formatted_io7 Example

Python Version

Model Code:

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# Import classes for input/output channels
from cis_interface.interface.CisInterface import CisInput, CisOutput

# Initialize input/output channels
in_channel = CisInput('inputA')
out_channel = CisOutput('outputA')

# Loop until there is no longer input or the queues are closed
while True:

    # Receive input from input channel
    # If there is an error, the flag will be False
    flag, obj = in_channel.recv()
    if not flag:
        print("Model A: No more input.")
        break

    # Print received message
    print('Model A: %s' % str(obj))

    # Send output to output channel
    # If there is an error, the flag will be False
    flag = out_channel.send(obj)
    if not flag:
        raise RuntimeError("Model A: Error sending output.")

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# Import classes for input/output channels
from cis_interface.interface.CisInterface import CisInput, CisOutput

# Initialize input/output channels
in_channel = CisInput('inputB')
out_channel = CisOutput('outputB')

# Loop until there is no longer input or the queues are closed
while True:

    # Receive input from input channel
    # If there is an error, the flag will be False
    flag, obj = in_channel.recv()
    if not flag:
        print("Model B: No more input.")
        break

    # Print received message
    print('Model B: %s' % str(obj))

    # Send output to output channel
    # If there is an error, the flag will be False
    flag = out_channel.send(obj)
    if not flag:
        raise RuntimeError("Model B: Error sending output.")

Model YAML:

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models:
  - name: python_modelA
    language: python
    args: ./src/formatted_io7_modelA.py
    inputs:
      - name: inputA
        type: object
    outputs:
      - name: outputA
        type: object

  - name: python_modelB
    language: python
    args: ./src/formatted_io7_modelB.py
    inputs:
      - name: inputB
        type: object
    outputs:
      - name: outputB
        type: object

connections:
  - input: outputA  # Connection between model A output & model B input
    output: inputB
  - input: ./Input/input.txt  # Connection between file and model A input
    output: inputA
    filetype: map
  - input: outputB  # Connection between model B output and file
    output: ./output.txt
    filetype: map

Matlab Version

Model Code:

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% Initialize input/output channels 
in_channel = CisInterface('CisInput', 'inputA');
out_channel = CisInterface('CisOutput', 'outputA');

flag = true;

% Loop until there is no longer input or the queues are closed
while flag

  % Receive input from input channel
  % If there is an error, the flag will be False.
  [flag, obj] = in_channel.recv();
  if (~flag)
    disp('Model A: No more input.');
    break;
  end;

  % Print received message
  fprintf('Model A:');
  disp(obj);

  % Send output to output channel
  % If there is an error, the flag will be False
  flag = out_channel.send(obj);
  if (~flag)
    error('Model A: Error sending output.');
    break;
  end;
  
end;

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% Initialize input/output channels 
in_channel = CisInterface('CisInput', 'inputB');
out_channel = CisInterface('CisOutput', 'outputB');

flag = true;

% Loop until there is no longer input or the queues are closed
while flag

  % Receive input from input channel
  % If there is an error, the flag will be False.
  [flag, obj] = in_channel.recv();
  if (~flag)
    disp('Model B: No more input.');
    break;
  end;

  % Print received message
  fprintf('Model B:');
  disp(obj);

  % Send output to output channel
  % If there is an error, the flag will be False
  flag = out_channel.send(obj);
  if (~flag)
    error('Model B: Error sending output.');
    break;
  end;
  
end;

Model YAML:

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models:
  - name: matlab_modelA
    language: matlab
    args: ./src/formatted_io7_modelA.m
    inputs:
      - name: inputA
        type: object
    outputs:
      - name: outputA
        type: object

  - name: matlab_modelB
    language: matlab
    args: ./src/formatted_io7_modelB.m
    inputs:
      - name: inputB
        type: object
    outputs:
      - name: outputB
        type: object

connections:
  - input: outputA  # Connection between model A output & model B input
    output: inputB
  - input: ./Input/input.txt  # Connection between file and model A input
    output: inputA
    filetype: map
  - input: outputB  # Connection between model B output and file
    output: ./output.txt
    filetype: map