package com.thinkbiganalytics.metadata.sla;
/*-
* #%L
* thinkbig-operational-metadata-integration-service
* %%
* 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.modeshape.JcrMetadataAccess;
import com.thinkbiganalytics.metadata.sla.api.AssessmentResult;
import com.thinkbiganalytics.metadata.sla.api.ServiceLevelAgreement;
import com.thinkbiganalytics.metadata.sla.api.ServiceLevelAssessment;
import com.thinkbiganalytics.metadata.sla.spi.core.DefaultServiceLevelAgreementChecker;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
/**
* SLA Checker that will lookup the SLA data from JCR and use it with the JPA SLA Assessments.
*/
public class JpaJcrServiceLevelAgreementChecker extends DefaultServiceLevelAgreementChecker {
private static final Logger LOG = LoggerFactory.getLogger(JpaJcrServiceLevelAgreementChecker.class);
@Inject
JcrMetadataAccess jcrMetadataAccess;
/**
* Runs the assessment provider on the provided agreement and acts accordingly.
*
* @param agreement The agreement to assess
* @param assessment The strategy of assessment
* @return true if the assessment succeeds or is not found
*/
@Override
protected boolean shouldAlert(ServiceLevelAgreement agreement, ServiceLevelAssessment assessment) {
boolean shouldAlert = false;
try {
shouldAlert = jcrMetadataAccess.read(() -> {
// Get the last assessment that was created for this SLA (if any).
ServiceLevelAssessment previous = this.assessmentProvider.findLatestAssessmentNotEqualTo(agreement.getId(), assessment.getId());
if (previous != null) {
assessmentProvider.ensureServiceLevelAgreementOnAssessment(previous);
LOG.debug("found previous assessment {} ", previous.getClass());
return (!assessment.getResult().equals(AssessmentResult.SUCCESS) && assessment.compareTo(previous) != 0);
} else {
return !assessment.getResult().equals(AssessmentResult.SUCCESS);
}
});
} catch (Exception e) {
LOG.error("Error checking shouldAlert for {}. {} ", agreement.getName(), e.getMessage(), e);
}
return shouldAlert;
}
private boolean isAssessable(ServiceLevelAgreement agreement) {
// TODO: validate that this is a kind of agreement that we assess. Assume we assess all SLAs for now.
return true;
}
}