DefaultQueryImpl (pinus-orm 1.2.0 API)

java.lang.Object
- org.pinus4j.api.query.impl.DefaultQueryImpl<T>

All Implemented Interfaces:

Cloneable, IQuery<T>

Direct Known Subclasses:

ResultSetableQueryImpl
```
public class DefaultQueryImpl<T>
extends Object
implements IQuery<T>, Cloneable
```
查询对象实现.

Author:

duanbn

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`(package private) static class`	`DefaultQueryImpl.ConditionRelation` 只给Condition使用.
`static class`	`DefaultQueryImpl.OrderBy` 排序条件.

Field Summary

Fields
Modifier and Type	Field and Description
`protected Class<T>`	`clazz`
`protected List<Condition>`	`condList` 保存查询条件.
`protected String[]`	`fields` 保存取值的字段.
`protected int`	`limit` 分页大小
`protected List<DefaultQueryImpl.OrderBy>`	`orderList` 保存排序条件
`protected int`	`start` 分页开始偏移量

Constructor Summary

Constructors
Constructor and Description

DefaultQueryImpl()

Constructors
Constructor and Description
`DefaultQueryImpl()`

Method Summary

Methods
Modifier and Type	Method and Description
`IQuery<T>`	`add(Condition cond)` Deprecated.
`IQuery<T>`	`and(Condition cond)` and查询条件
`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.
`List<Condition>`	`getCondList()`
`String[]`	`getFields()`
`int`	`getLimit()`
`List<DefaultQueryImpl.OrderBy>`	`getOrderList()`
`int`	`getStart()`
`SQL`	`getWhereSql()`
`boolean`	`hasQueryFields()`
`boolean`	`isEffect()`
`IQuery<T>`	`limit(int limit)` 设置limit参数
`IQuery<T>`	`limit(int start, int limit)` 分页参数.
`List<T>`	`list()` 获取此Query查询到的结果集.
`T`	`load()` 获取一条记录.
`IQuery<T>`	`or(Condition cond)` or查询条件.
`IQuery<T>`	`orderBy(String field, Order order)` 添加怕需字段
`IQuery<T>`	`orderBy(String field, Order order, Class<?> clazz)` 添加排序字段.
`void`	`setCondList(List<Condition> condList)`
`IQuery<T>`	`setFields(Class<?> clazz, String... fields)` 添加取值字段.
`IQuery<T>`	`setFields(String... fields)` 添加取值字段.
`void`	`setLimit(int limit)`
`IQuery<T>`	`setMasterSlave(EnumDBMasterSlave masterSlave)` 设置查询主从库.
`void`	`setOrderList(List<DefaultQueryImpl.OrderBy> orderList)`
`IQuery<T>`	`setShardingKey(IShardingKey<?> shardingKey)` set sharding key.
`void`	`setStart(int start)`
`IQuery<T>`	`setUseCache(boolean useCache)` 设置查询是否使用缓存
`String`	`toString()`

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - clazz
```
protected Class<T> clazz
```
  - fields
```
protected String[] fields
```
    保存取值的字段.
  - condList
```
protected List<Condition> condList
```
    保存查询条件.
  - orderList
```
protected List<DefaultQueryImpl.OrderBy> orderList
```
    保存排序条件
  - start
```
protected int start
```
    分页开始偏移量
  - limit
```
protected int limit
```
    分页大小
- Constructor Detail
  - DefaultQueryImpl
```
public DefaultQueryImpl()
```
- Method Detail
  - 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>
    
    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>
    
    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>
    
    Returns:
  - setShardingKey
```
public IQuery<T> setShardingKey(IShardingKey<?> shardingKey)
```
    Description copied from interface: IQuery
    
    set sharding key.
    
    Specified by:
    
    setShardingKey in interface IQuery<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>
    
    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>
    
    Returns:
  - setFields
```
public IQuery<T> setFields(String... fields)
```
    Description copied from interface: IQuery
    
    添加取值字段.
    
    Specified by:
    
    setFields in interface IQuery<T>
    
    Parameters:
    fields - 获取值的字段
    
    Returns:
  - setFields
```
public IQuery<T> setFields(Class<?> clazz,
                  String... fields)
```
    Description copied from interface: IQuery
    
    添加取值字段.
    
    Specified by:
    
    setFields in interface IQuery<T>
    
    Parameters:
    clazz - class
    fields - 获取值的字段
    
    Returns:
  - add
```
@Deprecated
public IQuery<T> add(Condition cond)
```
    Deprecated.
    
    Description copied from interface: IQuery
    
    and查询条件. and
    
    Specified by:
    
    add in interface IQuery<T>
    
    Parameters:
    cond - 一个查询条件
  - and
```
public IQuery<T> and(Condition cond)
```
    Description copied from interface: IQuery
    
    and查询条件
    
    Specified by:
    
    and in interface IQuery<T>
    
    Returns:
  - or
```
public IQuery<T> or(Condition cond)
```
    Description copied from interface: IQuery
    
    or查询条件.
    
    Specified by:
    
    or in interface IQuery<T>
    
    Parameters:
    cond - 查询条件
    
    Returns:
  - orderBy
```
public IQuery<T> orderBy(String field,
                Order order)
```
    Description copied from interface: IQuery
    
    添加怕需字段
    
    Specified by:
    
    orderBy in interface IQuery<T>
    
    Returns:
  - orderBy
```
public IQuery<T> orderBy(String field,
                Order order,
                Class<?> clazz)
```
    Description copied from interface: IQuery
    
    添加排序字段.
    
    Specified by:
    
    orderBy in interface IQuery<T>
    
    Parameters:
    field - 被排序字段
    order - 升序降序
  - limit
```
public IQuery<T> limit(int start,
              int limit)
```
    Description copied from interface: IQuery
    
    分页参数.
    
    Specified by:
    
    limit in interface IQuery<T>
    
    Parameters:
    start - 开始偏移量
    limit - 页大小
  - limit
```
public IQuery<T> limit(int limit)
```
    Description copied from interface: IQuery
    
    设置limit参数
    
    Specified by:
    
    limit in interface IQuery<T>
    
    Parameters:
    limit - limit
  - 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>
  - getFields
```
public String[] getFields()
```
  - getCondList
```
public List<Condition> getCondList()
```
  - getOrderList
```
public List<DefaultQueryImpl.OrderBy> getOrderList()
```
  - getStart
```
public int getStart()
```
  - getLimit
```
public int getLimit()
```
  - hasQueryFields
```
public boolean hasQueryFields()
```
  - isEffect
```
public boolean isEffect()
```
  - clone
```
public IQuery<T> clone()
```
    Description copied from interface: IQuery
    
    clone.
    
    Specified by:
    
    clone in interface IQuery<T>
    
    Overrides:
    
    clone in class Object
    
    Returns:
  - getWhereSql
```
public SQL getWhereSql()
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - setCondList
```
public void setCondList(List<Condition> condList)
```
  - setOrderList
```
public void setOrderList(List<DefaultQueryImpl.OrderBy> orderList)
```
  - setStart
```
public void setStart(int start)
```
  - setLimit
```
public void setLimit(int limit)
```

Class DefaultQueryImpl<T>

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

clazz

fields

condList

orderList

start

limit

Constructor Detail

DefaultQueryImpl

Method Detail

load

list

count

setShardingKey

setMasterSlave

setUseCache

setFields

setFields

add

and

or

orderBy

orderBy

limit

limit

clean

getFields

getCondList

getOrderList

getStart

getLimit

hasQueryFields

isEffect

clone

getWhereSql

toString

setCondList

setOrderList

setStart

setLimit