使用Google Calendar V3 API进行批处理

问题描述

我一直在使用新的Google Calendar V3 API，并且已经编写了所有类方法来处理添加，更新，检索等操作，但是我想知道是否有一种方法可以发送一批添加+更新+一次删除所有内容，而不是分别发送每个请求，并且可能超出传输/秒阈值.我知道.Batch方法在V3中已被贬值，我发现了另一种使用Web服务的方法，该方法将通知客户端更改已准备就绪，但是我正在尝试通过.NET Winform应用程序执行此操作，因此需要将其启动来自客户，而不依赖在线服务或PUSH方法.

I've been working with the new google Calendar V3 API and I've coded all my class methods to process Adds, Updates, retrievals etc but I was wondering if there is a way to send a batch of adds + updates + deletes all at once rather than sending each request separately and possible exceeding the trans/sec threshold. I understand the .Batch method has been depreciated in V3 and I found another methodology that uses web services that will notify a client that changes are ready but I'm trying to do this from a .NET Winform application so it needs to be something initiated from the client and not dependent upon online services or a PUSH methodology.

此致

克里

推荐答案

我使用BatchRequest对象使它起作用:

I got this to work using the BatchRequest object:

    Dim initializer As New BaseClientService.Initializer()
    initializer.HttpClientInitializer = credential
    initializer.ApplicationName = "My App"

    Dim service = New CalendarService(initializer)

    'fetch the calendars
    Dim list = service.CalendarList.List().Execute().Items()
    'get the calendar you want to work with
    Dim calendar = list.First(Function(x) x.Summary = "{Calendar Name}")

    Dim br As New Google.Apis.Requests.BatchRequest(service)

    'make 5 events
    For i = 1 To 5
        'create a new event
        Dim e As New [Event]

        'set the event properties
        e.Summary = "Test Event"
        e.Description = "Test Description"
        e.Location = "Test Location"
        ...
        'make a request to insert the event
        Dim ins As New InsertRequest(service, e, calendar.Id)
        'queue the request
        br.Queue(Of Dummy)(ins, AddressOf OnResponse)
    Next

    'execute the batch request
    Dim t = br.ExecuteAsync()
    'wait for completion
    t.Wait()

由于某种原因，如果不指定Queue方法的回调，就不能有延迟的请求，并且该方法需要一个泛型类型参数.因此，我定义了以下内容:

For some reason, you can't have a deferred request without specifying a callback to the Queue method, and that method requires a generic type parameter. So I defined the following:

Class Dummy
End Class

Sub OnResponse(content As Dummy, err As Google.Apis.Requests.RequestError, index As Integer, message As System.Net.Http.HttpResponseMessage)
End Sub

有了这个，批处理插件就可以正常工作了.

With this in place, the batch inserts worked fine.

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