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.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 org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.Serializable;
import javax.inject.Inject;
/**
* SLA assessor used to asses the {@link FeedFailedMetric} and violate the SLA if the feed fails
*/
public class FeedFailureMetricAssessor implements MetricAssessor<FeedFailedMetric, Serializable> {
private static final Logger log = LoggerFactory.getLogger(FeedFailureMetricAssessor.class);
@Inject
private FeedFailureService feedFailureService;
@Override
public boolean accepts(Metric metric) {
return metric instanceof FeedFailedMetric;
}
@Override
public void assess(FeedFailedMetric metric, MetricAssessmentBuilder<Serializable> builder) {
builder.metric(metric);
String feedName = metric.getFeedName();
if (feedFailureService.hasFailure(feedName)) {
builder.message("Feed " + feedName + " has failed ")
.result(AssessmentResult.FAILURE);
} else {
builder.message("Feed " + feedName + " has succeeded ")
.result(AssessmentResult.SUCCESS);
}
}
}