DescribeDataset delphiAx Example
var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
actionName: WideString;
ExecutionRoleArn: WideString;
Image: WideString;
ComputeType: WideString;
VolumeSizeInGB: Integer;
SqlQuery: WideString;
j: Integer;
count_j: Integer;
DatasetName: WideString;
doubleValue: Integer;
name: WideString;
FileName: WideString;
stringValue: WideString;
OffsetSeconds: Integer;
TimeExpression: WideString;
InputName: WideString;
RoleArn: WideString;
Bucket: WideString;
DatabaseName: WideString;
TableName: WideString;
Key: WideString;
S3DestinationConfigurationRoleArn: WideString;
entryName: WideString;
TimeoutInMinutes: Integer;
ruleName: WideString;
datasetName: WideString;
Expression: WideString;
Arn: WideString;
CreationTime: Integer;
LastUpdateTime: Integer;
Name: WideString;
NumberOfDays: Integer;
Unlimited: Integer;
Status: WideString;
MaxVersions: Integer;
VersioningConfigurationUnlimited: Integer;
i: Integer;
count_i: Integer;
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 := 'iotanalytics';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);
// URL: https://iotanalytics.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('iotanalytics.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;
rest.AddHeader('Content-Type','application/x-amz-json-1.1');
rest.AddHeader('X-Amz-Target','DescribeDataset');
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/datasets/{datasetName}',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
Arn := jResp.StringOf('dataset.arn');
CreationTime := jResp.IntOf('dataset.creationTime');
LastUpdateTime := jResp.IntOf('dataset.lastUpdateTime');
Name := jResp.StringOf('dataset.name');
NumberOfDays := jResp.IntOf('dataset.retentionPeriod.numberOfDays');
Unlimited := jResp.IntOf('dataset.retentionPeriod.unlimited');
Status := jResp.StringOf('dataset.status');
MaxVersions := jResp.IntOf('dataset.versioningConfiguration.maxVersions');
VersioningConfigurationUnlimited := jResp.IntOf('dataset.versioningConfiguration.unlimited');
i := 0;
count_i := jResp.SizeOfArray('dataset.actions');
while i < count_i do
begin
jResp.I := i;
actionName := jResp.StringOf('dataset.actions[i].actionName');
ExecutionRoleArn := jResp.StringOf('dataset.actions[i].containerAction.executionRoleArn');
Image := jResp.StringOf('dataset.actions[i].containerAction.image');
ComputeType := jResp.StringOf('dataset.actions[i].containerAction.resourceConfiguration.computeType');
VolumeSizeInGB := jResp.IntOf('dataset.actions[i].containerAction.resourceConfiguration.volumeSizeInGB');
SqlQuery := jResp.StringOf('dataset.actions[i].queryAction.sqlQuery');
j := 0;
count_j := jResp.SizeOfArray('dataset.actions[i].containerAction.variables');
while j < count_j do
begin
jResp.J := j;
DatasetName := jResp.StringOf('dataset.actions[i].containerAction.variables[j].datasetContentVersionValue.datasetName');
doubleValue := jResp.IntOf('dataset.actions[i].containerAction.variables[j].doubleValue');
name := jResp.StringOf('dataset.actions[i].containerAction.variables[j].name');
FileName := jResp.StringOf('dataset.actions[i].containerAction.variables[j].outputFileUriValue.fileName');
stringValue := jResp.StringOf('dataset.actions[i].containerAction.variables[j].stringValue');
j := j + 1;
end;
j := 0;
count_j := jResp.SizeOfArray('dataset.actions[i].queryAction.filters');
while j < count_j do
begin
jResp.J := j;
OffsetSeconds := jResp.IntOf('dataset.actions[i].queryAction.filters[j].deltaTime.offsetSeconds');
