cn.cliveyuan.robin.base.condition

Class AbstractExample<T,R,Children extends AbstractExample<T,R,Children>>

java.lang.Object

cn.cliveyuan.robin.base.condition.AbstractExample<T,R,Children>

All Implemented Interfaces:

Conditional<T>, Example<T>

Direct Known Subclasses:

ConditionExample

public abstract class AbstractExample<T,R,Children extends AbstractExample<T,R,Children>>
extends Object
implements Example<T>

抽象查询示例

Author:

Clive Yuan

Constructor Summary

Constructors

Constructor and Description
AbstractExample()

Method Summary

Modifier and Type	Method and Description
void	addOrderBy(String columnName, boolean isAsc) 添加排序
void	clear() 清除所有
Criteria<T>	createCriteria() 创建条件 如果条件列表为空则默认放入 否则不放入
LambdaCriteria<T>	createLambdaCriteria() 创建Lambda条件 如果条件列表为空则默认放入 否则不放入
GeneratedCriteria	getExistCriteria() 获取首个条件 如果条件存在则获取 否则创建Criteria并放入
int	getLimitEnd()
int	getLimitStart()
String	getOrderByClause()
List<GeneratedCriteria<T,Children,R>>	getOredCriteria()
boolean	isDistinct()
Criteria<T>	or() 创建或者条件
void	or(GeneratedCriteria criteria) 设置或者条件
LambdaCriteria<T>	orLambdaCriteria() 创建Lambda或者条件 默认放入条件列表
void	setDistinct(boolean distinct) 设置是否去重
void	setLimitEnd(int limitEnd) limit
void	setLimitStart(int limitStart) offset

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractExample

public AbstractExample()

Method Detail

getOrderByClause

public String getOrderByClause()

isDistinct

public boolean isDistinct()

getOredCriteria

public List<GeneratedCriteria<T,Children,R>> getOredCriteria()

getLimitStart

public int getLimitStart()

getLimitEnd

public int getLimitEnd()

setDistinct

public void setDistinct(boolean distinct)

Description copied from interface: Conditional

设置是否去重

Specified by:

setDistinct in interface Conditional<T>

Parameters:

distinct - 是否去重

setLimitStart

public void setLimitStart(int limitStart)

Description copied from interface: Conditional

offset

Specified by:

setLimitStart in interface Conditional<T>

Parameters:

limitStart - offset

setLimitEnd

public void setLimitEnd(int limitEnd)

Description copied from interface: Conditional

limit

Specified by:

setLimitEnd in interface Conditional<T>

Parameters:

limitEnd - limit

createCriteria

public Criteria<T> createCriteria()

Description copied from interface: Conditional

创建条件

• 如果条件列表为空则默认放入
• 否则不放入

Specified by:

createCriteria in interface Conditional<T>

Returns:

createLambdaCriteria

public LambdaCriteria<T> createLambdaCriteria()

Description copied from interface: Conditional

创建Lambda条件

• 如果条件列表为空则默认放入
• 否则不放入

Specified by:

createLambdaCriteria in interface Conditional<T>

Returns:

or

public void or(GeneratedCriteria criteria)

Description copied from interface: Conditional

设置或者条件

Specified by:

or in interface Conditional<T>

Parameters:

criteria - 条件

or

public Criteria<T> or()

Description copied from interface: Conditional

创建或者条件

默认放入条件列表

Specified by:

or in interface Conditional<T>

Returns:

orLambdaCriteria

public LambdaCriteria<T> orLambdaCriteria()

Description copied from interface: Conditional

创建Lambda或者条件

• 默认放入条件列表

Specified by:

orLambdaCriteria in interface Conditional<T>

Returns:

clear

public void clear()

Description copied from interface: Conditional

清除所有

Specified by:

clear in interface Conditional<T>

getExistCriteria

public GeneratedCriteria getExistCriteria()

Description copied from interface: Conditional

获取首个条件

• 如果条件存在则获取
• 否则创建Criteria并放入

Specified by:

getExistCriteria in interface Conditional<T>

Returns:

需判断类型是LambdaCriteria还是Criteria

addOrderBy

public void addOrderBy(String columnName,
                       boolean isAsc)

添加排序

Specified by:

addOrderBy in interface Conditional<T>

Parameters:

columnName - 字段名

isAsc - 是否正序