Package openllet.core.rules

Class VariableUtils

java.lang.Object

openllet.core.rules.VariableUtils

public class VariableUtils
extends java.lang.Object

Title: Variable Utilities

Description: Collection of utilities for dealing with variables

Copyright: Copyright (c) 2007

Company: Clark & Parsia, LLC.

Author:

Ron Alford

Constructor Summary

Constructors

Constructor	Description
VariableUtils()

Method Summary

Modifier and Type	Method	Description
static java.util.Collection<AtomDVariable>	getDVars(RuleAtom atom)	Static convenience function to return the instance variables used in the given atom.
static java.util.Collection<AtomIVariable>	getIVars(RuleAtom atom)	Static convenience function to return the instance variables used in the given atom.
static java.util.Collection<AtomVariable>	getVars(RuleAtom atom)	Static convenience function to return the variables used in the given atom.
static boolean	isVariable(AtomObject obj)

Methods inherited from class java.lang.Object

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

Constructor Detail

VariableUtils

public VariableUtils()

Method Detail

getDVars

public static java.util.Collection<AtomDVariable> getDVars(RuleAtom atom)

Static convenience function to return the instance variables used in the given atom.

Parameters:

atom -

Returns:

return the instance variables used in the given atom.

getIVars

public static java.util.Collection<AtomIVariable> getIVars(RuleAtom atom)

Static convenience function to return the instance variables used in the given atom.

Parameters:

atom -

Returns:

return the instance variables used in the given atom.

getVars

public static java.util.Collection<AtomVariable> getVars(RuleAtom atom)

Static convenience function to return the variables used in the given atom.

Parameters:

atom -

Returns:

the variables used in the given atom.

isVariable

public static boolean isVariable(AtomObject obj)

Parameters:

obj -

Returns:

true if atom object is a variable