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(PowerBuilder) Azure Service Bus - Send Batch of Messages to Topic or Queue

See more Azure Service Bus Examples

Shows how to send a batch of messages to a service bus queue or topic.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Rest
integer li_BAutoReconnect
integer li_Success
oleobject loo_SbToken
string ls_TopicOrQueueName
oleobject loo_Json
oleobject loo_JsonA
oleobject loo_SbRequestBody
oleobject loo_SbPath
oleobject loo_SbResponseBody

// Note: Requires Chilkat v9.5.0.65 or greater.

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Make the initial connection.
// A single REST object, once connected, can be used for many Azure Service Bus REST API calls.
// The auto-reconnect indicates that if the already-established HTTPS connection is closed,
// then it will be automatically re-established as needed.
loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat_9_5_0.Rest")
if li_rc < 0 then
    destroy loo_Rest
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("<yournamespace>.servicebus.windows.net",443,1,li_BAutoReconnect)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    return
end if

// ----------------------------------------------------------------------------------------------
// The code above this comment could be placed inside a function/subroutine within the application
// because the connection does not need to be made for every request.  Once the connection is made
// the app may send many requests..
// ----------------------------------------------------------------------------------------------

// Let's load a previously computed SAS token and use it.
// See Azure Shared Access Signature for an example to genenerate an Azure SAS token.
loo_SbToken = create oleobject
li_rc = loo_SbToken.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")

loo_SbToken.LoadFile("qa_data/tokens/serviceBusSas.txt","utf-8")

// Tell the REST object to use the Azure Shared Access Signature for authorization.
loo_SbToken.Prepend("SharedAccessSignature ")
loo_Rest.AddHeader("Authorization",loo_SbToken.GetAsString())

// ----------------------------------------------------------------------------------------------

// Send to a topic (or queue) named "gilaMonster";
ls_TopicOrQueueName = "gilaMonster"

// The HTTP request body contains JSON that contains multiple messages.
loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat_9_5_0.JsonObject")

loo_Json.I = 0
loo_Json.UpdateString("messages[i].Body","This is the first message")
loo_Json.UpdateString("messages[i].BrokerProperties.Label","M1")
loo_Json.UpdateString("messages[i].BrokerProperties.TimeToLiveTimeSpan","0.00:00:40")

loo_Json.I = 1
loo_Json.UpdateString("messages[i].Body","This is the second message")
loo_Json.UpdateString("messages[i].BrokerProperties.Label","M2")
loo_Json.UpdateString("messages[i].UserProperties.Priority","Low")

loo_Json.I = 2
loo_Json.UpdateString("messages[i].Body","This is the third message")
loo_Json.UpdateString("messages[i].BrokerProperties.Label","M3")
loo_Json.UpdateString("messages[i].UserProperties.Priority","Medium")
loo_Json.UpdateString("messages[i].UserProperties.Customer","ABC")

loo_JsonA = loo_Json.ArrayOf("messages")
loo_JsonA.EmitCompact = 0
Write-Debug loo_JsonA.Emit()

// The following JSON array is produced by the above code:

// 	[
// 	  {
// 	    "Body": "This is the first message",
// 	    "BrokerProperties": {
// 	      "Label": "M1",
// 	      "TimeToLiveTimeSpan": "0.00:00:40"
// 	    }
// 	  },
// 	  {
// 	    "Body": "This is the second message",
// 	    "BrokerProperties": {
// 	      "Label": "M2"
// 	    },
// 	    "UserProperties": {
// 	      "Priority": "Low"
// 	    }
// 	  },
// 	  {
// 	    "Body": "This is the third message",
// 	    "BrokerProperties": {
// 	      "Label": "M3"
// 	    },
// 	    "UserProperties": {
// 	      "Priority": "Medium",
// 	      "Customer": "ABC"
// 	    }
// 	  }
// 	]

loo_SbRequestBody = create oleobject
li_rc = loo_SbRequestBody.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")

loo_JsonA.EmitCompact = 1
loo_JsonA.EmitSb(loo_SbRequestBody)
destroy loo_JsonA

// Build the path..
loo_SbPath = create oleobject
li_rc = loo_SbPath.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")

loo_SbPath.Append("/")
loo_SbPath.Append(ls_TopicOrQueueName)
loo_SbPath.Append("/messages")

// Add timeout and api-version query parameters.
loo_Rest.AddQueryParam("timeout","20")

// The Content-Type should be "application/vnd.microsoft.servicebus.json"
loo_Rest.AddHeader("Content-Type","application/vnd.microsoft.servicebus.json")

loo_SbResponseBody = create oleobject
li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")

li_Success = loo_Rest.FullRequestSb("POST",loo_SbPath.GetAsString(),loo_SbRequestBody,loo_SbResponseBody)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_SbToken
    destroy loo_Json
    destroy loo_SbRequestBody
    destroy loo_SbPath
    destroy loo_SbResponseBody
    return
end if

Write-Debug "Response Status Code = " + string(loo_Rest.ResponseStatusCode)

// Check for a success response.
if loo_Rest.ResponseStatusCode <> 201 then
    Write-Debug loo_Rest.LastRequestStartLine
    Write-Debug loo_Rest.LastRequestHeader
    Write-Debug loo_SbResponseBody.GetAsString()
    Write-Debug "Failed."
    destroy loo_Rest
    destroy loo_SbToken
    destroy loo_Json
    destroy loo_SbRequestBody
    destroy loo_SbPath
    destroy loo_SbResponseBody
    return
end if

// If successful, the 201 response will have no response body.

Write-Debug "Success."


destroy loo_Rest
destroy loo_SbToken
destroy loo_Json
destroy loo_SbRequestBody
destroy loo_SbPath
destroy loo_SbResponseBody

 

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