/
JpaRolloutGroupManagement.java
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/
JpaRolloutGroupManagement.java
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/**
* Copyright (c) 2015 Bosch Software Innovations GmbH and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.eclipse.hawkbit.repository.jpa;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
import javax.persistence.EntityManager;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Join;
import javax.persistence.criteria.JoinType;
import javax.persistence.criteria.ListJoin;
import javax.persistence.criteria.Root;
import org.eclipse.hawkbit.repository.RolloutGroupFields;
import org.eclipse.hawkbit.repository.RolloutGroupManagement;
import org.eclipse.hawkbit.repository.RolloutStatusCache;
import org.eclipse.hawkbit.repository.TargetFields;
import org.eclipse.hawkbit.repository.exception.EntityNotFoundException;
import org.eclipse.hawkbit.repository.jpa.model.JpaAction;
import org.eclipse.hawkbit.repository.jpa.model.JpaAction_;
import org.eclipse.hawkbit.repository.jpa.model.JpaRolloutGroup;
import org.eclipse.hawkbit.repository.jpa.model.JpaRolloutGroup_;
import org.eclipse.hawkbit.repository.jpa.model.JpaRollout_;
import org.eclipse.hawkbit.repository.jpa.model.JpaTarget;
import org.eclipse.hawkbit.repository.jpa.model.JpaTarget_;
import org.eclipse.hawkbit.repository.jpa.model.RolloutTargetGroup;
import org.eclipse.hawkbit.repository.jpa.model.RolloutTargetGroup_;
import org.eclipse.hawkbit.repository.jpa.rsql.RSQLUtility;
import org.eclipse.hawkbit.repository.model.Action;
import org.eclipse.hawkbit.repository.model.Rollout;
import org.eclipse.hawkbit.repository.model.Rollout.RolloutStatus;
import org.eclipse.hawkbit.repository.model.RolloutGroup;
import org.eclipse.hawkbit.repository.model.Target;
import org.eclipse.hawkbit.repository.model.TargetWithActionStatus;
import org.eclipse.hawkbit.repository.model.TotalTargetCountActionStatus;
import org.eclipse.hawkbit.repository.model.TotalTargetCountStatus;
import org.eclipse.hawkbit.repository.rsql.VirtualPropertyReplacer;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageImpl;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.orm.jpa.vendor.Database;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.validation.annotation.Validated;
/**
* JPA implementation of {@link RolloutGroupManagement}.
*/
@Validated
@Transactional(readOnly = true)
public class JpaRolloutGroupManagement implements RolloutGroupManagement {
private final RolloutGroupRepository rolloutGroupRepository;
private final RolloutRepository rolloutRepository;
private final ActionRepository actionRepository;
private final TargetRepository targetRepository;
private final EntityManager entityManager;
private final VirtualPropertyReplacer virtualPropertyReplacer;
private final RolloutStatusCache rolloutStatusCache;
private final Database database;
JpaRolloutGroupManagement(final RolloutGroupRepository rolloutGroupRepository,
final RolloutRepository rolloutRepository, final ActionRepository actionRepository,
final TargetRepository targetRepository, final EntityManager entityManager,
final VirtualPropertyReplacer virtualPropertyReplacer, final RolloutStatusCache rolloutStatusCache,
final Database database) {
this.rolloutGroupRepository = rolloutGroupRepository;
this.rolloutRepository = rolloutRepository;
this.actionRepository = actionRepository;
this.targetRepository = targetRepository;
this.entityManager = entityManager;
this.virtualPropertyReplacer = virtualPropertyReplacer;
this.rolloutStatusCache = rolloutStatusCache;
this.database = database;
}
@Override
public Optional<RolloutGroup> get(final long rolloutGroupId) {
return rolloutGroupRepository.findById(rolloutGroupId).map(rg -> (RolloutGroup) rg);
}
@Override
public Page<RolloutGroup> findByRollout(final Pageable pageable, final long rolloutId) {
throwEntityNotFoundExceptionIfRolloutDoesNotExist(rolloutId);
return convertPage(rolloutGroupRepository.findByRolloutId(rolloutId, pageable), pageable);
}
private static Page<RolloutGroup> convertPage(final Page<JpaRolloutGroup> findAll, final Pageable pageable) {
return new PageImpl<>(Collections.unmodifiableList(findAll.getContent()), pageable, findAll.getTotalElements());
}
private static Page<Target> convertTPage(final Page<JpaTarget> findAll, final Pageable pageable) {
return new PageImpl<>(Collections.unmodifiableList(findAll.getContent()), pageable, findAll.getTotalElements());
}
@Override
public Page<RolloutGroup> findByRolloutAndRsql(final Pageable pageable, final long rolloutId,
final String rsqlParam) {
throwEntityNotFoundExceptionIfRolloutDoesNotExist(rolloutId);
