uk.ac.ic.doc.automed.util.persist
Interface PersistentHandler

All Known Subinterfaces:

DuplicatePersistentHandler

All Known Implementing Classes:

PersistentDB

public interface PersistentHandler

PersistentHandler.java Used by user application code to call appropriate persistent handler object

Author:

Duc M Le dmle@doc.ic.ac.uk Created on 03 August 2006 Department of Computing, Imperial College

Method Summary

void	close() Close the database
java.lang.Object	get(PersistentKey pkey) Get the first (or unique) data entry found for key
java.util.Iterator	iterator() Return an iterator of the entry set
void	put(PersistentKey pkey, java.lang.Object value) Place a data object into db
void	remove(PersistentKey pkey) Remove a single record identified by a common key from the database
void	removeAll() Clear database content

Method Detail

put

void put(PersistentKey pkey,
         java.lang.Object value)

Place a data object into db

get

java.lang.Object get(PersistentKey pkey)

Get the first (or unique) data entry found for key

remove

void remove(PersistentKey pkey)

Remove a single record identified by a common key from the database

iterator

java.util.Iterator iterator()

Return an iterator of the entry set

removeAll

void removeAll()

Clear database content

close

void close()

Close the database