listForecasts method
Returns a list of forecasts created using the CreateForecast operation. For each forecast, this operation returns a summary of its properties, including its Amazon Resource Name (ARN). To retrieve the complete set of properties, specify the ARN with the DescribeForecast operation. You can filter the list using an array of Filter objects.
May throw InvalidNextTokenException. May throw InvalidInputException.
Parameter filters
:
An array of filters. For each filter, you provide a condition and a match
statement. The condition is either IS
or IS_NOT
,
which specifies whether to include or exclude the forecasts that match the
statement from the list, respectively. The match statement consists of a
key and a value.
Filter properties
-
Condition
- The condition to apply. Valid values areIS
andIS_NOT
. To include the forecasts that match the statement, specifyIS
. To exclude matching forecasts, specifyIS_NOT
. -
Key
- The name of the parameter to filter on. Valid values areDatasetGroupArn
,PredictorArn
, andStatus
. -
Value
- The value to match.
"Filters":
{ "Condition": "IS_NOT", "Key": "Status", "Value":
"ACTIVE" }
Parameter maxResults
:
The number of items to return in the response.
Parameter nextToken
:
If the result of the previous request was truncated, the response includes
a NextToken
. To retrieve the next set of results, use the
token in the next request. Tokens expire after 24 hours.
Implementation
Future<ListForecastsResponse> listForecasts({
List<Filter>? filters,
int? maxResults,
String? nextToken,
}) async {
_s.validateNumRange(
'maxResults',
maxResults,
1,
100,
);
_s.validateStringLength(
'nextToken',
nextToken,
1,
3000,
);
final headers = <String, String>{
'Content-Type': 'application/x-amz-json-1.1',
'X-Amz-Target': 'AmazonForecast.ListForecasts'
};
final jsonResponse = await _protocol.send(
method: 'POST',
requestUri: '/',
exceptionFnMap: _exceptionFns,
// TODO queryParams
headers: headers,
payload: {
if (filters != null) 'Filters': filters,
if (maxResults != null) 'MaxResults': maxResults,
if (nextToken != null) 'NextToken': nextToken,
},
);
return ListForecastsResponse.fromJson(jsonResponse.body);
}