/*
    * Copyright 2009-2010 the original author or authors.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.springframework.batch.admin.jmx;
  
  import java.util.Date;
  
  import org.springframework.jmx.export.annotation.ManagedAttribute;
  import org.springframework.jmx.export.annotation.ManagedMetric;
  import org.springframework.jmx.support.MetricType;
  
  /**
   * @author Dave Syer
   *
   */
  public interface JobExecutionMetrics {
  
  	@ManagedMetric(metricType = MetricType.COUNTER, description = "Job Execution Count")
  	int getExecutionCount();
  
  	@ManagedMetric(metricType = MetricType.COUNTER, description = "Job Execution Failure Count")
  	int getFailureCount();
  
  	@ManagedMetric(metricType = MetricType.GAUGE, description = "Latest Duration Milliseconds")
  	double getLatestDuration();
  
  	@ManagedMetric(metricType = MetricType.GAUGE, description = "Mean Duration Milliseconds")
  	double getMeanDuration();
  
  	@ManagedMetric(metricType = MetricType.GAUGE, description = "Max Duration Milliseconds")
  	double getMaxDuration();
  
  	@ManagedAttribute(description = "Latest Job Execution ID")
  	long getLatestExecutionId();
  
  	@ManagedAttribute(description = "Latest Start Time")
  	Date getLatestStartTime();
  
  	@ManagedAttribute(description = "Latest End Time")
  	Date getLatestEndTime();
  
  	@ManagedAttribute(description = "Latest Exit Code")
  	String getLatestExitCode();
  
  	@ManagedAttribute(description = "Latest Status")
  	String getLatestStatus();
  
  	@ManagedAttribute(description = "Latest Step Execution Exit Description")
  	String getLatestStepExitDescription();
  
  	@ManagedAttribute(description = "Latest Step Execution Step Name")
  	String getLatestStepName();
  
  	@ManagedAttribute(description = "Check if there is a Running Job Execution")
  	boolean isJobRunning();
  
  }