Fig. (3).

Flow Control nodes. A. The variable value comparison settings panel for any of the ‘If Switch (Flow Variable Value)’ nodes; B. Part of the ‘Loop End (Upto 4 ports)’ node settings panel, showing the settings for the incoming tables. Port 3 is an optional port with no input table connected; C. ‘Loop End (Upto 4 ports)’ as configured in B, showing inactive branches at the outputs for the disconnected inputs; D. ‘Loop End (Upto 4 ports)’ without the ‘Return inactive branches’ option set, showing active outputs at all ports; E. Example of using a benchmarking loop to record performance of a Java Snippet node. (A higher resolution / colour version of this figure is available in the electronic copy of the article).