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-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceQuery.java3
-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceRepository.java8
-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceRepositoryImpl.java46
-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/repository/TempTableCreator.java97
4 files changed, 111 insertions, 43 deletions
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceQuery.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceQuery.java
index 5e4de7fec4..00e53aa00f 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceQuery.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceQuery.java
@@ -28,6 +28,5 @@ import org.onap.cps.spi.model.ModuleReference;
*/
public interface ModuleReferenceQuery {
- Collection<ModuleReference> identifyNewModuleReferences(
- final Collection<ModuleReference> moduleReferencesToCheck);
+ Collection<ModuleReference> identifyNewModuleReferences(final Collection<ModuleReference> moduleReferencesToCheck);
}
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceRepository.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceRepository.java
index f70e218373..ef701bc7dc 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceRepository.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceRepository.java
@@ -20,16 +20,10 @@
package org.onap.cps.spi.repository;
-import java.util.Collection;
import org.onap.cps.spi.entities.YangResourceEntity;
-import org.onap.cps.spi.model.ModuleReference;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
@Repository
-public interface ModuleReferenceRepository extends JpaRepository<YangResourceEntity, Long>, ModuleReferenceQuery {
+public interface ModuleReferenceRepository extends JpaRepository<YangResourceEntity, Long>, ModuleReferenceQuery {}
- Collection<ModuleReference> identifyNewModuleReferences(
- final Collection<ModuleReference> moduleReferencesToCheck);
-
-} \ No newline at end of file
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceRepositoryImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceRepositoryImpl.java
index 681bbcddec..48982d51ff 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceRepositoryImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/ModuleReferenceRepositoryImpl.java
@@ -23,8 +23,8 @@ 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 java.util.UUID;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import lombok.AllArgsConstructor;
@@ -41,6 +41,8 @@ public class ModuleReferenceRepositoryImpl implements ModuleReferenceQuery {
@PersistenceContext
private EntityManager entityManager;
+ private TempTableCreator tempTableCreator;
+
@Override
@SneakyThrows
public Collection<ModuleReference> identifyNewModuleReferences(
@@ -50,42 +52,18 @@ public class ModuleReferenceRepositoryImpl implements ModuleReferenceQuery {
return Collections.emptyList();
}
- final String tempTableName = "moduleReferencesToCheckTemp"
- + UUID.randomUUID().toString().replace("-", "");
-
- createTemporaryTable(tempTableName);
- insertDataIntoTable(tempTableName, moduleReferencesToCheck);
-
- return identifyNewModuleReferencesForCmHandle(tempTableName);
- }
-
- private void createTemporaryTable(final String tempTableName) {
- final StringBuilder sqlStringBuilder = new StringBuilder("CREATE TEMPORARY TABLE " + tempTableName + "(");
- sqlStringBuilder.append(" id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,");
- sqlStringBuilder.append(" module_name varchar NOT NULL,");
- sqlStringBuilder.append(" revision varchar NOT NULL");
- sqlStringBuilder.append(");");
-
- entityManager.createNativeQuery(sqlStringBuilder.toString()).executeUpdate();
- }
-
- private void insertDataIntoTable(final String tempTableName, final Collection<ModuleReference> moduleReferences) {
- final StringBuilder sqlStringBuilder = new StringBuilder("INSERT INTO " + tempTableName);
- sqlStringBuilder.append(" (module_name, revision) ");
- sqlStringBuilder.append(" VALUES ");
-
- for (final ModuleReference moduleReference : moduleReferences) {
- sqlStringBuilder.append("('");
- sqlStringBuilder.append(moduleReference.getModuleName());
- sqlStringBuilder.append("', '");
- sqlStringBuilder.append(moduleReference.getRevision());
- sqlStringBuilder.append("'),");
+ final Collection<List<String>> sqlData = new HashSet<>(moduleReferencesToCheck.size());
+ for (final ModuleReference moduleReference : moduleReferencesToCheck) {
+ final List<String> row = new ArrayList<>(2);
+ row.add(moduleReference.getModuleName());
+ row.add(moduleReference.getRevision());
+ sqlData.add(row);
}
- // replace last ',' with ';'
- sqlStringBuilder.replace(sqlStringBuilder.length() - 1, sqlStringBuilder.length(), ";");
+ final String tempTableName = tempTableCreator.createTemporaryTable(
+ "moduleReferencesToCheckTemp", sqlData, "module_name", "revision");
- entityManager.createNativeQuery(sqlStringBuilder.toString()).executeUpdate();
+ return identifyNewModuleReferencesForCmHandle(tempTableName);
}
private Collection<ModuleReference> identifyNewModuleReferencesForCmHandle(final String tempTableName) {
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
new file mode 100644
index 0000000000..8cad9f5e4c
--- /dev/null
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/TempTableCreator.java
@@ -0,0 +1,97 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2022 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.Arrays;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.UUID;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+
+@Slf4j
+@Transactional
+@AllArgsConstructor
+@Component
+public class TempTableCreator {
+
+ @PersistenceContext
+ private EntityManager entityManager;
+
+ /**
+ * Create a uniquely named temporary table.
+ *
+ * @param prefix prefix for the table name (so you can recognize it)
+ * @param sqlData data to insert (strings only) the inner List present a row of data
+ * @param columnNames column names (in same order as data in rows in sqlData)
+ * @return a unique temporary table name with given prefix
+ */
+ public String createTemporaryTable(final String prefix,
+ final Collection<List<String>> sqlData,
+ final String... columnNames) {
+ final String tempTableName = prefix + UUID.randomUUID().toString().replace("-", "");
+ final StringBuilder sqlStringBuilder = new StringBuilder("CREATE TEMPORARY TABLE ");
+ sqlStringBuilder.append(tempTableName);
+ defineColumns(sqlStringBuilder, columnNames);
+ insertData(sqlStringBuilder, tempTableName, columnNames, sqlData);
+ entityManager.createNativeQuery(sqlStringBuilder.toString()).executeUpdate();
+ return tempTableName;
+ }
+
+ private static void defineColumns(final StringBuilder sqlStringBuilder, final String[] columnNames) {
+ sqlStringBuilder.append('(');
+ final Iterator<String> it = Arrays.stream(columnNames).iterator();
+ while (it.hasNext()) {
+ final String columnName = it.next();
+ sqlStringBuilder.append(" ");
+ sqlStringBuilder.append(columnName);
+ sqlStringBuilder.append(" varchar NOT NULL");
+ if (it.hasNext()) {
+ sqlStringBuilder.append(",");
+ }
+ }
+ sqlStringBuilder.append(");");
+ }
+
+ private static void insertData(final StringBuilder sqlStringBuilder,
+ final String tempTableName,
+ final String[] columnNames,
+ final Collection<List<String>> sqlData) {
+ final Collection<String> sqlInserts = new HashSet<>(sqlData.size());
+ for (final Collection<String> row : sqlData) {
+ sqlInserts.add("('" + String.join("','", row) + "')");
+ }
+ sqlStringBuilder.append("INSERT INTO ");
+ sqlStringBuilder.append(tempTableName);
+ sqlStringBuilder.append(" (");
+ sqlStringBuilder.append(String.join(",", columnNames));
+ sqlStringBuilder.append(") VALUES ");
+ sqlStringBuilder.append(String.join(",", sqlInserts));
+ sqlStringBuilder.append(";");
+ }
+
+}