public DynamoDbParameterModel(string parameterName, DynamoDBEntryType dynamoDBEntryType, string parameterValue)
{
switch (dynamoDBEntryType)
{
case DynamoDBEntryType.Numeric:
parameterDictionary.Add(parameterName, new AttributeValue()
{
N = parameterValue
});
break;
case DynamoDBEntryType.Binary:
parameterDictionary.Add(parameterName, new AttributeValue()
{
B = new MemoryStream(Encoding.UTF8.GetBytes(parameterValue ?? ""))
});
break;
case DynamoDBEntryType.String:
parameterDictionary.Add(parameterName, new AttributeValue()
{
S = parameterValue
});
break;
default:
parameterDictionary.Add(parameterName, new AttributeValue()
{
S = parameterValue
});
break;
}
}
// Write the contents of a Primitive object as JSON data
private static void WritePrimitive(JsonWriter writer, DynamoDBEntryType type, object value)
{
var stringValue = value as string;
switch (type)
{
case DynamoDBEntryType.Numeric:
writer.WriteRaw(stringValue);
break;
case DynamoDBEntryType.String:
writer.Write(stringValue);
break;
case DynamoDBEntryType.Binary:
var bytes = value as byte[];
var base64 = Convert.ToBase64String(bytes);
writer.Write(base64);
break;
default:
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture,
"Unsupport DynamoDBEntryType: {0}", type));
}
}
public void AddParameter(string parameterName, DynamoDBEntryType dynamoDBEntryType, string parameterValue)
{
if (!parameterName.StartsWith(":"))
{
throw (new ArgumentException(ErrorStrings.ParameterMissingColon));
}
if (!Regex.IsMatch(parameterName.TrimStart(':'), ResourceStrings.RegexParameterValidation))
{
throw (new ArgumentException(ErrorStrings.ParameterNonAlphaNumeric));
}
switch (dynamoDBEntryType)
{
case DynamoDBEntryType.Numeric:
parameterDictionary.Add(parameterName, new AttributeValue()
{
N = parameterValue
});
break;
case DynamoDBEntryType.Binary:
parameterDictionary.Add(parameterName, new AttributeValue()
{
B = new MemoryStream(Encoding.UTF8.GetBytes(parameterValue ?? ""))
});
break;
case DynamoDBEntryType.String:
parameterDictionary.Add(parameterName, new AttributeValue()
{
S = parameterValue
});
break;
default:
parameterDictionary.Add(parameterName, new AttributeValue()
{
S = parameterValue
});
break;
}
}
ScalarAttributeType ConvertToScalarAttributeType(DynamoDBEntryType type)
{
switch (type)
{
case DynamoDBEntryType.Binary:
return(ScalarAttributeType.S);
case DynamoDBEntryType.Numeric:
return(ScalarAttributeType.N);
case DynamoDBEntryType.String:
return(ScalarAttributeType.S);
default:
throw new Exception("Unsupported Dynamo entry type")
{
Data =
{
["Type"] = type
}
};
}
}
internal Primitive(object value, DynamoDBEntryType type)
{
Value = value;
Type = type;
}
/// <summary>
/// Constructs an empty PrimitiveList and specifies
/// the type of its elements.
/// </summary>
/// <param name="type"></param>
public PrimitiveList(DynamoDBEntryType type)
{
Entries = new List <Primitive>();
Type = type;
}
// Write the contents of a Primitive object as JSON data
private static void WritePrimitive(JsonWriter writer, DynamoDBEntryType type, object value)
{
var stringValue = value as string;
switch (type)
{
case DynamoDBEntryType.Numeric:
writer.WriteRaw(stringValue);
break;
case DynamoDBEntryType.String:
writer.Write(stringValue);
break;
case DynamoDBEntryType.Binary:
var bytes = value as byte[];
var base64 = Convert.ToBase64String(bytes);
writer.Write(base64);
break;
default:
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture,
"Unsupport DynamoDBEntryType: {0}", type));
}
}
/// <summary>
/// Constructs an empty PrimitiveList and specifies
/// the type of its elements.
/// </summary>
/// <param name="type"></param>
public PrimitiveList(DynamoDBEntryType type)
{
Entries = new List<Primitive>();
Type = type;
}
internal Primitive(object value, DynamoDBEntryType type)
{
Value = value;
Type = type;
}
