Bulk delete schemasets in CM handle deregistration

- Batch delete schema sets in single query
- Call deleteUnusedYangResourceModules once per batch, not per CM handle
- Results for deregistering 10k: 14 mins before; 6 mins after

Issue-ID: CPS-1423
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: Ia3a86a0dc88677323e2f386253a99022a7f02603

3 files changed, 31 insertions, 4 deletions

diff --git a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsModulePersistenceServiceImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsModulePersistenceServiceImpl.java
index c9f9a78ef..b4366de75 100755
--- a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsModulePersistenceServiceImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsModulePersistenceServiceImpl.java
@@ -1,6 +1,6 @@
 /*
  *  ============LICENSE_START=======================================================
- *  Copyright (C) 2020-2022 Nordix Foundation
+ *  Copyright (C) 2020-2023 Nordix Foundation
  *  Modifications Copyright (C) 2020-2022 Bell Canada.
  *  Modifications Copyright (C) 2021 Pantheon.tech
  *  Modifications Copyright (C) 2022 TechMahindra Ltd.
@@ -193,6 +193,13 @@ public class CpsModulePersistenceServiceImpl implements CpsModulePersistenceServ
 
     @Override
     @Transactional
+    public void deleteSchemaSets(final String dataspaceName, final Collection<String> schemaSetNames) {
+        final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+        schemaSetRepository.deleteByDataspaceAndNameIn(dataspaceEntity, schemaSetNames);
+    }
+
+    @Override
+    @Transactional
     public void deleteUnusedYangResourceModules() {
         yangResourceRepository.deleteOrphans();
     }
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/impl/utils/CpsValidatorImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/impl/utils/CpsValidatorImpl.java
index 064583142..1f61ee3c5 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/impl/utils/CpsValidatorImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/impl/utils/CpsValidatorImpl.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.
@@ -21,6 +21,7 @@
 package org.onap.cps.spi.impl.utils;
 
 import com.google.common.collect.Lists;
+import java.util.Arrays;
 import java.util.Collection;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -37,13 +38,18 @@ public class CpsValidatorImpl implements CpsValidator {
 
     @Override
     public void validateNameCharacters(final String... names) {
+        validateNameCharacters(Arrays.asList(names));
+    }
+
+    @Override
+    public void validateNameCharacters(final Iterable<String> names) {
         for (final String name : names) {
             final Collection<Character> charactersOfName = Lists.charactersOf(name);
             for (final char unsupportedCharacter : UNSUPPORTED_NAME_CHARACTERS) {
                 if (charactersOfName.contains(unsupportedCharacter)) {
                     throw new DataValidationException("Name or ID Validation Error.",
-                            name + " invalid token encountered at position "
-                                    + (name.indexOf(unsupportedCharacter) + 1));
+                        name + " invalid token encountered at position "
+                            + (name.indexOf(unsupportedCharacter) + 1));
                 }
             }
         }
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/SchemaSetRepository.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/SchemaSetRepository.java
index 8cecb0a8e..98d442010 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/SchemaSetRepository.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/SchemaSetRepository.java
@@ -2,6 +2,7 @@
  *  ============LICENSE_START=======================================================
  *  Copyright (C) 2020 Pantheon.tech
  *  Modifications Copyright (C) 2022 TechMahindra Ltd.
+ *  Modifications Copyright (C) 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.
@@ -29,6 +30,9 @@ import org.onap.cps.spi.entities.DataspaceEntity;
 import org.onap.cps.spi.entities.SchemaSetEntity;
 import org.onap.cps.spi.exceptions.SchemaSetNotFoundException;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 @Repository
@@ -70,4 +74,14 @@ public interface SchemaSetRepository extends JpaRepository<SchemaSetEntity, Inte
     default List<SchemaSetEntity> getByDataspace(@NotNull final DataspaceEntity dataspaceEntity) {
         return findByDataspace(dataspaceEntity).stream().collect(Collectors.toList());
     }
+
+    /**
+     * Delete multiple schema sets in a given dataspace.
+     * @param dataspaceEntity dataspace entity
+     * @param schemaSetNames  schema set names
+     */
+    @Modifying
+    @Query("DELETE FROM SchemaSetEntity s WHERE s.dataspace = :dataspaceEntity AND s.name IN (:schemaSetNames)")
+    void deleteByDataspaceAndNameIn(@NotNull @Param("dataspaceEntity") final DataspaceEntity dataspaceEntity,
+                                    @NotNull @Param("schemaSetNames") final Collection<String> schemaSetNames);
 }