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-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java24
-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentNativeRepository.java22
-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentNativeRepositoryImpl.java69
-rwxr-xr-xcps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java4
-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryMultiPathQueryImpl.java27
-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/repository/TempTableCreator.java22
6 files changed, 123 insertions, 45 deletions
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java
index d2b7273fe1..5b310efd5d 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java
@@ -61,7 +61,6 @@ import org.onap.cps.spi.model.DataNode;
import org.onap.cps.spi.model.DataNodeBuilder;
import org.onap.cps.spi.repository.AnchorRepository;
import org.onap.cps.spi.repository.DataspaceRepository;
-import org.onap.cps.spi.repository.FragmentNativeRepository;
import org.onap.cps.spi.repository.FragmentQueryBuilder;
import org.onap.cps.spi.repository.FragmentRepository;
import org.onap.cps.spi.utils.SessionManager;
@@ -79,7 +78,6 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
private final FragmentRepository fragmentRepository;
private final JsonObjectMapper jsonObjectMapper;
private final SessionManager sessionManager;
- private final FragmentNativeRepository fragmentNativeRepositoryImpl;
private static final String REG_EX_FOR_OPTIONAL_LIST_INDEX = "(\\[@[\\s\\S]+?]){0,1})";
@@ -609,6 +607,26 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
@Override
@Transactional
+ public void deleteDataNodes(final String dataspaceName, final String anchorName,
+ final Collection<String> xpathsToDelete) {
+ final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
+
+ final Collection<String> normalizedXpaths = new ArrayList<>(xpathsToDelete.size());
+ for (final String xpath : xpathsToDelete) {
+ try {
+ normalizedXpaths.add(CpsPathUtil.getNormalizedXpath(xpath));
+ } catch (final PathParsingException e) {
+ log.debug("Error parsing xpath \"{}\" in deleteDataNodes: {}", xpath, e.getMessage());
+ }
+ }
+
+ fragmentRepository.deleteByAnchorIdAndXpaths(anchorEntity.getId(), normalizedXpaths);
+ fragmentRepository.deleteListsByAnchorIdAndXpaths(anchorEntity.getId(), normalizedXpaths);
+ }
+
+ @Override
+ @Transactional
public void deleteListDataNode(final String dataspaceName, final String anchorName,
final String targetXpath) {
deleteDataNode(dataspaceName, anchorName, targetXpath, true);
@@ -656,7 +674,7 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
private boolean deleteDataNode(final FragmentEntity parentFragmentEntity, final String targetXpath) {
final String normalizedTargetXpath = CpsPathUtil.getNormalizedXpath(targetXpath);
if (parentFragmentEntity.getXpath().equals(normalizedTargetXpath)) {
- fragmentNativeRepositoryImpl.deleteFragmentEntity(parentFragmentEntity.getId());
+ fragmentRepository.deleteFragmentEntity(parentFragmentEntity.getId());
return true;
}
if (parentFragmentEntity.getChildFragments()
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentNativeRepository.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentNativeRepository.java
index 4cfd79dee3..13320bf763 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentNativeRepository.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentNativeRepository.java
@@ -20,9 +20,31 @@
package org.onap.cps.spi.repository;
+import java.util.Collection;
+
/**
* This interface is used in delete fragment entity by id with child using native sql queries.
*/
public interface FragmentNativeRepository {
void deleteFragmentEntity(long fragmentEntityId);
+
+ /**
+ * Delete fragment entities for each supplied xpath.
+ * This method will delete list elements or other data nodes, but not whole lists.
+ * Non-existing xpaths will not result in an exception.
+ * @param anchorId the id of the anchor
+ * @param xpaths xpaths of data nodes to remove
+ */
+ void deleteByAnchorIdAndXpaths(int anchorId, Collection<String> xpaths);
+
+ /**
+ * Delete fragment entities that are list elements of each supplied list xpath.
+ * For example, if xpath '/parent/list' is provided, then list all elements in '/parent/list' will be deleted,
+ * e.g. /parent/list[@key='A'], /parent/list[@key='B'].
+ * This method will only delete whole lists by xpath; xpaths to list elements or other data nodes will be ignored.
+ * Non-existing xpaths will not result in an exception.
