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# Class w3c.jigsaw.upgrade.Upgrade

    java.lang.Object
       |
       +----w3c.jigsaw.upgrade.Upgrade

public class Upgrade
extends Object

The main, upgrader class.

##

Upgrade()

##

getUpgrader(int, int)
  Look for an upgrader class to go from one bersion to another.

##

Upgrade

     public Upgrade()

##

getUpgrader

     public static Upgrader[] getUpgrader(int from,
                                          int to)

  Look for an upgrader class to go from one bersion to another.

  Parameters:
    from - The version that has emitted the current configuration.
    to - The version that is trying to read that configuration.
  Returns:
    An array of upgraders, to be applied in the order in which they are returned, or null if no upgrade is to be performed.

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