internal ListCollectionsResponse ListCollections(ListCollectionsRequest request)
{
var marshaller = new ListCollectionsRequestMarshaller();
var unmarshaller = ListCollectionsResponseUnmarshaller.Instance;
return(Invoke <ListCollectionsRequest, ListCollectionsResponse>(request, marshaller, unmarshaller));
}
private bool CollectionExists()
{
ListCollectionsRequest request = new ListCollectionsRequest();
ListCollectionsResponse response = Client.ListCollections(request);
return(response.CollectionIds.Contains(CollectionName));
}
// snippet-start:[Rekognition.dotnetv3.ListCollectionsExample]
public static async Task Main()
{
var rekognitionClient = new AmazonRekognitionClient();
Console.WriteLine("Listing collections");
int limit = 10;
var listCollectionsRequest = new ListCollectionsRequest
{
MaxResults = limit,
};
var listCollectionsResponse = new ListCollectionsResponse();
do
{
if (listCollectionsResponse is not null)
{
listCollectionsRequest.NextToken = listCollectionsResponse.NextToken;
}
listCollectionsResponse = await rekognitionClient.ListCollectionsAsync(listCollectionsRequest);
listCollectionsResponse.CollectionIds.ForEach(id =>
{
Console.WriteLine(id);
});
}while (listCollectionsResponse.NextToken is not null);
}
public static void Example()
{
AmazonRekognitionClient rekognitionClient = new AmazonRekognitionClient();
Console.WriteLine("Listing collections");
int limit = 10;
ListCollectionsResponse listCollectionsResponse = null;
String paginationToken = null;
do
{
if (listCollectionsResponse != null)
{
paginationToken = listCollectionsResponse.NextToken;
}
ListCollectionsRequest listCollectionsRequest = new ListCollectionsRequest()
{
MaxResults = limit,
NextToken = paginationToken
};
listCollectionsResponse = rekognitionClient.ListCollections(listCollectionsRequest);
foreach (String resultId in listCollectionsResponse.CollectionIds)
{
Console.WriteLine(resultId);
}
} while (listCollectionsResponse != null && listCollectionsResponse.NextToken != null);
}
public override void Invoke(AWSCredentials creds, RegionEndpoint region, int maxItems)
{
AmazonRekognitionConfig config = new AmazonRekognitionConfig();
config.RegionEndpoint = region;
ConfigureClient(config);
AmazonRekognitionClient client = new AmazonRekognitionClient(creds, config);
ListCollectionsResponse resp = new ListCollectionsResponse();
do
{
ListCollectionsRequest req = new ListCollectionsRequest
{
NextToken = resp.NextToken
,
MaxResults = maxItems
};
resp = client.ListCollections(req);
CheckError(resp.HttpStatusCode, "200");
foreach (var obj in resp.CollectionIds)
{
AddObject(obj);
}
}while (!string.IsNullOrEmpty(resp.NextToken));
}
public static string Collection(string collectionId)
{
try
{
var rekognitionClient = new AmazonRekognitionClient(RegionEndpoint.APSouth1);
Console.WriteLine("Creating collection: " + collectionId);
var createCollectionRequest = new CreateCollectionRequest()
{
CollectionId = collectionId
};
int limit = 10;
ListCollectionsResponse listCollectionsResponse = null;
String paginationToken = null;
if (listCollectionsResponse != null)
{
paginationToken = listCollectionsResponse.NextToken;
}
ListCollectionsRequest listCollectionsRequest = new ListCollectionsRequest()
{
MaxResults = limit,
NextToken = paginationToken
};
listCollectionsResponse = rekognitionClient.ListCollectionsAsync(listCollectionsRequest).Result;
foreach (var resultId in listCollectionsResponse.CollectionIds)
{
if (resultId == collectionId)
{
return("OK");
}
else
{
var createCollectionResponse =
rekognitionClient.CreateCollectionAsync(createCollectionRequest);
Console.WriteLine("CollectionArn : " + createCollectionResponse.Result.CollectionArn);
if (createCollectionResponse.Result.StatusCode == 200)
{
return("OK");
}
}
}
}
catch (Exception ex)
{
Console.WriteLine("Exception occurred" + ex);
return("");
}
return("");
}
/// <summary>
/// Initiates the asynchronous execution of the ListCollections operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the ListCollections operation.</param>
/// <param name="cancellationToken">
/// A cancellation token that can be used by other objects or threads to receive notice of cancellation.
/// </param>
/// <returns>The task object representing the asynchronous operation.</returns>
public Task <ListCollectionsResponse> ListCollectionsAsync(ListCollectionsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new ListCollectionsRequestMarshaller();
var unmarshaller = ListCollectionsResponseUnmarshaller.Instance;
return(InvokeAsync <ListCollectionsRequest, ListCollectionsResponse>(request, marshaller,
unmarshaller, cancellationToken));
}
public static List <String> GetFaceCollectionList()
{
List <String> _faceCollectionList = new List <string>();
_faceCollectionList.Clear();
using (rekognitionClient = new AmazonRekognitionClient(collectionRegion))
{
ListingCollections();
}
void ListingCollections()
{
try
{
int limit = 10;
ListCollectionsResponse listCollectionsResponse = null;
String paginationToken = null;
do
{
if (listCollectionsResponse != null)
{
paginationToken = listCollectionsResponse.NextToken;
}
ListCollectionsRequest listCollectionsRequest = new ListCollectionsRequest()
{
MaxResults = limit,
NextToken = paginationToken
};
listCollectionsResponse = rekognitionClient.ListCollections(listCollectionsRequest);
foreach (String resultId in listCollectionsResponse.CollectionIds)
{
_faceCollectionList.Add(resultId);
}
} while (listCollectionsResponse != null && listCollectionsResponse.NextToken != null);
}
catch (AmazonRekognitionException e)
{
Console.WriteLine("AmazonRekognitionException: " + e);
}
catch (Exception e)
{
Console.WriteLine("Error: " + e);
}
}
return(_faceCollectionList);
}
private async Task <List <string> > GetCollections(AmazonRekognitionClient rekognitionClient)
{
ListCollectionsResponse listCollectionsResponse = null;
ListCollectionsRequest listCollectionsRequest = new ListCollectionsRequest()
{
//MaxResults = limit, //declare a limit
//NextToken = paginationToken
};
listCollectionsResponse = await rekognitionClient.ListCollectionsAsync(listCollectionsRequest);
return(listCollectionsResponse.CollectionIds);
}
