jhomenet.responsive
Class Expression

java.lang.Object
  jhomenet.responsive.Expression

public class Expression
extends java.lang.Object

Version:

$Revision: 1.16 $ Filename: $Source: /cvsroot/jhomenet/files/src/jhomenet/responsive/Expression.java,v $ Description: Comprised of a set of conditions. When executed, the result determines whether the sensor responsive plan will run or not.

Author:

$Author: dhirwinjr $

Nested Class Summary

static class

Expression.OPERATORS

Constructor Summary

Expression()
Default constructor.

Method Summary

void	_AND() Add an logical AND operator to the expression.
void	_CLOSE_PARENTHESIS() Add a closing parenthesis to the expression.
void	_NOT() Add a logical NOT operator to the expression.
void	_OPEN_PARENTHESIS() Add a open parenthesis to the expression.
void	_OR() Add a logical OR operator to the expression.
void	addCondition(Condition condition) Add a condition to the expression.
boolean	equals(Expression testExpression) Overridden equals method.
java.lang.String	getDescription() Get the expression description.
java.util.LinkedList<ExpressionElement>	getExpressionelements() Get the list of expression elements.
java.lang.String	getExpressionstring() Get the expression as a string.
void	setDescription(java.lang.String description) Set the expression description.
void	setExpressionstring(java.lang.String eString) Parse the passed expression string and create an expression.
java.lang.String	toString() Get a string representation of the expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

Expression

public Expression()

Default constructor.

Method Detail

setDescription

public void setDescription(java.lang.String description)

Set the expression description.

Parameters:

description -

getDescription

public java.lang.String getDescription()

Get the expression description.

Returns:

Expression description

getExpressionelements

public java.util.LinkedList<ExpressionElement> getExpressionelements()

Get the list of expression elements.

Returns:

A list of expression elements

getExpressionstring

public java.lang.String getExpressionstring()

Get the expression as a string. This converts the expression elements into a single string representation.

Returns:

A string representation of the expression

setExpressionstring

public void setExpressionstring(java.lang.String eString)

Parse the passed expression string and create an expression.

Parameters:

eString -

addCondition

public void addCondition(Condition condition)

Add a condition to the expression.

Parameters:

condition - Condition to add to the expression

_OPEN_PARENTHESIS

public void _OPEN_PARENTHESIS()

Add a open parenthesis to the expression.

_CLOSE_PARENTHESIS

public void _CLOSE_PARENTHESIS()

Add a closing parenthesis to the expression.

_OR

public void _OR()

Add a logical OR operator to the expression.

_AND

public void _AND()

Add an logical AND operator to the expression.

_NOT

public void _NOT()

Add a logical NOT operator to the expression.

toString

public java.lang.String toString()

Get a string representation of the expression.

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

equals

public boolean equals(Expression testExpression)

Overridden equals method. In order for the expressions to be deemed equal, they must have identical: 1) Ids 2)

Parameters:

testExpression -

Returns:

Whether the expressions are equal