org.josql.expressions

类 AndOrExpression

java.lang.Object

org.josql.expressions.Expression

org.josql.expressions.BinaryExpression

org.josql.expressions.AndOrExpression

public class AndOrExpression
extends BinaryExpression

字段概要

从类继承的字段 org.josql.expressions.BinaryExpression

left, right

构造器概要

构造器

构造器和说明
AndOrExpression()

方法概要

限定符和类型	方法和说明
boolean	isAnd()
boolean	isTrue(Object o, Query q) This method allows ANY expression (including those that extend ValueExpression) to be used in the WHERE and HAVING clauses but ensuring that a boolean value is available for every expression.
void	setAnd(boolean v)
String	toString() Return a string version of this expression.

从类继承的方法 org.josql.expressions.BinaryExpression

getExpectedReturnType, getLeft, getRight, getValue, hasFixedResult, init, setLeft, setRight

从类继承的方法 org.josql.expressions.Expression

isBracketed, setBracketed

从类继承的方法 java.lang.Object

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

构造器详细资料

AndOrExpression

public AndOrExpression()

方法详细资料

isAnd

public boolean isAnd()

setAnd

public void setAnd(boolean v)

isTrue

public boolean isTrue(Object o,
                      Query q)
               throws QueryExecutionException

从类复制的说明: Expression

This method allows ANY expression (including those that extend ValueExpression) to be used in the WHERE and HAVING clauses but ensuring that a boolean value is available for every expression.

指定者:

isTrue 在类中 Expression

参数:

o - The current object to evaluate the expression on.

q - The Query object.

返回:

true if the expression evaluates to true (well duh...).

抛出:

QueryExecutionException - If there is a problem with the execution of the expression.

toString

public String toString()

Return a string version of this expression. Note: any formatting of the statement (such as line breaks) will be removed.

指定者:

toString 在类中 Expression

返回:

A string version of the expression.