eu.slipo.athenarc.triplegeo.expression

Class AndExpr

java.lang.Object

eu.slipo.athenarc.triplegeo.expression.AndExpr

All Implemented Interfaces:

Expr

public class AndExpr
extends java.lang.Object
implements Expr

Handles sub-expressions connected with a logical AND operation.

Version:

2.0

Author:

Kostas Patroumpas

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.List<Expr>	children

Constructor Summary

Constructors

Constructor and Description
AndExpr(TokenStream stream) Constructor of the class.

Method Summary

Modifier and Type	Method and Description
boolean	evaluate(java.util.Map<java.lang.String,java.lang.String> data) Evaluates the expression against the given input data.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

children

private final java.util.List<Expr> children

Constructor Detail

AndExpr

public AndExpr(TokenStream stream)
        throws java.text.ParseException

Constructor of the class.

Parameters:

stream - Input stream of tokens.

Throws:

java.text.ParseException

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

evaluate

public boolean evaluate(java.util.Map<java.lang.String,java.lang.String> data)

Description copied from interface: Expr

Evaluates the expression against the given input data.

Specified by:

evaluate in interface Expr

Parameters:

data - A data record containing the attribute names (key) and their values.

Returns: