org.pentaho.reporting.libraries.formula.typing
Interface ExtendedComparator

All Known Implementing Classes:

DefaultComparator

public interface ExtendedComparator

A comparator, that offers type support. Unlike the plain Java-Comparator, this class is able to compare

Author:

Thomas Morgner

Method Summary

int	compare(Type type1, Object value1, Type type2, Object value2) Returns null, if the types are not comparable and are not convertible at all.
boolean	isEqual(Type type1, Object value1, Type type2, Object value2)

Method Detail

isEqual

boolean isEqual(Type type1,
                Object value1,
                Type type2,
                Object value2)

compare

int compare(Type type1,
            Object value1,
            Type type2,
            Object value2)
            throws EvaluationException

Returns null, if the types are not comparable and are not convertible at all.

Parameters:

type1 -

value1 -

type2 -

value2 -

Returns:

Throws:

EvaluationException