com.ds.common.expression.function.math

类 Add

java.lang.Object

com.ds.common.expression.function.Function

com.ds.common.expression.function.math.Add

所有已实现的接口:

FunctionI

public class Add
extends Function

Title: 常用代码打包

Description: 表达式解析器

字符串，数字相加函数, 能够对String与String, String与Number, Number与String, Number与Number, List与String, String与List, List与List(长度要相等) , Number与List, List与Number等类型的对象进行相加。

Copyright: Copyright spk (c) 2003

Company: spk

版本:

1.0

作者:

chenjie

字段概要

从类继承的字段 com.ds.common.expression.function.Function

curNumberOfParameters, numberOfParameters

构造器概要

构造器

构造器和说明
Add()

方法概要

限定符和类型	方法和说明
protected Object	add(Object param1, Object param2)
void	run(Stack stack) Calculates the result of applying the "+" operator to the arguments from the stack and pushes it back on the stack.

从类继承的方法 com.ds.common.expression.function.Function

checkStack, getNumberOfParameters, setCurNumberOfParameters

从类继承的方法 java.lang.Object

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

构造器详细资料

Add

public Add()

方法详细资料

run

public void run(Stack stack)
         throws ParseException

Calculates the result of applying the "+" operator to the arguments from the stack and pushes it back on the stack.

指定者:

run 在接口中 FunctionI

指定者:

run 在类中 Function

抛出:

ParseException

add

protected Object add(Object param1,
                     Object param2)
              throws ParseException

抛出:

ParseException