public static HadoopJarStepConfigUnmarshaller GetInstance()
        {
            if (instance == null)
            {
                instance = new HadoopJarStepConfigUnmarshaller();
            }

            return(instance);
        }
        public StepConfig Unmarshall(UnmarshallerContext context)
        {
            StepConfig stepConfig    = new StepConfig();
            int        originalDepth = context.CurrentDepth;
            int        targetDepth   = originalDepth + 1;

            if (context.IsStartOfDocument)
            {
                targetDepth += 2;
            }

            while (context.Read())
            {
                if (context.IsStartElement || context.IsAttribute)
                {
                    if (context.TestExpression("Name", targetDepth))
                    {
                        stepConfig.Name = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("ActionOnFailure", targetDepth))
                    {
                        stepConfig.ActionOnFailure = StringUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                    if (context.TestExpression("HadoopJarStep", targetDepth))
                    {
                        stepConfig.HadoopJarStep = HadoopJarStepConfigUnmarshaller.GetInstance().Unmarshall(context);

                        continue;
                    }
                }
                else if (context.IsEndElement && context.CurrentDepth < originalDepth)
                {
                    return(stepConfig);
                }
            }

            return(stepConfig);
        }