C#•4mo ago

Difference in using the second overloaded method and first method from CosmosClient

Hi, I am trying to understand what's the difference in using the second overloaded method in CosmosClient compared to just supply the connection string using the first overloaded method of CosmosClient? I understand that the second requires me to provide the endpoint uri and primary key, but why is there a need for the second overloaded method if CosmosClient(string connectionString, CosmosClientOptions clientOptions = null) already simplifies my work. Is there a reason(s) that I should be using the second one? Note that I am using the latest Azure CosmosDB SDK v3 for my ASP.NET Core 7 application.

5 Replies

Unknown User•4mo ago

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CoreVisional•4mo ago

Sorry, forgot to provide the code section I was referring to: From CosmosClient.cs:

        public CosmosClient(string connectionString, CosmosClientOptions clientOptions = null)
            : this(CosmosClientOptions.GetAccountEndpoint(connectionString), CosmosClientOptions.GetAccountKey(connectionString), clientOptions)
        {
        }

        public CosmosClient(string accountEndpoint, string authKeyOrResourceToken, CosmosClientOptions clientOptions = null)
        {
            if (string.IsNullOrEmpty(accountEndpoint))
            {
                throw new ArgumentNullException("accountEndpoint");
            }

            if (string.IsNullOrEmpty(authKeyOrResourceToken))
            {
                throw new ArgumentNullException("authKeyOrResourceToken");
            }

            Endpoint = new Uri(accountEndpoint);
            AccountKey = authKeyOrResourceToken;
            ClientContext = ClientContextCore.Create(this, clientOptions);
        }

        public CosmosClient(string connectionString, CosmosClientOptions clientOptions = null)
            : this(CosmosClientOptions.GetAccountEndpoint(connectionString), CosmosClientOptions.GetAccountKey(connectionString), clientOptions)
        {
        }

        public CosmosClient(string accountEndpoint, string authKeyOrResourceToken, CosmosClientOptions clientOptions = null)
        {
            if (string.IsNullOrEmpty(accountEndpoint))
            {
                throw new ArgumentNullException("accountEndpoint");
            }

            if (string.IsNullOrEmpty(authKeyOrResourceToken))
            {
                throw new ArgumentNullException("authKeyOrResourceToken");
            }

            Endpoint = new Uri(accountEndpoint);
            AccountKey = authKeyOrResourceToken;
            ClientContext = ClientContextCore.Create(this, clientOptions);
        }

Unknown User•4mo ago

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CoreVisional•4mo ago

Yeah I take it that that is for the primary key. But, I can also just connect using the first method by providing the connection string, which works just as fine for me, so I don't get the point of the second overloaded method, unless it is for explicitness and flexibility?

Unknown User•4mo ago

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Difference in using the second overloaded method and first method from CosmosClient