Package org.drools.process.instance.context.variable

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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    }

    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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        ((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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    public void triggerCompleted(WorkItem workItem) {
      WorkItemNode workItemNode = getWorkItemNode();
      if (workItemNode != null) {
          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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        stream.writeLong(workFlow.getId());
        stream.writeUTF(workFlow.getProcessId());
        stream.writeInt(workFlow.getState());
        stream.writeLong(workFlow.getNodeInstanceCounter());
        if (includeVariables) {
            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,
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                    stream.writeLong(id);
                }
            } else {
                stream.writeInt(0);
            }
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance) compositeNodeInstance.getContextInstance(VariableScope.VARIABLE_SCOPE);
            if (variableScopeInstance == null) {
              stream.writeInt(0);
            } else {
              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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        processInstance.setWorkingMemory(wm);
        if (includeVariables) {
            int nbVariables = stream.readInt();
            if (nbVariables > 0) {
                Context variableScope = process.getDefaultContext(VariableScope.VARIABLE_SCOPE);
                VariableScopeInstance variableScopeInstance = (VariableScopeInstance) processInstance.getContextInstance(variableScope);
                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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            case PersisterEnums.COMPOSITE_NODE_INSTANCE:
            case PersisterEnums.DYNAMIC_NODE_INSTANCE:
                int nbVariables = stream.readInt();
                if (nbVariables > 0) {
                    Context variableScope = ((org.drools.process.core.Process) processInstance.getProcess()).getDefaultContext(VariableScope.VARIABLE_SCOPE);
                    VariableScopeInstance variableScopeInstance = (VariableScopeInstance) ((CompositeContextNodeInstance) nodeInstance).getContextInstance(variableScope);
                    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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    }
   
    public static class ProcessUtils {
     
      public static Object getValue(RuleFlowProcessInstance processInstance, String name) {
        VariableScopeInstance scope = (VariableScopeInstance)
          processInstance.getContextInstance(VariableScope.VARIABLE_SCOPE);
        return scope.getVariable(name);
      }
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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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Related Classes of org.drools.process.instance.context.variable.VariableScopeInstance

  • org.drools.common.AbstractWorkingMemory
  • org.drools.integrationtests.ProcessMarchallingTest
  • org.drools.integrationtests.ProcessMilestoneTest$ProcessUtils
  • org.drools.integrationtests.ProcessSplitTest$ProcessUtils
  • org.drools.integrationtests.ProcessSubProcessTest
  • org.drools.integrationtests.ProcessWorkItemTest
  • org.drools.jpdl.instance.node.JpdlNodeInstance$JpdlExecutionContext
  • org.drools.jpdl.instance.node.ProcessStateInstance
  • org.drools.jpdl.instance.node.TaskUtils
  • org.drools.marshalling.impl.AbstractProcessInstanceMarshaller
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