package com.thinkbiganalytics.feedmgr.sla;
/*-
* #%L
* thinkbig-feed-manager-controller
* %%
* 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.google.common.base.Function;
import com.google.common.collect.Collections2;
import com.google.common.collect.Lists;
import com.thinkbiganalytics.feedmgr.rest.Model;
import com.thinkbiganalytics.feedmgr.security.FeedServicesAccessControl;
import com.thinkbiganalytics.metadata.api.feed.security.FeedAccessControl;
import com.thinkbiganalytics.metadata.rest.model.feed.Feed;
import com.thinkbiganalytics.metadata.rest.model.sla.FeedServiceLevelAgreement;
import com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAgreementCheck;
import com.thinkbiganalytics.metadata.sla.api.MetricAssessment;
import com.thinkbiganalytics.metadata.sla.api.Obligation;
import com.thinkbiganalytics.metadata.sla.api.ObligationAssessment;
import com.thinkbiganalytics.metadata.sla.api.ObligationGroup;
import com.thinkbiganalytics.metadata.sla.api.ServiceLevelAgreement;
import com.thinkbiganalytics.metadata.sla.api.ServiceLevelAssessment;
import com.thinkbiganalytics.metadata.sla.spi.ObligationBuilder;
import com.thinkbiganalytics.metadata.sla.spi.ObligationGroupBuilder;
import com.thinkbiganalytics.metadata.sla.spi.ServiceLevelAgreementBuilder;
import com.thinkbiganalytics.metadata.sla.spi.ServiceLevelAgreementProvider;
import com.thinkbiganalytics.security.AccessController;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.exception.ExceptionUtils;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import javax.inject.Inject;
/**
* Transforms to/from Domain/Rest
*/
public class ServiceLevelAgreementModelTransform {
@Inject
private AccessController accessController;
public static final Function<ServiceLevelAgreement, com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAgreement> DOMAIN_TO_SLA
= new Function<ServiceLevelAgreement, com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAgreement>() {
@Override
public com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAgreement apply(ServiceLevelAgreement domain) {
return toModel(domain, true);
}
};
public static final Function<ServiceLevelAssessment, com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAssessment> DOMAIN_TO_SLA_ASSMT
= new Function<ServiceLevelAssessment, com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAssessment>() {
@Override
public com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAssessment apply(ServiceLevelAssessment domain) {
com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAgreement sla = toModel(domain.getAgreement(), false);
com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAssessment slAssmt
= new com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAssessment(sla,
domain.getTime(),
// null,
domain.getMessage(),
com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAssessment.Result
.valueOf(domain.getResult().name()));
for (ObligationAssessment domainObAssmt : domain.getObligationAssessments()) {
com.thinkbiganalytics.metadata.rest.model.sla.ObligationAssessment obAssmt
= new com.thinkbiganalytics.metadata.rest.model.sla.ObligationAssessment(toModel(domainObAssmt.getObligation(), false),
com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAssessment.Result
.valueOf(domain.getResult().name()),
domainObAssmt.getMessage());
for (MetricAssessment<?> domainMetAssmt : domainObAssmt.getMetricAssessments()) {
com.thinkbiganalytics.metadata.rest.model.sla.MetricAssessment metricAssmnt
= new com.thinkbiganalytics.metadata.rest.model.sla.MetricAssessment(domainMetAssmt.getMetric(),
com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAssessment.Result
.valueOf(domain.getResult().name()),
domainMetAssmt.getMessage());
obAssmt.addMetricAssessment(metricAssmnt);
}
slAssmt.addObligationAssessment(obAssmt);
}
return slAssmt;
}
};
public static ServiceLevelAgreement generateDomain(com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAgreement model,
ServiceLevelAgreementProvider provider) {
ServiceLevelAgreementBuilder slaBldr = provider.builder()
.name(model.getName())
.description(model.getDescription());
for (com.thinkbiganalytics.metadata.rest.model.sla.ObligationGroup grp : model.getGroups()) {
ObligationGroupBuilder grpBldr = slaBldr.obligationGroupBuilder(ObligationGroup.Condition.valueOf(grp.getCondition()));
for (com.thinkbiganalytics.metadata.rest.model.sla.Obligation ob : grp.getObligations()) {
ObligationBuilder<?> obBldr = grpBldr.obligationBuilder().description(ob.getDescription());
for (com.thinkbiganalytics.metadata.sla.api.Metric metric : ob.getMetrics()) {
obBldr.metric(metric);
}
obBldr.build();
}
grpBldr.build();
}
return slaBldr.build();
}
public static com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAgreement toModel(ServiceLevelAgreement domain, boolean deep) {
com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAgreement sla
= new com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAgreement(domain.getId().toString(),
domain.getName(),
domain.getDescription());
if (domain.getSlaChecks() != null) {
List<ServiceLevelAgreementCheck> checks = new ArrayList<>();
