TempFileDeleter

java.lang.Object

org.h2.util.TempFileDeleter

public class TempFileDeleter extends Object

This class deletes temporary files when they are not used any longer.

Method Summary

Modifier and Type

Method

Description

Reference<?>

addFile(Object resource, Object monitor)

Add a file or a closeable to the list of temporary objects to delete.

void

deleteAll()

Delete all registered temp resources.

void

deleteFile(Reference<?> ref, Object resource)

Delete the given file or close the closeable now.

void

deleteUnused()

Delete all unused resources now.

static TempFileDeleter

getInstance()

void

stopAutoDelete(Reference<?> ref, Object resource)

This method is called if a file should no longer be deleted or a resource should no longer be closed if the object is garbage collected.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- getInstance
  
  public static TempFileDeleter getInstance()
- addFile
  
  public Reference<?> addFile(Object resource, Object monitor)
  
  Add a file or a closeable to the list of temporary objects to delete. The file is deleted once the file object is garbage collected.
  
  Parameters:
  
  resource - the file name or the closeable
  
  monitor - the object to monitor
  
  Returns:
  
  the reference that can be used to stop deleting the file or closing the closeable
- deleteFile
  
  public void deleteFile(Reference<?> ref, Object resource)
  
  Delete the given file or close the closeable now. This will remove the reference from the list.
  
  Parameters:
  
  ref - the reference as returned by addFile
  
  resource - the file name or closeable
- deleteAll
  
  public void deleteAll()
  
  Delete all registered temp resources.
- deleteUnused
  
  public void deleteUnused()
  
  Delete all unused resources now.
- stopAutoDelete
  
  public void stopAutoDelete(Reference<?> ref, Object resource)
  
  This method is called if a file should no longer be deleted or a resource should no longer be closed if the object is garbage collected.
  
  Parameters:
  
  ref - the reference as returned by addFile
  
  resource - file name or closeable