PersistenceManager
public class DBPersistenceManager extends java.lang.Object implements PersistenceManager
Modifier and Type | Field | Description |
---|---|---|
protected org.apache.commons.logging.Log |
log |
Constructor | Description |
---|---|
DBPersistenceManager(java.io.InputStream input) |
Duplicate constructor allowing inputstream
|
DBPersistenceManager(java.lang.String filename) |
Default construct
|
Modifier and Type | Method | Description |
---|---|---|
void |
clear() |
Clears the key-cache as well as all entries
|
protected void |
init(java.io.InputStream in) |
used to intitiailize complete DB access.
|
java.io.Serializable |
remove(java.io.Serializable key) |
Removes existing entry.
|
java.util.Map |
retrieveAll() |
Used to retrieve the persisted map back to its last known state
|
void |
save(java.io.Serializable key,
java.io.Serializable val) |
Saves NV pair as serializable object;
creates if new, stores new state if already exists.
|
void |
saveAll(java.util.Map map) |
Saves all row entries for the map to DB.
|
void |
shutDown() |
Shutting down the database cleanly
|
public DBPersistenceManager(java.lang.String filename) throws java.lang.Exception
filename
- absolute filepathjava.lang.Exception
public DBPersistenceManager(java.io.InputStream input) throws java.lang.Exception
input
- java.lang.Exception
protected void init(java.io.InputStream in) throws java.lang.Exception
in
- java.lang.Exception
public void save(java.io.Serializable key, java.io.Serializable val) throws CannotPersistException
save
in interface PersistenceManager
key
- val
- CannotPersistException
public java.io.Serializable remove(java.io.Serializable key) throws CannotRemoveException
remove
in interface PersistenceManager
key
- CannotRemoveException
public void saveAll(java.util.Map map) throws CannotPersistException
saveAll
in interface PersistenceManager
map
- CannotPersistException
public java.util.Map retrieveAll() throws CannotRetrieveException
retrieveAll
in interface PersistenceManager
CannotRetrieveException
public void clear() throws CannotRemoveException
clear
in interface PersistenceManager
CannotRemoveException
public void shutDown()
shutDown
in interface PersistenceManager
Copyright ? 1998-2008 Bela Ban. All Rights Reserved.