org.archive.wayback.resourcestore.locationdb
Class ResourceFileLocationDBLog

java.lang.Object
  java.io.File
      org.archive.wayback.resourcestore.locationdb.ResourceFileLocationDBLog

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<java.io.File>

public class ResourceFileLocationDBLog
extends java.io.File

Simple log file tracking new names being added to a ResourceFileLocationDB. Also supports returning an iterator of Strings to a byte range of the log, to simplify tracking deltas to the DB.

Version:

$Date: 2008-06-05 14:58:07 -0700 (Thu, 05 Jun 2008) $, $Revision: 2287 $

Author:

brad

See Also:

Serialized Form

Field Summary

Fields inherited from class java.io.File

pathSeparator, pathSeparatorChar, separator, separatorChar

Constructor Summary

ResourceFileLocationDBLog(java.lang.String pathname)

Method Summary

void	addName(java.lang.String name)
long	getCurrentMark()
CloseableIterator<java.lang.String>	getNamesBetweenMarks(long start, long end)

Methods inherited from class java.io.File

canExecute, canRead, canWrite, compareTo, createNewFile, createTempFile, createTempFile, delete, deleteOnExit, equals, exists, getAbsoluteFile, getAbsolutePath, getCanonicalFile, getCanonicalPath, getFreeSpace, getName, getParent, getParentFile, getPath, getTotalSpace, getUsableSpace, hashCode, isAbsolute, isDirectory, isFile, isHidden, lastModified, length, list, list, listFiles, listFiles, listFiles, listRoots, mkdir, mkdirs, renameTo, setExecutable, setExecutable, setLastModified, setReadable, setReadable, setReadOnly, setWritable, setWritable, toString, toURI, toURL

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ResourceFileLocationDBLog

public ResourceFileLocationDBLog(java.lang.String pathname)
                          throws java.io.IOException

Parameters:

pathname -

Throws:

java.io.IOException

Method Detail

getCurrentMark

public long getCurrentMark()

Returns:

long value indicating the current end position of the log

getNamesBetweenMarks

public CloseableIterator<java.lang.String> getNamesBetweenMarks(long start,
                                                                long end)
                                                         throws java.io.IOException

Parameters:

start -

end -

Returns:

CleanableIterator that returns all names between start and end

Throws:

java.io.IOException

addName

public void addName(java.lang.String name)
             throws java.io.IOException

Parameters:

name -

Throws:

java.io.IOException