Package cn.dinodev.spring.data.sql

Enum Class Oper

java.lang.Object

java.lang.Enum<Oper>

cn.dinodev.spring.data.sql.Oper

All Implemented Interfaces:

Serializable, Comparable<Oper>, Constable

public enum Oper
extends Enum<Oper>

Author:

Cody Lu

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
BETWEEN	范围匹配
EQ	等于
EXISTS	存在
GT	大于
GTE	大于等于
IN	包含
IS_NOT_NULL	不等于空
IS_NULL	等于空
LIKE	模糊匹配
LT	小于
LTE	小于等于
NE	不等于
NOT_IN	不包含
NOT_LIKE	不匹配

Method Summary

Modifier and Type	Method	Description
String	getOp()	返回操作符
boolean	hasValue()
String	makeExpr(String... params)	生成相应的表达式
String	toString()
static Oper	valueOf(String name)	Returns the enum constant of this class with the specified name.
static Oper[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

EQ

public static final Oper EQ

等于

GT

public static final Oper GT

大于

LT

public static final Oper LT

小于

NE

public static final Oper NE

不等于

GTE

public static final Oper GTE

大于等于

LTE

public static final Oper LTE

小于等于

LIKE

public static final Oper LIKE

模糊匹配

NOT_LIKE

public static final Oper NOT_LIKE

不匹配

IN

public static final Oper IN

包含

NOT_IN

public static final Oper NOT_IN

不包含

IS_NULL

public static final Oper IS_NULL

等于空

IS_NOT_NULL

public static final Oper IS_NOT_NULL

不等于空

BETWEEN

public static final Oper BETWEEN

范围匹配

EXISTS

public static final Oper EXISTS

存在

Method Details

values

public static Oper[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static Oper valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

getOp

public String getOp()

返回操作符

Returns:

makeExpr

public String makeExpr(String... params)

生成相应的表达式

Parameters:

params -

Returns:

hasValue

public boolean hasValue()

toString

public String toString()

Overrides:

toString in class Enum<Oper>