Package org.neo4j.graphdb.event

Interface DatabaseEventListener

public interface DatabaseEventListener
Event listener interface for independent database life cycle events. Listeners are invoked on the same thread as event handling itself as result any blocking operation in the listener will block execution of the event.

  • Method Details

    • databaseStart

      void databaseStart(DatabaseEventContext eventContext)
      This method is invoked after start of a specific database. Database is completely operational on the moment of notification.
      Parameters:
      eventContext - context of the event, can be used to get metadata.

    • databaseShutdown

      void databaseShutdown(DatabaseEventContext eventContext)
      This method is invoked before shutdown process of a specific database. Database is still completely operational on the moment of notification.
      Parameters:
      eventContext - context of the event, can be used to get metadata.

    • databasePanic

      void databasePanic(DatabaseEventContext eventContext)
      This method is invoked when the particular database enters a state from which it cannot recover and continue.
      Parameters:
      eventContext - context of the event, can be used to get metadata.

    • databaseCreate

      void databaseCreate(DatabaseEventContext eventContext)
      This method is invoked when a new database is created. This is called before databaseStart(DatabaseEventContext) and before any database components are available.
      Parameters:
      eventContext - context of the event, can be used to get metadata.

    • databaseDrop

      void databaseDrop(DatabaseEventContext eventContext)
      This method is invoked after the database is dropped. This is intended to be used when cleaning up database specific files after the database is deleted by the user.
      Parameters:
      eventContext - context of the event, can be used to get metadata.