package org.onap.cps.spi.repository;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.PersistenceContext;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
+import java.util.HashSet;
import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.UUID;
-import java.util.stream.Collectors;
-import javax.persistence.EntityManager;
-import javax.persistence.PersistenceContext;
import lombok.AllArgsConstructor;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
-import org.onap.cps.spi.CpsDataPersistenceService;
-import org.onap.cps.spi.FetchDescendantsOption;
-import org.onap.cps.spi.model.CmHandleQueryParameters;
-import org.onap.cps.spi.model.DataNode;
import org.onap.cps.spi.model.ModuleReference;
import org.springframework.transaction.annotation.Transactional;
@PersistenceContext
private EntityManager entityManager;
- private final CpsDataPersistenceService cpsDataPersistenceService;
+ private TempTableCreator tempTableCreator;
@Override
@SneakyThrows
public Collection<ModuleReference> identifyNewModuleReferences(
- final Collection<ModuleReference> moduleReferencesToCheck) {
+ final Collection<ModuleReference> moduleReferencesToCheck) {
if (moduleReferencesToCheck == null || moduleReferencesToCheck.isEmpty()) {
return Collections.emptyList();
}
- final String tempTableName = "moduleReferencesToCheckTemp"
- + UUID.randomUUID().toString().replace("-", "");
-
- createTemporaryTable(tempTableName);
- insertDataIntoTable(tempTableName, moduleReferencesToCheck);
-
- return identifyNewModuleReferencesForCmHandle(tempTableName);
- }
-
- /**
- * Query and return cm handles that match the given query parameters.
- *
- * @param cmHandleQueryParameters the cm handle query parameters
- * @return collection of cm handle ids
- */
- @Override
- public Set<String> queryCmHandles(final CmHandleQueryParameters cmHandleQueryParameters) {
-
- if (cmHandleQueryParameters.getPublicProperties().entrySet().isEmpty()) {
- return getAllCmHandles();
- }
-
- final Collection<DataNode> amalgamatedQueryResult = new ArrayList<>();
- int queryConditionCounter = 0;
- for (final Map.Entry<String, String> entry : cmHandleQueryParameters.getPublicProperties().entrySet()) {
- final StringBuilder cmHandlePath = new StringBuilder();
- cmHandlePath.append("//public-properties[@name='").append(entry.getKey()).append("' ");
- cmHandlePath.append("and @value='").append(entry.getValue()).append("']");
- cmHandlePath.append("/ancestor::cm-handles");
-
- final Collection<DataNode> singleConditionQueryResult =
- cpsDataPersistenceService.queryDataNodes("NCMP-Admin",
- "ncmp-dmi-registry", String.valueOf(cmHandlePath), FetchDescendantsOption.OMIT_DESCENDANTS);
- if (++queryConditionCounter == 1) {
- amalgamatedQueryResult.addAll(singleConditionQueryResult);
- } else {
- amalgamatedQueryResult.retainAll(singleConditionQueryResult);
- }
-
- if (amalgamatedQueryResult.isEmpty()) {
- break;
- }
- }
-
- return extractCmHandleIds(amalgamatedQueryResult);
- }
-
- private Set<String> getAllCmHandles() {
- final Collection<DataNode> cmHandles = cpsDataPersistenceService.queryDataNodes("NCMP-Admin",
- "ncmp-dmi-registry", "//public-properties/ancestor::cm-handles",
- FetchDescendantsOption.OMIT_DESCENDANTS);
- return extractCmHandleIds(cmHandles);
- }
-
- private Set<String> extractCmHandleIds(final Collection<DataNode> cmHandles) {
- return cmHandles.stream().map(cmHandle -> cmHandle.getLeaves().get("id").toString())
- .collect(Collectors.toSet());
- }
-
- 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) {
final String sql = String.format(
- "SELECT %1$s.module_name, %1$s.revision"
- + " FROM %1$s LEFT JOIN yang_resource"
- + " ON yang_resource.module_name=%1$s.module_name"
- + " AND yang_resource.revision=%1$s.revision"
- + " WHERE yang_resource.module_name IS NULL;", tempTableName);
+ "SELECT %1$s.module_name, %1$s.revision"
+ + " FROM %1$s LEFT JOIN yang_resource"
+ + " ON yang_resource.module_name=%1$s.module_name"
+ + " AND yang_resource.revision=%1$s.revision"
+ + " WHERE yang_resource.module_name IS NULL;", tempTableName);
@SuppressWarnings("unchecked")
final List<Object[]> resultsAsObjects = entityManager.createNativeQuery(sql).getResultList();