X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=models-dao%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fpolicy%2Fmodels%2Fdao%2Fimpl%2FDefaultPfDao.java;h=c6faf21eccbb6ab87f8ec4ab354306109d4c6d2d;hb=389c85c8e7213c10c17896f4c63d94e2b5e9d27a;hp=1b1b77da295debf55ba044ee07761a883989cf18;hpb=62c469dc0045e81979ac14aecb105f2150592c3a;p=policy%2Fmodels.git diff --git a/models-dao/src/main/java/org/onap/policy/models/dao/impl/DefaultPfDao.java b/models-dao/src/main/java/org/onap/policy/models/dao/impl/DefaultPfDao.java index 1b1b77da2..c6faf21ec 100644 --- a/models-dao/src/main/java/org/onap/policy/models/dao/impl/DefaultPfDao.java +++ b/models-dao/src/main/java/org/onap/policy/models/dao/impl/DefaultPfDao.java @@ -1,7 +1,8 @@ /*- * ============LICENSE_START======================================================= - * Copyright (C) 2019-2021 Nordix Foundation. + * Copyright (C) 2019-2021, 2023-2024 Nordix Foundation. * Modifications Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved. + * Modifications Copyright (C) 2022 Bell Canada. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -21,20 +22,17 @@ package org.onap.policy.models.dao.impl; -import java.sql.Timestamp; -import java.time.Instant; +import jakarta.persistence.EntityManager; +import jakarta.persistence.EntityManagerFactory; +import jakarta.persistence.Persistence; +import jakarta.persistence.TypedQuery; +import jakarta.ws.rs.core.Response; import java.util.Collection; import java.util.Collections; import java.util.List; -import javax.persistence.EntityManager; -import javax.persistence.EntityManagerFactory; -import javax.persistence.Persistence; -import javax.persistence.TypedQuery; -import javax.ws.rs.core.Response; import org.apache.commons.lang3.StringUtils; import org.onap.policy.models.base.PfConcept; import org.onap.policy.models.base.PfConceptKey; -import org.onap.policy.models.base.PfGeneratedIdKey; import org.onap.policy.models.base.PfModelException; import org.onap.policy.models.base.PfModelRuntimeException; import org.onap.policy.models.base.PfReferenceKey; @@ -51,71 +49,11 @@ import org.slf4j.LoggerFactory; /** * The Class DefaultPfDao is an JPA implementation of the {@link PfDao} class for Policy Framework concepts - * ({@link PfConcept}). It uses the default JPA implementation in the javax {@link Persistence} class. + * ({@link PfConcept}). It uses the default JPA implementation in the jakarta {@link Persistence} class. */ public class DefaultPfDao implements PfDao { private static final Logger LOGGER = LoggerFactory.getLogger(DefaultPfDao.class); - // @formatter:off - private static final String NAME = "name"; - private static final String VERSION = "version"; - private static final String TIMESTAMP = "timeStamp"; - private static final String GENERATEDID = "Id"; - private static final String PARENT_NAME = "parentname"; - private static final String PARENT_VERSION = "parentversion"; - private static final String LOCAL_NAME = "localname"; - - private static final String TABLE_TOKEN = "__TABLE__"; - - private static final String DELETE_FROM_TABLE = "DELETE FROM __TABLE__ c"; - - private static final String SELECT_FROM_TABLE = "SELECT c FROM __TABLE__ c"; - - private static final String WHERE = " WHERE "; - private static final String AND = " AND "; - private static final String ORDER_BY = " ORDER BY c."; - - private static final String NAME_FILTER = "c.key.name = :name"; - private static final String VERSION_FILTER = "c.key.version = :version"; - private static final String TIMESTAMP_FILTER = "c.key.timeStamp = :timeStamp"; - private static final String TIMESTAMP_FILTER_NOKEY = "c.timeStamp = :timeStamp"; - private static final String GENERATED_ID_FILTER = "c.key.generatedId = :Id"; - private static final String PARENT_NAME_FILTER = "c.key.parentKeyName = :parentname"; - private static final String PARENT_VERSION_FILTER = "c.key.parentKeyVersion = :parentversion"; - private static final String LOCAL_NAME_FILTER = "c.key.localName = :localname"; - - private static final String CLONE_ERR_MSG = "Could not clone object of class \"{}\""; - - private static final String DELETE_BY_CONCEPT_KEY = - DELETE_FROM_TABLE + WHERE + NAME_FILTER + AND + VERSION_FILTER; - - private static final String DELETE_BY_TIMESTAMP_KEY = - DELETE_FROM_TABLE + WHERE + NAME_FILTER + AND + VERSION_FILTER + AND + TIMESTAMP_FILTER; - - private static final String DELETE_BY_GENERATED_ID_KEY = - DELETE_FROM_TABLE + WHERE + NAME_FILTER + AND + VERSION_FILTER + AND + GENERATED_ID_FILTER; - - private static final String DELETE_BY_REFERENCE_KEY = - DELETE_FROM_TABLE + WHERE + PARENT_NAME_FILTER + AND + PARENT_VERSION_FILTER + AND + LOCAL_NAME_FILTER; - - private static final String SELECT_ALL_FOR_PARENT = - SELECT_FROM_TABLE + WHERE + PARENT_NAME_FILTER + AND + PARENT_VERSION_FILTER; - - private static final String SELECT_ALL_VERSIONS_FOR_PARENT = - SELECT_FROM_TABLE + WHERE + PARENT_NAME_FILTER; - - private static final String SELECT_ALL_VERSIONS = SELECT_FROM_TABLE + WHERE + NAME_FILTER; - - private static final String SELECT_BY_CONCEPT_KEY = - SELECT_FROM_TABLE + WHERE + NAME_FILTER + AND + VERSION_FILTER; - - private static final String SELECT_BY_TIMESTAMP_NOKEY = - SELECT_FROM_TABLE + WHERE + NAME_FILTER + AND + VERSION_FILTER + AND + TIMESTAMP_FILTER_NOKEY; - - private static final String SELECT_BY_REFERENCE_KEY = - SELECT_FROM_TABLE + WHERE + PARENT_NAME_FILTER + AND + PARENT_VERSION_FILTER + AND + LOCAL_NAME_FILTER; - // @formatter:on - // Entity manager for JPA private EntityManagerFactory emf = null; @@ -124,16 +62,16 @@ public class DefaultPfDao implements PfDao { if (daoParameters == null || daoParameters.getPersistenceUnit() == null) { LOGGER.error("Policy Framework persistence unit parameter not set"); throw new PfModelException(Response.Status.INTERNAL_SERVER_ERROR, - "Policy Framework persistence unit parameter not set"); + "Policy Framework persistence unit parameter not set"); } LOGGER.debug("Creating Policy Framework persistence unit \"{}\" . . .", daoParameters.getPersistenceUnit()); try { emf = Persistence.createEntityManagerFactory(daoParameters.getPersistenceUnit(), - daoParameters.getJdbcProperties()); + daoParameters.getJdbcProperties()); } catch (final Exception ex) { String errorMessage = "Creation of Policy Framework persistence unit \"" - + daoParameters.getPersistenceUnit() + "\" failed"; + + daoParameters.getPersistenceUnit() + "\" failed"; LOGGER.warn(errorMessage); throw new PfModelException(Response.Status.INTERNAL_SERVER_ERROR, errorMessage, ex); } @@ -149,7 +87,7 @@ public class DefaultPfDao implements PfDao { if (emf == null) { LOGGER.warn("Policy Framework DAO has not been initialized"); throw new PfModelRuntimeException(Response.Status.INTERNAL_SERVER_ERROR, - "Policy Framework DAO has not been initialized"); + "Policy Framework DAO has not been initialized"); } return emf.createEntityManager(); @@ -167,13 +105,10 @@ public class DefaultPfDao implements PfDao { if (obj == null) { return; } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { mg.getTransaction().begin(); mg.merge(obj); mg.getTransaction().commit(); - } finally { - mg.close(); } } @@ -182,13 +117,10 @@ public class DefaultPfDao implements PfDao { if (obj == null) { return; } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { mg.getTransaction().begin(); mg.remove(mg.contains(obj) ? obj : mg.merge(obj)); mg.getTransaction().commit(); - } finally { - mg.close(); } } @@ -197,18 +129,15 @@ public class DefaultPfDao implements PfDao { if (key == null) { return; } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { // @formatter:off mg.getTransaction().begin(); - mg.createQuery(setQueryTable(DELETE_BY_CONCEPT_KEY, someClass), someClass) + mg.createQuery(setQueryTable(DELETE_BY_CONCEPT_KEY, someClass)) .setParameter(NAME, key.getName()) .setParameter(VERSION, key.getVersion()) .executeUpdate(); mg.getTransaction().commit(); // @formatter:on - } finally { - mg.close(); } } @@ -217,19 +146,16 @@ public class DefaultPfDao implements PfDao { if (key == null) { return; } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { // @formatter:off mg.getTransaction().begin(); - mg.createQuery(setQueryTable(DELETE_BY_REFERENCE_KEY, someClass), someClass) + mg.createQuery(setQueryTable(DELETE_BY_REFERENCE_KEY, someClass)) .setParameter(PARENT_NAME, key.getParentKeyName()) .setParameter(PARENT_VERSION, key.getParentKeyVersion()) .setParameter(LOCAL_NAME, key.getLocalName()) .executeUpdate(); mg.getTransaction().commit(); // @formatter:on - } finally { - mg.close(); } } @@ -238,40 +164,16 @@ public class DefaultPfDao implements PfDao { if (key == null) { return; } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { // @formatter:off mg.getTransaction().begin(); - mg.createQuery(setQueryTable(DELETE_BY_TIMESTAMP_KEY, someClass), someClass) + mg.createQuery(setQueryTable(DELETE_BY_TIMESTAMP_KEY, someClass)) .setParameter(NAME, key.getName()) .setParameter(VERSION, key.getVersion()) .setParameter(TIMESTAMP, key.getTimeStamp()) .executeUpdate(); mg.getTransaction().commit(); // @formatter:on - } finally { - mg.close(); - } - } - - @Override - public void delete(final Class someClass, final PfGeneratedIdKey key) { - if (key == null) { - return; - } - final var mg = getEntityManager(); - try { - // @formatter:off - mg.getTransaction().begin(); - mg.createQuery(setQueryTable(DELETE_BY_GENERATED_ID_KEY, someClass), someClass) - .setParameter(NAME, key.getName()) - .setParameter(VERSION, key.getVersion()) - .setParameter(GENERATEDID, key.getGeneratedId()) - .executeUpdate(); - mg.getTransaction().commit(); - // @formatter:on - } finally { - mg.close(); } } @@ -280,15 +182,12 @@ public class DefaultPfDao implements PfDao { if (objs == null || objs.isEmpty()) { return; } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { mg.getTransaction().begin(); for (final T t : objs) { mg.merge(t); } mg.getTransaction().commit(); - } finally { - mg.close(); } } @@ -297,15 +196,12 @@ public class DefaultPfDao implements PfDao { if (objs == null || objs.isEmpty()) { return; } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { mg.getTransaction().begin(); for (final T t : objs) { mg.remove(mg.contains(t) ? t : mg.merge(t)); } mg.getTransaction().commit(); - } finally { - mg.close(); } } @@ -315,37 +211,33 @@ public class DefaultPfDao implements PfDao { return 0; } var deletedCount = 0; - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { // @formatter:off mg.getTransaction().begin(); for (final PfConceptKey key : keys) { - deletedCount += mg.createQuery(setQueryTable(DELETE_BY_CONCEPT_KEY, someClass), someClass) + deletedCount += mg.createQuery(setQueryTable(DELETE_BY_CONCEPT_KEY, someClass)) .setParameter(NAME, key.getName()) .setParameter(VERSION, key.getVersion()) .executeUpdate(); } mg.getTransaction().commit(); // @formatter:on - } finally { - mg.close(); } return deletedCount; } @Override public int deleteByReferenceKey(final Class someClass, - final Collection keys) { + final Collection keys) { if (keys == null || keys.isEmpty()) { return 0; } var deletedCount = 0; - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { // @formatter:off mg.getTransaction().begin(); for (final PfReferenceKey key : keys) { - deletedCount += mg.createQuery(setQueryTable(DELETE_BY_REFERENCE_KEY, someClass), someClass) + deletedCount += mg.createQuery(setQueryTable(DELETE_BY_REFERENCE_KEY, someClass)) .setParameter(PARENT_NAME, key.getParentKeyName()) .setParameter(PARENT_VERSION, key.getParentKeyVersion()) .setParameter(LOCAL_NAME, key.getLocalName()) @@ -353,27 +245,22 @@ public class DefaultPfDao implements PfDao { } mg.getTransaction().commit(); // @formatter:on - } finally { - mg.close(); } return deletedCount; } @Override public void deleteAll(final Class someClass) { - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { mg.getTransaction().begin(); - mg.createQuery(setQueryTable(DELETE_FROM_TABLE, someClass), someClass).executeUpdate(); + mg.createQuery(setQueryTable(DELETE_FROM_TABLE, someClass)).executeUpdate(); mg.getTransaction().commit(); - } finally { - mg.close(); } } @Override public List