CreateProcessingFile creates a file saying whether the index is being created.

ExistsProcessingFile returns whether the processing file exists.

NewConfig creates a new Config instance for given driver's configuration.

ReadConfig reads an configuration from the passed reader (r).

ReadConfigFile reads an configuration from file.

RemoveProcessingFile removes the file that says whether the index is still being created.

WriteConfig writes the configuration to the passed writer (w).

WriteConfigFile writes the configuration to file.

WriteProcessingFile write data to the processing file either truncating it before or creating it if it doesn't exist.

Config represents index configuration.