com.ds.common.expression.function.logical

类 Logical

java.lang.Object

com.ds.common.expression.function.Function

com.ds.common.expression.function.logical.Logical

所有已实现的接口:

FunctionI

public class Logical
extends Function

Title: ETCL

Description: 数据更新工具（抽取，转换，清洗，装载）

逻辑或，逻辑与

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
Logical(int id_in)

方法概要

限定符和类型	方法和说明
protected Boolean	logical(boolean x, boolean y)
protected List	logical(boolean x, List y)
protected List	logical(List x, List y)
protected Object	logical(Object x, Object y)
void	run(Stack stack) Throws an exception because this method should never be called under normal circumstances.

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

Logical

public Logical(int id_in)

方法详细资料

run

public void run(Stack stack)
         throws ParseException

从类复制的说明: Function

Throws an exception because this method should never be called under normal circumstances. Each function should use it's own run() method for evaluating the function. This includes popping off the parameters from the stack, and pushing the result back on the stack.

指定者:

run 在接口中 FunctionI

指定者:

run 在类中 Function

抛出:

ParseException

logical

protected Object logical(Object x,
                         Object y)
                  throws ParseException

抛出:

ParseException

logical

protected Boolean logical(boolean x,
                          boolean y)
                   throws ParseException

抛出:

ParseException

logical

protected List logical(boolean x,
                       List y)
                throws ParseException

抛出:

ParseException

logical

protected List logical(List x,
                       List y)
                throws ParseException

抛出:

ParseException