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  2. DataWeave (2.5)
  3. DataWeave リファレンス
  4. dw::Runtime

  5. 実行

実行

run(fileToExecute: String, fs: Dictionary<String>, readerInputs: Dictionary<ReaderInput> = {}, inputValues: Dictionary<Any> = {}, configuration: RuntimeExecutionConfiguration = {}): RunSuccess | ExecutionFailure

指定されたコンテキストで入力スクリプトを実行し、現在のランタイムでスクリプトを実行します。

実験的:​ この関数は実験的機能であり、DataWeave の将来のバージョンで変更または削除される場合があります。

パラメーター

名前 説明

fileToExecute

実行するファイルの名前。

fs

実行するファイルが含まれるファイルシステム。

readerInput

読み取って実行にバインドする入力。

inputValues

実行に直接バインドする入力。

configuration

ランタイム設定。

例

次の例では、さまざまな入力での ​run​ の動作を示します。

ソース

import * from dw::Runtime
var jsonValue = {
  value: '{"name": "Mariano"}' as Binary {encoding: "UTF-8"},
  encoding: "UTF-8",
  properties: {},
  mimeType: "application/json"
}

var jsonValue2 = {
  value: '{"name": "Mariano", "lastName": "achaval"}' as Binary {encoding: "UTF-8"},
  encoding: "UTF-8",
  properties: {},
  mimeType: "application/json"
}

var invalidJsonValue = {
  value: '{"name": "Mariano' as Binary {encoding: "UTF-8"},
  encoding: "UTF-8",
  properties: {},
  mimeType: "application/json"
}

var Utils = "fun sum(a,b) = a +b"
---
{
  "execute_ok" : run("main.dwl", {"main.dwl": "{a: 1}"}, {"payload": jsonValue }),
  "logs" : do {
    var execResult = run("main.dwl", {"main.dwl": "{a: log(1)}"}, {"payload": jsonValue })
    ---
    {
        m: execResult.logs.message,
        l: execResult.logs.level
    }
  },
  "grant" : run("main.dwl", {"main.dwl": "{a: readUrl(`http://google.com`)}"}, {"payload": jsonValue }, { securityManager: (grant, args) -> false }),
  "library" : run("main.dwl", {"main.dwl": "Utils::sum(1,2)", "/Utils.dwl": Utils }, {"payload": jsonValue }),
  "timeout" : run("main.dwl", {"main.dwl": "(1 to 1000000000000) map \$ + 1" }, {"payload": jsonValue }, {timeOut: 2}).success,
  "execFail" : run("main.dwl", {"main.dwl": "dw::Runtime::fail('My Bad')" }, {"payload": jsonValue }),
  "parseFail" : run("main.dwl", {"main.dwl": "(1 + " }, {"payload": jsonValue }),
  "writerFail" : run("main.dwl", {"main.dwl": "output application/xml --- 2" }, {"payload": jsonValue }),
  "readerFail" : run("main.dwl", {"main.dwl": "output application/xml --- payload" }, {"payload": invalidJsonValue }),
  "defaultOutput" : run("main.dwl", {"main.dwl": "payload" }, {"payload": jsonValue2}, {outputMimeType: "application/csv", writerProperties: {"separator": "|"}}),
}

出力

{
  "execute_ok": {
    "success": true,
    "value": "{\n  a: 1\n}",
    "mimeType": "application/dw",
    "encoding": "UTF-8",
    "logs": [

    ]
  },
  "logs": {
    "m": [
      "1"
    ],
    "l": [
      "INFO"
    ]
  },
  "grant": {
    "success": false,
    "message": "The given required permissions: `Resource` are not being granted for this execution.\nTrace:\n  at readUrl (Unknown)\n  at main::main (line: 1, column: 5)",
    "location": {
      "start": {
        "index": 0,
        "line": 0,
        "column": 0
      },
      "end": {
        "index": 0,
        "line": 0,
        "column": 0
      },
      "content": "Unknown location"
    },
    "stack": [
      "readUrl (anonymous:0:0)",
      "main (main:1:5)"
    ],
    "logs": [

    ]
  },
  "library": {
    "success": true,
    "value": "3",
    "mimeType": "application/dw",
    "encoding": "UTF-8",
    "logs": [

    ]
  },
  "timeout": false,
  "execFail": {
    "success": false,
    "message": "My Bad\nTrace:\n  at fail (Unknown)\n  at main::main (line: 1, column: 1)",
    "location": {
      "start": {
        "index": 0,
        "line": 0,
        "column": 0
      },
      "end": {
        "index": 0,
        "line": 0,
        "column": 0
      },
      "content": "Unknown location"
    },
    "stack": [
      "fail (anonymous:0:0)",
      "main (main:1:1)"
    ],
    "logs": [

    ]
  },
  "parseFail": {
    "success": false,
    "message": "Invalid input \"1 + \", expected parameter or parenEnd (line 1, column 2):\n\n\n1| (1 + \n    ^^^^\nLocation:\nmain (line: 1, column:2)",
    "location": {
      "start": {
        "index": 0,
        "line": 1,
        "column": 2
      },
      "end": {
        "index": 4,
        "line": 1,
        "column": 6
      },
      "content": "\n1| (1 + \n    ^^^^"
    },
    "logs": [

    ]
  },
  "writerFail": {
    "success": false,
    "message": "Trying to output non-whitespace characters outside main element tree (in prolog or epilog), while writing Xml at .",
    "location": {
      "content": ""
    },
    "stack": [

    ],
    "logs": [

    ]
  },
  "readerFail": {
    "success": false,
    "message": "Unexpected end-of-input at payload@[1:18] (line:column), expected '\"', while reading `payload` as Json.\n \n1| {\"name\": \"Mariano\n                    ^",
    "location": {
      "content": "\n1| {\"name\": \"Mariano\n                    ^"
    },
    "stack": [

    ],
    "logs": [

    ]
  },
  "defaultOutput": {
    "success": true,
    "value": "name|lastName\nMariano|achaval\n",
    "mimeType": "application/csv",
    "encoding": "UTF-8",
    "logs": [

    ]
  }
}