/** Load implementation for FileCacheKey: must return the metadata of the requested file. */
private FileMetadata loadIntern(final FileCacheKey key) throws IOException {
final String fileName = key.getFileName();
final long fileLength = directory.fileLength(fileName);
// We're forcing the buffer size of a to-be-read segment to the full file size:
final int bufferSize = (int) Math.min(fileLength, (long) autoChunkSize);
final FileMetadata meta = new FileMetadata(bufferSize);
meta.setSize(fileLength);
return meta;
}
/** ContainsKey implementation for chunk elements */
protected Boolean containsKeyIntern(final FileCacheKey fileCacheKey) throws IOException {
return Boolean.valueOf(directory.fileExists(fileCacheKey.getFileName()));
}