org.s1ck.gdl.model.predicates.expressions

Class Comparison

java.lang.Object

org.s1ck.gdl.model.predicates.expressions.Comparison

All Implemented Interfaces:

Serializable, Predicate

public class Comparison
extends Object
implements Predicate

Represents a comparison of two values

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Comparison(ComparableExpression lhs, Comparator comparator, ComparableExpression rhs) Creates a new comparison operator

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
Predicate[]	getArguments() Returns the predicates arguments
ComparableExpression[]	getComparableExpressions() Returns the left and right hand side values
Comparator	getComparator() Returns the comparator
Set<String>	getVariables() Returns a set of variables referenced by the predicates
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.s1ck.gdl.model.predicates.Predicate

fromGraphElement

Constructor Detail

Comparison

public Comparison(ComparableExpression lhs,
                  Comparator comparator,
                  ComparableExpression rhs)

Creates a new comparison operator

Parameters:

lhs - left hand side value

comparator - comparator

rhs - right hand side value

Method Detail

getArguments

public Predicate[] getArguments()

Description copied from interface: Predicate

Returns the predicates arguments

Specified by:

getArguments in interface Predicate

Returns:

The predicates arguments

getComparator

public Comparator getComparator()

Returns the comparator

Returns:

the comparator

getComparableExpressions

public ComparableExpression[] getComparableExpressions()

Returns the left and right hand side values

Returns:

lhs and rhs values

getVariables

public Set<String> getVariables()

Returns a set of variables referenced by the predicates

Specified by:

getVariables in interface Predicate

Returns:

set of variables

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object