+ * @param anchorId the id of the anchor
+ * @param listXpaths xpaths of whole lists to remove
+ */
+ void deleteListsByAnchorIdAndXpaths(int anchorId, Collection<String> listXpaths);
}
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentNativeRepositoryImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentNativeRepositoryImpl.java
index 57dca568f2..0e4d359da5 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentNativeRepositoryImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentNativeRepositoryImpl.java
@@ -20,13 +20,12 @@
package org.onap.cps.spi.repository;
-import java.sql.PreparedStatement;
+import java.util.Collection;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
-import org.hibernate.Session;
-import org.springframework.stereotype.Repository;
+import lombok.RequiredArgsConstructor;
-@Repository
+@RequiredArgsConstructor
public class FragmentNativeRepositoryImpl implements FragmentNativeRepository {
private static final String DROP_FRAGMENT_CONSTRAINT
@@ -34,28 +33,62 @@ public class FragmentNativeRepositoryImpl implements FragmentNativeRepository {
private static final String ADD_FRAGMENT_CONSTRAINT_WITH_CASCADE
= "ALTER TABLE fragment ADD CONSTRAINT fragment_parent_id_fkey FOREIGN KEY (parent_id) "
+ "REFERENCES fragment (id) ON DELETE CASCADE;";
- private static final String DELETE_FRAGMENT = "DELETE FROM fragment WHERE id =?;";
private static final String ADD_ORIGINAL_FRAGMENT_CONSTRAINT
= "ALTER TABLE fragment ADD CONSTRAINT fragment_parent_id_fkey FOREIGN KEY (parent_id) "
+ "REFERENCES fragment (id) ON DELETE NO ACTION;";
@PersistenceContext
- private EntityManager entityManager;
+ private final EntityManager entityManager;
+
+ private final TempTableCreator tempTableCreator;
@Override
public void deleteFragmentEntity(final long fragmentEntityId) {
- final Session session = entityManager.unwrap(Session.class);
- session.doWork(connection -> {
- try (PreparedStatement preparedStatement = connection.prepareStatement(
+ entityManager.createNativeQuery(
+ DROP_FRAGMENT_CONSTRAINT
+ + ADD_FRAGMENT_CONSTRAINT_WITH_CASCADE
+ + "DELETE FROM fragment WHERE id = ?;"
+ + DROP_FRAGMENT_CONSTRAINT
+ + ADD_ORIGINAL_FRAGMENT_CONSTRAINT)
+ .setParameter(1, fragmentEntityId)
+ .executeUpdate();
+ }
+
+ @Override
+ // Accept security hotspot as temporary table name in SQL query is created internally, not from user input.
+ @SuppressWarnings("squid:S2077")
+ public void deleteByAnchorIdAndXpaths(final int anchorId, final Collection<String> xpaths) {
+ if (!xpaths.isEmpty()) {
+ final String tempTableName = tempTableCreator.createTemporaryTable("xpathsToDelete", xpaths, "xpath");
+ entityManager.createNativeQuery(
DROP_FRAGMENT_CONSTRAINT
- + ADD_FRAGMENT_CONSTRAINT_WITH_CASCADE
- + DELETE_FRAGMENT
- + DROP_FRAGMENT_CONSTRAINT
- + ADD_ORIGINAL_FRAGMENT_CONSTRAINT)) {
- preparedStatement.setLong(1, fragmentEntityId);
- preparedStatement.executeUpdate();
- }
- });
+ + ADD_FRAGMENT_CONSTRAINT_WITH_CASCADE
+ + "DELETE FROM fragment f USING " + tempTableName + " t"
+ + " WHERE f.anchor_id = :anchorId AND f.xpath = t.xpath;"
+ + DROP_FRAGMENT_CONSTRAINT
+ + ADD_ORIGINAL_FRAGMENT_CONSTRAINT)
+ .setParameter("anchorId", anchorId)
+ .executeUpdate();
+ }
}
-}
+ @Override
+ // Accept security hotspot as temporary table name in SQL query is created internally, not from user input.
