Class TempFileCache

Method Details

• initSingleton

  public static boolean initSingleton()

  Documented way to kick off static initialization

  Returns:

  true is static initialization was successful

• destroy

  public void destroy()

  Delete the individualTmpDir recursively and remove it's reference.

• isValid

  public boolean isValid()

  Returns:

  true is static and object initialization was successful

• getBaseDir

  public File getBaseDir()

  Base temp directory used by TempFileCache.

  Lifecycle: For one user's JVMs, ClassLoader and time.

  This is set to:

     ${java.io.tmpdir}/tmpDirPrefix
   

  Returns:

• getRootDir

  public File getRootDir()

  Root temp directory for this JVM instance. Used to store individual directories.

  Lifecycle: For one user's concurrently running JVMs and ClassLoader

     tmpBaseDir/tmpRootPropValue
   

  Use Case: Per ClassLoader files, eg. native libraries.

  Old temp directories are cleaned up the next time a JVM is launched that uses TempFileCache.

  Returns:

• getTempDir

  public File getTempDir()

  Temporary directory for individual files (eg. native libraries of one ClassLoader instance). The directory name is:

  Lifecycle: Within each JVM .. use case dependent, ie. per ClassLoader

     tmpRootDir/jlnMMMMM
   

  where jlnMMMMM is the unique filename created by File.createTempFile() without the ".tmp" extension.

  Returns: