Interface DataPersistenceProvider

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void deleteMessages​(long sequenceNumber)
      Deletes journal entries up to the given sequence number.
      void deleteSnapshots​(akka.persistence.SnapshotSelectionCriteria criteria)
      Deletes snapshots based on the given criteria.
      long getLastSequenceNumber()
      Returns the last sequence number contained in the journal.
      boolean isRecoveryApplicable()
      Returns whether or not persistence recovery is applicable/enabled.
      <T> void persist​(T entry, akka.japi.Procedure<T> procedure)
      Persists an entry to the applicable journal synchronously.
      <T> void persistAsync​(T entry, akka.japi.Procedure<T> procedure)
      Persists an entry to the applicable journal asynchronously.
      void saveSnapshot​(Object snapshot)
      Saves a snapshot.
    • Method Detail

      • isRecoveryApplicable

        boolean isRecoveryApplicable()
        Returns whether or not persistence recovery is applicable/enabled.
        Returns:
        true if recovery is applicable, otherwise false, in which case the provider is not persistent and may not have anything to be recovered
      • persist

        <T> void persist​(T entry,
                         akka.japi.Procedure<T> procedure)
        Persists an entry to the applicable journal synchronously.
        Type Parameters:
        T - the type of the journal entry
        Parameters:
        entry - the journal entry to persist
        procedure - the callback when persistence is complete
      • persistAsync

        <T> void persistAsync​(T entry,
                              akka.japi.Procedure<T> procedure)
        Persists an entry to the applicable journal asynchronously.
        Type Parameters:
        T - the type of the journal entry
        Parameters:
        entry - the journal entry to persist
        procedure - the callback when persistence is complete
      • saveSnapshot

        void saveSnapshot​(Object snapshot)
        Saves a snapshot.
        Parameters:
        snapshot - the snapshot object to save
      • deleteSnapshots

        void deleteSnapshots​(akka.persistence.SnapshotSelectionCriteria criteria)
        Deletes snapshots based on the given criteria.
        Parameters:
        criteria - the search criteria
      • deleteMessages

        void deleteMessages​(long sequenceNumber)
        Deletes journal entries up to the given sequence number.
        Parameters:
        sequenceNumber - the sequence number
      • getLastSequenceNumber

        long getLastSequenceNumber()
        Returns the last sequence number contained in the journal.
        Returns:
        the last sequence number