CPS-314: Delete Dataspace

Issue-ID: CPS-314
Change-Id: I778e2b784c7b1ff3fecc1036425708dc4ec73227
Signed-off-by: niamhcore <niamh.core@est.tech>

3 files changed, 21 insertions, 3 deletions

diff --git a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsAdminPersistenceServiceImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsAdminPersistenceServiceImpl.java
index b1bd03c255..9c69006ece 100755
--- a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsAdminPersistenceServiceImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsAdminPersistenceServiceImpl.java
@@ -32,6 +32,7 @@ import org.onap.cps.spi.entities.AnchorEntity;
 import org.onap.cps.spi.entities.DataspaceEntity;
 import org.onap.cps.spi.entities.YangResourceModuleReference;
 import org.onap.cps.spi.exceptions.AlreadyDefinedException;
+import org.onap.cps.spi.exceptions.DataspaceInUseException;
 import org.onap.cps.spi.exceptions.ModuleNamesNotFoundException;
 import org.onap.cps.spi.model.Anchor;
 import org.onap.cps.spi.repository.AnchorRepository;
@@ -71,6 +72,22 @@ public class CpsAdminPersistenceServiceImpl implements CpsAdminPersistenceServic
     }
 
     @Override
+    public void deleteDataspace(final String dataspaceName) {
+        final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+        final int numberOfAssociatedAnchors = anchorRepository.countByDataspace(dataspaceEntity);
+        if (numberOfAssociatedAnchors != 0) {
+            throw new DataspaceInUseException(dataspaceName,
+                    String.format("Dataspace contains %d anchor(s)", numberOfAssociatedAnchors));
+        }
+        final int numberOfAssociatedSchemaSets = schemaSetRepository.countByDataspace(dataspaceEntity);
+        if (numberOfAssociatedSchemaSets != 0) {
+            throw new DataspaceInUseException(dataspaceName,
+                    String.format("Dataspace contains %d schemaset(s)", numberOfAssociatedSchemaSets));
+        }
+        dataspaceRepository.delete(dataspaceEntity);
+    }
+
+    @Override
     public void createAnchor(final String dataspaceName, final String schemaSetName, final String anchorName) {
         final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
         final var schemaSetEntity =
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/AnchorRepository.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/AnchorRepository.java
index 5870fd9e9b..471f1758cd 100755
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/AnchorRepository.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/AnchorRepository.java
@@ -45,6 +45,8 @@ public interface AnchorRepository extends JpaRepository<AnchorEntity, Integer> {
 
     Collection<AnchorEntity> findAllBySchemaSet(@NotNull SchemaSetEntity schemaSetEntity);
 
+    Integer countByDataspace(@NotNull DataspaceEntity dataspaceEntity);
+
     @Query(value = "SELECT anchor.* FROM yang_resource\n"
         + "JOIN schema_set_yang_resources ON schema_set_yang_resources.yang_resource_id = yang_resource.id\n"
         + "JOIN schema_set ON schema_set.id = schema_set_yang_resources.schema_set_id\n"
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 7b56f9323d..a15ce622c2 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
@@ -19,7 +19,6 @@
 
 package org.onap.cps.spi.repository;
 
-import java.util.List;
 import java.util.Optional;
 import javax.validation.constraints.NotNull;
 import org.onap.cps.spi.entities.DataspaceEntity;
@@ -31,11 +30,11 @@ import org.springframework.stereotype.Repository;
 @Repository
 public interface SchemaSetRepository extends JpaRepository<SchemaSetEntity, Integer> {
 
-    List<SchemaSetEntity> findAllByDataspace(@NotNull DataspaceEntity dataspaceEntity);
-
     Optional<SchemaSetEntity> findByDataspaceAndName(@NotNull DataspaceEntity dataspaceEntity,
         @NotNull String schemaSetName);
 
+    Integer countByDataspace(@NotNull DataspaceEntity dataspaceEntity);
+
     /**
      * Gets a schema set by dataspace and schema set name.
      *