sla.setSlaChecks(checks);
for (com.thinkbiganalytics.metadata.sla.spi.ServiceLevelAgreementCheck check : domain.getSlaChecks()) {
ServiceLevelAgreementCheck restModel = new ServiceLevelAgreementCheck();
restModel.setCronSchedule(check.getCronSchedule());
if (deep) {
try {
restModel.setActionConfigurations(check.getActionConfigurations());
} catch (Exception e) {
if (ExceptionUtils.getRootCause(e) instanceof ClassNotFoundException) {
String msg = ExceptionUtils.getRootCauseMessage(e);
//get just the simpleClassName stripping the package info
msg = StringUtils.substringAfterLast(msg, ".");
sla.addSlaCheckError("Unable to find the SLA Action Configurations of type: " + msg
+ ". Check with an administrator to ensure the correct plugin is installed with this SLA configuration. ");
} else {
throw new RuntimeException(e);
}
}
}
checks.add(restModel);
}
}
if (deep) {
if (domain.getObligationGroups().size() == 1 && domain.getObligationGroups().get(0).getCondition() == ObligationGroup.Condition.REQUIRED) {
for (Obligation domainOb : domain.getObligations()) {
com.thinkbiganalytics.metadata.rest.model.sla.Obligation ob = toModel(domainOb, true);
sla.addObligation(ob);
}
} else {
for (ObligationGroup domainGroup : domain.getObligationGroups()) {
com.thinkbiganalytics.metadata.rest.model.sla.ObligationGroup group
= new com.thinkbiganalytics.metadata.rest.model.sla.ObligationGroup(domainGroup.getCondition().toString());
for (Obligation domainOb : domainGroup.getObligations()) {
com.thinkbiganalytics.metadata.rest.model.sla.Obligation ob = toModel(domainOb, true);
group.addObligation(ob);
}
sla.addGroup(group);
}
}
}
return sla;
}
public static com.thinkbiganalytics.metadata.rest.model.sla.Obligation toModel(Obligation domainOb, boolean deep) {
com.thinkbiganalytics.metadata.rest.model.sla.Obligation ob
= new com.thinkbiganalytics.metadata.rest.model.sla.Obligation();
ob.setDescription(domainOb.getDescription());
if (deep) {
ob.setMetrics(Lists.newArrayList(domainOb.getMetrics()));
}
return ob;
}
/**
* Feed model transformer
*/
@Nonnull
private final Model model;
/**
* Constructs a {@code ServiceLevelAgreementModelTransform}.
*
* @param model the feed model transformer
*/
public ServiceLevelAgreementModelTransform(@Nonnull final Model model) {
this.model = model;
}
/**
* Transforms the specified domain object to a REST object.
*
* @param domain the domain object
* @return the REST object
*/
public com.thinkbiganalytics.metadata.rest.model.sla.FeedServiceLevelAgreement domainToFeedSlaShallow(com.thinkbiganalytics.metadata.api.sla.FeedServiceLevelAgreement domain) {
return toModel(domain, false);
}
/**
* Transforms the specified domain objects to REST objects.
*
* @param slaList the domain objects.
* @return the REST objects
*/
public List<com.thinkbiganalytics.metadata.rest.model.sla.FeedServiceLevelAgreement> transformFeedServiceLevelAgreements(
List<com.thinkbiganalytics.metadata.api.sla.FeedServiceLevelAgreement> slaList) {
Collection<com.thinkbiganalytics.metadata.rest.model.sla.FeedServiceLevelAgreement> list = null;
if (slaList != null) {
list = Collections2.transform(slaList, this::domainToFeedSlaShallow);
return new ArrayList<>(list);
}
return null;
}
/**
* Transforms the specified domain object to a REST object.
*
* @param domain the domain
* @param deep {@code true} to include action configurations
* @return the REST object
*/
public FeedServiceLevelAgreement toModel(com.thinkbiganalytics.metadata.api.sla.FeedServiceLevelAgreement domain, boolean deep) {
return toModel(domain, (Set<com.thinkbiganalytics.metadata.api.feed.Feed>) domain.getFeeds(), deep);
}
/**
* Transforms the specified domain objects to REST objects.
*
* @param domain the SLA domain object
* @param feeds the feed domain objects
* @param deep {@code true} to include action configurations
* @return the SLA REST object
*/
public FeedServiceLevelAgreement toModel(ServiceLevelAgreement domain, Set<com.thinkbiganalytics.metadata.api.feed.Feed> feeds, boolean deep) {
com.thinkbiganalytics.metadata.rest.model.sla.ServiceLevelAgreement slaModel = toModel(domain, deep);
FeedServiceLevelAgreement feedServiceLevelAgreement = new FeedServiceLevelAgreement(slaModel);
boolean canEdit = false;
if (feeds != null && !feeds.isEmpty()) {
final Set<Feed> feedModels = feeds.stream()
.filter(feed -> feed != null)
.map(model::domainToFeed)
.collect(Collectors.toSet());
feedServiceLevelAgreement.setFeeds(feedModels);
if(accessController.isEntityAccessControlled()) {
//set the flag on the sla edit to true only if the user has access to edit the feeds assigned to this sla
canEdit = feeds.stream().allMatch(feed -> feed.getAllowedActions().hasPermission(FeedAccessControl.EDIT_DETAILS));
}
else {
canEdit = this.accessController.hasPermission(AccessController.SERVICES, FeedServicesAccessControl.EDIT_SERVICE_LEVEL_AGREEMENTS);
}
}
else {
canEdit = this.accessController.hasPermission(AccessController.SERVICES, FeedServicesAccessControl.EDIT_SERVICE_LEVEL_AGREEMENTS);
}
slaModel.setCanEdit(canEdit);
feedServiceLevelAgreement.setCanEdit(canEdit);
return feedServiceLevelAgreement;
}
}