ch.ethz.mxquery.update.store.llImpl
Class Redelete

java.lang.Object
  ch.ethz.mxquery.update.store.llImpl.Redelete

All Implemented Interfaces:

RollbackItem

public class Redelete
extends java.lang.Object
implements RollbackItem

Saves informations to rollback a deletion.

Constructor Summary

Redelete()
Dummy Constructor for deletions that delete nothing.

Redelete(LLToken start, LLToken prev, LLToken end, LLToken next)
Constructor

Method Summary

void

apply()

Methods inherited from class java.lang.Object

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

Constructor Detail

Redelete

public Redelete()

Dummy Constructor for deletions that delete nothing.

Redelete

public Redelete(LLToken start,
                LLToken prev,
                LLToken end,
                LLToken next)

Constructor

Parameters:

start - start of deleted sequence

prev - SimpleToken before start

end - end of deleted sequence

next - SimpleToken after end

Method Detail

apply

public void apply()

Specified by:

apply in interface RollbackItem