org.nutz.el.opt.object

Class MethodOpt

java.lang.Object

org.nutz.el.opt.AbstractOpt

org.nutz.el.opt.TwoTernary

org.nutz.el.opt.object.MethodOpt

All Implemented Interfaces:

Operator

public class MethodOpt
extends TwoTernary

方法体封装. 主要是把方法的左括号做为边界

Author:

juqkai(juqkai@gmail.com)

Field Summary

Fields inherited from class org.nutz.el.opt.TwoTernary

left, right

Constructor Summary

Constructors

Constructor and Description
MethodOpt()

Method Summary

Modifier and Type	Method and Description
Object	calculate() 计算
int	fetchPriority() 优先级
String	fetchSelf() 操作符对象自身的符号
int	getSize()
void	setSize(int size)
String	toString()
void	wrap(Queue<Object> rpn) 打包数据.

Methods inherited from class org.nutz.el.opt.TwoTernary

getLeft, getRight

Methods inherited from class org.nutz.el.opt.AbstractOpt

calculateItem, equals

Methods inherited from class java.lang.Object

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

Constructor Detail

MethodOpt

public MethodOpt()

Method Detail

setSize

public void setSize(int size)

getSize

public int getSize()

fetchPriority

public int fetchPriority()

Description copied from interface: Operator

优先级

wrap

public void wrap(Queue<Object> rpn)

Description copied from interface: Operator

打包数据. 每个操作符都有相应的操作数,这个方法目的在于,根据操作符自身的需求,从operand中读取相应的操作数

Specified by:

wrap in interface Operator

Overrides:

wrap in class TwoTernary

Parameters:

rpn - 操作数

calculate

public Object calculate()

Description copied from interface: Operator

计算

fetchSelf

public String fetchSelf()

Description copied from class: AbstractOpt

操作符对象自身的符号

Specified by:

fetchSelf in class AbstractOpt

toString

public String toString()

Overrides:

toString in class AbstractOpt