@Override public DescribeClusterResult describeClusterRequest(AmazonElasticMapReduceClient emrClient, DescribeClusterRequest describeClusterRequest) { if (describeClusterRequest.getClusterId().equalsIgnoreCase(MockAwsOperationsHelper.AMAZON_SERVICE_EXCEPTION)) { throw new AmazonServiceException(MockAwsOperationsHelper.AMAZON_SERVICE_EXCEPTION); } MockEmrJobFlow cluster = getClusterById(describeClusterRequest.getClusterId()); if (cluster != null) { return new DescribeClusterResult().withCluster(new Cluster().withId(cluster.getJobFlowId()).withName(cluster.getJobFlowName()).withStatus( new ClusterStatus().withState(cluster.getStatus()).withStateChangeReason( new ClusterStateChangeReason().withCode(cluster.getStatusChangeReason().getCode()) .withMessage(cluster.getStatusChangeReason().getMessage())).withTimeline(new ClusterTimeline().withCreationDateTime( cluster.getStatusTimeline().getCreationTime() != null ? cluster.getStatusTimeline().getCreationTime().toGregorianCalendar().getTime() : null).withEndDateTime( cluster.getStatusTimeline().getEndTime() != null ? cluster.getStatusTimeline().getEndTime().toGregorianCalendar().getTime() : null) .withReadyDateTime( cluster.getStatusTimeline().getReadyTime() != null ? cluster.getStatusTimeline().getReadyTime().toGregorianCalendar().getTime() : null)))); } else { return null; } }