io.vertigo.dynamo.impl.store.datastore

Interface DataStorePlugin

All Superinterfaces:

Component, Plugin

All Known Implementing Classes:

AbstractSqlDataStorePlugin, AbstractStaticDataStorePlugin, HsqlDataStorePlugin, JpaDataStorePlugin, OracleDataStorePlugin, PostgreSqlDataStorePlugin, SqlServerDataStorePlugin

public interface DataStorePlugin
extends Plugin

The DataStorePlugin class defines the logical way used to read and write data in a data store. This plugin can be implemented in a sql or no sql way. this datatore is linked to a dataSpace. Several dtDefinition can be included in a dataSpace.

Author:

pchretien

Method Summary

Methods

Modifier and Type	Method and Description
int	count(DtDefinition dtDefinition) Returns the number of elements contained in the definition.
void	create(DtDefinition dtDefinition, DtObject dto) Creates an object.
void	delete(DtDefinition dtDefinition, URI<?> uri) Deletes an object identified by an uri.
<D extends DtObject> DtList<D>	findAll(DtDefinition dtDefinition, DtListURIForCriteria<D> uri) Récupération d'une liste correspondant à l'URI fournie.
<D extends DtObject> DtList<D>	findAll(DtDefinition dtDefinition, DtListURIForNNAssociation uri) Récupération d'une liste correspondant à l'URI fournie.
<D extends DtObject> DtList<D>	findAll(DtDefinition dtDefinition, DtListURIForSimpleAssociation uri) Récupération d'une liste correspondant à l'URI fournie.
String	getConnectionName()
String	getDataSpace()
void	merge(DtDefinition dtDefinition, DtObject dto) Merges an object.
<D extends DtObject> D	read(DtDefinition dtDefinition, URI<D> uri) Récupération de l'objet correspondant à l'URI fournie.
<D extends DtObject> D	readForUpdate(DtDefinition dtDefinition, URI<?> uri) Load for update.
void	update(DtDefinition dtDefinition, DtObject dto) Updates an object.

Method Detail

getDataSpace

String getDataSpace()

Returns:

the dataSpace

getConnectionName

String getConnectionName()

Returns:

the name of the connection

count

int count(DtDefinition dtDefinition)

Returns the number of elements contained in the definition.

Parameters:

dtDefinition - Définition de DT

Returns:

the number of elements

read

<D extends DtObject> D read(DtDefinition dtDefinition,
                          URI<D> uri)

Récupération de l'objet correspondant à l'URI fournie. Peut-être null.

Type Parameters:

D - Type de l'objet

Parameters:

uri - URI de l'objet à charger

dtDefinition - Definition

Returns:

D correspondant à l'URI fournie.

findAll

<D extends DtObject> DtList<D> findAll(DtDefinition dtDefinition,
                                     DtListURIForNNAssociation uri)

Récupération d'une liste correspondant à l'URI fournie. NOT NULL

Type Parameters:

D - Type de l'objet

Parameters:

uri - URI de la collection à charger

dtDefinition - Definition

Returns:

DtList Liste correspondant à l'URI fournie

findAll

<D extends DtObject> DtList<D> findAll(DtDefinition dtDefinition,
                                     DtListURIForSimpleAssociation uri)

Récupération d'une liste correspondant à l'URI fournie. NOT NULL

Type Parameters:

D - Type de l'objet

Parameters:

uri - URI de la collection à charger

dtDefinition - Definition

Returns:

DtList Liste correspondant à l'URI fournie

findAll

<D extends DtObject> DtList<D> findAll(DtDefinition dtDefinition,
                                     DtListURIForCriteria<D> uri)

Récupération d'une liste correspondant à l'URI fournie. NOT NULL

Type Parameters:

D - Type de l'objet

Parameters:

uri - URI de la collection à charger

dtDefinition - Definition

Returns:

DtList Liste correspondant à l'URI fournie

create

void create(DtDefinition dtDefinition,
          DtObject dto)

Creates an object. No object with the same id must have been created previously.

Parameters:

dtDefinition - Definition

dto - Object to create

update

void update(DtDefinition dtDefinition,
          DtObject dto)

Updates an object. This object must have an id.

Parameters:

dtDefinition - Definition

dto - Object to update

merge

void merge(DtDefinition dtDefinition,
         DtObject dto)

Merges an object. Strategy to create or update this object depends on the state of the database. - If this object is already created : update - If this object is not found : create

Parameters:

dtDefinition - Definition

dto - Object to merge

delete

void delete(DtDefinition dtDefinition,
          URI<?> uri)

Deletes an object identified by an uri.

Parameters:

dtDefinition - Definition

uri - URI

readForUpdate

<D extends DtObject> D readForUpdate(DtDefinition dtDefinition,
                                   URI<?> uri)

Load for update. Can be null.

Type Parameters:

D - Object type

Parameters:

dtDefinition - Object's definition

uri - Object's uri

Returns:

D Object value.