org.fryske_akademy.ejb

Interface CrudReadService

All Superinterfaces:

Serializable

All Known Subinterfaces:

Auditing

All Known Implementing Classes:

AbstractCrudService, AbstractCrudServiceEnvers

public interface CrudReadService
extends Serializable

Generic interface for read operations on entities.

Author:

eduard

See Also:

CrudReadService.SORTORDER, Param

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	CrudReadService.SORTORDER

Method Summary

Modifier and Type	Method and Description
int	count(String namedQuery, List<Param> params) Call this using the same parameters as in find(java.lang.String, java.util.List, java.lang.Integer, java.lang.Integer, java.lang.Class) to get to know the total number of results
int	countDynamic(List<Param> params, Class type) Call this using the same parameters as in findDynamic to get to know the total number of results
<T extends Serializable> T	find(Serializable id, Class<T> type)
<T extends Serializable> List<T>	find(String namedQuery, List<Param> params, Integer first, Integer max, Class<T> type)
<T extends Serializable> List<T>	findAll(Class<T> type)
<T extends Serializable> List<T>	findDynamic(Integer first, Integer pageSize, Map<String,CrudReadService.SORTORDER> sort, List<Param> params, Class<T> type)
<T extends Serializable> List<T>	findNative(String namedNativeQuery, List<Param> params, Integer first, Integer max, Class<T> type)
<T extends Serializable> T	findOne(String namedQuery, List<Param> params, Class<T> type) return one result or null, multiple results throws an exception
int	getDefaultPageSize() Return a default page size when no max is given, negative value means no limit

Method Detail

getDefaultPageSize

int getDefaultPageSize()

Return a default page size when no max is given, negative value means no limit

Returns:

find

<T extends Serializable> T find(Serializable id,
                                Class<T> type)

findAll

<T extends Serializable> List<T> findAll(Class<T> type)

findDynamic

<T extends Serializable> List<T> findDynamic(Integer first,
                                             Integer pageSize,
                                             Map<String,CrudReadService.SORTORDER> sort,
                                             List<Param> params,
                                             Class<T> type)

Type Parameters:

T -

Parameters:

first - defaults to 0

pageSize - defaults to getDefaultPageSize()

sort -

params -

type -

Returns:

countDynamic

int countDynamic(List<Param> params,
                 Class type)

Call this using the same parameters as in findDynamic to get to know the total number of results

Parameters:

params -

type -

Returns:

find

<T extends Serializable> List<T> find(String namedQuery,
                                      List<Param> params,
                                      Integer first,
                                      Integer max,
                                      Class<T> type)

Type Parameters:

T -

Parameters:

namedQuery -

params -

first - defaults to 0

pageSize - defaults to getDefaultPageSize()

type -

Returns:

findNative

<T extends Serializable> List<T> findNative(String namedNativeQuery,
                                            List<Param> params,
                                            Integer first,
                                            Integer max,
                                            Class<T> type)

Type Parameters:

T -

Parameters:

namedNativeQuery -

params -

first - defaults to 0

pageSize - defaults to getDefaultPageSize()

type -

Returns:

count

int count(String namedQuery,
          List<Param> params)

Call this using the same parameters as in find(java.lang.String, java.util.List, java.lang.Integer, java.lang.Integer, java.lang.Class) to get to know the total number of results

Parameters:

namedQuery -

params -

Returns:

findOne

<T extends Serializable> T findOne(String namedQuery,
                                   List<Param> params,
                                   Class<T> type)

return one result or null, multiple results throws an exception

Type Parameters:

T -

Parameters:

namedQuery -

params -

type -

Returns: