DescribeDatastore DataFlex Example
Use ChilkatAx-9.5.0-win32.pkg
Procedure Test
Handle hoRest
Boolean iSuccess
Variant vAuthAws
Handle hoAuthAws
Variant vSbResponseBody
Handle hoSbResponseBody
Integer iRespStatusCode
Handle hoJResp
String sAttributeName
String sTimestampPartitionAttributeName
String sTimestampFormat
String sName
String sV_type
String sArn
Integer iCreationTime
Integer iLastMessageArrivalTime
Integer iLastUpdateTime
String sName
Integer iNumberOfDays
Integer iUnlimited
String sStatus
String sBucket
String sKeyPrefix
String sRoleArn
String sCustomerManagedS3StorageBucket
String sCustomerManagedS3StorageKeyPrefix
Integer iEstimatedOn
Integer iEstimatedSizeInBytes
Integer i
Integer iCount_i
String sTemp1
Integer iTemp1
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
Get Create (RefClass(cComChilkatRest)) To hoRest
If (Not(IsComObjectCreated(hoRest))) Begin
Send CreateComObject of hoRest
End
Get Create (RefClass(cComChilkatAuthAws)) To hoAuthAws
If (Not(IsComObjectCreated(hoAuthAws))) Begin
Send CreateComObject of hoAuthAws
End
Set ComAccessKey Of hoAuthAws To "AWS_ACCESS_KEY"
Set ComSecretKey Of hoAuthAws To "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.)
Set ComRegion Of hoAuthAws To "us-west-2"
Set ComServiceName Of hoAuthAws To "iotanalytics"
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
Get pvComObject of hoAuthAws to vAuthAws
Get ComSetAuthAws Of hoRest vAuthAws To iSuccess
// URL: https://iotanalytics.us-west-2.amazonaws.com/
// Use the same region as specified above.
Get ComConnect Of hoRest "iotanalytics.us-west-2.amazonaws.com" 443 True True To iSuccess
If (iSuccess <> True) Begin
Get ComConnectFailReason Of hoRest To iTemp1
Showln "ConnectFailReason: " iTemp1
Get ComLastErrorText Of hoRest To sTemp1
Showln sTemp1
Procedure_Return
End
Get ComAddHeader Of hoRest "Content-Type" "application/x-amz-json-1.1" To iSuccess
Get ComAddHeader Of hoRest "X-Amz-Target" "DescribeDatastore" To iSuccess
Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponseBody
If (Not(IsComObjectCreated(hoSbResponseBody))) Begin
Send CreateComObject of hoSbResponseBody
End
Get pvComObject of hoSbResponseBody to vSbResponseBody
Get ComFullRequestNoBodySb Of hoRest "GET" "/datastores/{datastoreName}" vSbResponseBody To iSuccess
If (iSuccess <> True) Begin
Get ComLastErrorText Of hoRest To sTemp1
Showln sTemp1
Procedure_Return
End
Get ComResponseStatusCode Of hoRest To iRespStatusCode
Showln "response status code = " iRespStatusCode
If (iRespStatusCode <> 200) Begin
Showln "Response Header:"
Get ComResponseHeader Of hoRest To sTemp1
Showln sTemp1
Showln "Response Body:"
Get ComGetAsString Of hoSbResponseBody To sTemp1
Showln sTemp1
Procedure_Return
End
Get Create (RefClass(cComChilkatJsonObject)) To hoJResp
If (Not(IsComObjectCreated(hoJResp))) Begin
Send CreateComObject of hoJResp
End
Get pvComObject of hoSbResponseBody to vSbResponseBody
Get ComLoadSb Of hoJResp vSbResponseBody To iSuccess
// 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
Get ComStringOf Of hoJResp "datastore.arn" To sArn
Get ComIntOf Of hoJResp "datastore.creationTime" To iCreationTime
Get ComIntOf Of hoJResp "datastore.lastMessageArrivalTime" To iLastMessageArrivalTime
