Package org.scictrl.csshell.epics.server

Interface PersistentValueProcessor

All Superinterfaces:
ValueProcessor
public interface PersistentValueProcessor extends ValueProcessor
Implemented by those ValueProcessors, which want to be restored to a previous state after server is restarted. This functionality is active to those processors, which return true for method isPersistent() during activation procedure.
Author:
igor@scictrl.com

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    isPersistent()
    Presidency is only enabled, if this call returns true after configuration has been applied to value producer.
    void
    restore(org.apache.commons.configuration.Configuration store)
    ValueProcessor has a chance to restore it's internal state after server has been restart.
    void
    store(org.apache.commons.configuration.Configuration store)
    Stores internal state so it could be restored after server restart.

    Methods inherited from interface org.scictrl.csshell.epics.server.ValueProcessor

    activate, configure, getName, getRecord, getTimestamp, getTrigger, getType, getValue, process, setValue

  • Method Details

    • store

      void store(org.apache.commons.configuration.Configuration store)
      Stores internal state so it could be restored after server restart.
      Parameters:
      store - the persistence configuration store

    • restore

      void restore(org.apache.commons.configuration.Configuration store)
      ValueProcessor has a chance to restore it's internal state after server has been restart. This is called after configuration call and before activation call.
      Parameters:
      store - the persistence configuration store

    • isPersistent

      boolean isPersistent()
      Presidency is only enabled, if this call returns true after configuration has been applied to value producer.
      Returns:
      a boolean