Closes the directory.
Returns names of all files stored in this directory. The output must be in
sorted (UTF-16, java's St
Opens a stream for reading an existing file. This method must throw either
NoSuchFileException or Fi
Creates a new, empty file in the directory and returns an IndexOutputinstance
for appending data to
Removes an existing file in the directory. This method must throw either
NoSuchFileException or File
Returns the byte length of a file in the directory. This method must throw
Returns true iff a file with the given name exists.
Ensures that any writes to these files are moved to stable storage (made
durable). Lucene uses this
Copy contents of a directory src to a directory dest. If a file in src already
exists in dest then t
Acquires and returns a Lock for a file with the given name.
Copies an existing src file from directory fromto a non-existent file dest in
Opens a checksum-computing stream for reading an existing file. This method must
throw either NoSuch