Interface NameEntityService<T extends Serializable>

Type Parameters:

T - 实体类型，必须实现Serializable接口

All Superinterfaces:

EntityService<T>, ExtService<T>

All Known Subinterfaces:

IdNameEntityService<T>

public interface NameEntityService<T extends Serializable>
extends EntityService<T>

基于@Name注解字段的实体服务接口 提供了根据实体中@Name注解标记的字段值进行删除、查询和存在性检查的操作

Author:

Kerbores(kerbores@gmail.com)

Field Summary

Fields inherited from interface ExtService

EQ, GT, GT_AND_EQ, IN, IS, IS_NOT, LIKE, LT, LT_AND_EQ, NEQ, NOT

Method Summary

Modifier and Type	Method	Description
default int	delete(String name)	根据@Name所在的属性的值删除一条记录
default boolean	exists(String name)	是否存在@Name所在的属性与指定值相符的记录
default T	fetch(String name)	根据@Name所在的属性的值获取一个实体对象

Methods inherited from interface EntityService

_clearLinks, _delete, _deleteLinks, _deleteWith, _fastInsert, _fetch, _fetchLinks, _fetchLinks, _insert, _insert, _insert, _insertLinks, _insertRelation, _insertWith, _query, _query, _update, _update, _updateIgnoreNull, _updateLinks, _updateWith, clear, clear, count, countByNutz, create, deletex, each, each, exists, fetch, fetchx, func, func, getEntity, getEntityType, getObject, getObject, insert, query, query, queryByNutz, setExpert, update, updateRelation

Methods inherited from interface ExtService

all, avg, avg, clearLinks, createSql, dao, delete, deleteLinks, deleteWith, entity, excute, executCountSql, executDeleteOrUpdateSql, fetch, fetch, fetchAsRecord, fetchByField, getCnd, getDefaultPageSize, insert, insert, insertLinks, insertRelation, insertWith, list, list, list, list, list, listAsBoolean, listAsInteger, listAsLong, listAsMap, listAsRecord, listAsString, makeChain, max, max, min, min, save, save, save, save, searchByKeyAndPage, searchByKeyAndPage, searchByKeyAndPage, searchByKeyAndPage, searchByKeyAndPage, searchByKeyAndPage, searchByKeyAndPage, searchByKeyAndPage, searchByKeyAndPage, searchByPage, searchByPage, searchByPage, searchByPage, searchByPage, searchByPage, searchByPage, sql, sum, sum, update, update, update, update, updateFields, updateIgnoreNull, updateLinks, updateWith

Method Details

delete

default int delete(String name)

根据@Name所在的属性的值删除一条记录

Parameters:

name - \@Name注解字段的值

Returns:

删除的记录数,通常是0或者1

fetch

default T fetch(String name)

根据@Name所在的属性的值获取一个实体对象

Parameters:

name - \@Name注解字段的值

Returns:

实体对象,若没有符合条件的记录,则返回null

exists

default boolean exists(String name)

是否存在@Name所在的属性与指定值相符的记录

Parameters:

name - \@Name注解字段的值

Returns:

true,如果存在符合条件的记录