core.support

类 Condition

java.lang.Object

core.support.search.AbstractSearchFilter

core.support.Condition

所有已实现的接口:

SearchFilter, java.io.Serializable

public class Condition
extends AbstractSearchFilter

WHERE过滤条件 调用#setValue()方法有风险

作者:

yongjie.teng

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段和说明
private java.util.List<SearchFilter>	childConditions
private static long	serialVersionUID

构造器概要

构造器

限定符	构造器和说明
private	Condition(SearchType type, java.lang.String property, SearchOperator operator, java.lang.Object value)

方法概要

方法

限定符和类型	方法和说明
Condition	addChildCondition(SearchFilter filter)
Condition	addChildCondition(java.lang.String property, SearchOperator operator, java.lang.Object value) 给当前过滤条件添加子条件，如or (a = 1 and b = 2)
Condition	addChildConditions(java.util.Collection<? extends SearchFilter> childConditions)
java.util.Collection<SearchFilter>	getChildFilters() 获取子过滤条件
java.lang.Object	getFormatValues() 预加工value, 使其符合sql语句
boolean	hasChildFilter() 有无子过滤条件，如or (a = 1 and b = 2)
boolean	isInFilter()
boolean	isUnaryFilter()
static Condition	newCondition(SearchType type, java.lang.String property, SearchOperator operator, java.lang.Object value) 当操作符是一元操作符的时候, value可以为空
static Condition	newCondition(java.lang.String property, java.lang.Object value) 默认操作符为 eq (=)
static Condition	newCondition(java.lang.String property, SearchOperator operator, java.lang.Object value) 默认条件连接类型为 AND (and)
Condition	removeChildCondition(java.lang.String property)
Condition	removeChildCondition(java.lang.String property, SearchOperator operator)
java.lang.String	toString()

从类继承的方法 core.support.search.AbstractSearchFilter

equals, getOperator, getProperty, getType, getValue, hashCode

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

字段详细资料

serialVersionUID

private static final long serialVersionUID

另请参阅:

常量字段值

childConditions

private java.util.List<SearchFilter> childConditions

构造器详细资料

Condition

private Condition(SearchType type,
         java.lang.String property,
         SearchOperator operator,
         java.lang.Object value)

方法详细资料

newCondition

public static Condition newCondition(SearchType type,
                     java.lang.String property,
                     SearchOperator operator,
                     java.lang.Object value)

当操作符是一元操作符的时候, value可以为空

参数:

property -

operator -

value -

返回:

过滤条件 Condition

newCondition

public static Condition newCondition(java.lang.String property,
                     SearchOperator operator,
                     java.lang.Object value)

默认条件连接类型为 AND (and)

参数:

property -

operator -

value -

返回:

过滤条件 Condition

newCondition

public static Condition newCondition(java.lang.String property,
                     java.lang.Object value)

默认操作符为 eq (=)

参数:

property -

value -

返回:

过滤条件 Condition

getFormatValues

public java.lang.Object getFormatValues()

预加工value, 使其符合sql语句

返回:

Object

isInFilter

public boolean isInFilter()

返回:

当前过滤条件为in过滤返回true否则false

isUnaryFilter

public boolean isUnaryFilter()

返回:

当前过滤条件为一元过滤返回true否则false

addChildCondition

public Condition addChildCondition(java.lang.String property,
                          SearchOperator operator,
                          java.lang.Object value)

给当前过滤条件添加子条件，如or (a = 1 and b = 2)

参数:

property -

operator -

value -

返回:

过滤条件 Condition

addChildCondition

public Condition addChildCondition(SearchFilter filter)

addChildConditions

public Condition addChildConditions(java.util.Collection<? extends SearchFilter> childConditions)

removeChildCondition

public Condition removeChildCondition(java.lang.String property)

removeChildCondition

public Condition removeChildCondition(java.lang.String property,
                             SearchOperator operator)

hasChildFilter

public boolean hasChildFilter()

从接口复制的说明: SearchFilter

有无子过滤条件，如or (a = 1 and b = 2)

返回:

boolean

getChildFilters

public java.util.Collection<SearchFilter> getChildFilters()

从接口复制的说明: SearchFilter

获取子过滤条件

返回:

toString

public java.lang.String toString()

覆盖:

toString 在类中 java.lang.Object