/**
*
*/
package com.thinkbiganalytics.metadata.sla.api.core;
/*-
* #%L
* thinkbig-sla-metrics-default
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* 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.
* #L%
*/
import com.thinkbiganalytics.metadata.api.MetadataAccess;
import com.thinkbiganalytics.metadata.api.feed.OpsManagerFeedProvider;
import com.thinkbiganalytics.metadata.api.jobrepo.job.BatchJobExecution;
import com.thinkbiganalytics.metadata.api.jobrepo.job.BatchJobExecutionProvider;
import com.thinkbiganalytics.metadata.sla.api.AssessmentResult;
import com.thinkbiganalytics.metadata.sla.api.Metric;
import com.thinkbiganalytics.metadata.sla.spi.MetricAssessmentBuilder;
import com.thinkbiganalytics.metadata.sla.spi.MetricAssessor;
import com.thinkbiganalytics.scheduler.util.CronExpressionUtil;
import org.joda.time.DateTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.Serializable;
import java.util.Date;
import javax.inject.Inject;
/**
* Metric assessor to assess the {@link FeedOnTimeArrivalMetric}
*/
public class FeedOnTimeArrivalMetricAssessor implements MetricAssessor<FeedOnTimeArrivalMetric, Serializable> {
private static final Logger LOG = LoggerFactory.getLogger(FeedOnTimeArrivalMetricAssessor.class);
@Inject
private OpsManagerFeedProvider feedProvider;
@Inject
private BatchJobExecutionProvider batchJobExecutionProvider;
@Inject
private MetadataAccess metadataAccess;
/* (non-Javadoc)
* @see com.thinkbiganalytics.metadata.sla.spi.MetricAssessor#accepts(com.thinkbiganalytics.metadata.sla.api.Metric)
*/
@Override
public boolean accepts(Metric metric) {
return metric instanceof FeedOnTimeArrivalMetric;
}
/* (non-Javadoc)
* @see com.thinkbiganalytics.metadata.sla.spi.MetricAssessor#assess(com.thinkbiganalytics.metadata.sla.api.Metric, com.thinkbiganalytics.metadata.sla.spi.MetricAssessmentBuilder)
*/
@Override
@SuppressWarnings("unchecked")
public void assess(FeedOnTimeArrivalMetric metric, MetricAssessmentBuilder builder) {
LOG.debug("Assessing metric: ", metric);
builder.metric(metric);
String feedName = metric.getFeedName();
BatchJobExecution jobExecution = metadataAccess.read(() -> {
return batchJobExecutionProvider.findLatestCompletedJobForFeed(feedName);
});
DateTime lastFeedTime = null;
if (jobExecution != null) {
lastFeedTime = jobExecution.getEndTime();
}
Date expectedDate = CronExpressionUtil.getPreviousFireTime(metric.getExpectedExpression());
DateTime expectedTime = new DateTime(expectedDate);
DateTime lateTime = expectedTime.plus(metric.getLatePeriod());
builder.compareWith(expectedDate, feedName);
if (lastFeedTime == null) {
LOG.debug("Feed with the specified name {} not found", feedName);
builder.message("Feed with the specified name " + feedName + " not found ")
.result(AssessmentResult.WARNING);
} else if (lastFeedTime.isAfter(expectedTime) && lastFeedTime.isBefore(lateTime)) {
LOG.debug("Data for feed {} arrived on {}, which was before late time: ", feedName, lastFeedTime, lateTime);
builder.message("Data for feed " + feedName + " arrived on " + lastFeedTime + ", which was before late time: " + lateTime)
.result(AssessmentResult.SUCCESS);
} else if (DateTime.now().isBefore(lateTime)) {
return;
} else {
LOG.debug("Data for feed {} has not arrived before the late time: ", feedName, lateTime);
builder.message("Data for feed " + feedName + " has not arrived before the late time: " + lateTime + "\n The last successful feed was on " + lastFeedTime)
.result(AssessmentResult.FAILURE);
}
}
public MetadataAccess getMetadataAccess() {
return metadataAccess;
}
public void setMetadataAccess(MetadataAccess metadataAccess) {
this.metadataAccess = metadataAccess;
}
}