org.dromara.mendmix.mybatis.core

接口 BaseMapper<T extends BaseEntity,ID extends Serializable>

public interface BaseMapper<T extends BaseEntity,ID extends Serializable>

作者:

vakin

方法概要

限定符和类型	方法和说明
int	batchLogicDelete(List<ID> ids)
int	batchUpdateByPrimaryKeys(List<ID> ids, T example)
long	countAll()
long	countByExample(Object example)
Integer	deleteByExample(Object example)
int	deleteByPrimaryKey(ID id)
int	deleteByPrimaryKeys(List<ID> ids)
void	insert(T entity) 保存（持久化）对象
void	insertList(List<T> entities) 批量插入
void	insertSelective(T entity)
List<T>	selectAll()
List<T>	selectByExample(Object example)
T	selectByPrimaryKey(ID id) 获取指定的唯一标识符对应的持久化对象
List<T>	selectByPrimaryKeys(List<ID> ids)
T	selectOneByExample(Object example)
int	updateByPrimaryKey(T entity)
int	updateByPrimaryKeySelective(T entity)
int	updateByPrimaryKeyWithVersion(T entity) 带乐观锁更新
int	updateListByPrimaryKeys(List<T> entities)
int	updateListByPrimaryKeysSelective(List<T> entities) 批量更新对象 （jdbc连接需指定allowMultiQueries=true）

方法详细资料

insert

void insert(T entity)

保存（持久化）对象

参数:

entity - 要持久化的对象

insertSelective

void insertSelective(T entity)

updateByPrimaryKey

int updateByPrimaryKey(T entity)

参数:

entity -

updateByPrimaryKeySelective

int updateByPrimaryKeySelective(T entity)

参数:

entity -

updateByPrimaryKeyWithVersion

@UpdateProvider(type=UpdateWithVersionProvider.class,
                method="updateByPrimaryKeyWithVersion")
 @ResultType(value=int.class)
int updateByPrimaryKeyWithVersion(T entity)

带乐观锁更新

参数:

entity -

selectByPrimaryKey

T selectByPrimaryKey(ID id)

获取指定的唯一标识符对应的持久化对象

参数:

id - 指定的唯一标识符

返回:

指定的唯一标识符对应的持久化对象，如果没有对应的持久化对象，则返回null。

selectAll

List<T> selectAll()

deleteByPrimaryKey

int deleteByPrimaryKey(ID id)

deleteByPrimaryKeys

int deleteByPrimaryKeys(List<ID> ids)

insertList

void insertList(List<T> entities)

批量插入

参数:

entities -

countAll

long countAll()

selectByPrimaryKeys

List<T> selectByPrimaryKeys(List<ID> ids)

countByExample

@SelectProvider(type=CountByExampleProvider.class,
                method="countByExample")
 @ResultType(value=java.lang.Long.class)
long countByExample(Object example)

selectByExample

@SelectProvider(type=SelectByExampleProvider.class,
                method="selectByExample")
 @ResultMap(value="BaseResultMap")
List<T> selectByExample(Object example)

batchLogicDelete

int batchLogicDelete(List<ID> ids)

batchUpdateByPrimaryKeys

int batchUpdateByPrimaryKeys(@Param(value="ids")
                             List<ID> ids,
                             @Param(value="example")
                             T example)

updateListByPrimaryKeys

int updateListByPrimaryKeys(List<T> entities)

updateListByPrimaryKeysSelective

int updateListByPrimaryKeysSelective(List<T> entities)

批量更新对象 （jdbc连接需指定allowMultiQueries=true）

参数:

entities -

返回:

deleteByExample

@DeleteProvider(type=DeleteByExampleProvider.class,
                method="deleteByExample")
 @ResultType(value=java.lang.Integer.class)
Integer deleteByExample(Object example)

selectOneByExample

@SelectProvider(type=SelectOneByExampleProvider.class,
                method="selectOneByExample")
 @ResultMap(value="BaseResultMap")
T selectOneByExample(Object example)