// Every webMethods Integration Server service has exactly one input
// argument: the pipeline.
//
// The pipeline is like a javascript object that gets passed to each
// service that gets called.  (It's actually a com.wm.data.IData object,
// which is essentially a hash table.)
//
// Because objects are passed by reference, every service or function
// called can alter the keys and values in the pipeline.
//
// This is an example of how the webMethods Integration Server pipeline
// would work if it was implemented in javascript.
//
// $ node pipeline.js

var inspect = require('util').inspect;

function greet(pipeline) {
  // convert the name argument to upper case
  pipeline.instring = pipeline.name;
  upcase(pipeline);
  pipeline.name = pipeline.outstring;

  // get honorific
  honorific(pipeline);

  // return greeting variable
  pipeline.greeting = 'Hello ' + pipeline.honorific + ' ' + pipeline.name;
}

function upcase(pipeline) {
  pipeline.outstring = pipeline.instring.toUpperCase();
}

function honorific(pipeline) {
  if (pipeline.gender === 'male') {
    pipeline.honorific = 'Mr';
  } else if (pipeline.gender == 'female') {
    pipeline.honorific = 'Ms';
  } else {
    pipeline.honorific = '';
  }
}

// declare a pipeline
var pipeline = {
  name: 'John Doe',
  gender: 'male',
  email: 'john.doe@example.com',
  address: '123 Sycamore Street'
}

// call the greet function, passing in the pipeline
// => Hello Mr JOHN DOE
greet(pipeline);

console.log("greeting = " + pipeline.greeting);
console.log("pipeline = " + inspect(pipeline));