net.sourceforge.esw.service.log.expression
Class CompoundAndFilterExpression

java.lang.Object
  |
  +--net.sourceforge.esw.service.log.expression.CompoundAndFilterExpression

All Implemented Interfaces:

IFilterExpression, java.io.Serializable

public class CompoundAndFilterExpression

extends java.lang.Object

implements IFilterExpression

A Default FilterExpression

This expression will always return false when evaluated... i wonder how to encode it into a string. should false be a valid string encode?

See Also:

Serialized Form

Field Summary

protected IFilterExpression	firstExp
protected IFilterExpression	secondExp

Constructor Summary

CompoundAndFilterExpression()
Creates a new CompoundAndFilterExpression.

CompoundAndFilterExpression(IFilterExpression tFirst, IFilterExpression tSecond)
Creates a new CompoundAndFilterExpression.

Method Summary

boolean	evaluate(INode aNode) Evaluates this CompoundAndFilterExpression in respect to this INode of data
java.lang.String	stringEncode() Encode this expression into a string form.

Methods inherited from class java.lang.Object

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

Field Detail

firstExp

protected IFilterExpression firstExp

secondExp

protected IFilterExpression secondExp

Constructor Detail

CompoundAndFilterExpression

public CompoundAndFilterExpression(IFilterExpression tFirst,
                                   IFilterExpression tSecond)

Creates a new CompoundAndFilterExpression.

CompoundAndFilterExpression

public CompoundAndFilterExpression()

Creates a new CompoundAndFilterExpression.

Method Detail

evaluate

public boolean evaluate(INode aNode)
                 throws UncomparableExpressionObjectException

Evaluates this CompoundAndFilterExpression in respect to this INode of data

Specified by:

evaluate in interface IFilterExpression

Parameters:

infoDatum - the data to check

Returns:

boolean always returns false

stringEncode

public java.lang.String stringEncode()

Encode this expression into a string form. Just returns a 0 length string right now

Specified by:

stringEncode in interface IFilterExpression

Returns:

String this Expression in string form