br.pucrio.tecgraf.soma.serviceapi.persistence.repository

Interface Repository<T,W extends Specification<T>>

All Known Implementing Classes:

JPARepository

public interface Repository<T,W extends Specification<T>>

Method Summary

Modifier and Type	Method and Description
void	add(T element) Add an element
long	count(W specification) Count elements that matches a given specification
List<T>	find(W specification, Integer maxResult, Integer offset, Sort... sorts) Get elements that matches a given specification
List<T>	find(W specification, Integer maxResult, Sort... sorts) Get elements that matches a given specification
List<T>	find(W specification, Sort... sorts) Get elements that matches a given specification
T	first(W specification, Sort... sorts) Get the first element that matches a given specification
void	remove(T element) Removes element
void	update(T element) Updates element

Method Detail

add

void add(T element)

Add an element

Parameters:

element - to be added

remove

void remove(T element)

Removes element

Parameters:

element - element to be removed

update

void update(T element)

Updates element

Parameters:

element - new element

find

List<T> find(W specification,
             Sort... sorts)

Get elements that matches a given specification

Parameters:

specification - a query specification

sorts - specify one or more attributes that should be used to sort the result

Returns:

elements that matches the given specification

find

List<T> find(W specification,
             Integer maxResult,
             Sort... sorts)

Get elements that matches a given specification

Parameters:

specification - a query specification

maxResult - an upper limit to the number of elements returned in the result

sorts - specify one or more attributes that should be used to sort the result

Returns:

elements that matches the given specification

find

List<T> find(W specification,
             Integer maxResult,
             Integer offset,
             Sort... sorts)

Get elements that matches a given specification

Parameters:

specification - a query specification

maxResult - an upper limit to the number of elements returned in the result

offset - the position of the first result to retrieve.

sorts - specify one or more attributes that should be used to sort the result

Returns:

elements that matches the given specification

count

long count(W specification)

Count elements that matches a given specification

Parameters:

specification - a query specification

Returns:

number of elements that matches the given specification

first

T first(W specification,
        Sort... sorts)

Get the first element that matches a given specification

Parameters:

specification - a query specification

sorts - specify one or more attributes that should be used to sort the result

Returns:

the first element that matches the given specification or null if none matches