/**
*
*/
package com.thinkbiganalytics.metadata.jpa.sla;
/*-
* #%L
* thinkbig-operational-metadata-jpa
* %%
* 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.ServiceLevelAgreement;
import com.thinkbiganalytics.metadata.sla.api.ServiceLevelAssessment;
import com.thinkbiganalytics.metadata.sla.spi.ServiceLevelAgreementProvider;
import com.thinkbiganalytics.metadata.sla.spi.ServiceLevelAssessmentProvider;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.io.Serializable;
import java.util.List;
import javax.inject.Inject;
/**
* Provider accessing the {@link JpaServiceLevelAssessment}
*/
@Service
public class JpaServiceLevelAssessmentProvider implements ServiceLevelAssessmentProvider {
private static final Logger log = LoggerFactory.getLogger(JpaServiceLevelAssessmentProvider.class);
private JpaServiceLevelAssessmentRepository serviceLevelAssessmentRepository;
@Inject
private ServiceLevelAgreementProvider slaProvider;
/**
* metadataAccess.commit(() -> { ServiceLevelAgreement sla = slaProvider.getAgreement(slaId);
*/
@Autowired
public JpaServiceLevelAssessmentProvider(JpaServiceLevelAssessmentRepository serviceLevelAssessmentRepository) {
this.serviceLevelAssessmentRepository = serviceLevelAssessmentRepository;
}
public ServiceLevelAssessment.ID resolveId(Serializable ser) {
if (ser instanceof JpaServiceLevelAssessment.ID) {
return (JpaServiceLevelAssessment.ID) ser;
} else {
return new JpaServiceLevelAssessment.SlaAssessmentId(ser);
}
}
/**
* save an sla assessment to the database
*
* @param assessment the assessment to save
* @return the saved assessment
*/
public ServiceLevelAssessment save(ServiceLevelAssessment assessment) {
return this.serviceLevelAssessmentRepository.save((JpaServiceLevelAssessment) assessment);
}
/**
* Find all SLA assessments
*
* @return find all the SLA assessments
*/
@Override
public List<? extends ServiceLevelAssessment> getAssessments() {
return serviceLevelAssessmentRepository.findAll();
}
/**
* find the latest assessment
*
* @param slaId the service level agreement id
* @return the latest assessment for the sla
*/
public ServiceLevelAssessment findLatestAssessment(ServiceLevelAgreement.ID slaId) {
List<? extends ServiceLevelAssessment> latestAssessments = serviceLevelAssessmentRepository.findLatestAssessments(slaId.toString());
if (latestAssessments != null) {
JpaServiceLevelAssessment jpaServiceLevelAssessment = (JpaServiceLevelAssessment) latestAssessments.get(0);
ensureServiceLevelAgreementOnAssessment(jpaServiceLevelAssessment);
return jpaServiceLevelAssessment;
}
return null;
}
/**
* Find the latest SLA that doesn't match the incoming {@code assessmentId}
*
* @param slaId the id to reference
* @param assessmentId the assessment id to cehck
* @return the latest SLA that doesn't match the incoming {@code assessmentId}
*/
@Override
public ServiceLevelAssessment findLatestAssessmentNotEqualTo(ServiceLevelAgreement.ID slaId, ServiceLevelAssessment.ID assessmentId) {
if (assessmentId != null) {
List<? extends ServiceLevelAssessment> latestAssessments = serviceLevelAssessmentRepository.findLatestAssessmentsNotEqualTo(slaId.toString(), assessmentId);
if (latestAssessments != null && !latestAssessments.isEmpty()) {
return latestAssessments.get(0);
} else {
return null;
}
} else {
return findLatestAssessment(slaId);
}
}
/**
* Find a ServiceLevelAssessment by its id
*
* @param id the id of the sla assessment
* @return the matching ServiceLevelAssement
*/
@Override
public ServiceLevelAssessment findServiceLevelAssessment(ServiceLevelAssessment.ID id) {
ServiceLevelAssessment assessment = serviceLevelAssessmentRepository.findOne(id);
return assessment;
}
/**
* Makes sure the Service Level Assessment object has its respective SLA attached to it for reference lookups
*
* @param assessment the assessment to check and ensure it has its SLA attached
* @return {@code true} if it was able to attach the SLA to the assessment, {@code false} if it was not about to attach and find the SLA
*/
public boolean ensureServiceLevelAgreementOnAssessment(ServiceLevelAssessment assessment) {
if (assessment != null && assessment.getAgreement() != null) {
return true;
}
if (assessment.getAgreement() == null && StringUtils.isNotBlank(assessment.getServiceLevelAgreementId())) {
ServiceLevelAgreement agreement = slaProvider.getAgreement(slaProvider.resolve(assessment.getServiceLevelAgreementId()));
((JpaServiceLevelAssessment) assessment).setAgreement(agreement);
}
return assessment != null && assessment.getAgreement() != null;
}
}