private async Task<DatasetUpdates> PopulateListUpdatesAsync(string datasetName, long lastSyncCount, List<Record> records, string nextToken, CancellationToken cancellationToken)
{
ListRecordsRequest request = new ListRecordsRequest();
request.IdentityPoolId = identityPoolId;
request.IdentityId = this.GetCurrentIdentityId();
request.DatasetName = datasetName;
request.LastSyncCount = lastSyncCount;
// mark it large enough to reduce # of requests
request.MaxResults = 1024;
request.NextToken = nextToken;
ListRecordsResponse listRecordsResponse = await client.ListRecordsAsync(request, cancellationToken).ConfigureAwait(false);
foreach (Amazon.CognitoSync.Model.Record remoteRecord in listRecordsResponse.Records)
{
records.Add(ModelToRecord(remoteRecord));
}
// update last evaluated key
nextToken = listRecordsResponse.NextToken;
if (nextToken != null)
await PopulateListUpdatesAsync(datasetName, lastSyncCount, records, nextToken, cancellationToken).ConfigureAwait(false);
DatasetUpdates updates = new DatasetUpdates(
datasetName,
records,
listRecordsResponse.DatasetSyncCount,
listRecordsResponse.SyncSessionToken,
listRecordsResponse.DatasetExists,
listRecordsResponse.DatasetDeletedAfterRequestedSyncCount,
listRecordsResponse.MergedDatasetNames
);
return updates;
}
public object Execute(ExecutorContext context)
{
var cmdletContext = context as CmdletContext;
// create request
var request = new Amazon.CognitoSync.Model.ListRecordsRequest();
if (cmdletContext.DatasetName != null)
{
request.DatasetName = cmdletContext.DatasetName;
}
if (cmdletContext.IdentityId != null)
{
request.IdentityId = cmdletContext.IdentityId;
}
if (cmdletContext.IdentityPoolId != null)
{
request.IdentityPoolId = cmdletContext.IdentityPoolId;
}
if (cmdletContext.LastSyncCount != null)
{
request.LastSyncCount = cmdletContext.LastSyncCount.Value;
}
if (cmdletContext.MaxResult != null)
{
request.MaxResults = AutoIterationHelpers.ConvertEmitLimitToServiceTypeInt32(cmdletContext.MaxResult.Value);
}
if (cmdletContext.NextToken != null)
{
request.NextToken = cmdletContext.NextToken;
}
if (cmdletContext.SyncSessionToken != null)
{
request.SyncSessionToken = cmdletContext.SyncSessionToken;
}
CmdletOutput output;
// issue call
var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
try
{
var response = CallAWSServiceOperation(client, request);
object pipelineOutput = null;
pipelineOutput = cmdletContext.Select(response, this);
output = new CmdletOutput
{
PipelineOutput = pipelineOutput,
ServiceResponse = response
};
}
catch (Exception e)
{
output = new CmdletOutput {
ErrorResponse = e
};
}
return(output);
}
/// <summary>
/// Initiates the asynchronous execution of the ListRecords operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the ListRecords operation on AmazonCognitoSyncClient.</param>
/// <param name="callback">An Action delegate that is invoked when the operation completes.</param>
/// <param name="options">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback
/// procedure using the AsyncState property.</param>
public void ListRecordsAsync(ListRecordsRequest request, AmazonServiceCallback<ListRecordsRequest, ListRecordsResponse> callback, AsyncOptions options = null)
{
options = options == null?new AsyncOptions():options;
var marshaller = new ListRecordsRequestMarshaller();
var unmarshaller = ListRecordsResponseUnmarshaller.Instance;
Action<AmazonWebServiceRequest, AmazonWebServiceResponse, Exception, AsyncOptions> callbackHelper = null;
if(callback !=null )
callbackHelper = (AmazonWebServiceRequest req, AmazonWebServiceResponse res, Exception ex, AsyncOptions ao) => {
AmazonServiceResult<ListRecordsRequest,ListRecordsResponse> responseObject
= new AmazonServiceResult<ListRecordsRequest,ListRecordsResponse>((ListRecordsRequest)req, (ListRecordsResponse)res, ex , ao.State);
callback(responseObject);
};
BeginInvoke<ListRecordsRequest>(request, marshaller, unmarshaller, options, callbackHelper);
}
/// <summary>
/// Initiates the asynchronous execution of the ListRecords operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the ListRecords 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<ListRecordsResponse> ListRecordsAsync(ListRecordsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new ListRecordsRequestMarshaller();
var unmarshaller = ListRecordsResponseUnmarshaller.Instance;
return InvokeAsync<ListRecordsRequest,ListRecordsResponse>(request, marshaller,
unmarshaller, cancellationToken);
}
/// <summary>
/// Gets paginated records, optionally changed after a particular sync count for a dataset
/// and identity. With Amazon Cognito Sync, each identity has access only to its own data.
/// Thus, the credentials used to make this API call need to have access to the identity
/// data.
