public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
ScanResponse response = new ScanResponse();
context.Read();
UnmarshallResult(context,response);
return response;
}
public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
ScanResponse response = new ScanResponse();
context.Read();
response.ScanResult = ScanResultUnmarshaller.GetInstance().Unmarshall(context);
return response;
}
/// <summary>
/// Get all users.
/// </summary>
/// <returns>All user entities.</returns>
public async Task <List <User> > GetAll()
{
// Get DynamoDB result.
Amazon.DynamoDBv2.Model.ScanResponse dbResult = await _dynamoDBClient.ScanAsync(
new Amazon.DynamoDBv2.Model.ScanRequest()
{
TableName = "dotnetcore-react-redux-users",
}
);
return(dbResult.Items.Select((item, idx) => this.ConvertDynamoDBItemToUser(item)).ToList());
}
public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
ScanResponse response = new ScanResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.TestExpression("Items", targetDepth))
{
var unmarshaller = new ListUnmarshaller<Dictionary<string,AttributeValue>,DictionaryUnmarshaller<string, AttributeValue, StringUnmarshaller, AttributeValueUnmarshaller>>(
new DictionaryUnmarshaller<string, AttributeValue, StringUnmarshaller, AttributeValueUnmarshaller>(StringUnmarshaller.GetInstance(),AttributeValueUnmarshaller.GetInstance()));
response.Items = unmarshaller.Unmarshall(context);
continue;
}
if (context.TestExpression("Count", targetDepth))
{
response.Count = IntUnmarshaller.GetInstance().Unmarshall(context);
continue;
}
if (context.TestExpression("ScannedCount", targetDepth))
{
response.ScannedCount = IntUnmarshaller.GetInstance().Unmarshall(context);
continue;
}
if (context.TestExpression("LastEvaluatedKey", targetDepth))
{
var unmarshaller = new DictionaryUnmarshaller<String,AttributeValue,StringUnmarshaller,AttributeValueUnmarshaller>(
StringUnmarshaller.GetInstance(),AttributeValueUnmarshaller.GetInstance());
response.LastEvaluatedKey = unmarshaller.Unmarshall(context);
continue;
}
if (context.TestExpression("ConsumedCapacity", targetDepth))
{
response.ConsumedCapacity = ConsumedCapacityUnmarshaller.GetInstance().Unmarshall(context);
continue;
}
}
return response;
}
private static void UnmarshallResult(JsonUnmarshallerContext context,ScanResponse response)
{
int originalDepth = context.CurrentDepth;
int targetDepth = originalDepth + 1;
while (context.Read())
{
if (context.TestExpression("Items", targetDepth))
{
context.Read();
response.Items = new List<Dictionary<string,AttributeValue>>();
if (context.CurrentTokenType == JsonToken.Null)
{
continue;
}
DictionaryUnmarshaller<string, AttributeValue, StringUnmarshaller, AttributeValueUnmarshaller> unmarshaller = new DictionaryUnmarshaller<string, AttributeValue, StringUnmarshaller, AttributeValueUnmarshaller>(StringUnmarshaller.GetInstance(),AttributeValueUnmarshaller.GetInstance());
while (context.Read())
{
JsonToken token = context.CurrentTokenType;
if (token == JsonToken.ArrayStart)
{
continue;
}
if (token == JsonToken.ArrayEnd)
{
break;
}
response.Items.Add(unmarshaller.Unmarshall(context));
}
continue;
}
if (context.TestExpression("Count", targetDepth))
{
context.Read();
response.Count = IntUnmarshaller.GetInstance().Unmarshall(context);
continue;
}
if (context.TestExpression("ScannedCount", targetDepth))
{
context.Read();
response.ScannedCount = IntUnmarshaller.GetInstance().Unmarshall(context);
continue;
}
if (context.TestExpression("LastEvaluatedKey", targetDepth))
{
context.Read();
response.LastEvaluatedKey = new Dictionary<String,AttributeValue>();
if (context.CurrentTokenType == JsonToken.Null)
{
continue;
}
KeyValueUnmarshaller<string, AttributeValue, StringUnmarshaller, AttributeValueUnmarshaller> unmarshaller = new KeyValueUnmarshaller<string, AttributeValue, StringUnmarshaller, AttributeValueUnmarshaller>(StringUnmarshaller.GetInstance(), AttributeValueUnmarshaller.GetInstance());
while (context.Read())
{
JsonToken token = context.CurrentTokenType;
if (token == JsonToken.ArrayStart || token == JsonToken.ObjectStart)
{
continue;
}
if (token == JsonToken.ArrayEnd || token == JsonToken.ObjectEnd)
{
break;
}
KeyValuePair<string, AttributeValue> kvp = unmarshaller.Unmarshall(context);
response.LastEvaluatedKey.Add(kvp.Key, kvp.Value);
}
continue;
}
if (context.TestExpression("ConsumedCapacity", targetDepth))
{
context.Read();
response.ConsumedCapacity = ConsumedCapacityUnmarshaller.GetInstance().Unmarshall(context);
continue;
}
if (context.CurrentDepth <= originalDepth)
{
return;
}
}
return;
}