top.onceio.core.db.model

类 DaoHelper

java.lang.Object

top.onceio.core.db.model.DaoHelper

所有已实现的接口:

DDLDao, TransDao

public class DaoHelper
extends Object
implements DDLDao, TransDao

增 单个添加，批量添加, 不重复添加删 主键删除，条件删除改 主键更改，非null更改，表达式更改，条件批量更改 删 主键删除，条件删除 改 主键更改，非null更改，表达式更改，条件批量更改 查 外连接，内连接，子查询，视图（子查询，With，视图，物化视图，union） 函数

构造器概要

构造器

构造器和说明
DaoHelper()
DaoHelper(JdbcHelper jdbcHelper, IdGenerator idGenerator)

方法概要

限定符和类型	方法和说明
<E extends BaseModel,M extends BaseMeta> int	batchInsert(List<E> entities)
int[]	batchUpdate(String... sql)
int[]	batchUpdate(String sql, List<Object[]> batchArgs)
void	beginTransaction(int level, boolean readOnly)
List<Object[]>	call(String sql, Object[] args) 返回数据中list[0] 是字段名，list[1-n]是字段所对应的数据
void	commit()
<E extends BaseModel,M extends BaseMeta> long	count(Class<E> tbl)
<E extends BaseModel,M extends BaseMeta> long	count(Class<E> tbl, BaseMeta<M> cnd)
<E extends BaseModel,M extends BaseMeta> int	delete(Class<E> tbl, BaseMeta<M> cnd)
<E,ID extends Serializable> int	deleteById(Class<E> tbl, ID id)
<E,ID extends Serializable> int	deleteByIds(Class<E> tbl, List<ID> ids)
<E extends BaseModel> boolean	drop(Class<E> tbl)
boolean	exist(Class<?> tbl)
<E extends BaseModel,M extends BaseMeta> E	fetch(Class<E> tbl, BaseMeta<M> cnd)
<E extends BaseModel,M extends BaseMeta> List<E>	find(Class<E> tbl, BaseMeta<M> cnd)
<E extends BaseModel,M extends BaseMeta> void	find(Class<E> tbl, BaseMeta<M> cnd, Consumer<E> consumer)
<E extends BaseModel,M extends BaseMeta> Page<E>	find(Class<E> tbl, BaseMeta<M> cnd, int page, int pageSize)
<E extends BaseModel,M extends BaseMeta,ID extends Serializable> List<E>	findByIds(Class<E> tbl, List<ID> ids)
<E extends BaseModel,M extends BaseMeta,ID extends Serializable> E	get(Class<E> tbl, ID id)
List<Class<? extends BaseModel>>	getEntities()
IdGenerator	getIdGenerator()
JdbcHelper	getJdbcHelper()
Map<Class<?>,TableMeta>	getTableToTableMata()
void	init(Collection<Class<?>> classes)
<E extends BaseModel,M extends BaseMeta> E	insert(E entity)
void	rollback()
void	rollback(Savepoint sp)
void	setIdGenerator(IdGenerator idGenerator)
void	setJdbcHelper(JdbcHelper jdbcHelper)
Savepoint	setSavepoint()
void	setTableToTableMata(Map<Class<?>,TableMeta> tableToTableMeta)
<E extends BaseModel,M extends BaseMeta> int	update(E entity)
<E extends BaseModel,M extends BaseMeta> int	updateBy(Class<E> tbl, BaseMeta<M> tpl)
<E extends BaseModel,M extends BaseMeta> int	updateIgnoreNull(E entity)

从类继承的方法 java.lang.Object

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

构造器详细资料

DaoHelper

public DaoHelper()

DaoHelper

public DaoHelper(JdbcHelper jdbcHelper,
                 IdGenerator idGenerator)

方法详细资料

exist

public boolean exist(Class<?> tbl)

init

public void init(Collection<Class<?>> classes)

