org.quattor.pan.utils

Class FileStatCache

java.lang.Object

org.quattor.pan.utils.FileStatCache

public class FileStatCache
extends 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

Constructors

Constructor and Description
FileStatCache()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	exists(File file)
long	getModificationTime(File file)
boolean	isMissingOrModifiedAfter(File file, long targetTime)
boolean	isMissingOrModifiedBefore(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(File file)

isMissingOrModifiedAfter

public boolean isMissingOrModifiedAfter(File file,
                               long targetTime)

isMissingOrModifiedBefore

public boolean isMissingOrModifiedBefore(File file,
                                long targetTime)

getModificationTime

public long getModificationTime(File file)