+ @SuppressWarnings("squid:S2077")
+ public void deleteListsByAnchorIdAndXpaths(final int anchorId, final Collection<String> xpaths) {
+ if (!xpaths.isEmpty()) {
+ final String tempTableName = tempTableCreator.createTemporaryTable("xpathsToDelete", xpaths, "xpath");
+ entityManager.createNativeQuery(
+ DROP_FRAGMENT_CONSTRAINT
+ + ADD_FRAGMENT_CONSTRAINT_WITH_CASCADE
+ + "DELETE FROM fragment f USING " + tempTableName + " t"
+ + " WHERE f.anchor_id = :anchorId AND f.xpath LIKE CONCAT(t.xpath, :xpathListPattern);"
+ + DROP_FRAGMENT_CONSTRAINT
+ + ADD_ORIGINAL_FRAGMENT_CONSTRAINT)
+ .setParameter("anchorId", anchorId)
+ .setParameter("xpathListPattern", "[%%")
+ .executeUpdate();
+ }
+ }
+
+}
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java
index 4b42b2da8d..8bdb7d985b 100755
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java
@@ -1,6 +1,6 @@
/*
* ============LICENSE_START=======================================================
- * Copyright (C) 2021-2022 Nordix Foundation.
+ * Copyright (C) 2021-2023 Nordix Foundation.
* Modifications Copyright (C) 2020-2021 Bell Canada.
* Modifications Copyright (C) 2020-2021 Pantheon.tech.
* ================================================================================
@@ -40,7 +40,7 @@ import org.springframework.stereotype.Repository;
@Repository
public interface FragmentRepository extends JpaRepository<FragmentEntity, Long>, FragmentRepositoryCpsPathQuery,
- FragmentRepositoryMultiPathQuery {
+ FragmentRepositoryMultiPathQuery, FragmentNativeRepository {
Optional<FragmentEntity> findByDataspaceAndAnchorAndXpath(@NonNull DataspaceEntity dataspaceEntity,
@NonNull AnchorEntity anchorEntity,
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
index 8c357bbb31..151fe97b34 100644
--- 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
@@ -20,28 +20,24 @@
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.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.spi.entities.FragmentEntity;
-
@Slf4j
-@AllArgsConstructor
+@RequiredArgsConstructor
public class FragmentRepositoryMultiPathQueryImpl implements FragmentRepositoryMultiPathQuery {
@PersistenceContext
- private EntityManager entityManager;
+ private final EntityManager entityManager;
- private TempTableCreator tempTableCreator;
+ private final TempTableCreator tempTableCreator;
@Override
@Transactional
@@ -50,24 +46,13 @@ public class FragmentRepositoryMultiPathQueryImpl implements FragmentRepositoryM
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) {
+ "xpathTemporaryTable", cpsPathQueryList, "xpath");
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();
+ .getResultList();
log.debug("Fetched {} fragment entities by anchor and cps path.", fragmentEntities.size());
return fragmentEntities;
}
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/TempTableCreator.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/TempTableCreator.java
index d713746e45..338b0b1c64 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/TempTableCreator.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/TempTableCreator.java
@@ -1,6 +1,6 @@
/*-
* ============LICENSE_START=======================================================
- * Copyright (C) 2022 Nordix Foundation.
+ * 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.
@@ -20,8 +20,10 @@
package org.onap.cps.spi.repository;
+import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
+import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
@@ -63,6 +65,24 @@ public class TempTableCreator {
return tempTableName;
}
+ /**
+ * Create a uniquely named temporary table with a single column.
+ *
+ * @param prefix prefix for the table name (so you can recognize it)
+ * @param sqlData data to insert (strings only); each entry is a single row of data
+ * @param columnName column name
+ * @return a unique temporary table name with given prefix
+ */
+ public String createTemporaryTable(final String prefix,
+ final Collection<String> sqlData,
+ final String columnName) {
+ final Collection<List<String>> tableData = new ArrayList<>(sqlData.size());
+ for (final String entry : sqlData) {
+ tableData.add(Collections.singletonList(entry));
+ }
+ return createTemporaryTable(prefix, tableData, columnName);
+ }
+
private static void defineColumns(final StringBuilder sqlStringBuilder, final String[] columnNames) {
sqlStringBuilder.append('(');
final Iterator<String> it = Arrays.stream(columnNames).iterator();