org.quattor.pan.utils
Class FileStatCache

java.lang.Object
  org.quattor.pan.utils.FileStatCache

public class FileStatCache
extends java.lang.Object

Class to cache file modification times. This class minimizes the number of disk accesses to determine the modification times of files. This improves the performance when the same file is requested many times.

Author:

loomis

Constructor Summary

FileStatCache()

Method Summary

boolean	exists(java.io.File file)
long	getModificationTime(java.io.File file)
boolean	isMissingOrModifiedAfter(java.io.File file, long targetTime)
boolean	isMissingOrModifiedBefore(java.io.File file, long targetTime)

Methods inherited from class java.lang.Object

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

Constructor Detail

FileStatCache

public FileStatCache()

Method Detail

exists

public boolean exists(java.io.File file)

isMissingOrModifiedAfter

public boolean isMissingOrModifiedAfter(java.io.File file,
                                        long targetTime)

isMissingOrModifiedBefore

public boolean isMissingOrModifiedBefore(java.io.File file,
                                         long targetTime)

getModificationTime

public long getModificationTime(java.io.File file)