org.nuiton.wikitty.storage

Interface WikittyStorage

All Known Implementing Classes:

WikittyStorageInMemory

public interface WikittyStorage

WikittyStorage is used to abstract data and extension storage in WikittyService.

Version:

$Revision: 1136 $ Last update: $Date: 2011-08-12 16:24:03 +0200 (Fri, 12 Aug 2011) $ by : $Author: tchemit $

Author:

poussin

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	WikittyStorage.DataStatistic
static interface	WikittyStorage.Scanner Call each time wikitty is scan.

Method Summary

Methods

Modifier and Type	Method and Description
WikittyEvent	clear(WikittyTransaction transaction) Remove all wikitty.
WikittyEvent	delete(WikittyTransaction transaction, Collection<String> idList) Delete all object with id argument.
boolean	exists(WikittyTransaction transaction, String id) Return true if id exists in storage.
WikittyStorage.DataStatistic	getDataStatistic(WikittyTransaction transaction) Return some statistique about the data
boolean	isDeleted(WikittyTransaction transaction, String id) Return true if wikitty object with this id are marked deleted.
Wikitty	restore(WikittyTransaction transaction, String id, String... fqFieldName) Restore list of wikitty object.
void	scanWikitties(WikittyTransaction transaction, WikittyStorage.Scanner scanner) Scan all wikitties with specific scanner, even if the wikitty is deleted.
WikittyEvent	store(WikittyTransaction transaction, Collection<Wikitty> wikitties, boolean force) Store wikitty in storage.

Method Detail

store

WikittyEvent store(WikittyTransaction transaction,
                 Collection<Wikitty> wikitties,
                 boolean force)

Store wikitty in storage. if force is true, wikitty in argument is all time stored. if wikitty already stored and deleted, wikitty is born again new version is computed as follow:

 if version in wikitty > version in database
   newversion = version in wikitty
 else
   newversion = version in database + 1
 

Parameters:

transaction - transaction

wikitties - wikitty collection

force - boolean force non version version increment on saved wikitty or force version on wikitty creation (version 0.0)

Returns:

information usefull for client side update data

exists

boolean exists(WikittyTransaction transaction,
             String id)

Return true if id exists in storage.

Parameters:

transaction - transaction

id - id to check

Returns:

true if wikitty id exists

isDeleted

boolean isDeleted(WikittyTransaction transaction,
                String id)

Return true if wikitty object with this id are marked deleted.

Parameters:

transaction - transaction

id - id to check

Returns:

true if wikitty id is deleted

restore

Wikitty restore(WikittyTransaction transaction,
              String id,
              String... fqFieldName)
                throws WikittyException

Restore list of wikitty object.

Parameters:

transaction - transaction

id - list of wikitty id

fqFieldName - list of field that must be loaded, other fields can be not loaded

Returns:

found wikitty

Throws:

WikittyException - if wikitty not found

delete

WikittyEvent delete(WikittyTransaction transaction,
                  Collection<String> idList)
                    throws WikittyException

Delete all object with id argument. Delete don't fail if wikitty don't existe or is already deleted.

Parameters:

transaction - transaction

idList -

Returns:

delete response (can be empty if no wikitty are realy deleted

Throws:

WikittyException - If id is not valid or don't exist.

scanWikitties

void scanWikitties(WikittyTransaction transaction,
                 WikittyStorage.Scanner scanner)

Scan all wikitties with specific scanner, even if the wikitty is deleted.

Parameters:

transaction - transaction

scanner - scanner

clear

WikittyEvent clear(WikittyTransaction transaction)

Remove all wikitty.

Parameters:

transaction - transaction

getDataStatistic

WikittyStorage.DataStatistic getDataStatistic(WikittyTransaction transaction)

Return some statistique about the data

Parameters:

transaction -

Returns:

Since:

3.0.5