org.cdlib.xtf.cache
Class FileDependency

Object
  Dependency
      FileDependency

public class FileDependency
extends Dependency

This class represents a dependency on a given file. The dependency becomes stale if the file modification time changes after the dependency is created.

Field Summary

private File	file The file we're tracking
private long	lastModified When the file was modified

Constructor Summary

FileDependency(File file)
Constructor - stores the modification date of the file.

FileDependency(String path)
Constructor - stores the modification date of the file.

Method Summary

String	toString() Make a human-readable representation
boolean	validate() Checks if this dependency is still valid.

Methods inherited from class Object

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

Field Detail

file

private File file

The file we're tracking

lastModified

private long lastModified

When the file was modified

Constructor Detail

FileDependency

public FileDependency(File file)

Constructor - stores the modification date of the file.

Parameters:

file - The file to base the dependency on.

FileDependency

public FileDependency(String path)

Constructor - stores the modification date of the file.

Parameters:

path - Full path to the file on which to base the dependency.

Method Detail

validate

public boolean validate()

Checks if this dependency is still valid.

Specified by:

validate in class Dependency

Returns:

true iff the file modification time is unchanged.

toString

public String toString()

Make a human-readable representation

Overrides:

toString in class Object