final Specification<JpaRolloutGroup> specification = RSQLUtility.parse(rsqlParam, RolloutGroupFields.class,
virtualPropertyReplacer, database);
return convertPage(rolloutGroupRepository.findAll((root, query, criteriaBuilder) -> criteriaBuilder.and(
criteriaBuilder.equal(root.get(JpaRolloutGroup_.rollout).get(JpaRollout_.id), rolloutId),
specification.toPredicate(root, query, criteriaBuilder)), pageable), pageable);
}
private void throwEntityNotFoundExceptionIfRolloutDoesNotExist(final Long rolloutId) {
if (!rolloutRepository.existsById(rolloutId)) {
throw new EntityNotFoundException(Rollout.class, rolloutId);
}
}
@Override
public Page<RolloutGroup> findByRolloutWithDetailedStatus(final Pageable pageable, final long rolloutId) {
throwEntityNotFoundExceptionIfRolloutDoesNotExist(rolloutId);
final Page<JpaRolloutGroup> rolloutGroups = rolloutGroupRepository.findByRolloutId(rolloutId, pageable);
final List<Long> rolloutGroupIds = rolloutGroups.getContent().stream().map(RolloutGroup::getId)
.collect(Collectors.toList());
if (rolloutGroupIds.isEmpty()) {
// groups might already deleted, so return empty list.
return new PageImpl<>(Collections.emptyList());
}
final Map<Long, List<TotalTargetCountActionStatus>> allStatesForRollout = getStatusCountItemForRolloutGroup(
rolloutGroupIds);
for (final JpaRolloutGroup rolloutGroup : rolloutGroups) {
final TotalTargetCountStatus totalTargetCountStatus = new TotalTargetCountStatus(
allStatesForRollout.get(rolloutGroup.getId()), Long.valueOf(rolloutGroup.getTotalTargets()),
rolloutGroup.getRollout().getActionType());
rolloutGroup.setTotalTargetCountStatus(totalTargetCountStatus);
}
return convertPage(rolloutGroups, pageable);
}
@Override
public Optional<RolloutGroup> getWithDetailedStatus(final long rolloutGroupId) {
final Optional<RolloutGroup> rolloutGroup = get(rolloutGroupId);
if (!rolloutGroup.isPresent()) {
return rolloutGroup;
}
final JpaRolloutGroup jpaRolloutGroup = (JpaRolloutGroup) rolloutGroup.get();
List<TotalTargetCountActionStatus> rolloutStatusCountItems = rolloutStatusCache
.getRolloutGroupStatus(rolloutGroupId);
if (CollectionUtils.isEmpty(rolloutStatusCountItems)) {
rolloutStatusCountItems = actionRepository.getStatusCountByRolloutGroupId(rolloutGroupId);
rolloutStatusCache.putRolloutGroupStatus(rolloutGroupId, rolloutStatusCountItems);
}
final TotalTargetCountStatus totalTargetCountStatus = new TotalTargetCountStatus(rolloutStatusCountItems,
Long.valueOf(jpaRolloutGroup.getTotalTargets()), jpaRolloutGroup.getRollout().getActionType());
jpaRolloutGroup.setTotalTargetCountStatus(totalTargetCountStatus);
return rolloutGroup;
}
private Map<Long, List<TotalTargetCountActionStatus>> getStatusCountItemForRolloutGroup(final List<Long> groupIds) {
final Map<Long, List<TotalTargetCountActionStatus>> fromCache = rolloutStatusCache
.getRolloutGroupStatus(groupIds);
final List<Long> rolloutGroupIds = groupIds.stream().filter(id -> !fromCache.containsKey(id))
.collect(Collectors.toList());
if (!rolloutGroupIds.isEmpty()) {
final List<TotalTargetCountActionStatus> resultList = actionRepository
.getStatusCountByRolloutGroupId(rolloutGroupIds);
final Map<Long, List<TotalTargetCountActionStatus>> fromDb = resultList.stream()
.collect(Collectors.groupingBy(TotalTargetCountActionStatus::getId));
rolloutStatusCache.putRolloutGroupStatus(fromDb);
fromCache.putAll(fromDb);
}
return fromCache;
}
@Override
public Page<Target> findTargetsOfRolloutGroupByRsql(final Pageable pageable, final long rolloutGroupId,
final String rsqlParam) {
throwExceptionIfRolloutGroupDoesNotExist(rolloutGroupId);
final Specification<JpaTarget> rsqlSpecification = RSQLUtility.parse(rsqlParam, TargetFields.class,
virtualPropertyReplacer, database);
return convertTPage(targetRepository.findAll((root, query, criteriaBuilder) -> {
final ListJoin<JpaTarget, RolloutTargetGroup> rolloutTargetJoin = root.join(JpaTarget_.rolloutTargetGroup);
return criteriaBuilder.and(rsqlSpecification.toPredicate(root, query, criteriaBuilder),
criteriaBuilder.equal(
rolloutTargetJoin.get(RolloutTargetGroup_.rolloutGroup).get(JpaRolloutGroup_.id),
rolloutGroupId));
}, pageable), pageable);
}
@Override
public Page<Target> findTargetsOfRolloutGroup(final Pageable page, final long rolloutGroupId) {
final JpaRolloutGroup rolloutGroup = rolloutGroupRepository.findById(rolloutGroupId)
.orElseThrow(() -> new EntityNotFoundException(RolloutGroup.class, rolloutGroupId));
if (isRolloutStatusReady(rolloutGroup)) {
// in case of status ready the action has not been created yet and
// the relation information between target and rollout-group is
// stored in the #TargetRolloutGroup.
