2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2022-2023 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.cps.spi.repository;
24 import java.util.ArrayList;
25 import java.util.Collection;
26 import java.util.Collections;
27 import java.util.HashSet;
28 import java.util.List;
29 import javax.persistence.EntityManager;
30 import javax.persistence.PersistenceContext;
31 import javax.transaction.Transactional;
32 import lombok.AllArgsConstructor;
33 import lombok.extern.slf4j.Slf4j;
34 import org.onap.cps.spi.entities.FragmentEntity;
39 public class FragmentRepositoryMultiPathQueryImpl implements FragmentRepositoryMultiPathQuery {
42 private EntityManager entityManager;
44 private TempTableCreator tempTableCreator;
48 public List<FragmentEntity> findByAnchorAndMultipleCpsPaths(final Integer anchorId,
49 final Collection<String> cpsPathQueryList) {
50 if (cpsPathQueryList.isEmpty()) {
51 return Collections.emptyList();
53 final Collection<List<String>> sqlData = new HashSet<>(cpsPathQueryList.size());
54 for (final String query : cpsPathQueryList) {
55 final List<String> row = new ArrayList<>(1);
60 final String tempTableName = tempTableCreator.createTemporaryTable(
61 "xpathTemporaryTable", sqlData, "xpath");
62 return selectMatchingFragments(anchorId, tempTableName);
65 private List<FragmentEntity> selectMatchingFragments(final Integer anchorId, final String tempTableName) {
66 final String sql = String.format(
67 "SELECT * FROM FRAGMENT WHERE anchor_id = %d AND xpath IN (select xpath FROM %s);",
68 anchorId, tempTableName);
69 final List<FragmentEntity> fragmentEntities = entityManager.createNativeQuery(sql, FragmentEntity.class)
71 log.debug("Fetched {} fragment entities by anchor and cps path.", fragmentEntities.size());
72 return fragmentEntities;