Examples of org.activiti.engine.impl.el.FixedValue

org.activiti.engine.impl.el.FixedValue
Expression that always returns the same value when getValue is called. Setting of the value is not supported. @author Frederik Heremans

  protected void validateFieldDeclarationsForShell(Element serviceTaskElement, List<FieldDeclaration> fieldDeclarations) {
    boolean shellCommandDefined = false;


    for (FieldDeclaration fieldDeclaration : fieldDeclarations) {
      String fieldName = fieldDeclaration.getName();
      FixedValue fieldFixedValue = (FixedValue) fieldDeclaration.getValue();
      String fieldValue = fieldFixedValue.getExpressionText();


      shellCommandDefined |= fieldName.equals("command");


      if ((fieldName.equals("wait") || fieldName.equals("redirectError") || fieldName.equals("cleanEnv")) && !fieldValue.toLowerCase().equals("true")
              && !fieldValue.toLowerCase().equals("false")) {

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  protected FieldDeclaration parseStringFieldDeclaration(Element fieldDeclarationElement, Element serviceTaskElement, String fieldName) {
    try {
      String fieldValue = getStringValueFromAttributeOrElement("stringValue", "string", fieldDeclarationElement);
      if (fieldValue != null) {
        return new FieldDeclaration(fieldName, Expression.class.getName(), new FixedValue(fieldValue));
      }
    } catch (ActivitiException ae) {
      if (ae.getMessage().contains("multiple elements with tag name")) {
        addError("Multiple string field declarations found", serviceTaskElement);
      } else {

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      if (StringUtils.isNotEmpty(fieldExtension.getExpression())) {
        fieldDeclaration = new FieldDeclaration(fieldExtension.getFieldName(), Expression.class.getName(), 
            expressionManager.createExpression(fieldExtension.getExpression()));
      } else {
        fieldDeclaration = new FieldDeclaration(fieldExtension.getFieldName(), Expression.class.getName(), 
            new FixedValue(fieldExtension.getStringValue()));
      }
      
      fieldDeclarations.add(fieldDeclaration);
    }
    return fieldDeclarations;

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  }


  private ClassDelegate createNoOpServiceTask(ServiceTask serviceTask) {
    List<FieldDeclaration> fieldDeclarations = new ArrayList<FieldDeclaration>();
    fieldDeclarations.add(new FieldDeclaration("name", 
        Expression.class.getName(), new FixedValue(serviceTask.getImplementation())));
    return new ClassDelegate(NoOpServiceTask.class, fieldDeclarations);
  }

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org.activiti.engine.ActivitiException

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