Package org.jbpm.pvm.internal.script

Examples of org.jbpm.pvm.internal.script.ScriptManager


    Object value = null;
   
    if (variableName!=null) {
      value = subProcessInstance.getVariable(subVariableName);
    } else {
      ScriptManager scriptManager = EnvironmentDefaults.getScriptManager();
      value = scriptManager.evaluateExpression(expression, language);
    }

    superExecution.setVariable(variableName, value);
  }
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  public void produce(ExecutionImpl superExecution, ExecutionImpl subProcessInstance) {
    Object value = null;
    if (variableName!=null) {
      value = superExecution.getVariable(variableName);
    } else {
      ScriptManager scriptManager = EnvironmentDefaults.getScriptManager();
      value = scriptManager.evaluateExpression(expression, language);
    }
   
    subProcessInstance.setVariable(subVariableName, value);
  }
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    String language = null;

    String script = XmlUtil.attribute(element, "expr");
    Element textElement = XmlUtil.element(element, "text");
    if(script!=null) {
      ScriptManager scriptManager = Environment.getFromCurrent(ScriptManager.class);
      language = scriptManager.getDefaultExpressionLanguage();
      if (textElement!=null) {
        parse.addProblem("in <script ...> attribute expr can't be combined with a nexted text element", element);
      }
    } else {
      language = XmlUtil.attribute(element, "lang");
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      Activity activity = execution.getActivity();
      String subProcessActivityName = subProcessInstance.getActivityName();
     
      if (outcomeExpression!=null) {
        ScriptManager scriptManager = Environment.getFromCurrent(ScriptManager.class);
        Object value = scriptManager.evaluateExpression(outcomeExpression, null);
        // if the value is a String and matches the name of an outgoing transition
        if ( (value instanceof String)
             && (activity.hasOutgoingTransition(((String) value)))
           ) {
          // then take that one
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    if (target!=null) {
      invocationTarget = target;

    } else if (targetExpression!=null) {
      ScriptManager scriptManager = EnvironmentDefaults.getScriptManager();
      invocationTarget = scriptManager.evaluateExpression(targetExpression, targetLanguage);
   
    } else {
      throw new JbpmException("no target specified");
    }
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  public Object getInitValue(ExecutionImpl execution) {
    if (initDescriptor!=null) {
      return WireContext.create(initDescriptor);
    }
    if (initExpression!=null) {
      ScriptManager scriptManager = EnvironmentImpl.getFromCurrent(ScriptManager.class);
      return scriptManager.evaluateExpression(initExpression, initLanguage);
    }
    return null;
  }
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      }
    }
  }

  private String evaluateExpression(String expression, Execution execution) {
    ScriptManager scriptManager = EnvironmentImpl.getFromCurrent(ScriptManager.class);
    Object value = scriptManager.evaluateExpression(expression, template.getLanguage());
    if (!(value instanceof String)) {
      throw new JbpmException("expected expression '"
          + expression
          + "' to return string, but was: "
          + value);
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      object = wireContext.create(factoryDescriptor, false);
      if (object==null) {
        throw new WireException("created factory object is null, can't invoke method '"+methodName+"' on it");
      }
    } else if (expr!=null) {
      ScriptManager scriptManager = ScriptManager.getScriptManager();
      object = scriptManager.evaluateExpression(expr, lang);
    }

    if (methodName!=null) {
      try {
        object = invokeMethod(methodName, argDescriptors, wireContext, object, clazz);
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    // loop over all variable definitions
    if (hasVariableOutDefinitions()) {
      for (VariableOutDefinitionImpl variableOutDefinition: variableOutDefinitions) {
        String variableName = variableOutDefinition.getName();
        if (variableName!=null) {
          ScriptManager scriptManager = EnvironmentImpl.getFromCurrent(ScriptManager.class);
         
          // TODO update evaluateExpression so that scopeInstance can be passed in directly
          String expression = variableOutDefinition.getExpression();
          String language = variableOutDefinition.getLanguage();

          Object value = scriptManager.evaluateExpression(expression, language);
          outerExecution.setVariable(variableName, value);
        }
      }
    }
  }
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      }
    }
  }

  protected String resolveAssignmentExpression(String expression, String expressionLanguage) {
    ScriptManager scriptManager = EnvironmentImpl.getFromCurrent(ScriptManager.class);
    Object result = scriptManager.evaluateExpression(expression, expressionLanguage);
    if ( (result ==null)
         || (result instanceof String)
       ) {
      return (String) result;
    }
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