参数:

classes - 有效参数分3种类 1. 表，继承BaseModel且标注Model.class注解的 2. 视图，继承BaseModel、标注Model.class注解的并且实现DefView接口的 3. SQL定义，标注DefSQL注解的

getEntities

public List<Class<? extends BaseModel>> getEntities()

getIdGenerator

public IdGenerator getIdGenerator()

setIdGenerator

public void setIdGenerator(IdGenerator idGenerator)

getJdbcHelper

public JdbcHelper getJdbcHelper()

setJdbcHelper

public void setJdbcHelper(JdbcHelper jdbcHelper)

getTableToTableMata

public Map<Class<?>,TableMeta> getTableToTableMata()

setTableToTableMata

public void setTableToTableMata(Map<Class<?>,TableMeta> tableToTableMeta)

drop

public <E extends BaseModel> boolean drop(Class<E> tbl)

指定者:

drop 在接口中 DDLDao

batchUpdate

public int[] batchUpdate(String... sql)

指定者:

batchUpdate 在接口中 DDLDao

batchUpdate

public int[] batchUpdate(String sql,
                         List<Object[]> batchArgs)

指定者:

batchUpdate 在接口中 DDLDao

call

public List<Object[]> call(String sql,
                           Object[] args)

返回数据中list[0] 是字段名，list[1-n]是字段所对应的数据

指定者:

call 在接口中 DDLDao

参数:

sql - 使用替代符的SQL语句

args - SQL参数列表

返回:

list[n]:row data list[0] is the columnNames,list[1] is the first row data of thus columns.

beginTransaction

public void beginTransaction(int level,
                             boolean readOnly)

指定者:

beginTransaction 在接口中 TransDao

setSavepoint

public Savepoint setSavepoint()

指定者:

setSavepoint 在接口中 TransDao

rollback

public void rollback()

指定者:

rollback 在接口中 TransDao

rollback

public void rollback(Savepoint sp)

指定者:

rollback 在接口中 TransDao

commit

public void commit()

指定者:

commit 在接口中 TransDao

get

public <E extends BaseModel,M extends BaseMeta,ID extends Serializable> E get(Class<E> tbl,
                                                                              ID id)

insert

public <E extends BaseModel,M extends BaseMeta> E insert(E entity)

batchInsert

public <E extends BaseModel,M extends BaseMeta> int batchInsert(List<E> entities)

update

public <E extends BaseModel,M extends BaseMeta> int update(E entity)

updateIgnoreNull

public <E extends BaseModel,M extends BaseMeta> int updateIgnoreNull(E entity)

updateBy

public <E extends BaseModel,M extends BaseMeta> int updateBy(Class<E> tbl,
                                                             BaseMeta<M> tpl)

deleteById

public <E,ID extends Serializable> int deleteById(Class<E> tbl,
                                                  ID id)

deleteByIds

public <E,ID extends Serializable> int deleteByIds(Class<E> tbl,
                                                   List<ID> ids)

delete

public <E extends BaseModel,M extends BaseMeta> int delete(Class<E> tbl,
                                                           BaseMeta<M> cnd)

count

public <E extends BaseModel,M extends BaseMeta> long count(Class<E> tbl)

count

public <E extends BaseModel,M extends BaseMeta> long count(Class<E> tbl,
                                                           BaseMeta<M> cnd)

find

public <E extends BaseModel,M extends BaseMeta> List<E> find(Class<E> tbl,
                                                             BaseMeta<M> cnd)

find

public <E extends BaseModel,M extends BaseMeta> Page<E> find(Class<E> tbl,
                                                             BaseMeta<M> cnd,
                                                             int page,
                                                             int pageSize)

fetch

public <E extends BaseModel,M extends BaseMeta> E fetch(Class<E> tbl,
                                                        BaseMeta<M> cnd)

find

public <E extends BaseModel,M extends BaseMeta> void find(Class<E> tbl,
                                                          BaseMeta<M> cnd,
                                                          Consumer<E> consumer)

findByIds

public <E extends BaseModel,M extends BaseMeta,ID extends Serializable> List<E> findByIds(Class<E> tbl,
                                                                                          List<ID> ids)