BaseDirectory

Closes the directory.

Copies an existing src file from directory from to a non-existent file dest in this directory. The given IOContext is only used for opening the destination file.

Creates a new, empty file in the directory and returns an IndexOutput instance for appending data to this file.

Creates a new, empty, temporary file in the directory and returns an IndexOutput instance for appending data to this file.

Removes an existing file in the directory.

Ensures this directory is still open.

Returns the byte length of a file in the directory.

Returns names of all files stored in this directory. The output must be in sorted (UTF-16, java's String.compareTo) order.

Acquires and returns a Lock for a file with the given name.

Opens a checksum-computing stream for reading an existing file.

Opens a stream for reading an existing file.

Renames source file to dest file where dest must not already exist in the directory.

Ensures that any writes to these files are moved to stable storage (made durable).

Ensures that directory metadata, such as recent file renames, are moved to stable storage.