edu.udo.cs.yale.tools
Class TempFileService

java.lang.Object
  edu.udo.cs.yale.tools.TempFileService

public class TempFileService
extends java.lang.Object

This class manages temporary files like model files, files with predicted labels, and so on. The methods of this class can handle given strings that shall be part of the name of the temporary files and automatically increments a counter that is also part of these file names. Methods for using base files or renaming are also included. The user can choose, whether all temporary files are to be kept or to be deleted as soon as they are no longer needed or as soon as the YALE has completed the whole experiment.

Version:

$Id: TempFileService.java,v 2.20 2006/08/03 14:39:31 ingomierswa Exp $

Author:

Ingo Mierswa

Field Summary

static java.lang.String[]	DELETE_TEMP_FILES
private static int	deleteTempFiles Indicates wether or not deleteOnExit() should be invoked on all created temporary files.
static int	DIRECTLY
static int	NO
static int	ON_EXIT
private static java.lang.String	TMP_PREFIX Prefix of all files.
private static java.io.File	tmpDir Directory of all temp files.

Constructor Summary

TempFileService()

Method Summary

static java.io.File	createTempFile() Creates a new temp file with a name build of prefix and the current file index.
static java.io.File	createTempFile(java.io.File oldfile) Gets a file and renames it to prefix + current file index.
static java.io.File	createTempFile(java.lang.String name) Like createTempFile, additionally the given name is part of the file name.
static java.io.File	createTempFile(java.lang.String name, java.io.File oldfile) Like createTempFile(File), additionally the given name is part of the file name.
static java.io.File	createTempFile(java.lang.String name, java.lang.String extension) Like createTempFile, additionally the given name is part of the file name.
static java.lang.String	createTempFiles(java.lang.String name, java.lang.String[] extensions, java.io.File[] files) Fills the given file array with files of a created filestem (which will be returned), and each of the extensions.
static void	deleteTempDir()
static void	deleteTempFile(java.io.File file) Deletes the file if delete_temp_files is set to DIRECTLY.
static java.io.File	getTempDir() Returns the temp dir.
static void	init(Experiment experiment) Initializes the temp file service.

Methods inherited from class java.lang.Object

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

Field Detail

DELETE_TEMP_FILES

public static final java.lang.String[] DELETE_TEMP_FILES

NO

public static final int NO

See Also:

Constant Field Values

DIRECTLY

public static final int DIRECTLY

See Also:

Constant Field Values

ON_EXIT

public static final int ON_EXIT

See Also:

Constant Field Values

deleteTempFiles

private static int deleteTempFiles

Indicates wether or not deleteOnExit() should be invoked on all created temporary files. One out of NO, DIRECTLY, and ON_EXIT.

TMP_PREFIX

private static final java.lang.String TMP_PREFIX

Prefix of all files. The value is "_yale_".

See Also:

Constant Field Values

tmpDir

private static java.io.File tmpDir

Directory of all temp files.

Constructor Detail

TempFileService

public TempFileService()

Method Detail

init

public static void init(Experiment experiment)
                 throws OperatorException

Initializes the temp file service.

Throws:

OperatorException

createTempFile

public static java.io.File createTempFile()

Creates a new temp file with a name build of prefix and the current file index.

createTempFile

public static java.io.File createTempFile(java.lang.String name)

Like createTempFile, additionally the given name is part of the file name.

createTempFile

public static java.io.File createTempFile(java.lang.String name,
                                          java.lang.String extension)

Like createTempFile, additionally the given name is part of the file name.

createTempFile

public static java.io.File createTempFile(java.io.File oldfile)

Gets a file and renames it to prefix + current file index.

createTempFile

public static java.io.File createTempFile(java.lang.String name,
                                          java.io.File oldfile)

Like createTempFile(File), additionally the given name is part of the file name.

createTempFiles

public static java.lang.String createTempFiles(java.lang.String name,
                                               java.lang.String[] extensions,
                                               java.io.File[] files)

Fills the given file array with files of a created filestem (which will be returned), and each of the extensions.

deleteTempFile

public static void deleteTempFile(java.io.File file)

Deletes the file if delete_temp_files is set to DIRECTLY.

getTempDir

public static java.io.File getTempDir()

Returns the temp dir.

deleteTempDir

public static void deleteTempDir()