Package ch.tocco.nice2.persist.entity.api.delete

Interface DeleteService

All Known Implementing Classes:

DeleteServiceImpl

public interface DeleteService

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	DeleteService.EntityData
static interface	DeleteService.EntityDeletionData	Contains a deleted entity and all its referenced entities that would be affected by a cascading delete.

Method Summary

Modifier and Type	Method	Description
Map<EntityId,DeleteService.EntityDeletionData>	createDeletionData(EntityModel model, List<PrimaryKey> keys)	Returns a report that contains information whether the the given entities may be deleted using a cascading delete.
List<EntityId>	deleteEntities(EntityModel model, List<PrimaryKey> keys)	Deletes all entities which are part of the deletion set created by createDeletionData(EntityModel, List).
default NoTaskDataPartitionedPersistTask<PrimaryKey,EntityId>	getPartitionedTask(EntityModel model)

Method Details

createDeletionData

Map<EntityId,DeleteService.EntityDeletionData> createDeletionData(EntityModel model,
 List<PrimaryKey> keys)

Returns a report that contains information whether the the given entities may be deleted using a cascading delete. The report also contains all entities that would be additionally deleted and all entities that would block the cascading delete.

Parameters:

model - the entity model

keys - keys of all entities that should be deleted.

deleteEntities

List<EntityId> deleteEntities(EntityModel model,
 List<PrimaryKey> keys)
                       throws DeleteException

Deletes all entities which are part of the deletion set created by createDeletionData(EntityModel, List).

Throws:

DeleteException - if the deletion set contains blocking entities, or read/delete permissions are missing

getPartitionedTask

default NoTaskDataPartitionedPersistTask<PrimaryKey,EntityId> getPartitionedTask(EntityModel model)