public async Task AddAsync <TKey, TValue>(TKey key, TValue value)
{
var request = new PutItemRequest
{
TableName = _tableName,
Item = SetKeyItems(key, new Dictionary <string, AttributeValue>
{
{ "Value", AttributeValueTypeAccessor <TValue> .CreateValue(value, _settings.Serializer) },
}),
Expected = new Dictionary <string, ExpectedAttributeValue>
{
{ "Dictionary", new ExpectedAttributeValue(false) },
{ "Key", new ExpectedAttributeValue(false) },
}
};
try
{
var response = await _dynamoDBClient.PutItemAsync(request).ConfigureAwait(false);
}
catch (ConditionalCheckFailedException ex)
{
throw new ArgumentException("An item with the same key has already been added.", ex);
}
}
public async Task AddOrUpdateAsync <TKey, TValue>(TKey key, TValue value)
{
var request = new PutItemRequest
{
TableName = _tableName,
Item = SetKeyItems(key, new Dictionary <string, AttributeValue>
{
{ "Value", AttributeValueTypeAccessor <TValue> .CreateValue(value, _settings.Serializer) },
}),
};
var response = await _dynamoDBClient.PutItemAsync(request).ConfigureAwait(false);
}
private TValue GetValue <TValue>(Dictionary <string, AttributeValue> item)
{
return(AttributeValueTypeAccessor <TValue> .GetValue(item["Value"], _settings.Serializer));
}