Java IF (Table)

Java IF Switch on tables. Use the java editor to enter an expression that returns 0 or 1 (int) to indicate which of the two output branches the input should be directed to.

Note that any other result value (neither 0 nor 1) will result in an error.

Options

Flow Variable List: The list contains the flow variables that are currently available at the node input. Double clicking any of the entries will insert the respective identifier at the current cursor position (replacing the selection, if any).
Method Body: Enter your java code here (the entire source will be wrapped in a method). You can add the name of a variables by double-clicking its name in the left list. Note that numeric (double-compatible) variables will be handled as Double, int-compatible variables as Integer and any other varaible type as String.

Input Ports

: Input variables (optional).

Output Ports

: Output port that contains the input data if the result of the expression is 0 (otherwise) this branch is inactive.
: Output port that contains the input data if the result of the expression is 1 (otherwise) this branch is inactive.

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Installation

To use this node in KNIME, install the extension KNIME Javasnippet from the below update site following our NodePit Product and Node Installation Guide:

v5.9

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.9.0.v202511130855

On NodePit since: 2025-12-11

Last update: 2026-01-18

KNIME versions: Since v3.6

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