yawn.io
Interface IStorage

All Known Implementing Classes:

XmlStorage

public interface IStorage

A storage of instances of IPersistent sub-classes. $Id: IStorage.java,v 1.3 2005/04/07 17:28:25 supermarti Exp $

Version:

$Revision: 1.3 $

Author:

Alexei Guevara

Method Summary

void	flush()
java.lang.String	generateKey(java.lang.Object object)
java.lang.Object	get(java.lang.String key) Retrieves the IPersistent implementor instance that matches the provided id.
java.lang.Object[]	getAll() Retrieves all the instances of IPersistent implementors present in the underlying storage.
IContext	getContext()
void	insert(java.lang.Object object, java.lang.String key) Inserts an instance of a IPersistent implementor in the underlying storage.
void	setContext(IContext context)
void	update(java.lang.Object object, java.lang.String key)

Method Detail

setContext

void setContext(IContext context)

getContext

IContext getContext()

insert

void insert(java.lang.Object object,
            java.lang.String key)
            throws StorageException,
                   DuplicateKeyException

Inserts an instance of a IPersistent implementor in the underlying storage.

Parameters:

object - The IPersistent implementor instance to store.

Throws:

StorageException

DuplicateKeyException

generateKey

java.lang.String generateKey(java.lang.Object object)

update

void update(java.lang.Object object,
            java.lang.String key)
            throws KeyNotPresentException,
                   StorageException

Throws:

KeyNotPresentException

StorageException

get

java.lang.Object get(java.lang.String key)
                     throws StorageException,
                            KeyNotPresentException

Retrieves the IPersistent implementor instance that matches the provided id.

Parameters:

thePersistentId - The provided id.

Returns:

The IPersistent implementor instance that matches the provided id, or null if not matching instance is found.

Throws:

StorageException

KeyNotPresentException

getAll

java.lang.Object[] getAll()
                          throws StorageException

Retrieves all the instances of IPersistent implementors present in the underlying storage.

Returns:

All the retrieved instances.

Throws:

StorageException

flush

void flush()