class TFilePrefetch: public TObject

 Constructor.

 Destructor

 Killing the async prefetching thread

 Read one block and insert it in prefetchBuffers list.

 Get blocks specified in prefetchBlocks.

 Search for a requested element in a block and return the index.

 Return the time spent wating for buffer to be read in microseconds.

 Return a prefetched element.

 Create a TFPBlock object or recycle one and add it to the prefetchBlocks list.

 Safe method to add a block to the pendingList.

 Safe method to remove a block from the pendingList.

 Safe method to add a block to the readList.

 Create a new block or recycle an old one.

 Return reference to the consumer thread.

 Change the file
 When prefetching is enabled we also need to:
 - make sure the async thread is not doing any work
 - clear all blocks from prefetching and read list
 - reset the file pointer

 Used to start the consumer thread.

 Execution loop of the consumer thread.

 Sum up individual hex values to obtain a decimal value.

 Test if the block is in cache.

 Return a buffer from cache.

 Save the block content in cache.

 Set the path of the cache directory.