org.openmrs.module

Class VersionComparator

java.lang.Object

org.openmrs.module.VersionComparator

All Implemented Interfaces:

Comparator<String>

public class VersionComparator
extends Object
implements Comparator<String>

A comparator which takes version numbers stored as string. It assumes the versions are separated by periods and does not contain letters. This prevents the version number 10 from coming before version number 9.

Constructor Summary

Constructors

Constructor and Description
VersionComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(String o1, String o2)

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

VersionComparator

public VersionComparator()

Method Detail

compare

public int compare(String o1,
                   String o2)

Specified by:

compare in interface Comparator<String>

See Also:

Comparator.compare(java.lang.Object, java.lang.Object)

Should:

compare via numeric value not string value