Provides abstract classes representing generic concepts such as file system access or system command execution, for which individual framework libraries provide concrete subclasses.
A data flow node that performs a database access.
A data flow node that contains a file name or an array of file names from the local file system.
A data flow node that performs a file system access (read, write, copy, permissions, stats, etc).
A data flow node that reads data from the file system.
A data flow node that writes data to the file system.
A data flow node that reads persistent data.
A data flow node that writes persistent data.
A data flow node that executes an operating system command, for instance by spawning a new process.