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Enhydra 3.1 API | ||||||||
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SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
Persitent storage interface.
Method Summary | |
void |
delete(java.lang.String key)
Method to delete a a key. |
boolean |
exists(java.lang.String key)
Method to query if an an object is stored. |
java.util.Enumeration |
keys()
Method that returns an enumration of the keys of this persistent store. |
java.lang.Object |
remove(java.lang.String key)
Method to simultaneously retrieve and remove an object from persistent store. |
java.lang.Object |
retrieve(java.lang.String key)
Method to retrieve a stored object. |
void |
store(java.lang.String key,
java.io.Serializable obj)
Method to store and object (persistent). |
Method Detail |
public void store(java.lang.String key, java.io.Serializable obj) throws PersistentStoreException
key
- The key by which to identify the stored object.obj
- The serializable object to store.public java.lang.Object retrieve(java.lang.String key) throws PersistentStoreException
key
- The key of the user whose session
is to be retreived.null
is returned.remove(java.lang.String)
public java.lang.Object remove(java.lang.String key) throws PersistentStoreException
key
- The key by which to identify the stored object
that is to be removed.public void delete(java.lang.String key) throws PersistentStoreException
key
- The key to remove.public boolean exists(java.lang.String key) throws PersistentStoreException
key
- The key by which to identify the stored object.public java.util.Enumeration keys() throws PersistentStoreException
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