diff options
Diffstat (limited to 'cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryMultiPathQueryImpl.java')
-rw-r--r-- | cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryMultiPathQueryImpl.java | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryMultiPathQueryImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryMultiPathQueryImpl.java new file mode 100644 index 000000000..8c357bbb3 --- /dev/null +++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryMultiPathQueryImpl.java @@ -0,0 +1,74 @@ +/*- + * ============LICENSE_START======================================================= + * Copyright (C) 2022-2023 Nordix Foundation. + * ================================================================================ + * 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. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.cps.spi.repository; + + +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.HashSet; +import java.util.List; +import javax.persistence.EntityManager; +import javax.persistence.PersistenceContext; +import javax.transaction.Transactional; +import lombok.AllArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.onap.cps.spi.entities.FragmentEntity; + + +@Slf4j +@AllArgsConstructor +public class FragmentRepositoryMultiPathQueryImpl implements FragmentRepositoryMultiPathQuery { + + @PersistenceContext + private EntityManager entityManager; + + private TempTableCreator tempTableCreator; + + @Override + @Transactional + public List<FragmentEntity> findByAnchorAndMultipleCpsPaths(final Integer anchorId, + final Collection<String> cpsPathQueryList) { + if (cpsPathQueryList.isEmpty()) { + return Collections.emptyList(); + } + final Collection<List<String>> sqlData = new HashSet<>(cpsPathQueryList.size()); + for (final String query : cpsPathQueryList) { + final List<String> row = new ArrayList<>(1); + row.add(query); + sqlData.add(row); + } + + final String tempTableName = tempTableCreator.createTemporaryTable( + "xpathTemporaryTable", sqlData, "xpath"); + return selectMatchingFragments(anchorId, tempTableName); + } + + private List<FragmentEntity> selectMatchingFragments(final Integer anchorId, final String tempTableName) { + final String sql = String.format( + "SELECT * FROM FRAGMENT WHERE anchor_id = %d AND xpath IN (select xpath FROM %s);", + anchorId, tempTableName); + final List<FragmentEntity> fragmentEntities = entityManager.createNativeQuery(sql, FragmentEntity.class) + .getResultList(); + log.debug("Fetched {} fragment entities by anchor and cps path.", fragmentEntities.size()); + return fragmentEntities; + } +} |