R021 Process Adapter


The Process adapter start a process and reads its output (stdout). The received data is forwarded to a configurable reader. Scripts are used to send data to the process (stdin) and activate the streaming environment (stimulation). The adapter can be combined with other adapters using a multi-adapter port.

32/64bit 32/64bit 32/64bit
  • None
Known limitations
  • None.
  • Stable
  • Connect
  • Read
  • Sync
  • Stimulate
  • Enable: Enables/disables the port adapter.
  • Command: Command to be executed.
  • Parameter: Parameter for the command.
  • Path: Working path for the process.
  • Reader: Select the reader to parse the raw data stream.
  • Configuration: Optionally, a serialization configuration can be selected (depending on the reader).
  • Insert as root: If the adapter is included in a multi adapter port, the flag will force the adapter to add its signal hierarchy into the root of the combined record.
  • Write input to file: Select a file to log the input stream.
  • Synchronisation: Allows to define a script to do adapter synchronisation.
  • Stimulation: Allows to define a script to stimulate the connected process.


Screen Cast: Using the Process Adapter

Source Configuration

  • Command: Type in the command.
  • Parameter: Type in the command parameters.
  • Path: Select the working directory for the process.
  • Write input to file: Select a file to log the input stream.

You may specify a file "Write input to file" to store the raw input for debugging purpose.


Configure the serializer by selecting a reader and optionally a reader configuration (some reader require a configuration, e.g. the CSV reader).
You may use the buttons '+' and '...' to add and manage existing reader configurations (Preferences).
You may use the "Test Line Reader" (extracts lines from the raw input) and "Test Block Reader" (extract fixed size byte blocks) for debugging purpose.


Using a multi adapter port, you can combine an unlimited number of different input adapters. The synchronization section of the adapters allows you to synchronize inputs with different domain bases (e.g. each input has its own time base).

11 Synchronisation


There may be cases where the application need to be stimulated to make the source data available. In this case, enable the "Enable Script" check and extend the stimulation script according to your needs.

The script is executed after connecting (background thread).

	// process: java.lang.Process
	// log: java.io.OutputStream,
	// out: java.io.OutputStream,
	// progress: progress control of type IPortProgress
	// console: console output of type MessageConsoleStream


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