Package org.hotswap.agent.versions

Class VersionRange

java.lang.Object

org.hotswap.agent.versions.VersionRange

public class VersionRange
extends Object

Construct a version range from a specification.

Author:

Brett Porter

Method Summary

Modifier and Type	Method	Description
static VersionRange	any()	Any.
VersionRange	cloneOf()	Clone of.
boolean	containsVersion(ArtifactVersion version)	Contains version.
static VersionRange	createFromVersion(String version)	Creates the from version.
static VersionRange	createFromVersionSpec(String spec)	Create a version range from a string representation
boolean	equals(Object obj)
ArtifactVersion	getRecommendedVersion()	Gets the recommended version.
List<Restriction>	getRestrictions()	Gets the restrictions.
ArtifactVersion	getSelectedVersion()	Gets the selected version.
int	hashCode()
boolean	hasRestrictions()	Checks for restrictions.
boolean	isSelectedVersionKnown()	Checks if is selected version known.
ArtifactVersion	matchVersion(List<ArtifactVersion> versions)	Match version.
VersionRange	restrict(VersionRange restriction)	Creates and returns a new VersionRange that is a restriction of this version range and the specified version range.
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

getRecommendedVersion

public ArtifactVersion getRecommendedVersion()

Gets the recommended version.

Returns:

the recommended version

getRestrictions

public List<Restriction> getRestrictions()

Gets the restrictions.

Returns:

the restrictions

cloneOf

public VersionRange cloneOf()

Clone of.

Returns:

the version range

any

public static VersionRange any()

Any.

Returns:

the version range

createFromVersionSpec

public static VersionRange createFromVersionSpec(String spec)
                                          throws InvalidVersionSpecificationException

Create a version range from a string representation

Some spec examples are

• 1.0 Version 1.0
• [1.0,2.0) Versions 1.0 (included) to 2.0 (not included)
• [1.0,2.0] Versions 1.0 to 2.0 (both included)
• [1.5,) Versions 1.5 and higher
• (,1.0],[1.2,) Versions up to 1.0 (included) and 1.2 or higher

Parameters:

spec - string representation of a version or version range

Returns:

a new VersionRange object that represents the spec

Throws:

InvalidVersionSpecificationException - the invalid version specification exception

createFromVersion

public static VersionRange createFromVersion(String version)

Creates the from version.

Parameters:

version - the version

Returns:

the version range

restrict

public VersionRange restrict(VersionRange restriction)

Creates and returns a new VersionRange that is a restriction of this version range and the specified version range.

Note: Precedence is given to the recommended version from this version range over the recommended version from the specified version range.

Parameters:

restriction - the VersionRange that will be used to restrict this version range.

Returns:

the VersionRange that is a restriction of this version range and the specified version range.

The restrictions of the returned version range will be an intersection of the restrictions of this version range and the specified version range if both version ranges have restrictions. Otherwise, the restrictions on the returned range will be empty.

The recommended version of the returned version range will be the recommended version of this version range, provided that ranges falls within the intersected restrictions. If the restrictions are empty, this version range's recommended version is used if it is not null. If it is null, the specified version range's recommended version is used (provided it is non-null). If no recommended version can be obtained, the returned version range's recommended version is set to null.

Throws:

NullPointerException - if the specified VersionRange is null.

getSelectedVersion

public ArtifactVersion getSelectedVersion()

Gets the selected version.

Returns:

the selected version

isSelectedVersionKnown

public boolean isSelectedVersionKnown()

Checks if is selected version known.

Returns:

true, if is selected version known

matchVersion

public ArtifactVersion matchVersion(List<ArtifactVersion> versions)

Match version.

Parameters:

versions - the versions

Returns:

the artifact version

toString

public String toString()

Overrides:

toString in class Object

containsVersion

public boolean containsVersion(ArtifactVersion version)

Contains version.

Parameters:

version - the version

Returns:

true, if successful

hasRestrictions

public boolean hasRestrictions()

Checks for restrictions.

Returns:

true, if successful

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object