Package com.eduix.genexp.storage

Interface StorageService

All Known Implementing Classes:

AbstractStorageService, DatabaseStorageService

public interface StorageService

An interface for study element storage service.

Author:

Jarkko Leponiemi

Method Summary

Modifier and Type	Method	Description
boolean	exists(String id, String type)
<T> T	get(String id, String type, Class<T> clazz)	Get one element from storage.
String	getName()
boolean	isApplicable(String type)
<T> StorageSearchResult<T>	search(StorageQuery query, Class<T> clazz)	Query study elements from the storage
void	store(StorageContext storageContext)	Stores a study element.

Method Detail

getName

String getName()

Returns:

the name of the storage service

isApplicable

boolean isApplicable(String type)

Parameters:

type - study element type

Returns:

true, if storage service is applicable for the given study element type

store

void store(StorageContext storageContext)

Stores a study element.

Parameters:

storageContext - a contect including the study element

exists

boolean exists(String id,
               String type)

Parameters:

id - study element id

type - study element type

Returns:

true, if the study element defined by type and id exists in the storage

get

<T> T get(String id,
          String type,
          Class<T> clazz)

Get one element from storage.

Type Parameters:

T - study element or null

Parameters:

id - study element id

type - study element type

Returns:

search

<T> StorageSearchResult<T> search(StorageQuery query,
                                  Class<T> clazz)

Query study elements from the storage

Type Parameters:

T - the type used for representing the study elements

Parameters:

query - the query object

clazz - the class used for representing study elements

Returns:

the result of the query in a result object