Package edu.stanford.slac.archiverappliance.plain.pb

Class PBEventStreamPositionBasedReverseIterator

java.lang.Object

edu.stanford.slac.archiverappliance.plain.pb.PBEventStreamPositionBasedReverseIterator

All Implemented Interfaces:

FileBackedPBEventStreamIterator, Closeable, AutoCloseable, Iterator<Event>

public class PBEventStreamPositionBasedReverseIterator
extends Object
implements FileBackedPBEventStreamIterator

An iterator for a FileBackedPBEventStream that can go backwards in time

Author:

mshankar

Constructor Summary

Constructors

Constructor	Description
PBEventStreamPositionBasedReverseIterator(Path path, long startFilePos, long endFilePos, short year, ArchDBRTypes type)

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	hasNext()
Event	next()
void	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

PBEventStreamPositionBasedReverseIterator

public PBEventStreamPositionBasedReverseIterator(Path path,
 long startFilePos,
 long endFilePos,
 short year,
 ArchDBRTypes type)
                                          throws IOException

Throws:

IOException

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Event>

next

public Event next()

Specified by:

next in interface Iterator<Event>

remove

public void remove()

Specified by:

remove in interface Iterator<Event>

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable