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java.lang.Objectorg.jboss.messaging.core.journal.impl.Reclaimer
public class Reclaimer
A ReclaimerTest The journal consists of an ordered list of journal files Fn where 0 <= n <= N A journal file can contain either positives (pos) or negatives (neg) (Positives correspond either to adds or updates, and negatives correspond to deletes). A file Fn can be deleted if, and only if the following criteria are satisified 1) All pos in a file Fn, must have corresponding neg in any file Fm where m >= n. 2) All pos that correspond to any neg in file Fn, must all live in any file Fm where 0 <= m <= n which are also marked for deletion in the same pass of the algorithm.
Constructor Summary | |
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Reclaimer()
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Method Summary | |
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void |
scan(JournalFile[] files)
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Reclaimer()
Method Detail |
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public void scan(JournalFile[] files)
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