org.kuali.rice.krms.framework.engine.expression

Class DefaultComparisonOperator

java.lang.Object

org.kuali.rice.krms.framework.engine.expression.DefaultComparisonOperator

All Implemented Interfaces:

Comparator, EngineComparatorExtension, StringCoercionExtension

public class DefaultComparisonOperator
extends Object
implements EngineComparatorExtension, StringCoercionExtension

The default ComparisonOperator. If no other EngineComparatorExtension have been configured to handle a type, the DefaultComparisonOperator will be used. At the moment the DefaultComparisonOperator is also the default StringCoercionExtension for coercing types.

Author:

Kuali Rice Team (rice.collab@kuali.org)

Constructor Summary

Constructors

Constructor and Description
DefaultComparisonOperator()

Method Summary

Modifier and Type	Method and Description
boolean	canCoerce(String type, String value)
boolean	canCompare(Object lhs, Object rhs)
Object	coerce(String type, String value)
int	compare(Object lhs, Object rhs)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

DefaultComparisonOperator

public DefaultComparisonOperator()

Method Detail

compare

public int compare(Object lhs,
                   Object rhs)

Specified by:

compare in interface Comparator

Specified by:

compare in interface EngineComparatorExtension

canCompare

public boolean canCompare(Object lhs,
                          Object rhs)

Specified by:

canCompare in interface EngineComparatorExtension

coerce

public Object coerce(String type,
                     String value)

Specified by:

coerce in interface StringCoercionExtension

canCoerce

public boolean canCoerce(String type,
                         String value)

Specified by:

canCoerce in interface StringCoercionExtension