classifyDocument method
Creates a new document classification request to analyze a single document in real-time, using a previously created and trained custom model and an endpoint.
May throw InvalidRequestException. May throw ResourceUnavailableException. May throw TextSizeLimitExceededException. May throw InternalServerException.
Parameter endpointArn
:
The Amazon Resource Number (ARN) of the endpoint.
Parameter text
:
The document text to be analyzed.
Implementation
Future<ClassifyDocumentResponse> classifyDocument({
required String endpointArn,
required String text,
}) async {
ArgumentError.checkNotNull(endpointArn, 'endpointArn');
_s.validateStringLength(
'endpointArn',
endpointArn,
0,
256,
isRequired: true,
);
ArgumentError.checkNotNull(text, 'text');
_s.validateStringLength(
'text',
text,
1,
1152921504606846976,
isRequired: true,
);
final headers = <String, String>{
'Content-Type': 'application/x-amz-json-1.1',
'X-Amz-Target': 'Comprehend_20171127.ClassifyDocument'
};
final jsonResponse = await _protocol.send(
method: 'POST',
requestUri: '/',
exceptionFnMap: _exceptionFns,
// TODO queryParams
headers: headers,
payload: {
'EndpointArn': endpointArn,
'Text': text,
},
);
return ClassifyDocumentResponse.fromJson(jsonResponse.body);
}