org.beangle.commons.dao

Interface EntityDao

public interface EntityDao

dao 查询辅助类

Author:

chaostone

Method Summary

Modifier and Type	Method and Description
long	count(Class<?> entityClass, String[] attrs, Object[] values, String countAttr)
long	count(Class<?> entityClass, String keyName, Object value)
long	count(String entityName, String keyName, Object value)
Blob	createBlob(InputStream inputStream)
Blob	createBlob(InputStream inputStream, int length)
Clob	createClob(String str)
boolean	duplicate(Class<? extends Entity<?>> clazz, Serializable id, String codeName, Object codeValue)
boolean	duplicate(String entityName, Serializable id, Map<String,Object> params)
void	evict(Object entity)
void	execute(Operation... opts) 在同一个session保存、删除
void	execute(Operation.Builder builder) 执行一个操作构建者提供的一系列操作
int	executeUpdate(String query, Map<String,Object> parameterMap) 执行JPQL/NamedQuery进行更新或者删除
int	executeUpdate(String query, Object... arguments) 执行JPQL/NamedQuery 进行更新或者删除
int[]	executeUpdateRepeatly(String query, Collection<Object[]> arguments) 重复执行单个JPQL/NamedQuery语句
boolean	exist(Class<?> entity, String[] attrs, Object[] values)
boolean	exist(Class<?> entityClass, String attr, Object value)
boolean	exist(String entityName, String attr, Object value)
<T extends Entity<ID>,ID extends Serializable> List<T>	get(Class<T> entityClass, Collection<ID> values) 根据属性列举实体
<T extends Entity<ID>,ID extends Serializable> T	get(Class<T> clazz, ID id) 查询指定id的对象
<T extends Entity<ID>,ID extends Serializable> List<T>	get(Class<T> entityClass, ID[] values) 根据属性列举实体
<T extends Entity<?>> List<T>	get(Class<T> clazz, Map<String,Object> parameterMap)
<T extends Entity<?>> List<T>	get(Class<T> clazz, String[] attrs, Object... values)
<T extends Entity<?>> List<T>	get(Class<T> clazz, String keyName, Collection<?> values) 根据属性列举实体
<T extends Entity<?>> List<T>	get(Class<T> clazz, String keyName, Object... values) 根据属性列举实体
<T> T	get(String entityName, Serializable id) Returns model by identifier,null when not found.
<T> List<T>	get(String entityName, String keyName, Object... values) 根据属性列举实体
<T extends Entity<?>> List<T>	getAll(Class<T> clazz) Returns a list of all entity of clazz.
<T> T	initialize(T entity) Initialize entity whenever session close or open
void	refresh(Object entity)
boolean	remove(Class<?> entityClass, Map<String,Object> parameterMap) 批量删除对象
boolean	remove(Class<?> entityClass, String attr, Collection<?> values) 批量删除对象
boolean	remove(Class<?> entityClass, String attr, Object... values) 批量删除对象
void	remove(Collection<?> entities) 删除集合内的所有对象
void	remove(Object... entities) 删除单个对象
void	save(Object... entities) 保存单个或多个实体.
void	saveOrUpdate(Collection<?> entities) Save Collection
void	saveOrUpdate(Object... entities) 保存或更新单个或多个实体.
void	saveOrUpdate(String entityName, Collection<?> entities) Save collection of given entity name.
void	saveOrUpdate(String entityName, Object... entities) 按照实体名称，保存单个或多个实体.
<T> List<T>	search(Query<T> query) 执行查询
<T> List<T>	search(QueryBuilder<T> builder) 查询hql语句
<T> List<T>	search(String query, Map<String,Object> params) JPQL/NamedQuery
<T> List<T>	search(String query, Map<String,Object> params, PageLimit limit, boolean cacheable) 支持缓存的JPQL/NamedQuery 查询
<T> List<T>	search(String query, Object... params) JPQL/NamedQuery query语句中使用?1表示参数.NamedQuery使用@Named-Query-Name
<T> T	uniqueResult(QueryBuilder<T> builder) 查询hql语句
int	update(Class<?> entityClass, String attr, Object[] values, Map<String,Object> updateParams) Update entity's property value describe in upateParams where attr in values.
int	update(Class<?> entityClass, String attr, Object[] values, String[] argumentName, Object[] argumentValue) Update entity set argumentName=argumentValue where attr in values.

Method Detail

get

<T extends Entity<ID>,ID extends Serializable> T get(Class<T> clazz,
                                                     ID id)

查询指定id的对象

Parameters:

clazz - 类型

id - 唯一标识

Returns:

null

get

<T> T get(String entityName,
          Serializable id)

Returns model by identifier,null when not found.

Parameters:

entityName -

id -

getAll

<T extends Entity<?>> List<T> getAll(Class<T> clazz)

Returns a list of all entity of clazz.

