jmplib.classversions

Class VersionTables

java.lang.Object

jmplib.classversions.VersionTables

public class VersionTables
extends java.lang.Object

This class stores a map composed by a class (using its full name) and the class that represent the most up-to-date version of this class that is in use in a concrete moment.

Author:

Computational Reflection Research Group. University of Oviedo

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	DEBUG

Constructor Summary

Constructors

Constructor and Description
VersionTables()

Method Summary

Modifier and Type	Method and Description
static void	addNewVersion(java.lang.Class<?> original, java.lang.Class<?> version) Adds a new version of one class
static java.lang.Class<?>	getNewVersion(java.lang.Class<?> clazz) Obtains the new version of the class
static java.lang.Class<?>	getNewVersion(java.lang.String className) Obtains the new version of the class
static java.util.List<java.lang.Class<?>>	getVersions(java.lang.Class<?> clazz) Obtains all version of one class
static boolean	hasNewVersion(java.lang.Class<?> clazz) Determines if a class has a new version or not
static boolean	hasNewVersion(java.lang.String className) Determines if a class has a new version or not
static boolean	instanceHasNewVersion(java.lang.Object instance) Determined if an instance has a new version available, which means that either: - The class has a new version associated and the instance has not (meaning that it is the first time that this instance have been used since the class has a new version) - The instance has a new version, but it is not of the same type of the new version of its class (meaning that the instance has an older version object instance that belongs to a previous class version type).
static java.lang.Class<?>	isVersionOf(java.lang.Class<?> clazz) Obtains the original class that is versioned by the class provided
static java.lang.Class<?>	isVersionOf(java.lang.String className) Obtains the original class that is versioned by the class provided

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEBUG

public static final boolean DEBUG

See Also:

Constant Field Values

Constructor Detail

VersionTables

public VersionTables()

Method Detail

instanceHasNewVersion

public static boolean instanceHasNewVersion(java.lang.Object instance)

Determined if an instance has a new version available, which means that either: - The class has a new version associated and the instance has not (meaning that it is the first time that this instance have been used since the class has a new version) - The instance has a new version, but it is not of the same type of the new version of its class (meaning that the instance has an older version object instance that belongs to a previous class version type).

Parameters:

instance - The instance that maybe has new version

Returns:

if the instance have new versions

getNewVersion

public static java.lang.Class<?> getNewVersion(java.lang.Class<?> clazz)

Obtains the new version of the class

Parameters:

clazz - The class

Returns:

The new version or the same class

getNewVersion

public static java.lang.Class<?> getNewVersion(java.lang.String className)

Obtains the new version of the class

Parameters:

className - The full name of the class

Returns:

The new version or null

hasNewVersion

public static boolean hasNewVersion(java.lang.Class<?> clazz)

Determines if a class has a new version or not

Parameters:

clazz - The class

Returns:

Returns if a class has a new version or not

hasNewVersion

public static boolean hasNewVersion(java.lang.String className)

Determines if a class has a new version or not

Parameters:

className - The full name of the class.

Returns:

Returns if a class has a new version or not

addNewVersion

public static void addNewVersion(java.lang.Class<?> original,
                                 java.lang.Class<?> version)

Adds a new version of one class

Parameters:

original - The original class

version - The new version

getVersions

public static java.util.List<java.lang.Class<?>> getVersions(java.lang.Class<?> clazz)

Obtains all version of one class

Parameters:

clazz - The class

Returns:

All versions of the class

isVersionOf

public static java.lang.Class<?> isVersionOf(java.lang.Class<?> clazz)

Obtains the original class that is versioned by the class provided

Parameters:

clazz - The version class

Returns:

The original class

isVersionOf

public static java.lang.Class<?> isVersionOf(java.lang.String className)

Obtains the original class that is versioned by the class provided

Parameters:

className - The full name of the version class

Returns:

The original class