org.arp.javautil.version

Class MajorMinorVersion

java.lang.Object

org.arp.javautil.version.AbstractVersion

org.arp.javautil.version.MajorMinorVersion

All Implemented Interfaces:

Version

Direct Known Subclasses:

DatabaseVersion, DriverVersion

public class MajorMinorVersion
extends AbstractVersion

Represents the version of an application. Has the capability of comparing versions by major and minor version number.

Author:

Andrew Post

Constructor Summary

Constructors

Constructor and Description
MajorMinorVersion(int major, int minor) Creates a version with a major and a minor number and a null version string.
MajorMinorVersion(int major, int minor, String versionString) Creates a version with a major number, a minor number and a version string.

Method Summary

Modifier and Type	Method and Description
int	compare(MajorMinorVersion otherVersion) Compares two versions by major then minor number.
boolean	equals(Object obj)
int	getMajor() Returns the major version number.
int	getMinor() Returns the minor version number.
int	hashCode()
String	toString()

Methods inherited from class org.arp.javautil.version.AbstractVersion

getVersionString

Methods inherited from class java.lang.Object

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

Constructor Detail

MajorMinorVersion

public MajorMinorVersion(int major,
                         int minor)

Creates a version with a major and a minor number and a null version string.

Parameters:

major - the major version number.

minor - the minor version number.

MajorMinorVersion

public MajorMinorVersion(int major,
                         int minor,
                         String versionString)

Creates a version with a major number, a minor number and a version string.

Parameters:

major - the major version number.

minor - the minor version number.

versionString - the version string. While the version string should represent a version with the major and minor numbers specified, that is not assumed in this implementation.

Method Detail

getMajor

public int getMajor()

Returns the major version number.

Returns:

the major version number.

getMinor

public int getMinor()

Returns the minor version number.

Returns:

the minor version number.

compare

public int compare(MajorMinorVersion otherVersion)

Compares two versions by major then minor number.

Parameters:

otherVersion - another MajorMinorVersion.

Returns:

-1 if this version is lower than otherVersion, 0 if they are the same version, and 1 if this version is higher than otherVersion.

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractVersion

equals

public boolean equals(Object obj)

Overrides:

equals in class AbstractVersion

toString

public String toString()

Overrides:

toString in class Object