getFiltered(final Class someClass, final String name, - final String version) { + final String version) { if (name == null) { return getAll(someClass); } @@ -389,21 +276,18 @@ public class DefaultPfDao implements PfDao { @Override public List getFiltered(final Class someClass, PfFilterParametersIntfc filterParams) { - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { PfFilter filter = new PfFilterFactory().createFilter(someClass); var filterQueryString = SELECT_FROM_TABLE - + filter.genWhereClause(filterParams) - + filter.genOrderClause(filterParams); + + filter.genWhereClause(filterParams) + + filter.genOrderClause(filterParams); TypedQuery query = mg.createQuery(setQueryTable(filterQueryString, someClass), someClass); filter.setParams(query, filterParams); LOGGER.debug("filterQueryString is \"{}\"", filterQueryString); return query.getResultList(); - } finally { - mg.close(); } } @@ -417,11 +301,6 @@ public class DefaultPfDao implements PfDao { return genericGet(someClass, key); } - @Override - public T get(final Class someClass, final PfGeneratedIdKey key) { - return genericGet(someClass, key); - } - @Override public T get(final Class someClass, final PfTimestampKey key) { return genericGet(someClass, key); @@ -436,15 +315,12 @@ public class DefaultPfDao implements PfDao { if (someClass == null) { return null; } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { final var t = mg.find(someClass, key); if (t != null) { mg.refresh(t); } return checkAndReturn(someClass, t); - } finally { - mg.close(); } } @@ -453,11 +329,8 @@ public class DefaultPfDao implements PfDao { if (someClass == null) { return Collections.emptyList(); } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { return mg.createQuery(setQueryTable(SELECT_FROM_TABLE, someClass), someClass).getResultList(); - } finally { - mg.close(); } } @@ -466,16 +339,13 @@ public class DefaultPfDao implements PfDao { if (someClass == null) { return Collections.emptyList(); } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { // @formatter:off return mg.createQuery(setQueryTable(SELECT_ALL_FOR_PARENT, someClass), someClass) .setParameter(PARENT_NAME, parentKey.getName()) .setParameter(PARENT_VERSION, parentKey.getVersion()) .getResultList(); // @formatter:on - } finally { - mg.close(); } } @@ -485,8 +355,7 @@ public class DefaultPfDao implements PfDao { if (someClass == null) { return Collections.emptyList(); } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { String query = setQueryTable(SELECT_FROM_TABLE, someClass); if (StringUtils.isNotBlank(orderBy)) { @@ -494,9 +363,7 @@ public class DefaultPfDao implements PfDao { } return mg.createQuery(query, someClass).setMaxResults(numRecords) - .getResultList(); - } finally { - mg.close(); + .getResultList(); } } @@ -505,15 +372,12 @@ public class DefaultPfDao implements PfDao { if (someClass == null || parentKeyName == null) { return Collections.emptyList(); } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { // @formatter:off return mg.createQuery(setQueryTable(SELECT_ALL_VERSIONS_FOR_PARENT, someClass), someClass) .setParameter(PARENT_NAME, parentKeyName) .getResultList(); // @formatter:on - } finally { - mg.close(); } } @@ -522,36 +386,12 @@ public class DefaultPfDao implements PfDao { if (someClass == null || conceptName == null) { return Collections.emptyList(); } - final var mg = getEntityManager(); - try { + try (var mg = getEntityManager()) { // @formatter:off return mg.createQuery(setQueryTable(SELECT_ALL_VERSIONS, someClass), someClass) .setParameter(NAME, conceptName) .getResultList(); // @formatter:on - } finally { - mg.close(); - } - } - - @Override - public List getByTimestamp(final Class someClass, final PfGeneratedIdKey key, - final Instant timeStamp) { - if (someClass == null || key == null || timeStamp == null) { - return Collections.emptyList(); - } - - final var mg = getEntityManager(); - try { - // @formatter:off - return