValue());
                  System.err.println("when trying to execute Work Item " + work.getName());
                  System.err.println("Continuing without setting parameter.");
              }
            }
            if (parameterValue != null) {
              ((WorkItem) workItem).setParameter(mapping.getKey(), parameterValue);
            }
        }
        for (Map.Entry<String, Object> entry: workItem.getParameters().entrySet()) {
          if (entry.getValue() instanceof String) {
            String s = (String) entry.getValue();
            Map<String, String> replacements = new HashMap<String, String>();
            Matcher matcher = PARAMETER_MATCHER.matcher(s);
                while (matcher.find()) {
                  String paramName = matcher.group(1);
                  if (replacements.get(paramName) == null) {
                  VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                      resolveContextInstance(VariableScope.VARIABLE_SCOPE, paramName);
                    if (variableScopeInstance != null) {
                        Object variableValue = variableScopeInstance.getVariable(paramName);
                      String variableValueString = variableValue == null ? "" : variableValue.toString();
                      replacements.put(paramName, variableValueString);
                    } else {
                      try {
                        Object variableValue = MVEL.eval(paramName, new NodeInstanceResolverFactory(this));
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Examples of org.drools.process.instance.context.variable.VariableScopeInstance

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    }

    public void triggerCompleted(WorkItem workItem) {
        for (Iterator<Map.Entry<String, String>> iterator = getWorkItemNode().getOutMappings().entrySet().iterator(); iterator.hasNext(); ) {
            Map.Entry<String, String> mapping = iterator.next();
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                resolveContextInstance(VariableScope.VARIABLE_SCOPE, mapping.getValue());
            if (variableScopeInstance != null) {
              Object value = workItem.getResult(mapping.getKey());
              if (value == null) {
                try {
                    value = MVEL.eval(mapping.getKey(), new WorkItemResolverFactory(workItem));
                  } catch (Throwable t) {
                    // do nothing
                  }
              }
                variableScopeInstance.setVariable(mapping.getValue(), value);
            } else {
                System.err.println("Could not find variable scope for variable " + mapping.getValue());
                System.err.println("when trying to complete Work Item " + workItem.getName());
                System.err.println("Continuing without setting variable.");
            }
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Examples of org.drools.process.instance.context.variable.VariableScopeInstance

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    protected Object getFaultData() {
      Object value = null;
      String faultVariable = getFaultNode().getFaultVariable();
      if (faultVariable != null) {
        VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
              resolveContextInstance(VariableScope.VARIABLE_SCOPE, faultVariable);
            if (variableScopeInstance != null) {
                value = variableScopeInstance.getVariable(faultVariable);
            } else {
                System.err.println("Could not find variable scope for variable " + faultVariable);
                System.err.println("when trying to execute fault node " + getFaultNode().getName());
                System.err.println("Continuing without setting value.");
            }
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Examples of org.drools.process.instance.context.variable.VariableScopeInstance

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    stream.writeLong(workFlow.getId());
    stream.writeUTF(workFlow.getProcessId());
    stream.writeInt(workFlow.getState());
    stream.writeLong(workFlow.getNodeInstanceCounter());
   
    VariableScopeInstance variableScopeInstance = (VariableScopeInstance) workFlow.getContextInstance( VariableScope.VARIABLE_SCOPE );
        Map<String, Object> variables = variableScopeInstance.getVariables();
        List<String> keys = new ArrayList<String>( variables.keySet() );
        Collections.sort( keys,
                          new Comparator<String>() {
                              public int compare(String o1,
                                                 String o2) {
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Examples of org.drools.process.instance.context.variable.VariableScopeInstance

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                  stream.writeInt( triggers.get( key ) );
              }
          } else if ( nodeInstance instanceof CompositeContextNodeInstance ) {
              stream.writeShort( PersisterEnums.COMPOSITE_NODE_INSTANCE );
              CompositeContextNodeInstance compositeNodeInstance = (CompositeContextNodeInstance) nodeInstance;
              VariableScopeInstance variableScopeInstance = (VariableScopeInstance) compositeNodeInstance.getContextInstance( VariableScope.VARIABLE_SCOPE );
              Map<String, Object> variables = variableScopeInstance.getVariables();
              List<String> keys = new ArrayList<String>( variables.keySet() );
              Collections.sort( keys,
                                new Comparator<String>() {
                                    public int compare(String o1,
                                                       String o2) {
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Examples of org.drools.process.instance.context.variable.VariableScopeInstance

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        long nodeInstanceCounter = stream.readLong();
        processInstance.setWorkingMemory( wm );

        int nbVariables = stream.readInt();
        if ( nbVariables > 0 ) {
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance) processInstance.getContextInstance( VariableScope.VARIABLE_SCOPE );
            for ( int i = 0; i < nbVariables; i++ ) {
                String name = stream.readUTF();
                try {
                    Object value = stream.readObject();
                    variableScopeInstance.setVariable( name,
                                                       value );
                } catch ( ClassNotFoundException e ) {
                    throw new IllegalArgumentException( "Could not reload variable " + name );
                }
            }
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