How to use

sortApplicationsByMostRecent

method

in

org.apache.slider.common.tools.SliderUtils

/**
 * Find a cluster in the instance list; biased towards live instances
 * @param instances list of instances
 * @param appname application name
 * @return the first found instance, else a failed/finished instance, or null
 * if there are none of those
 */
public ApplicationReport findClusterInInstanceList(List<ApplicationReport> instances,
                          String appname) {
 Preconditions.checkArgument(instances != null, "Null instances list");
 Preconditions.checkArgument(StringUtils.isNotEmpty(appname),
   "Null/empty application name");
 // sort by most recent
 SliderUtils.sortApplicationsByMostRecent(instances);
 ApplicationReport found = null;
 for (ApplicationReport app : instances) {
  if (app.getName().equals(appname)) {
   if (isApplicationLive(app)) {
    return app;
   }
   // set the found value if not set
   found = found != null ? found : app;
  }
 }
 return found;
}

/**
 * Find a cluster in the instance list; biased towards live instances
 * @param instances list of instances
 * @param appname application name
 * @return the first found instance, else a failed/finished instance, or null
 * if there are none of those
 */
public ApplicationReport findClusterInInstanceList(List<ApplicationReport> instances,
                          String appname) {
 Preconditions.checkArgument(instances != null, "Null instances list");
 Preconditions.checkArgument(StringUtils.isNotEmpty(appname),
   "Null/empty application name");
 // sort by most recent
 SliderUtils.sortApplicationsByMostRecent(instances);
 ApplicationReport found = null;
 for (ApplicationReport app : instances) {
  if (app.getName().equals(appname)) {
   if (isApplicationLive(app)) {
    return app;
   }
   // set the found value if not set
   found = found != null ? found : app;
  }
 }
 return found;
}

SliderUtils.sortApplicationsByMostRecent(rmInstances);
Map<String, ApplicationReport> reportMap =
  SliderUtils.buildApplicationReportMap(rmInstances, minAppState,

SliderUtils.sortApplicationsByMostRecent(rmInstances);
Map<String, ApplicationReport> reportMap =
  SliderUtils.buildApplicationReportMap(rmInstances, minAppState,

sortApplicationsByMostRecent(instances);
Map<String, ApplicationReport> reportMap =
  buildApplicationReportMap(instances, min, max);

sortApplicationsByMostRecent(instances);
Map<String, ApplicationReport> reportMap =
  buildApplicationReportMap(instances, min, max);

@Test
public void testApplicationReportComparison() {
 List<ApplicationReport> instances = getApplicationReports();
 SliderUtils.sortApplicationsByMostRecent(instances);
 Assert.assertEquals(1000, instances.get(0).getStartTime());
 Assert.assertEquals(1000, instances.get(1).getStartTime());
 Assert.assertEquals(1000, instances.get(2).getStartTime());
 Assert.assertEquals(1000, instances.get(3).getStartTime());
 instances = getApplicationReports();
 SliderUtils.sortApplicationReport(instances);
 Assert.assertEquals(1000, instances.get(0).getStartTime());
 Assert.assertEquals(1000, instances.get(1).getStartTime());
 Assert.assertEquals(1000, instances.get(2).getStartTime());
 Assert.assertEquals(1000, instances.get(3).getStartTime());
 Assert.assertTrue(instances.get(0).getYarnApplicationState() == YarnApplicationState.ACCEPTED ||
          instances.get(0).getYarnApplicationState() == YarnApplicationState.RUNNING);
 Assert.assertTrue(instances.get(1).getYarnApplicationState() == YarnApplicationState.ACCEPTED ||
          instances.get(1).getYarnApplicationState() == YarnApplicationState.RUNNING);
 Assert.assertTrue(instances.get(2).getYarnApplicationState() == YarnApplicationState.ACCEPTED ||
          instances.get(2).getYarnApplicationState() == YarnApplicationState.RUNNING);
 Assert.assertTrue(instances.get(3).getYarnApplicationState() == YarnApplicationState.KILLED);
}

@Test
public void testApplicationReportComparison() {
 List<ApplicationReport> instances = getApplicationReports();
 SliderUtils.sortApplicationsByMostRecent(instances);
 Assert.assertEquals(1000, instances.get(0).getStartTime());
 Assert.assertEquals(1000, instances.get(1).getStartTime());
 Assert.assertEquals(1000, instances.get(2).getStartTime());
 Assert.assertEquals(1000, instances.get(3).getStartTime());
 instances = getApplicationReports();
 SliderUtils.sortApplicationReport(instances);
 Assert.assertEquals(1000, instances.get(0).getStartTime());
 Assert.assertEquals(1000, instances.get(1).getStartTime());
 Assert.assertEquals(1000, instances.get(2).getStartTime());
 Assert.assertEquals(1000, instances.get(3).getStartTime());
 Assert.assertTrue(instances.get(0).getYarnApplicationState() == YarnApplicationState.ACCEPTED ||
          instances.get(0).getYarnApplicationState() == YarnApplicationState.RUNNING);
 Assert.assertTrue(instances.get(1).getYarnApplicationState() == YarnApplicationState.ACCEPTED ||
          instances.get(1).getYarnApplicationState() == YarnApplicationState.RUNNING);
 Assert.assertTrue(instances.get(2).getYarnApplicationState() == YarnApplicationState.ACCEPTED ||
          instances.get(2).getYarnApplicationState() == YarnApplicationState.RUNNING);
 Assert.assertTrue(instances.get(3).getYarnApplicationState() == YarnApplicationState.KILLED);
}