Get ComIntOf Of hoJResp "datastore.lastUpdateTime" To iLastUpdateTime
Get ComStringOf Of hoJResp "datastore.name" To sName
Get ComIntOf Of hoJResp "datastore.retentionPeriod.numberOfDays" To iNumberOfDays
Get ComIntOf Of hoJResp "datastore.retentionPeriod.unlimited" To iUnlimited
Get ComStringOf Of hoJResp "datastore.status" To sStatus
Get ComStringOf Of hoJResp "datastore.storage.customerManagedS3.bucket" To sBucket
Get ComStringOf Of hoJResp "datastore.storage.customerManagedS3.keyPrefix" To sKeyPrefix
Get ComStringOf Of hoJResp "datastore.storage.customerManagedS3.roleArn" To sRoleArn
Get ComStringOf Of hoJResp "datastore.storage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.bucket" To sCustomerManagedS3StorageBucket
Get ComStringOf Of hoJResp "datastore.storage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.keyPrefix" To sCustomerManagedS3StorageKeyPrefix
Get ComIntOf Of hoJResp "statistics.size.estimatedOn" To iEstimatedOn
Get ComIntOf Of hoJResp "statistics.size.estimatedSizeInBytes" To iEstimatedSizeInBytes
Move 0 To i
Get ComSizeOfArray Of hoJResp "datastore.datastorePartitions.partitions" To iCount_i
While (i < iCount_i)
Set ComI Of hoJResp To i
Get ComStringOf Of hoJResp "datastore.datastorePartitions.partitions[i].attributePartition.attributeName" To sAttributeName
Get ComStringOf Of hoJResp "datastore.datastorePartitions.partitions[i].timestampPartition.attributeName" To sTimestampPartitionAttributeName
Get ComStringOf Of hoJResp "datastore.datastorePartitions.partitions[i].timestampPartition.timestampFormat" To sTimestampFormat
Move (i + 1) To i
Loop
Move 0 To i
Get ComSizeOfArray Of hoJResp "datastore.fileFormatConfiguration.parquetConfiguration.schemaDefinition.columns" To iCount_i
While (i < iCount_i)
Set ComI Of hoJResp To i
Get ComStringOf Of hoJResp "datastore.fileFormatConfiguration.parquetConfiguration.schemaDefinition.columns[i].name" To sName
Get ComStringOf Of hoJResp "datastore.fileFormatConfiguration.parquetConfiguration.schemaDefinition.columns[i].type" To sV_type
Move (i + 1) To i
Loop
// A sample JSON response body parsed by the above code:
// {
// "datastore": {
// "arn": "string",
// "creationTime": number,
// "datastorePartitions": {
// "partitions": [
// {
// "attributePartition": {
// "attributeName": "string"
// },
// "timestampPartition": {
// "attributeName": "string",
// "timestampFormat": "string"
// }
// }
// ]
// },
// "fileFormatConfiguration": {
// "jsonConfiguration": {},
// "parquetConfiguration": {
// "schemaDefinition": {
// "columns": [
// {
// "name": "string",
// "type": "string"
// }
// ]
// }
// }
// },
// "lastMessageArrivalTime": number,
// "lastUpdateTime": number,
// "name": "string",
// "retentionPeriod": {
// "numberOfDays": number,
// "unlimited": boolean
// },
// "status": "string",
// "storage": {
// "customerManagedS3": {
// "bucket": "string",
// "keyPrefix": "string",
// "roleArn": "string"
// },
// "iotSiteWiseMultiLayerStorage": {
// "customerManagedS3Storage": {
// "bucket": "string",
// "keyPrefix": "string"
// }
// },
// "serviceManagedS3": {}
// }
// },
// "statistics": {
// "size": {
// "estimatedOn": number,
// "estimatedSizeInBytes": number
// }
// }
// }
End_Procedure
