formatted_io4 Example

Python Version

Model Code:

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# Import classes for input/output channels
from cis_interface.interface.CisInterface import (
    CisPandasInput, CisPandasOutput)

# Initialize input/output channels
in_channel = CisPandasInput('inputA')
out_channel = CisPandasOutput('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, frame = in_channel.recv()
    if not flag:
        print("Model A: No more input.")
        break

    # Print received message
    nrows = len(frame.index)
    print('Model A: (%d rows)' % len(frame.index))
    print(frame)

    # Send output to output channel
    # If there is an error, the flag will be False
    flag = out_channel.send(frame)
    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 (
    CisPandasInput, CisPandasOutput)

# Initialize input/output channels
in_channel = CisPandasInput('inputB')
out_channel = CisPandasOutput('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, frame = in_channel.recv()
    if not flag:
        print("Model B: No more input.")
        break

    # Print received message
    nrows = len(frame.index)
    print('Model B: (%d rows)' % nrows)
    print(frame)

    # Send output to output channel
    # If there is an error, the flag will be False
    flag = out_channel.send(frame)
    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_io4_modelA.py
    inputs: inputA
    outputs:
      name: outputA
      field_names: name,count,size

  - name: python_modelB
    language: python
    args: ./src/formatted_io4_modelB.py
    inputs: inputB
    outputs:
      name: outputB
      field_names: name,count,size

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: pandas
  - input: outputB  # Connection between model B output and file
    output: ./output.txt
    filetype: pandas

Matlab Version

Model Code:

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% Initialize input/output channels 
in_channel = CisInterface('CisPandasInput', 'inputA');
out_channel = CisInterface('CisPandasOutput', '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, arr] = in_channel.recv();
  if (~flag)
    disp('Model A: No more input.');
    break;
  end;

  % Print received message
  nr = size(arr, 1);
  fprintf('Model A: (%d rows)\n', nr);
  for i = 1:nr
    fprintf('   %s, %d, %f\n', arr{i,1}, arr{i,2}, arr{i,3});
  end;

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

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% Initialize input/output channels 
in_channel = CisInterface('CisPandasInput', 'inputB');
out_channel = CisInterface('CisPandasOutput', '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, arr] = in_channel.recv();
  if (~flag)
    disp('Model B: No more input.');
    break;
  end;

  % Print received message
  nr = size(arr, 1);
  fprintf('Model B: (%d rows)\n', nr);
  for i = 1:nr
    fprintf('   %s, %d, %f\n', arr{i,1}, arr{i,2}, arr{i,3});
  end;

  % Send output to output channel
  % If there is an error, the flag will be False
  flag = out_channel.send(arr);
  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_io4_modelA.m
    inputs: inputA
    outputs:
      name: outputA
      field_names: name,count,size

  - name: matlab_modelB
    language: matlab
    args: ./src/formatted_io4_modelB.m
    inputs: inputB
    outputs:
      name: outputB
      field_names: name,count,size

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: pandas
  - input: outputB  # Connection between model B output and file
    output: ./output.txt
    filetype: pandas

C Version

Model Code:

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#include <stdio.h>
// Include methods for input/output channels
#include "CisInterface.h"

int main(int argc, char *argv[]) {
  // Initialize input/output channels
  cisAsciiArrayInput_t in_channel = cisAsciiArrayInput("inputA");
  cisAsciiArrayOutput_t out_channel = cisAsciiArrayOutput("outputA", "%6s\t%ld\t%f\n");

  // Declare resulting variables and create buffer for received message
  size_t nrows;
  int flag = 1;
  char *name = NULL;
  long *count = NULL;
  double *size = NULL;

  // Loop until there is no longer input or the queues are closed
  while (flag >= 0) {
  
    // Receive input from input channel
    // If there is an error, the flag will be negative
    // Otherwise, it is the size of the received message
    flag = cisRecv(in_channel, &nrows, &name, &count, &size);
    if (flag < 0) {
      printf("Model A: No more input.\n");
      break;
    }

    // Print received message
    printf("Model A: (%lu rows)\n", nrows);
    size_t i;
    for (i = 0; i < nrows; i++)
      printf("   %.6s, %ld, %f\n", &name[6*i], count[i], size[i]);

    // Send output to output channel
    // If there is an error, the flag will be negative
    flag = cisSend(out_channel, nrows, name, count, size);
    if (flag < 0) {
      printf("Model A: Error sending output.\n");
      break;
    }

  }

  // Free dynamically allocated columns
  if (name) free(name);
  if (count) free(count);
  if (size) free(size);
  
  return 0;
}


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#include <stdio.h>
// Include methods for input/output channels
#include "CisInterface.h"

int main(int argc, char *argv[]) {
  // Initialize input/output channels
  cisAsciiArrayInput_t in_channel = cisAsciiArrayInput("inputB");
  cisAsciiArrayOutput_t out_channel = cisAsciiArrayOutput("outputB", "%6s\t%ld\t%f\n");

