Package org.codehaus.groovy.runtime

Class NumberAwareComparator<T>

java.lang.Object

org.codehaus.groovy.runtime.NumberAwareComparator<T>

All Implemented Interfaces:

Serializable, Comparator<T>

public class NumberAwareComparator<T>
extends Object
implements Comparator<T>, Serializable

Compares two objects using Groovy's friendly comparison algorithm, i.e. handles nulls gracefully (nul being less than everything else) and performs numeric type coercion if required.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
NumberAwareComparator()
NumberAwareComparator(boolean ignoreZeroSign)

Method Summary

Modifier and Type	Method	Description
int	compare(T o1, T o2)	Compares two values using Groovy comparison semantics with numeric coercion.

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

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Details

NumberAwareComparator

public NumberAwareComparator()

NumberAwareComparator

public NumberAwareComparator(boolean ignoreZeroSign)

Since:

3.0.8

Method Details

compare

public int compare(T o1,
 T o2)

Compares two values using Groovy comparison semantics with numeric coercion.

Specified by:

compare in interface Comparator<T>

Parameters:

o1 - the first value to compare

o2 - the second value to compare

Returns:

a negative integer, zero, or a positive integer if o1 is less than, equal to, or greater than o2 according to Groovy semantics