Interface PersistenceIdsQuery

  • All Superinterfaces:
    ReadJournal
    All Known Implementing Classes:
    LeveldbReadJournal

    public interface PersistenceIdsQuery
    extends ReadJournal
    A plugin may optionally support this query by implementing this interface.
    • Method Detail

      • persistenceIds

        Source<java.lang.String,​NotUsed> persistenceIds()
        Query all PersistentActor identifiers, i.e. as defined by the persistenceId of the PersistentActor.

        The stream is not completed when it reaches the end of the currently used persistenceIds, but it continues to push new persistenceIds when new persistent actors are created. Corresponding query that is completed when it reaches the end of the currently currently used persistenceIds is provided by CurrentPersistenceIdsQuery.currentPersistenceIds().

        Returns:
        (undocumented)