Package org.apache.jackrabbit.oak.segment.file

Class JournalReader

java.lang.Object

org.apache.jackrabbit.guava.common.collect.UnmodifiableIterator<T>

org.apache.jackrabbit.guava.common.collect.AbstractIterator<JournalEntry>

org.apache.jackrabbit.oak.segment.file.JournalReader

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<JournalEntry>

public final class JournalReader
extends org.apache.jackrabbit.guava.common.collect.AbstractIterator<JournalEntry>
implements Closeable

Iterator over the revisions in the journal in reverse order (end of the file to beginning).

Constructor Summary

Constructors

Constructor	Description
JournalReader(JournalFile journal)

Method Summary

Modifier and Type	Method	Description
void	close()
protected JournalEntry	computeNext()

Methods inherited from class org.apache.jackrabbit.guava.common.collect.AbstractIterator

endOfData, hasNext, next, peek

Methods inherited from class org.apache.jackrabbit.guava.common.collect.UnmodifiableIterator

remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Details

JournalReader

public JournalReader(JournalFile journal)
              throws IOException

Throws:

IOException

Method Details

computeNext

protected JournalEntry computeNext()

Specified by:

computeNext in class org.apache.jackrabbit.guava.common.collect.AbstractIterator<JournalEntry>

Throws:

IllegalStateException - if an IOException occurs while reading from the journal file.

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException