eu.europeana.api.commons.nosql.service.impl

Class AbstractNoSqlServiceImpl<E extends NoSqlEntity,T extends Serializable>

java.lang.Object

eu.europeana.api.commons.nosql.service.impl.AbstractNoSqlServiceImpl<E,T>

Type Parameters:

E - The type of the concrete NoSql Entity

T - The type of the serializable class for id attribute

All Implemented Interfaces:

AbstractNoSqlService<E,T>

public abstract class AbstractNoSqlServiceImpl<E extends NoSqlEntity,T extends Serializable>
extends Object
implements AbstractNoSqlService<E,T>

Implementation od the AbstractNoSqlService

Constructor Summary

Constructors

Constructor and Description
AbstractNoSqlServiceImpl()

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)
protected NosqlDao<E,T>	getDao() Getter for DAO, only available for internal usage.
void	remove(T id)
void	setDao(NosqlDao<E,T> dao) Used by Bean configuration to inject Entity based DAO.
E	store(E object)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractNoSqlServiceImpl

public AbstractNoSqlServiceImpl()

Method Detail

remove

public void remove(T id)

Specified by:

remove in interface AbstractNoSqlService<E extends NoSqlEntity,T extends Serializable>

Parameters:

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

findByID

public E findByID(T id)

Specified by:

findByID in interface AbstractNoSqlService<E extends NoSqlEntity,T extends Serializable>

Parameters:

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

Returns:

the database object

findAll

public Iterable<E> findAll()

Description copied from interface: AbstractNoSqlService

Find all elements for this service.

Specified by:

findAll in interface AbstractNoSqlService<E extends NoSqlEntity,T extends Serializable>

Returns:

All entities for the defined entity type

store

public E store(E object)

Specified by:

store in interface AbstractNoSqlService<E extends NoSqlEntity,T extends Serializable>

Parameters:

object - - the object to be stored in the database

Returns:

the persisted object

exists

public boolean exists(T id)

Description copied from interface: AbstractNoSqlService

Checks if a entity with the given ID exists.

Specified by:

exists in interface AbstractNoSqlService<E extends NoSqlEntity,T extends Serializable>

Parameters:

id - - the database ID

Returns:

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

count

public long count()

Description copied from interface: AbstractNoSqlService

Returns a count of all records

Specified by:

count in interface AbstractNoSqlService<E extends NoSqlEntity,T extends Serializable>

Returns:

the number of total records

setDao

public final void setDao(NosqlDao<E,T> dao)

Used by Bean configuration to inject Entity based DAO.

Parameters:

dao - DAO object with entity based generic set

getDao

protected NosqlDao<E,T> getDao()

Getter for DAO, only available for internal usage.

Returns:

Generic DAO class