persistence

Type Members

1. class DuplicateKeyValException[P] extends PersistenceException

   

   an attempt to create or update a persistent object has failed because the underlying database has detected a uniqueness violation for a key.

2. class NotInDomainModelTranslationException extends TranslationException

   

   an exception thrown by a repository when translating between a persistent and a serialized form, and a type is encountered that is not a basic type or collection, and is not a persistent, entity, or key value defined by the domain model.

   an exception thrown by a repository when translating between a persistent and a serialized form, and a type is encountered that is not a basic type or collection, and is not a persistent, entity, or key value defined by the domain model.

   ideally, we would catch this kind of problem as early as possible. it could be in a unit test, or perhaps in a macro.

3. class PStateChangesDerivedPTypeException extends PersistenceException with UnrecoverableLongevityException

   

   an exception thrown when attempting to modify a PState for a PolyPType from one DerivedPType type to another

4. class PersistenceException extends LongevityException

   

   an exception involving persistence

5. class QueryException extends PersistenceException

   

   an exception that occurs when a Query cannot be handled by the repository.

   an exception that occurs when a Query cannot be handled by the repository.

   cassandra repositories cannot handle all kinds of queries, as cassandra CQL queries have some rather strict limitations. mongo and in-memory repositories can handle all queries.

6. class TranslationException extends PersistenceException with UnrecoverableLongevityException

   

   an exception thrown by a repository when translating between a persistent and a serialized form

7. class UnstablePrimaryKeyException[P] extends PersistenceException

   

   an exception thrown on attempt to persist an object with a modified primary key

8. class WriteConflictException[P] extends PersistenceException

   

   an exception thrown due to optimistic locking detection of a conflicting write