Class MetadataVersion.NullMetadataVersion

java.lang.Object

com.github.zafarkhaja.semver.MetadataVersion

com.github.zafarkhaja.semver.MetadataVersion.NullMetadataVersion

All Implemented Interfaces:

Comparable<MetadataVersion>

Enclosing class:

MetadataVersion

private static class MetadataVersion.NullMetadataVersion
extends MetadataVersion

The implementation of the Null Object design pattern.

Since:

0.2.0

Field Summary

Fields inherited from class MetadataVersion

NULL

Constructor Summary

Constructors

Constructor	Description
NullMetadataVersion()	Constructs a NullMetadataVersion instance.

Method Summary

Modifier and Type	Method	Description
int	compareTo(MetadataVersion other)
boolean	equals(Object other)
int	hashCode()
(package private) MetadataVersion	increment()	Increments the metadata version.
String	toString()

Methods inherited from class Object

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

Constructor Details

NullMetadataVersion

public NullMetadataVersion()

Constructs a NullMetadataVersion instance.

Method Details

increment

MetadataVersion increment()

Description copied from class: MetadataVersion

Increments the metadata version.

Overrides:

increment in class MetadataVersion

Returns:

a new instance of the MetadataVersion class

Throws:

NullPointerException - as Null metadata cannot be incremented

toString

public String toString()

Overrides:

toString in class MetadataVersion

hashCode

public int hashCode()

Overrides:

hashCode in class MetadataVersion

equals

public boolean equals(Object other)

Overrides:

equals in class MetadataVersion

compareTo

public int compareTo(MetadataVersion other)

Specified by:

compareTo in interface Comparable<MetadataVersion>

Overrides:

compareTo in class MetadataVersion