at.ac.tuwien.infosys.jcloudscale.datastore.api

Interface Datastore

All Known Implementing Classes:

DatastoreImpl

public interface Datastore

Datastore API v1.0

Method Summary

Methods

Modifier and Type	Method and Description
void	addExternalLibrary(String name, LibWrapper libWrapper) Adds an external library for the given datastore
void	delete(Object object) Delete an object from the datastore
<T> void	deleteById(Class<T> clazz, String id) Delete the object with the given ID from the datastore
<T> T	find(Class<T> objectClass, String id) Find an object by the given id.
DatastoreDriver	getDatastoreDriver() Get the driver for the datastore
String	getDataUnit() Get the name of the data unit
LibWrapper	getExternalLibrary(String name) Get the external library with the given name
String	getHost() Get the host of the datastore
String	getName() Get the name of the datastore
Integer	getPort() Get the port of the datastore
String	getProperty(String propertyName) Get given property for datastore
<T> void	migrate(Datastore to, Class<T> objectClass, MigrationCallback<T> callback, String... ids) Migrate the objects with the given ids to the given datastore
<T> void	migrate(Datastore to, Class<T> objectClass, String id) Migrate the object with the given id to the given datastore
void	save(Object object) Save an object in the datastore
void	update(Object object) Update an object in the datastore

Method Detail

getName

String getName()

Get the name of the datastore

Returns:

name of the datastore

getHost

String getHost()

Get the host of the datastore

Returns:

the host of the datastore

getPort

Integer getPort()

Get the port of the datastore

Returns:

the port of the datastore

getDataUnit

String getDataUnit()

Get the name of the data unit

Returns:

name of the data unit

getDatastoreDriver

DatastoreDriver getDatastoreDriver()

Get the driver for the datastore

Returns:

the driver for the datastore

getProperty

String getProperty(String propertyName)

Get given property for datastore

Parameters:

propertyName - name of the property

Returns:

the datastore property

addExternalLibrary

void addExternalLibrary(String name,
                      LibWrapper libWrapper)

Adds an external library for the given datastore

Parameters:

name - the name to use for the library

libWrapper - the wrapper for the external library

getExternalLibrary

LibWrapper getExternalLibrary(String name)

Get the external library with the given name

Parameters:

name - the given name

Returns:

the external library

save

void save(Object object)

Save an object in the datastore

Parameters:

object - object to store in datastore

find

<T> T find(Class<T> objectClass,
         String id)

Find an object by the given id.

Type Parameters:

T - type of the searched object

Parameters:

objectClass - class of the wanted object

id - id to search for

Returns:

object resulting from the search

delete

void delete(Object object)

Delete an object from the datastore

Parameters:

object - the object to delete

deleteById

<T> void deleteById(Class<T> clazz,
                  String id)

Delete the object with the given ID from the datastore

Parameters:

clazz - the class of the object to delete

id - the given ID

update

void update(Object object)

Update an object in the datastore

Parameters:

object - the object to update

migrate

<T> void migrate(Datastore to,
               Class<T> objectClass,
               String id)

Migrate the object with the given id to the given datastore

Parameters:

to - the datastore to migrate to

objectClass - the class of the object to migrate

id - the id of the object to migrate

migrate

<T> void migrate(Datastore to,
               Class<T> objectClass,
               MigrationCallback<T> callback,
               String... ids)

Migrate the objects with the given ids to the given datastore

Parameters:

to - the datastore to migrate to

objectClass - the class of the objects to migrate

callback - the callback object

ids - the ids of the objects to migrate