[SI-1022] adjustments due to code review

Signed-off-by: Holger Rudolph <holger.rudolph@pta.de>
diff --git a/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/controller/FailureInformationDistributionGroupController.java b/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/controller/FailureInformationDistributionGroupController.java
index 49abe23..79e3817 100644
--- a/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/controller/FailureInformationDistributionGroupController.java
+++ b/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/controller/FailureInformationDistributionGroupController.java
@@ -67,11 +67,11 @@
             @ApiResponse(code = 200, message = "Verteilergruppe erfolgreich zugeordnet"),
             @ApiResponse(code = 500, message = "Konnte nicht durchgeführt werden")
     })
-    public ResponseEntity<FailureInformationDistributionGroupDto> insertFailureInfoGroup(
+    public ResponseEntity<FailureInformationDistributionGroupDto> insertFailureInfoDistributionGroup(
             @PathVariable UUID failureInfoUuid,
             @Validated @RequestBody DistributionGroupDto dgDto) {
 
-        FailureInformationDistributionGroupDto savedGfDgDto = failureInformationDistributionGroupService.insertFailureInfoGroup(failureInfoUuid, dgDto);
+        FailureInformationDistributionGroupDto savedGfDgDto = failureInformationDistributionGroupService.insertFailureInfoDistributionGroup(failureInfoUuid, dgDto);
         URI location = ServletUriComponentsBuilder
                 .fromCurrentRequestUri()
                 .path("/{groupid}")
@@ -88,10 +88,10 @@
             @ApiResponse(code = 400, message = "Ungültige Anfrage"),
             @ApiResponse(code = 404, message = "Nicht gefunden")
     })
-    public void deleteFailureInfoGroup(
+    public void deleteFailureInfoDistributionGroup(
             @PathVariable UUID failureInfoUuid,
             @PathVariable UUID groupUuid) {
-        failureInformationDistributionGroupService.deleteFailureInfoGroup(failureInfoUuid, groupUuid);
+        failureInformationDistributionGroupService.deleteFailureInfoDistributionGroup(failureInfoUuid, groupUuid);
     }
 
 }
diff --git a/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/model/TblDistributionGroup.java b/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/model/TblDistributionGroup.java
index 3cf89c4..32d253d 100644
--- a/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/model/TblDistributionGroup.java
+++ b/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/model/TblDistributionGroup.java
@@ -17,8 +17,6 @@
 import lombok.Data;
 
 import javax.persistence.*;
-import java.util.HashSet;
-import java.util.Set;
 import java.util.UUID;
 
 @Data
@@ -33,7 +31,4 @@
     private String name;
     private String distributionText;
 
-    @ManyToMany(mappedBy = "distributionGroups")
-    private Set<TblFailureInformation> failureInformations = new HashSet<>();
-
 }
diff --git a/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/service/FailureInformationDistributionGroupService.java b/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/service/FailureInformationDistributionGroupService.java
index b2404c9..02f9881 100644
--- a/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/service/FailureInformationDistributionGroupService.java
+++ b/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/service/FailureInformationDistributionGroupService.java
@@ -65,13 +65,13 @@
     }
 
     @Transactional
-    public FailureInformationDistributionGroupDto insertFailureInfoGroup(UUID failureInfoUuid, DistributionGroupDto groupDto) {
+    public FailureInformationDistributionGroupDto insertFailureInfoDistributionGroup(UUID failureInfoUuid, DistributionGroupDto groupDto) {
 
         TblFailureInformation failureInformation = failureInformationRepository.findByUuid(failureInfoUuid)
-                .orElseThrow(NotFoundException::new);
+                .orElseThrow( () -> new NotFoundException("failure.info.uuid.not.existing"));
 
         TblDistributionGroup distributionGroup = distributionGroupRepository.findByUuid(groupDto.getUuid())
-                .orElseThrow(NotFoundException::new);
+                .orElseThrow( () -> new NotFoundException("distribution.group.uuid.not.existing"));
 
         List<TblDistributionGroup> distributionGroups =  failureInformation.getDistributionGroups();
         for (TblDistributionGroup group : distributionGroups) {
@@ -91,7 +91,7 @@
     }
 
