org.pinus4j.api.query.impl

Class ResultSetableQueryImpl<T>

java.lang.Object

org.pinus4j.api.query.impl.DefaultQueryImpl<T>

org.pinus4j.api.query.impl.ResultSetableQueryImpl<T>

All Implemented Interfaces:

Cloneable, IQuery<T>

public class ResultSetableQueryImpl<T>
extends DefaultQueryImpl<T>

可以获取结果集的查询条件

Author:

shanwei Jul 27, 2015 6:12:23 PM

Nested Class Summary

Nested classes/interfaces inherited from class org.pinus4j.api.query.impl.DefaultQueryImpl

DefaultQueryImpl.ConditionRelation, DefaultQueryImpl.OrderBy

Field Summary

Fields

Modifier and Type	Field and Description
private IEntityMetaManager	entityMetaManager
private IGlobalQuery	globalQuery
private EnumDBMasterSlave	masterSlave
private IShardingKey<?>	shardingKey
private IShardingQuery	shardingQuery
private boolean	useCache

Fields inherited from class org.pinus4j.api.query.impl.DefaultQueryImpl

clazz, condList, fields, limit, orderList, start

Constructor Summary

Constructors

Constructor and Description
ResultSetableQueryImpl(Class<T> clazz)

Method Summary

Methods

Modifier and Type	Method and Description
void	clean() 清除当前已经设置的查询条件.
IQuery<T>	clone() clone.
Number	count() 获取此Query查询到的结果集数量.
private List<EntityPK>	coverToEntityPK() 将当前Query查询转换为PK查询，提高缓存的命中率.
IGlobalQuery	getGlobalQuery()
IShardingQuery	getShardingQuery()
List<T>	list() 获取此Query查询到的结果集.
T	load() 获取一条记录.
void	setGlobalQuery(IGlobalQuery globalQuery)
IQuery<T>	setMasterSlave(EnumDBMasterSlave masterSlave) 设置查询主从库.
IQuery<T>	setShardingKey(IShardingKey<?> shardingKey) set sharding key.
void	setShardingQuery(IShardingQuery shardingQuery)
IQuery<T>	setUseCache(boolean useCache) 设置查询是否使用缓存

Methods inherited from class org.pinus4j.api.query.impl.DefaultQueryImpl

add, and, getCondList, getFields, getLimit, getOrderList, getStart, getWhereSql, hasQueryFields, isEffect, limit, limit, or, orderBy, orderBy, setCondList, setFields, setFields, setLimit, setOrderList, setStart, toString

Methods inherited from class java.lang.Object

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

Field Detail

globalQuery

private IGlobalQuery globalQuery

shardingQuery

private IShardingQuery shardingQuery

shardingKey

private IShardingKey<?> shardingKey

useCache

private boolean useCache

masterSlave

private EnumDBMasterSlave masterSlave

entityMetaManager

private IEntityMetaManager entityMetaManager

Constructor Detail

ResultSetableQueryImpl

public ResultSetableQueryImpl(Class<T> clazz)

Method Detail

coverToEntityPK

private List<EntityPK> coverToEntityPK()

将当前Query查询转换为PK查询，提高缓存的命中率.

Returns:

load

public T load()

Description copied from interface: IQuery

获取一条记录. 如果有多条只获取第一条.

Specified by:

load in interface IQuery<T>

Overrides:

load in class DefaultQueryImpl<T>

Returns:

list

public List<T> list()

Description copied from interface: IQuery

获取此Query查询到的结果集.

Specified by:

list in interface IQuery<T>

Overrides:

list in class DefaultQueryImpl<T>

Returns:

count

public Number count()

Description copied from interface: IQuery

获取此Query查询到的结果集数量.

Specified by:

count in interface IQuery<T>

Overrides:

count in class DefaultQueryImpl<T>

Returns:

setShardingKey

public IQuery<T> setShardingKey(IShardingKey<?> shardingKey)

Description copied from interface: IQuery

set sharding key.

Specified by:

setShardingKey in interface IQuery<T>

Overrides:

setShardingKey in class DefaultQueryImpl<T>

Returns:

setMasterSlave

public IQuery<T> setMasterSlave(EnumDBMasterSlave masterSlave)

Description copied from interface: IQuery

设置查询主从库.

Specified by:

setMasterSlave in interface IQuery<T>

Overrides:

setMasterSlave in class DefaultQueryImpl<T>

Returns:

setUseCache

public IQuery<T> setUseCache(boolean useCache)

Description copied from interface: IQuery

设置查询是否使用缓存

Specified by:

setUseCache in interface IQuery<T>

Overrides:

setUseCache in class DefaultQueryImpl<T>

Returns:

clone

public IQuery<T> clone()

Description copied from interface: IQuery

clone.

Specified by:

clone in interface IQuery<T>

Overrides:

clone in class DefaultQueryImpl<T>

Returns:

clean

public void clean()

Description copied from interface: IQuery

清除当前已经设置的查询条件.

Specified by:

clean in interface IQuery<T>

Overrides:

clean in class DefaultQueryImpl<T>

getGlobalQuery

public IGlobalQuery getGlobalQuery()

setGlobalQuery

public void setGlobalQuery(IGlobalQuery globalQuery)

getShardingQuery

public IShardingQuery getShardingQuery()

setShardingQuery

public void setShardingQuery(IShardingQuery shardingQuery)