///
///
/// <para>
/// ListRecords can be called with temporary user credentials provided by Cognito Identity
/// or with developer credentials. You should use Cognito Identity credentials to make
/// this API call.
/// </para>
/// </summary>
/// <param name="request">Container for the necessary parameters to execute the ListRecords service method.</param>
///
/// <returns>The response from the ListRecords service method, as returned by CognitoSync.</returns>
/// <exception cref="Amazon.CognitoSync.Model.InternalErrorException">
/// Indicates an internal service error.
/// </exception>
/// <exception cref="Amazon.CognitoSync.Model.InvalidParameterException">
/// Thrown when a request parameter does not comply with the associated constraints.
/// </exception>
/// <exception cref="Amazon.CognitoSync.Model.NotAuthorizedException">
/// Thrown when a user is not authorized to access the requested resource.
/// </exception>
/// <exception cref="Amazon.CognitoSync.Model.TooManyRequestsException">
/// Thrown if the request is throttled.
/// </exception>
public ListRecordsResponse ListRecords(ListRecordsRequest request)
{
var marshaller = new ListRecordsRequestMarshaller();
var unmarshaller = ListRecordsResponseUnmarshaller.Instance;
return Invoke<ListRecordsRequest,ListRecordsResponse>(request, marshaller, unmarshaller);
}
internal ListRecordsResponse ListRecords(ListRecordsRequest request)
{
var task = ListRecordsAsync(request);
try
{
return task.Result;
}
catch(AggregateException e)
{
ExceptionDispatchInfo.Capture(e.InnerException).Throw();
return null;
}
}
/// <summary>
/// Initiates the asynchronous execution of the ListRecords operation.
/// <seealso cref="Amazon.CognitoSync.IAmazonCognitoSync.ListRecords"/>
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the ListRecords 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<ListRecordsResponse> ListRecordsAsync(ListRecordsRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new ListRecordsRequestMarshaller();
var unmarshaller = ListRecordsResponseUnmarshaller.GetInstance();
return Invoke<IRequest, ListRecordsRequest, ListRecordsResponse>(request, marshaller, unmarshaller, signer, cancellationToken);
}
/// <summary>
/// Initiates the asynchronous execution of the ListRecords operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the ListRecords operation on AmazonCognitoSyncClient.</param>
/// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param>
/// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback
/// procedure using the AsyncState property.</param>
///
/// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking EndListRecords
/// operation.</returns>
public IAsyncResult BeginListRecords(ListRecordsRequest request, AsyncCallback callback, object state)
{
var marshaller = new ListRecordsRequestMarshaller();
var unmarshaller = ListRecordsResponseUnmarshaller.Instance;
return BeginInvoke<ListRecordsRequest>(request, marshaller, unmarshaller,
callback, state);
}
private void PopulateListUpdatesAsync(string datasetName, long lastSyncCount, List<Record> records, string nextToken, AmazonCognitoSyncCallback<DatasetUpdates> callback, AsyncOptions options)
{
ListRecordsRequest request = new ListRecordsRequest();
request.IdentityPoolId = identityPoolId;
request.IdentityId = this.GetCurrentIdentityId();
request.DatasetName = datasetName;
request.LastSyncCount = lastSyncCount;
// mark it large enough to reduce # of requests
request.MaxResults = 1024;
request.NextToken = nextToken;
client.ListRecordsAsync(request, (responseObj) =>
{
ListRecordsResponse res = responseObj.Response;
Exception ex = responseObj.Exception;
object obj = responseObj.state;
if (ex != null)
{
InternalSDKUtils.AsyncExecutor(() => callback(new AmazonCognitoSyncResult<DatasetUpdates>(null, ex, obj)), options); ;
}
else
{
ListRecordsResponse listRecordsResponse = res;
foreach (Amazon.CognitoSync.Model.Record remoteRecord in listRecordsResponse.Records)
{
//builder.addRecord(modelToRecord(remoteRecord));
records.Add(this.ModelToRecord(remoteRecord));
}
if (listRecordsResponse.NextToken == null)
{
DatasetUpdates updates = new DatasetUpdates(
datasetName,
records,
listRecordsResponse.DatasetSyncCount,
listRecordsResponse.SyncSessionToken,
listRecordsResponse.DatasetExists,
listRecordsResponse.DatasetDeletedAfterRequestedSyncCount,
listRecordsResponse.MergedDatasetNames
);
InternalSDKUtils.AsyncExecutor(() => callback(new AmazonCognitoSyncResult<DatasetUpdates>(updates, ex, obj)), options);
return;
}
// update last evaluated key
nextToken = listRecordsResponse.NextToken;
// emulating the while loop
PopulateListUpdatesAsync(datasetName, lastSyncCount, records, nextToken, callback, new AsyncOptions() { ExecuteCallbackOnMainThread = false, State = obj });
}
},
options);
}
private Amazon.CognitoSync.Model.ListRecordsResponse CallAWSServiceOperation(IAmazonCognitoSync client, Amazon.CognitoSync.Model.ListRecordsRequest request)
{
Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Cognito Sync", "ListRecords");
try
{
#if DESKTOP
return(client.ListRecords(request));
#elif CORECLR
return(client.ListRecordsAsync(request).GetAwaiter().GetResult());
#else
#error "Unknown build edition"
#endif
}
catch (AmazonServiceException exc)
{
var webException = exc.InnerException as System.Net.WebException;
if (webException != null)
{
throw new Exception(Utils.Common.FormatNameResolutionFailureMessage(client.Config, webException.Message), webException);
}
throw;
}
}
public object Execute(ExecutorContext context)
{
var cmdletContext = context as CmdletContext;
#pragma warning disable CS0618, CS0612 //A class member was marked with the Obsolete attribute
var useParameterSelect = this.Select.StartsWith("^") || this.PassThru.IsPresent;
#pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
// create request and set iteration invariants
var request = new Amazon.CognitoSync.Model.ListRecordsRequest();
if (cmdletContext.DatasetName != null)
{
request.DatasetName = cmdletContext.DatasetName;
}
if (cmdletContext.IdentityId != null)
{
request.IdentityId = cmdletContext.IdentityId;
}
if (cmdletContext.IdentityPoolId != null)
{
request.IdentityPoolId = cmdletContext.IdentityPoolId;
}
if (cmdletContext.LastSyncCount != null)
{
request.LastSyncCount = cmdletContext.LastSyncCount.Value;
}
if (cmdletContext.MaxResult != null)
{
request.MaxResults = AutoIterationHelpers.ConvertEmitLimitToServiceTypeInt32(cmdletContext.MaxResult.Value);
}
if (cmdletContext.SyncSessionToken != null)
{
request.SyncSessionToken = cmdletContext.SyncSessionToken;
}
// Initialize loop variant and commence piping
var _nextToken = cmdletContext.NextToken;
var _userControllingPaging = this.NoAutoIteration.IsPresent || ParameterWasBound(nameof(this.NextToken));
var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
do
{
request.NextToken = _nextToken;
CmdletOutput output;
try
{
var response = CallAWSServiceOperation(client, request);
object pipelineOutput = null;
if (!useParameterSelect)
{
pipelineOutput = cmdletContext.Select(response, this);
}
output = new CmdletOutput
{
PipelineOutput = pipelineOutput,
ServiceResponse = response
};
_nextToken = response.NextToken;
}
catch (Exception e)
{
output = new CmdletOutput {
ErrorResponse = e
};
}
ProcessOutput(output);
} while (!_userControllingPaging && AutoIterationHelpers.HasValue(_nextToken));
if (useParameterSelect)
{
WriteObject(cmdletContext.Select(null, this));
}
return(null);
}
private ListRecordsRequest PrepareListRecordsRequest(string datasetName, long lastSyncCount)
{
ListRecordsRequest request = new ListRecordsRequest();
request.IdentityPoolId = identityPoolId;
request.IdentityId = this.GetCurrentIdentityId();
request.DatasetName = datasetName;
request.LastSyncCount = lastSyncCount;
// mark it large enough to reduce # of requests
request.MaxResults = 1024;
return request;
}
IAsyncResult invokeListRecords(ListRecordsRequest request, AsyncCallback callback, object state, bool synchronized)
{
var marshaller = new ListRecordsRequestMarshaller();
var unmarshaller = ListRecordsResponseUnmarshaller.Instance;
return Invoke(request, callback, state, synchronized, marshaller, unmarshaller, signer);
}
/// <summary>
/// Initiates the asynchronous execution of the ListRecords operation.
/// <seealso cref="Amazon.CognitoSync.IAmazonCognitoSync"/>
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the ListRecords operation on AmazonCognitoSyncClient.</param>
/// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param>
/// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback
/// procedure using the AsyncState property.</param>
///
/// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking EndListRecords
/// operation.</returns>
public IAsyncResult BeginListRecords(ListRecordsRequest request, AsyncCallback callback, object state)
{
return invokeListRecords(request, callback, state, false);
}
/// <summary>
/// Gets paginated records, optionally changed after a particular sync count for a dataset
/// and identity.
/// </summary>
/// <param name="request">Container for the necessary parameters to execute the ListRecords service method.</param>
///
/// <returns>The response from the ListRecords service method, as returned by CognitoSync.</returns>
/// <exception cref="InternalErrorException">
/// Indicates an internal service error.
/// </exception>
/// <exception cref="InvalidParameterException">
/// Thrown when a request parameter does not comply with the associated constraints.
/// </exception>
/// <exception cref="NotAuthorizedException">
/// Thrown when a user is not authorized to access the requested resource.
/// </exception>
/// <exception cref="TooManyRequestsException">
/// Thrown if the request is throttled.
/// </exception>
public ListRecordsResponse ListRecords(ListRecordsRequest request)
{
IAsyncResult asyncResult = invokeListRecords(request, null, null, true);
return EndListRecords(asyncResult);
}
