PersistenceManager

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org.jgroups.persistence
Interface PersistenceManager

All Known Implementing Classes:: DBPersistenceManager, FilePersistenceManager

public interface PersistenceManager

Method Summary

void clear()
          Clears the complete NV state from the DB

java.io.Serializable remove(java.io.Serializable key)
          Remove existing NV from being persisted

java.util.Map retrieveAll()
          Gives back the Map in last known state

void save(java.io.Serializable key, java.io.Serializable val)
          Save new NV pair as serializable objects or if already exist; store new state

void saveAll(java.util.Map map)
          Use to store a complete map into persistent state

void shutDown()
          Used to handle shutdown call the PersistenceManager implementation.

Method Detail

save

public void save(java.io.Serializable key,
                 java.io.Serializable val)
          throws CannotPersistException

Save new NV pair as serializable objects or if already exist; store new state

remove

public java.io.Serializable remove(java.io.Serializable key)
                            throws CannotRemoveException

Remove existing NV from being persisted

saveAll

public void saveAll(java.util.Map map)
             throws CannotPersistException

Use to store a complete map into persistent state

retrieveAll

public java.util.Map retrieveAll()
                          throws CannotRetrieveException

Gives back the Map in last known state

clear

public void clear()
           throws CannotRemoveException

Clears the complete NV state from the DB

shutDown

public void shutDown()

Used to handle shutdown call the PersistenceManager implementation. Persistent engines can leave this implementation empty.