internal ListFacesResponse ListFaces(ListFacesRequest request)
{
var marshaller = new ListFacesRequestMarshaller();
var unmarshaller = ListFacesResponseUnmarshaller.Instance;
return(Invoke <ListFacesRequest, ListFacesResponse>(request, marshaller, unmarshaller));
}
public static void Example()
{
String collectionId = "MyCollection";
AmazonRekognitionClient rekognitionClient = new AmazonRekognitionClient();
ListFacesResponse listFacesResponse = null;
Console.WriteLine("Faces in collection " + collectionId);
String paginationToken = null;
do
{
if (listFacesResponse != null)
{
paginationToken = listFacesResponse.NextToken;
}
ListFacesRequest listFacesRequest = new ListFacesRequest()
{
CollectionId = collectionId,
MaxResults = 1,
NextToken = paginationToken
};
listFacesResponse = rekognitionClient.ListFaces(listFacesRequest);
foreach (Face face in listFacesResponse.Faces)
{
Console.WriteLine(face.FaceId);
}
} while (listFacesResponse != null && !String.IsNullOrEmpty(listFacesResponse.NextToken));
}
public List <string> GetAllFacesInCollection(string collectionId)
{
AmazonRekognitionClient rekognitionClient = AmazonClient.GetInstance();
ListFacesResponse listFacesResponse = null;
List <string> faces = new List <string>();
string paginationToken = null;
do
{
if (listFacesResponse != null)
{
paginationToken = listFacesResponse.NextToken;
}
ListFacesRequest listFacesRequest = new ListFacesRequest()
{
CollectionId = collectionId,
MaxResults = 1,
NextToken = paginationToken
};
listFacesResponse = rekognitionClient.ListFaces(listFacesRequest);
foreach (Amazon.Rekognition.Model.Face face in listFacesResponse.Faces)
{
faces.Add(face.FaceId);
}
}while (listFacesResponse != null && !String.IsNullOrEmpty(listFacesResponse.NextToken));
return(faces);
}
private static void ListFaces()
{
ListFacesResponse response = null;
Console.WriteLine("Faces in collection " + collectionId);
String paginationToken = null;
do
{
if (response != null)
{
paginationToken = response.NextToken;
}
ListFacesRequest request = new ListFacesRequest()
{
CollectionId = collectionId,
MaxResults = 1,
NextToken = paginationToken
};
response = rekognitionClient.ListFacesAsync(request).Result;
foreach (Face face in response.Faces)
{
Console.WriteLine(face.FaceId);
}
} while (response != null && !String.IsNullOrEmpty(response.NextToken));
}
// snippet-start:[Rekognition.dotnetv3.ListFacesExample]
public static async Task Main()
{
string collectionId = "MyCollection2";
var rekognitionClient = new AmazonRekognitionClient();
var listFacesResponse = new ListFacesResponse();
Console.WriteLine($"Faces in collection {collectionId}");
var listFacesRequest = new ListFacesRequest
{
CollectionId = collectionId,
MaxResults = 1,
};
do
{
listFacesResponse = await rekognitionClient.ListFacesAsync(listFacesRequest);
listFacesResponse.Faces.ForEach(face =>
{
Console.WriteLine(face.FaceId);
});
listFacesRequest.NextToken = listFacesResponse.NextToken;
}while (!string.IsNullOrEmpty(listFacesResponse.NextToken));
}
/// <summary>
/// Initiates the asynchronous execution of the ListFaces operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the ListFaces 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 <ListFacesResponse> ListFacesAsync(ListFacesRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new ListFacesRequestMarshaller();
var unmarshaller = ListFacesResponseUnmarshaller.Instance;
return(InvokeAsync <ListFacesRequest, ListFacesResponse>(request, marshaller,
unmarshaller, cancellationToken));
}
public static Dictionary <string, string> GetFaceList(string _collectionId)
{
string collectionId = _collectionId;
Dictionary <string, string> _faceList = new Dictionary <string, string>();
_faceList.Clear();
using (rekognitionClient = new AmazonRekognitionClient(collectionRegion))
{
GettingFaceList();
}
void GettingFaceList()
{
try
{
ListFacesResponse listFacesResponse = null;
String paginationToken = null;
do
{
if (listFacesResponse != null)
{
paginationToken = listFacesResponse.NextToken;
}
ListFacesRequest listFacesRequest = new ListFacesRequest()
{
CollectionId = collectionId,
MaxResults = 1,
NextToken = paginationToken
};
listFacesResponse = rekognitionClient.ListFaces(listFacesRequest);
foreach (Face face in listFacesResponse.Faces)
{
_faceList[face.FaceId] = face.ExternalImageId;
}
} while (listFacesResponse != null && !String.IsNullOrEmpty(listFacesResponse.NextToken));
}
catch (AmazonRekognitionException e)
{
Console.WriteLine("AmazonRekognitionException: " + e);
}
catch (Exception e)
{
Console.WriteLine("Error: " + e);
}
}
return(_faceList);
}