return targetRepository.findByRolloutTargetGroupRolloutGroupId(rolloutGroupId, page);
}
return targetRepository.findByActionsRolloutGroupId(rolloutGroupId, page);
}
private static boolean isRolloutStatusReady(final RolloutGroup rolloutGroup) {
return rolloutGroup != null && (RolloutStatus.READY == rolloutGroup.getRollout().getStatus());
}
@Override
public Page<TargetWithActionStatus> findAllTargetsOfRolloutGroupWithActionStatus(final Pageable pageRequest,
final long rolloutGroupId) {
throwExceptionIfRolloutGroupDoesNotExist(rolloutGroupId);
final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
final CriteriaQuery<Object[]> query = cb.createQuery(Object[].class);
final CriteriaQuery<Long> countQuery = cb.createQuery(Long.class);
final Root<RolloutTargetGroup> targetRoot = query.distinct(true).from(RolloutTargetGroup.class);
final Join<RolloutTargetGroup, JpaTarget> targetJoin = targetRoot.join(RolloutTargetGroup_.target);
final ListJoin<RolloutTargetGroup, JpaAction> actionJoin = targetRoot.join(RolloutTargetGroup_.actions,
JoinType.LEFT);
final Root<RolloutTargetGroup> countQueryFrom = countQuery.distinct(true).from(RolloutTargetGroup.class);
countQueryFrom.join(RolloutTargetGroup_.target);
countQueryFrom.join(RolloutTargetGroup_.actions, JoinType.LEFT);
countQuery.select(cb.count(countQueryFrom)).where(cb
.equal(countQueryFrom.get(RolloutTargetGroup_.rolloutGroup).get(JpaRolloutGroup_.id), rolloutGroupId));
final Long totalCount = entityManager.createQuery(countQuery).getSingleResult();
final CriteriaQuery<Object[]> multiselect = query.multiselect(targetJoin, actionJoin.get(JpaAction_.status))
.where(cb.equal(targetRoot.get(RolloutTargetGroup_.rolloutGroup).get(JpaRolloutGroup_.id),
rolloutGroupId));
final List<TargetWithActionStatus> targetWithActionStatus = entityManager.createQuery(multiselect)
.setFirstResult((int) pageRequest.getOffset()).setMaxResults(pageRequest.getPageSize()).getResultList()
.stream().map(o -> new TargetWithActionStatus((Target) o[0], (Action.Status) o[1]))
.collect(Collectors.toList());
return new PageImpl<>(targetWithActionStatus, pageRequest, totalCount);
}
@Override
public long countTargetsOfRolloutsGroup(final long rolloutGroupId) {
throwExceptionIfRolloutGroupDoesNotExist(rolloutGroupId);
final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
final CriteriaQuery<Long> countQuery = cb.createQuery(Long.class);
final Root<RolloutTargetGroup> countQueryFrom = countQuery.from(RolloutTargetGroup.class);
countQuery.select(cb.count(countQueryFrom)).where(cb
.equal(countQueryFrom.get(RolloutTargetGroup_.rolloutGroup).get(JpaRolloutGroup_.id), rolloutGroupId));
return entityManager.createQuery(countQuery).getSingleResult();
}
private void throwExceptionIfRolloutGroupDoesNotExist(final Long rolloutGroupId) {
if (!rolloutGroupRepository.existsById(rolloutGroupId)) {
throw new EntityNotFoundException(RolloutGroup.class, rolloutGroupId);
}
}
@Override
public long countByRollout(final long rolloutId) {
throwEntityNotFoundExceptionIfRolloutDoesNotExist(rolloutId);
return rolloutGroupRepository.countByRolloutId(rolloutId);
}
}