  // Declare resulting variables and create buffer for received message
  size_t nrows;
  int flag = 1;
  char *name = NULL;
  long *count = NULL;
  double *size = NULL;

  // Loop until there is no longer input or the queues are closed
  while (flag >= 0) {
  
    // Receive input from input channel
    // If there is an error, the flag will be negative
    // Otherwise, it is the size of the received message
    flag = cisRecv(in_channel, &nrows, &name, &count, &size);
    if (flag < 0) {
      printf("Model B: No more input.\n");
      break;
    }

    // Print received message
    printf("Model B: (%lu rows)\n", nrows);
    size_t i;
    for (i = 0; i < nrows; i++)
      printf("   %.6s, %ld, %f\n", &name[6*i], count[i], size[i]);

    // Send output to output channel
    // If there is an error, the flag will be negative
    flag = cisSend(out_channel, nrows, name, count, size);
    if (flag < 0) {
      printf("Model B: Error sending output.\n");
      break;
    }

  }
  
  // Free dynamically allocated columns
  if (name) free(name);
  if (count) free(count);
  if (size) free(size);
  
  return 0;
}

Model YAML:

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models:
  - name: c_modelA
    language: c
    args: ./src/formatted_io4_modelA.c
    inputs: inputA
    outputs:
      name: outputA
      field_names: name,count,size

  - name: c_modelB
    language: c
    args: ./src/formatted_io4_modelB.c
    inputs: inputB
    outputs:
      name: outputB
      field_names: name,count,size

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: pandas
  - input: outputB  # Connection between model B output and file
    output: ./output.txt
    filetype: pandas

C++ Version

Model Code:

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#include <iostream>
// Include methods for input/output channels
#include "CisInterface.hpp"

int main(int argc, char *argv[]) {
  // Initialize input/output channels
  CisAsciiArrayInput in_channel("inputA");
  CisAsciiArrayOutput out_channel("outputA", "%6s\t%ld\t%f\n");

  // Declare resulting variables and create buffer for received message
  size_t nrows;
  int flag = 1;
  char *name = NULL;
  long *count = NULL;
  double *size = NULL;

  // Loop until there is no longer input or the queues are closed
  while (flag >= 0) {
  
    // Receive input from input channel
    // If there is an error, the flag will be negative
    // Otherwise, it is the size of the received message
    flag = in_channel.recv(4, &nrows, &name, &count, &size);
    if (flag < 0) {
      std::cout << "Model A: No more input." << std::endl;
      break;
    }

    // Print received message
    printf("Model A: (%lu rows)\n", nrows);
    size_t i;
    for (i = 0; i < nrows; i++)
      printf("   %.6s, %ld, %f\n", &name[6*i], count[i], size[i]);

    // Send output to output channel
    // If there is an error, the flag will be negative
    flag = out_channel.send(4, nrows, name, count, size);
    if (flag < 0) {
      std::cout << "Model A: Error sending output." << std::endl;
      break;
    }

  }
  
  // Free dynamically allocated columns
  if (name) free(name);
  if (count) free(count);
  if (size) free(size);
  
  return 0;
}

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#include <iostream>
// Include methods for input/output channels
#include "CisInterface.hpp"

#define MYBUFSIZ 1000

int main(int argc, char *argv[]) {
  // Initialize input/output channels
  CisAsciiArrayInput in_channel("inputB");
  CisAsciiArrayOutput out_channel("outputB", "%6s\t%ld\t%f\n");

  // Declare resulting variables and create buffer for received message
  size_t nrows;
  int flag = 1;
  char *name = NULL;
  long *count = NULL;
  double *size = NULL;

  // Loop until there is no longer input or the queues are closed
  while (flag >= 0) {
  
    // Receive input from input channel
    // If there is an error, the flag will be negative
    // Otherwise, it is the size of the received message
    flag = in_channel.recv(4, &nrows, &name, &count, &size);
    if (flag < 0) {
      std::cout << "Model B: No more input." << std::endl;
      break;
    }

    // Print received message
    printf("Model A: (%lu rows)\n", nrows);
    size_t i;
    for (i = 0; i < nrows; i++)
      printf("   %.6s, %ld, %f\n", &name[6*i], count[i], size[i]);

    // Send output to output channel
    // If there is an error, the flag will be negative
    flag = out_channel.send(4, nrows, name, count, size);
    if (flag < 0) {
      std::cout << "Model B: Error sending output." << std::endl;
      break;
    }

  }
  
  // Free dynamically allocated columns
  if (name) free(name);
  if (count) free(count);
  if (size) free(size);
  
  return 0;
}

Model YAML:

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models:
  - name: cpp_modelA
    language: c++
    args: ./src/formatted_io4_modelA.cpp
    inputs: inputA
    outputs:
      name: outputA
      field_names: name,count,size

  - name: cpp_modelB
    language: c++
    args: ./src/formatted_io4_modelB.cpp
    inputs: inputB
    outputs:
      name: outputB
      field_names: name,count,size

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: pandas
  - input: outputB  # Connection between model B output and file
    output: ./output.txt
    filetype: pandas