Chilkat Online Tools

StartReplicationTask delphiAx Example

AWS Database Migration Service

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
CdcStartPosition: WideString;
CdcStopPosition: WideString;
LastFailureMessage: WideString;
MigrationType: WideString;
RecoveryCheckpoint: WideString;
ReplicationInstanceArn: WideString;
ReplicationTaskArn: WideString;
ReplicationTaskCreationDate: Integer;
ReplicationTaskIdentifier: WideString;
ReplicationTaskSettings: WideString;
ReplicationTaskStartDate: Integer;
ElapsedTimeMillis: Integer;
FreshStartDate: Integer;
FullLoadFinishDate: Integer;
FullLoadProgressPercent: Integer;
FullLoadStartDate: Integer;
StartDate: Integer;
StopDate: Integer;
TablesErrored: Integer;
TablesLoaded: Integer;
TablesLoading: Integer;
TablesQueued: Integer;
SourceEndpointArn: WideString;
Status: WideString;
StopReason: WideString;
TableMappings: WideString;
TargetEndpointArn: WideString;
TargetReplicationInstanceArn: WideString;
TaskData: WideString;

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

rest := TChilkatRest.Create(Self);

authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := 'AWS_SECRET_KEY';

// Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
authAws.Region := 'us-west-2';
authAws.ServiceName := 'dms';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://dms.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('dms.us-west-2.amazonaws.com',443,1,1);
if (success <> 1) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(rest.ConnectFailReason));
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

// The following code creates the JSON request body.
// The JSON created by this code is shown below.

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

json := TChilkatJsonObject.Create(Self);
json.UpdateString('CdcStartPosition','string');
json.UpdateInt('CdcStartTime',123);
json.UpdateString('CdcStopPosition','string');
json.UpdateString('ReplicationTaskArn','string');
json.UpdateString('StartReplicationTaskType','string');

// The JSON request body created by the above code:

// {
//   "CdcStartPosition": "string",
//   "CdcStartTime": number,
//   "CdcStopPosition": "string",
//   "ReplicationTaskArn": "string",
//   "StartReplicationTaskType": "string"
// }

rest.AddHeader('Content-Type','application/x-amz-json-1.1');
rest.AddHeader('X-Amz-Target','AmazonDMSv20160101.StartReplicationTask');

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/',sbRequestBody.ControlInterface,sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
respStatusCode := rest.ResponseStatusCode;
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(sbResponseBody.GetAsString());
    Exit;
  end;

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);

// The following code parses the JSON response.
// A sample JSON response is shown below the sample code.

// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

CdcStartPosition := jResp.StringOf('ReplicationTask.CdcStartPosition');
CdcStopPosition := jResp.StringOf('ReplicationTask.CdcStopPosition');
LastFailureMessage := jResp.StringOf('ReplicationTask.LastFailureMessage');
MigrationType := jResp.StringOf('ReplicationTask.MigrationType');
RecoveryCheckpoint := jResp.StringOf('ReplicationTask.RecoveryCheckpoint');
ReplicationInstanceArn := jResp.StringOf('ReplicationTask.ReplicationInstanceArn');
ReplicationTaskArn := jResp.StringOf('ReplicationTask.ReplicationTaskArn');
ReplicationTaskCreationDate := jResp.IntOf('ReplicationTask.ReplicationTaskCreationDate');
ReplicationTaskIdentifier := jResp.StringOf('ReplicationTask.ReplicationTaskIdentifier');
ReplicationTaskSettings := jResp.StringOf('ReplicationTask.ReplicationTaskSettings');
ReplicationTaskStartDate := jResp.IntOf('ReplicationTask.ReplicationTaskStartDate');
ElapsedTimeMillis := jResp.IntOf('ReplicationTask.ReplicationTaskStats.ElapsedTimeMillis');
FreshStartDate := jResp.IntOf('ReplicationTask.ReplicationTaskStats.FreshStartDate');
FullLoadFinishDate := jResp.IntOf('ReplicationTask.ReplicationTaskStats.FullLoadFinishDate');
FullLoadProgressPercent := jResp.IntOf('ReplicationTask.ReplicationTaskStats.FullLoadProgressPercent');
FullLoadStartDate := jResp.IntOf('ReplicationTask.ReplicationTaskStats.FullLoadStartDate');
StartDate := jResp.IntOf('ReplicationTask.ReplicationTaskStats.StartDate');
StopDate := jResp.IntOf('ReplicationTask.ReplicationTaskStats.StopDate');
TablesErrored := jResp.IntOf('ReplicationTask.ReplicationTaskStats.TablesErrored');
TablesLoaded := jResp.IntOf('ReplicationTask.ReplicationTaskStats.TablesLoaded');
TablesLoading := jResp.IntOf('ReplicationTask.ReplicationTaskStats.TablesLoading');
TablesQueued := jResp.IntOf('ReplicationTask.ReplicationTaskStats.TablesQueued');
SourceEndpointArn := jResp.StringOf('ReplicationTask.SourceEndpointArn');
Status := jResp.StringOf('ReplicationTask.Status');
StopReason := jResp.StringOf('ReplicationTask.StopReason');
TableMappings := jResp.StringOf('ReplicationTask.TableMappings');
TargetEndpointArn := jResp.StringOf('ReplicationTask.TargetEndpointArn');
TargetReplicationInstanceArn := jResp.StringOf('ReplicationTask.TargetReplicationInstanceArn');
TaskData := jResp.StringOf('ReplicationTask.TaskData');

// A sample JSON response body parsed by the above code:

// {
//   "ReplicationTask": {
//     "CdcStartPosition": "string",
//     "CdcStopPosition": "string",
//     "LastFailureMessage": "string",
//     "MigrationType": "string",
//     "RecoveryCheckpoint": "string",
//     "ReplicationInstanceArn": "string",
//     "ReplicationTaskArn": "string",
//     "ReplicationTaskCreationDate": number,
//     "ReplicationTaskIdentifier": "string",
//     "ReplicationTaskSettings": "string",
//     "ReplicationTaskStartDate": number,
//     "ReplicationTaskStats": {
//       "ElapsedTimeMillis": number,
//       "FreshStartDate": number,
//       "FullLoadFinishDate": number,
//       "FullLoadProgressPercent": number,
//       "FullLoadStartDate": number,
//       "StartDate": number,
//       "StopDate": number,
//       "TablesErrored": number,
//       "TablesLoaded": number,
//       "TablesLoading": number,
//       "TablesQueued": number
//     },
//     "SourceEndpointArn": "string",
//     "Status": "string",
//     "StopReason": "string",
//     "TableMappings": "string",
//     "TargetEndpointArn": "string",
//     "TargetReplicationInstanceArn": "string",
//     "TaskData": "string"
//   }
// }