eu.europeana.api.commons.nosql.service

Interface AbstractNoSqlService<E extends NoSqlEntity,T extends Serializable>

All Known Implementing Classes:

AbstractNoSqlServiceImpl

public interface AbstractNoSqlService<E extends NoSqlEntity,T extends Serializable>

Author:

Willem-Jan Boogerd, Sven Schlarb

Method Summary

Modifier and Type	Method and Description
long	count() Returns a count of all records
boolean	exists(T id) Checks if a entity with the given ID exists.
Iterable<E>	findAll() Find all elements for this service.
E	findByID(T id)
void	remove(T id)
E	store(E object)

Method Detail

store

E store(E object)

Parameters:

object - - the object to be stored in the database

Returns:

the persisted object

remove

void remove(T id)

Parameters:

id - - the database id of the object to be deleted

count

long count()

Returns a count of all records

Returns:

the number of total records

findAll

Iterable<E> findAll()

Find all elements for this service.

Returns:

All entities for the defined entity type

findByID

E findByID(T id)

Parameters:

id - the database ID for the object persisted in the database

Returns:

the database object

exists

boolean exists(T id)

Checks if a entity with the given ID exists.

Parameters:

id - - the database ID

Returns:

true if the object with the given id is found in database