Parameters:

clazz -

get

<T extends Entity<ID>,ID extends Serializable> List<T> get(Class<T> entityClass,
                                                           ID[] values)

根据属性列举实体

Parameters:

entityClass -

values -

get

<T extends Entity<ID>,ID extends Serializable> List<T> get(Class<T> entityClass,
                                                           Collection<ID> values)

根据属性列举实体

Parameters:

entityClass -

values -

get

<T extends Entity<?>> List<T> get(Class<T> clazz,
                                  String keyName,
                                  Object... values)

根据属性列举实体

Parameters:

clazz -

keyName -

values -

get

<T extends Entity<?>> List<T> get(Class<T> clazz,
                                  String keyName,
                                  Collection<?> values)

根据属性列举实体

Type Parameters:

T -

Parameters:

clazz -

keyName -

values -

get

<T extends Entity<?>> List<T> get(Class<T> clazz,
                                  String[] attrs,
                                  Object... values)

Type Parameters:

T -

Parameters:

clazz -

attrs -

values -

get

<T extends Entity<?>> List<T> get(Class<T> clazz,
                                  Map<String,Object> parameterMap)

Type Parameters:

T -

Parameters:

clazz -

parameterMap -

get

<T> List<T> get(String entityName,
                String keyName,
                Object... values)

根据属性列举实体

Parameters:

entityName -

keyName -

values -

search

<T> List<T> search(Query<T> query)

执行查询

Parameters:

query -

search

<T> List<T> search(QueryBuilder<T> builder)

查询hql语句

Type Parameters:

T -

Parameters:

builder -

uniqueResult

<T> T uniqueResult(QueryBuilder<T> builder)

查询hql语句

Type Parameters:

T -

Parameters:

builder -

search

<T> List<T> search(String query,
                   Object... params)

JPQL/NamedQuery
query语句中使用?1表示参数.NamedQuery使用@Named-Query-Name

Parameters:

query -

params -

search

<T> List<T> search(String query,
                   Map<String,Object> params)

JPQL/NamedQuery

Parameters:

query -

params -

search

<T> List<T> search(String query,
                   Map<String,Object> params,
                   PageLimit limit,
                   boolean cacheable)

支持缓存的JPQL/NamedQuery
查询

Parameters:

query -

params -

limit -

cacheable -

executeUpdate

int executeUpdate(String query,
                  Object... arguments)

执行JPQL/NamedQuery 进行更新或者删除

Parameters:

query -

arguments -

executeUpdateRepeatly

int[] executeUpdateRepeatly(String query,
                            Collection<Object[]> arguments)

重复执行单个JPQL/NamedQuery语句

Parameters:

query -

arguments -

executeUpdate

int executeUpdate(String query,
                  Map<String,Object> parameterMap)

执行JPQL/NamedQuery进行更新或者删除

Parameters:

query -

parameterMap -

saveOrUpdate

void saveOrUpdate(Object... entities)

保存或更新单个或多个实体.

save

void save(Object... entities)

保存单个或多个实体.

saveOrUpdate

void saveOrUpdate(Collection<?> entities)

Save Collection

Parameters:

entities -

saveOrUpdate

void saveOrUpdate(String entityName,
                  Object... entities)

按照实体名称，保存单个或多个实体.

Parameters:

entityName -

entities -

saveOrUpdate

void saveOrUpdate(String entityName,
                  Collection<?> entities)

Save collection of given entity name.

Parameters:

entityName -

entities -

update

int update(Class<?> entityClass,
           String attr,
           Object[] values,
           Map<String,Object> updateParams)

Update entity's property value describe in upateParams where attr in values.

Parameters:

entityClass -

attr -

values -

updateParams -

update

int update(Class<?> entityClass,
           String attr,
           Object[] values,
           String[] argumentName,
           Object[] argumentValue)

Update entity set argumentName=argumentValue where attr in values.

Parameters:

entityClass -

attr -

values -

argumentName -

argumentValue -

remove

void remove(Object... entities)

删除单个对象

Parameters:

entities -

remove

void remove(Collection<?> entities)

删除集合内的所有对象

Parameters:

entities -

remove

boolean remove(Class<?> entityClass,
               String attr,
               Object... values)

批量删除对象

Parameters:

entityClass - 对象对应的类

attr - 得到对象的key

values - 要修改的values的值集合

Returns:

是否删除成功

remove

boolean remove(Class<?> entityClass,
               String attr,
               Collection<?> values)

批量删除对象

Parameters:

entityClass - (对象对应的类)

attr - (得到对象的key)

values - (要修改的ids的值集合)

Returns:

是否删除成功

remove

boolean remove(Class<?> entityClass,
               Map<String,Object> parameterMap)

批量删除对象

Parameters:

entityClass -

parameterMap - (取得对象的key的name和value对应的Map)

Returns:

是否删除成功

createBlob

Blob createBlob(InputStream inputStream,
                int length)

createBlob

Blob createBlob(InputStream inputStream)

createClob

Clob createClob(String str)

evict

void evict(Object entity)

initialize

<T> T initialize(T entity)

Initialize entity whenever session close or open

Type Parameters:

T -

Parameters:

entity -

refresh

void refresh(Object entity)

count

long count(String entityName,
           String keyName,
           Object value)

count

long count(Class<?> entityClass,
           String keyName,
           Object value)

count

long count(Class<?> entityClass,
           String[] attrs,
           Object[] values,
           String countAttr)

exist

boolean exist(Class<?> entityClass,
              String attr,
              Object value)

exist

boolean exist(String entityName,
              String attr,
              Object value)

exist

boolean exist(Class<?> entity,
              String[] attrs,
              Object[] values)

duplicate

boolean duplicate(String entityName,
                  Serializable id,
                  Map<String,Object> params)

duplicate

boolean duplicate(Class<? extends Entity<?>> clazz,
                  Serializable id,
                  String codeName,
                  Object codeValue)

execute

void execute(Operation... opts)

在同一个session保存、删除

Parameters:

opts -

execute

void execute(Operation.Builder builder)

执行一个操作构建者提供的一系列操作

Parameters:

builder -