Package me.danwi.sqlex.core.query.expression

Class UnaryExpression

java.lang.Object

me.danwi.sqlex.core.query.expression.UnaryExpression

All Implemented Interfaces:

Expression

Direct Known Subclasses:

NotExpression

public class UnaryExpression
extends Object
implements Expression

Field Summary

Fields

Modifier and Type	Field	Description
protected final Expression	exp

Constructor Summary

Constructors

Constructor	Description
UnaryExpression(String operator, Expression exp)

Method Summary

Modifier and Type	Method	Description
String	toSQL()	表达式转换成SQL片段

Methods inherited from class java.lang.Object

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

Methods inherited from interface me.danwi.sqlex.core.query.expression.Expression

add, and, div, eq, gt, gte, in, isNotNull, isNull, like, lt, lte, mul, ne, notIn, notLike, or, sub

Field Details

exp

protected final Expression exp

Constructor Details

UnaryExpression

public UnaryExpression(String operator,
 Expression exp)

Method Details

toSQL

public String toSQL()

Description copied from interface: Expression

表达式转换成SQL片段

Specified by:

toSQL in interface Expression

Returns:

SQL判断