import org.activiti.engine.impl.el.FixedValue; //导入依赖的package包/类
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")) {
      addError("undefined value for shell " + fieldName + " parameter :" + fieldValue.toString(), serviceTaskElement);
    }

  }

  if (!shellCommandDefined) {
    addError("No shell command is defined on the shell activity", serviceTaskElement);
  }
}
 

import org.activiti.engine.impl.el.FixedValue; //导入依赖的package包/类
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 {
      addError("Error when paring field declarations: " + ae.getMessage(), serviceTaskElement);
    }
  }
  return null;
}
 

import org.activiti.engine.impl.el.FixedValue; //导入依赖的package包/类
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);
}
 

import org.activiti.engine.impl.el.FixedValue; //导入依赖的package包/类
public FixedValue getSomeField() {
    return someField;
}
 

import org.activiti.engine.impl.el.FixedValue; //导入依赖的package包/类
public void setSomeField(FixedValue someField) {
    this.someField = someField;
}
 

import org.activiti.engine.impl.el.FixedValue; //导入依赖的package包/类
public FixedValue getSomeField() {
  return someField;
}
 

import org.activiti.engine.impl.el.FixedValue; //导入依赖的package包/类
public void setSomeField(FixedValue someField) {
  this.someField = someField;
}