org.apache.cassandra.utils

Class CassandraVersion

java.lang.Object

org.apache.cassandra.utils.CassandraVersion

All Implemented Interfaces:

java.lang.Comparable<CassandraVersion>

public class CassandraVersion
extends java.lang.Object
implements java.lang.Comparable<CassandraVersion>

Implements versioning used in Cassandra and CQL.

Note: The following code uses a slight variation from the semver document (http://semver.org).

Field Summary

Fields

Modifier and Type	Field and Description
static CassandraVersion	CASSANDRA_3_4
static CassandraVersion	CASSANDRA_4_0
static CassandraVersion	CASSANDRA_4_0_RC2
static CassandraVersion	CASSANDRA_4_1
java.util.function.Supplier<CassandraVersion>	familyLowerBound
int	hotfix
int	major
int	minor
static CassandraVersion	NULL_VERSION Used to indicate that no previous version information was found.
int	patch
static CassandraVersion	UNREADABLE_VERSION Used to indicate that there was a previous version written to the legacy (pre 1.2) system.Versions table, but that we cannot read it.

Constructor Summary

Constructors

Constructor and Description
CassandraVersion(java.lang.String version) Parse a version from a string.

Method Summary

Modifier and Type	Method and Description
int	compareTo(CassandraVersion other)
int	compareTo(CassandraVersion other, boolean compareToPatchOnly)
boolean	equals(java.lang.Object o)
java.util.List<java.lang.String>	getBuild()
java.util.List<java.lang.String>	getPreRelease()
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

CASSANDRA_4_1

public static final CassandraVersion CASSANDRA_4_1

CASSANDRA_4_0

public static final CassandraVersion CASSANDRA_4_0

CASSANDRA_4_0_RC2

public static final CassandraVersion CASSANDRA_4_0_RC2

CASSANDRA_3_4

public static final CassandraVersion CASSANDRA_3_4

UNREADABLE_VERSION

public static final CassandraVersion UNREADABLE_VERSION

Used to indicate that there was a previous version written to the legacy (pre 1.2) system.Versions table, but that we cannot read it. Suffice to say, any upgrade should proceed through 1.2.x before upgrading to the current version.

NULL_VERSION

public static final CassandraVersion NULL_VERSION

Used to indicate that no previous version information was found. When encountered, we assume that Cassandra was not previously installed and we're in the process of starting a fresh node.

major

public final int major

minor

public final int minor

patch

public final int patch

hotfix

public final int hotfix

familyLowerBound

public final java.util.function.Supplier<CassandraVersion> familyLowerBound

Constructor Detail

CassandraVersion

public CassandraVersion(java.lang.String version)

Parse a version from a string.

Parameters:

version - the string to parse

Throws:

java.lang.IllegalArgumentException - if the provided string does not represent a version

Method Detail

getPreRelease

public java.util.List<java.lang.String> getPreRelease()

getBuild

public java.util.List<java.lang.String> getBuild()

compareTo

public int compareTo(CassandraVersion other)

Specified by:

compareTo in interface java.lang.Comparable<CassandraVersion>

compareTo

public int compareTo(CassandraVersion other,
                     boolean compareToPatchOnly)

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object