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Program.cs
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Program.cs
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/* This file is part of VoltDB.
* Copyright (C) 2008-2018 VoltDB Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
using System;
using VoltDB.Data.Client;
namespace VoltDB.Examples.HelloWorld
{
class Program
{
static void Main(string[] args)
{
try
{
// Read hosts from the command or use defaults
string hosts = "10.10.180.176";
if (args.Length > 0)
hosts = string.Join(",", string.Join(",", args).Split(' ', ','));
// Create a connection and open it immediately.
// Notice the "using" block that will ensure the connection is closed and disposed of at the end.
using (var connection = VoltConnection.Create("hosts=" + hosts).Open())
{
// Define the procedure wrappers we will use
var Insert = connection.Procedures.Wrap<Null, string, string, string>("Insert");
var Select = connection.Procedures.Wrap<SingleRowTable, string>("Select");
// Load the database - we initialize once only, so consecutive runs won't fail.
if (!Select.Execute("English").Result.HasData)
{
Insert.Execute("Hello", "World", "English");
Insert.Execute("Bonjour", "Monde", "French");
Insert.Execute("Hola", "Mundo", "Spanish");
Insert.Execute("Hej", "Verden", "Danish");
Insert.Execute("Ciao", "Mondo", "Italian");
}
// Get the result and wrap into a strongly-typed single-row table
var result = Select.Execute("Spanish").Result.Wrap<string, string>();
// Print out the answer
if (result.HasData)
Console.WriteLine("{0}, {1}", result.Column1, result.Column2);
else
Console.WriteLine("I can't say Hello in that language!");
}
}
catch (Exception x)
{
Console.WriteLine(x.ToString());
}
}
}
}