Constructor Detail

• DiskLocationCache

  public DiskLocationCache()

Method Detail

• getBaseDirectory

  public File getBaseDirectory()

• setBaseDirectory

  public void setBaseDirectory(File baseDir)

• isFileLocationCachingEnabled

  public boolean isFileLocationCachingEnabled()

• setFileLocationCachingEnabled

  public void setFileLocationCachingEnabled(boolean enabled)

• canCache

  public boolean canCache(Location source)

  Description copied from interface: LocationCache
  Gets whether the given location can be cached by this cache.

  Specified by:

  canCache in interface LocationCache

• cachedLocation

  public Location cachedLocation(Location source)

  Description copied from interface: LocationCache
  Gets the cache location of a given data source.

  Specified by:

  cachedLocation in interface LocationCache

  Returns:

  A Location where the source data is, or would be, cached.

• loadChecksum

  public String loadChecksum(Location source)
                      throws IOException

  Description copied from interface: LocationCache
  Loads the checksum value which corresponds to the cached location.

  Specified by:

  loadChecksum in interface LocationCache

  Parameters:

  source - The source location for which the cached checksum is desired.

  Returns:

  The loaded checksum, or null if one is not available.

  Throws:

  IOException - If something goes wrong accessing the checksum.

  See Also:

  DataHandle.checksum()

• saveChecksum

  public void saveChecksum(Location source,
                           String checksum)
                    throws IOException

  Description copied from interface: LocationCache
  Associates the given checksum value with the specified source location.

  Specified by:

  saveChecksum in interface LocationCache

  Parameters:

  source - The source location for which the checksum should be cached.

  checksum - The checksum value to cache.

  Throws:

  IOException - If something goes wrong caching the checksum.

  See Also:

  DataHandle.checksum()