TimeExpression := jResp.StringOf('dataset.actions[i].queryAction.filters[j].deltaTime.timeExpression');
j := j + 1;
end;
i := i + 1;
end;
i := 0;
count_i := jResp.SizeOfArray('dataset.contentDeliveryRules');
while i < count_i do
begin
jResp.I := i;
InputName := jResp.StringOf('dataset.contentDeliveryRules[i].destination.iotEventsDestinationConfiguration.inputName');
RoleArn := jResp.StringOf('dataset.contentDeliveryRules[i].destination.iotEventsDestinationConfiguration.roleArn');
Bucket := jResp.StringOf('dataset.contentDeliveryRules[i].destination.s3DestinationConfiguration.bucket');
DatabaseName := jResp.StringOf('dataset.contentDeliveryRules[i].destination.s3DestinationConfiguration.glueConfiguration.databaseName');
TableName := jResp.StringOf('dataset.contentDeliveryRules[i].destination.s3DestinationConfiguration.glueConfiguration.tableName');
Key := jResp.StringOf('dataset.contentDeliveryRules[i].destination.s3DestinationConfiguration.key');
S3DestinationConfigurationRoleArn := jResp.StringOf('dataset.contentDeliveryRules[i].destination.s3DestinationConfiguration.roleArn');
entryName := jResp.StringOf('dataset.contentDeliveryRules[i].entryName');
i := i + 1;
end;
i := 0;
count_i := jResp.SizeOfArray('dataset.lateDataRules');
while i < count_i do
begin
jResp.I := i;
TimeoutInMinutes := jResp.IntOf('dataset.lateDataRules[i].ruleConfiguration.deltaTimeSessionWindowConfiguration.timeoutInMinutes');
ruleName := jResp.StringOf('dataset.lateDataRules[i].ruleName');
i := i + 1;
end;
i := 0;
count_i := jResp.SizeOfArray('dataset.triggers');
while i < count_i do
begin
jResp.I := i;
datasetName := jResp.StringOf('dataset.triggers[i].dataset.name');
Expression := jResp.StringOf('dataset.triggers[i].schedule.expression');
i := i + 1;
end;
// A sample JSON response body parsed by the above code:
// {
// "dataset": {
// "actions": [
// {
// "actionName": "string",
// "containerAction": {
// "executionRoleArn": "string",
// "image": "string",
// "resourceConfiguration": {
// "computeType": "string",
// "volumeSizeInGB": number
// },
// "variables": [
// {
// "datasetContentVersionValue": {
// "datasetName": "string"
// },
// "doubleValue": number,
// "name": "string",
// "outputFileUriValue": {
// "fileName": "string"
// },
// "stringValue": "string"
// }
// ]
// },
// "queryAction": {
// "filters": [
// {
// "deltaTime": {
// "offsetSeconds": number,
// "timeExpression": "string"
// }
// }
// ],
// "sqlQuery": "string"
// }
// }
// ],
// "arn": "string",
// "contentDeliveryRules": [
// {
// "destination": {
// "iotEventsDestinationConfiguration": {
// "inputName": "string",
// "roleArn": "string"
// },
// "s3DestinationConfiguration": {
// "bucket": "string",
// "glueConfiguration": {
// "databaseName": "string",
// "tableName": "string"
// },
// "key": "string",
// "roleArn": "string"
// }
// },
// "entryName": "string"
// }
// ],
// "creationTime": number,
// "lastUpdateTime": number,
// "lateDataRules": [
// {
// "ruleConfiguration": {
// "deltaTimeSessionWindowConfiguration": {
// "timeoutInMinutes": number
// }
// },
// "ruleName": "string"
// }
// ],
// "name": "string",
// "retentionPeriod": {
// "numberOfDays": number,
// "unlimited": boolean
// },
// "status": "string",
// "triggers": [
// {
// "dataset": {
// "name": "string"
// },
// "schedule": {
// "expression": "string"
// }
// }
// ],
// "versioningConfiguration": {
// "maxVersions": number,
// "unlimited": boolean
// }
// }
// }