     @Transactional
-    public void deleteFailureInfoGroup(UUID failureInfoUuid, UUID groupUuid) {
+    public void deleteFailureInfoDistributionGroup(UUID failureInfoUuid, UUID groupUuid) {
         TblFailureInformation failureInformation = failureInformationRepository.findByUuid(failureInfoUuid)
                 .orElseThrow( () -> new BadRequestException("failure.info.uuid.not.existing"));
 
diff --git a/gfsBackendService/src/test/java/org/eclipse/openk/gridfailureinformation/controller/FailureInformationDistributionGroupControllerTest.java b/gfsBackendService/src/test/java/org/eclipse/openk/gridfailureinformation/controller/FailureInformationDistributionGroupControllerTest.java
index 143cb43..c738b26 100644
--- a/gfsBackendService/src/test/java/org/eclipse/openk/gridfailureinformation/controller/FailureInformationDistributionGroupControllerTest.java
+++ b/gfsBackendService/src/test/java/org/eclipse/openk/gridfailureinformation/controller/FailureInformationDistributionGroupControllerTest.java
@@ -63,7 +63,7 @@
     public void shouldAssignDistributionGroupToFailureInfo() throws Exception {
         FailureInformationDistributionGroupDto failureInfoGroupDto = MockDataHelper.mockFailureInformationDistributionGroupDto();
 
-        when( failureInformationDistributionGroupService.insertFailureInfoGroup(any(UUID.class), any(DistributionGroupDto.class))).thenReturn(failureInfoGroupDto);
+        when( failureInformationDistributionGroupService.insertFailureInfoDistributionGroup(any(UUID.class), any(DistributionGroupDto.class))).thenReturn(failureInfoGroupDto);
 
         mockMvc.perform(post("/grid-failure-informations/" + UUID.randomUUID().toString() + "/distribution-groups")
                 .contentType(MediaType.APPLICATION_JSON)
@@ -74,7 +74,7 @@
     }
 
     @Test
-    public void shouldDeleteGroupForFailureInformation() throws Exception {
+    public void shouldDeleteDistributionGroupForFailureInformation() throws Exception {
         mockMvc.perform(delete("/grid-failure-informations/" + UUID.randomUUID().toString() + "/distribution-groups/" + UUID.randomUUID())
                 .contentType(MediaType.APPLICATION_JSON))
                 .andExpect(status().is2xxSuccessful());
diff --git a/gfsBackendService/src/test/java/org/eclipse/openk/gridfailureinformation/service/FailureInformationDistributionGroupServiceTest.java b/gfsBackendService/src/test/java/org/eclipse/openk/gridfailureinformation/service/FailureInformationDistributionGroupServiceTest.java
index a3be4d2..b0c4943 100644
--- a/gfsBackendService/src/test/java/org/eclipse/openk/gridfailureinformation/service/FailureInformationDistributionGroupServiceTest.java
+++ b/gfsBackendService/src/test/java/org/eclipse/openk/gridfailureinformation/service/FailureInformationDistributionGroupServiceTest.java
@@ -91,7 +91,7 @@
         when(distributionGroupRepository.findByUuid(any(UUID.class))).thenReturn(Optional.of(distributionGroup));
         when(failureInformationDistributionGroupRepository.save(any(TblFailureInformationDistributionGroup.class))).thenReturn(failureInfoGroup);
 
-        FailureInformationDistributionGroupDto savedDto = failureInformationDistributionGroupService.insertFailureInfoGroup(UUID.randomUUID(), groupDto);
+        FailureInformationDistributionGroupDto savedDto = failureInformationDistributionGroupService.insertFailureInfoDistributionGroup(UUID.randomUUID(), groupDto);
 
         assertNotNull(savedDto.getDistributionGroupId());
         assertEquals(savedDto.getDistributionGroupId(), failureInfoGroup.getFkTblDistributionGroup());
@@ -109,7 +109,7 @@
         when(failureInformationDistributionGroupRepository.findByFkTblFailureInformationAndFkTblDistributionGroup(anyLong(), anyLong())).thenReturn(Optional.of(failureInfoGroup));
         Mockito.doNothing().when(failureInformationDistributionGroupRepository).delete( isA( TblFailureInformationDistributionGroup.class ));
 
-        failureInformationDistributionGroupService.deleteFailureInfoGroup(UUID.randomUUID(), UUID.randomUUID());
+        failureInformationDistributionGroupService.deleteFailureInfoDistributionGroup(UUID.randomUUID(), UUID.randomUUID());
 
         Mockito.verify(failureInformationDistributionGroupRepository, times(1)).delete( failureInfoGroup );
     }