2016-05-23 70 views
0

我有factory,我想用Web Worker爲angularJs(lib from here網絡中使用工作者的角度服務

var appServices= angular.module('appServices', ['ngResource', 'ngWebworker']); 

appServices.factory('CurrentUserData', [ 
    'apiPath', '$resource', '$rootScope', 'Auth','Webworker', 
    function (apiPath, $resource, $rootScope, Auth, Webworker) { 
     var requests = $resource(apiPath + "/Requests", {}); 
     var pendingRequests = $resource(apiPath + "/RequestRecipient/Pending", {}); 

     var requestResources = []; 
     var pendingRequestResources = []; 

     var updateResources = function(resource, newResource) { 
      if (angular.isArray(resource)) { 
       resource.length = 0; 
       for (var i = 0; i < newResource.length; ++i) { 
        resource.push(newResource[i]); 
       } 
      } else { 
       for (var key in resource) { 
        delete resource[key]; 
       } 
       for (var key in newResource) { 
        resource[key] = newResource[key]; 
       } 
      } 
     }; 

     var fetchResources = function(){ 
      user = Auth.getCurrentUser(); 
      if(!user){ 
       return; 
      } 
      requests.query(function (requestResponse) { 
       updateResources(requestResources, requestResponse); 
      }); 
      pendingRequests.query(function (requestResponse) { 
       updateResources(pendingRequestResources, requestResponse); 
      }); 
     }; 


     fetchResources(); 
     setInterval(fetchResources, 120000); // Here I want to use Worker, which can Update requestResources and pendingRequestResources in "new thread" 

     return { 
      'requests': function() { 
       return requestResources; 
      }, 
      'pendingRequests': function() { 
       return pendingRequestResources; 
     } 
} 

我試圖用網絡工作者在接下來的方式:

fetchResources();//init arrays 

    if (window.Worker) { // Check if Browser supports the Worker api. 
     var myWorker = Webworker.create(setInterval); 
     myWorker.run(fetchResources, 120000).then(function(result) { 
      console.log("done"); 
     }); 
    } else { 

     setInterval(fetchResources, 120000); 
    } 

上啓動我的陣列然後在網絡工作者更新他們每120000毫秒,但我得到錯誤:

angular.js:11655 Error: Failed to execute 'postMessage' on 'Worker': An object could not be cloned.

所以我認爲這是我的custon服務的問題,我使用的是函數,它傳遞給了網絡工作者。

+0

問題是您傳遞的是函數而不是數據。作爲Web工作者的'setInterval'沒有任何意義,它應該在worker中調用。 – zeroflagL

+0

調用'postMessage'在哪裏?在你發佈的所有代碼中,我沒有看到任何'postMessage'方法... – Wilt

+0

@Wilt,請檢查我使用的庫的「文檔」http://mattslocum.github.io/ng-webworker/我想我做了文檔中描述的所有內容。 – demo

回答

0

你在postMessage中傳遞的參數是無效的 - 最可能傳遞一個函數?工作人員完全處於單獨的執行範圍內,不能將其傳遞給DOM,局部變量,範圍等的任何引用。