---
swagger: "2.0"
info:
  x-ibm-name: "gatewayscriptpromises"
  title: "GatewayScriptPromises"
  version: "1.0.0"
schemes:
- "https"
host: "tdw5dp.apicww.cloud"
basePath: "/gatewayscriptpromises"
produces:
- "application/json"
securityDefinitions: {}
security: []
x-ibm-configuration:
  testable: true
  enforced: true
  cors:
    enabled: true
  assembly:
    execute:
    - set-variable:
        title: "set-variable"
        actions:
        - set: "promisedservice"
          value: "http://domain.example.com:3003"
        description: ""
    - gatewayscript:
        title: "gatewayscript"
        source: "\nconst apim = require('./apim.custom.js'),\n    urlopen = require('urlopen'),\n\
          \    \n    service = apim.getvariable('promisedservice');\n\n(() => {\n\n\
          \    var startTime=new Date();\n\n    /**\n     *  @method httpGetRequest\n\
          \     *  Make a GET request to a URL\n     *  @param url the URL to get\n\
          \     *  @param resolve callback called when the request succeeds\n    \
          \ *  @param reject callback called when the request fails\n     */\n   \
          \ function httpGetRequest(url, resolve, reject) {\n\n        var options\
          \ = {\n                target: url,\n                method: 'GET'\n   \
          \         };\n\n        urlopen.open(options, (error, response) => {\n\n\
          \            if(error) {\n                reject(error);\n             \
          \   return;\n            }\n\n            response.readAsJSON((error, response)\
          \ => {\n\n                if(error) {\n                    reject(error);\n\
          \                    return;\n                }\n\n                resolve(response);\n\
          \n            });\n\n        });\n\n    }\n\n    // start the \"a\" request,\
          \ which will respond in 200ms\n    var promiseA = new Promise((resolve,\
          \ reject) => {\n        httpGetRequest(service+'/a', resolve, reject);\n\
          \    });\n\n    // start the \"b\" request, which will respond in 400ms\n\
          \    var promiseB = new Promise((resolve, reject) => {\n        httpGetRequest(service+'/b',\
          \ resolve, reject);\n    });\n\n    // when both the \"a\" and the \"b\"\
          \ requests are complete, build the\n    // output.\n    Promise.all([promiseA,\
          \ promiseB]).then(values => {\n\n        // promiseA gives us {\"a\":\"\
          received a\"}\n        // promiseB gives us {\"b\":\"received b\"}\n\n \
          \       // values is [{\"a\":\"received a\"},{\"b\":\"received b\"}]\n\n\
          \        var endTime = new Date(),\n            result = {time: endTime.getTime()\
          \ - startTime.getTime()};\n\n        // the time above should be very close\
          \ to 400ms, which is the time \n        // it takes for the slowest service\
          \ to respond\n\n        // let's combine the values into a single object\n\
          \n        values.unshift(result);\n        Object.assign.apply(null, values);\n\
          \n        // and output the combined object\n\n        apim.output('application/json');\n\
          \        session.output.write(result);\n\n        // writes out {\"a\":\"\
          received a\",\"b\":\"received b\",\"time\":4xx}\n\n    }).catch(reason =>\
          \ {\n\n        // if any of the promises fail, this will run.\n\n      \
          \  apim.output('application/json');\n        session.output.write({failure:reason});\n\
          \n    });\n\n})();"
  gateway: "datapower-gateway"
  phase: "realized"
paths:
  /aa:
    get:
      responses:
        200:
          description: "200 OK"
definitions: {}
tags: []