mg.createQuery(setQueryTable(SELECT_BY_TIMESTAMP_NOKEY, someClass), someClass) - .setParameter(NAME, key.getName()) - .setParameter(VERSION, key.getVersion()) - .setParameter(TIMESTAMP, Timestamp.from(timeStamp)) - .getResultList(); - // @formatter:on - } finally { - mg.close(); } } @@ -560,17 +400,14 @@ public class DefaultPfDao implements PfDao { if (someClass == null || key == null) { return null; } - final var mg = getEntityManager(); List ret; - try { + try (var mg = getEntityManager()) { // @formatter:off ret = mg.createQuery(setQueryTable(SELECT_BY_CONCEPT_KEY, someClass), someClass) .setParameter(NAME, key.getName()) .setParameter(VERSION, key.getVersion()) .getResultList(); // @formatter:on - } finally { - mg.close(); } return getSingleResult(someClass, key.getId(), ret); @@ -581,9 +418,8 @@ public class DefaultPfDao implements PfDao { if (someClass == null || key == null) { return null; } - final var mg = getEntityManager(); List ret; - try { + try (var mg = getEntityManager()) { // @formatter:off ret = mg.createQuery(setQueryTable(SELECT_BY_REFERENCE_KEY, someClass), someClass) .setParameter(PARENT_NAME, key.getParentKeyName()) @@ -591,8 +427,6 @@ public class DefaultPfDao implements PfDao { .setParameter(LOCAL_NAME, key.getLocalName()) .getResultList(); // @formatter:on - } finally { - mg.close(); } return getSingleResult(someClass, key.getId(), ret); @@ -600,15 +434,12 @@ public class DefaultPfDao implements PfDao { @Override public T update(final T obj) { - final var mg = getEntityManager(); T ret; - try { + try (var mg = getEntityManager()) { mg.getTransaction().begin(); ret = mg.merge(obj); mg.flush(); mg.getTransaction().commit(); - } finally { - mg.close(); } return ret; } @@ -618,17 +449,14 @@ public class DefaultPfDao implements PfDao { if (someClass == null) { return 0; } - final var mg = getEntityManager(); - long size = 0; - try { + long size; + try (var mg = getEntityManager()) { /* * The invoking code only passes well-known classes into this method, thus * disabling the sonar about SQL injection. */ - size = mg.createQuery("SELECT COUNT(c) FROM " + someClass.getSimpleName() + " c", Long.class) // NOSONAR - .getSingleResult(); - } finally { - mg.close(); + size = mg.createQuery("SELECT COUNT(c) FROM " + someClass.getSimpleName() + " c", Long.class) // NOSONAR + .getSingleResult(); } return size; } @@ -637,7 +465,7 @@ public class DefaultPfDao implements PfDao { * Add the table to a query string. * * @param queryString the query string - * @param tableClass the class name of the table + * @param tableClass the class name of the table * @return the updated query string */ private String setQueryTable(final String queryString, final Class tableClass) { @@ -647,19 +475,19 @@ public class DefaultPfDao implements PfDao { /** * Check that a query returned one and only one entry and return that entry. * - * @param someClass the class being searched for + * @param someClass the class being searched for * @param searchFilter the search filter - * @param resultList the result list returned by the query + * @param resultList the result list returned by the query * @return the single unique result */ private T getSingleResult(final Class someClass, final String searchFilter, - List resultList) { + List resultList) { if (resultList == null || resultList.isEmpty()) { return null; } if (resultList.size() > 1) { throw new IllegalArgumentException("More than one result was returned query on " + someClass - + " with filter " + searchFilter + ": " + resultList); + + " with filter " + searchFilter + ": " + resultList); } return resultList.get(0); } @@ -667,8 +495,8 @@ public class DefaultPfDao implements PfDao { /** * check the result get from database and return the object. * - * @param the type of the object to get, a subclass of {@link PfConcept} - * @param someClass the class of the object to get, a subclass of {@link PfConcept} + * @param the type of the object to get, a subclass of {@link PfConcept} + * @param someClass the class of the object to get, a subclass of {@link PfConcept} * @param objToCheck the object that was retrieved from the database * @return the checked object or null */