public static void Main()
{
SqlConnectionStringBuilder connStrBldr = new SqlConnectionStringBuilder
{
UserID = s_userName,
Password = s_password,
ApplicationName = s_applicationName
};
// Bootstrap the shard map manager, register shards, and store mappings of tenants to shards
// Note that you can keep working with existing shard maps. There is no need to
// re-create and populate the shard map from scratch every time.
Console.WriteLine("Checking for existing shard map and creating new shard map if necessary.");
Sharding sharding = new Sharding(s_server, s_shardmapmgrdb, connStrBldr.ConnectionString);
sharding.RegisterNewShard(s_server, s_shard1, connStrBldr.ConnectionString, s_tenantId1);
sharding.RegisterNewShard(s_server, s_shard2, connStrBldr.ConnectionString, s_tenantId2);
// Do work for tenant 1 :-)
// Create and save a new Blog
Console.Write("Enter a name for a new Blog: ");
var name = Console.ReadLine();
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (var db = new ElasticScaleContext<int>(sharding.ShardMap, s_tenantId1, connStrBldr.ConnectionString))
{
var blog = new Blog { Name = name };
db.Blogs.Add(blog);
db.SaveChanges();
}
});
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (var db = new ElasticScaleContext<int>(sharding.ShardMap, s_tenantId1, connStrBldr.ConnectionString))
{
// Display all Blogs for tenant 1
var query = from b in db.Blogs
orderby b.Name
select b;
Console.WriteLine("All blogs for tenant id {0}:", s_tenantId1);
foreach (var item in query)
{
Console.WriteLine(item.Name);
}
}
});
// Do work for tenant 2 :-)
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (var db = new ElasticScaleContext<int>(sharding.ShardMap, s_tenantId2, connStrBldr.ConnectionString))
{
// Display all Blogs from the database
var query = from b in db.Blogs
orderby b.Name
select b;
Console.WriteLine("All blogs for tenant id {0}:", s_tenantId2);
foreach (var item in query)
{
Console.WriteLine(item.Name);
}
}
});
// Create and save a new Blog
Console.Write("Enter a name for a new Blog: ");
var name2 = Console.ReadLine();
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (var db = new ElasticScaleContext<int>(sharding.ShardMap, s_tenantId2, connStrBldr.ConnectionString))
{
var blog = new Blog { Name = name2 };
db.Blogs.Add(blog);
db.SaveChanges();
}
});
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (var db = new ElasticScaleContext<int>(sharding.ShardMap, s_tenantId2, connStrBldr.ConnectionString))
{
// Display all Blogs from the database
var query = from b in db.Blogs
orderby b.Name
select b;
Console.WriteLine("All blogs for tenant id {0}:", s_tenantId2);
foreach (var item in query)
{
Console.WriteLine(item.Name);
}
}
});
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}
public static void Main()
{
SqlConnectionStringBuilder connStrBldr = new SqlConnectionStringBuilder
{
UserID = userName,
Password = password,
ApplicationName = applicationName
};
#region Create Shards
// Bootstrap the shard map manager, register shards, and store mappings of tenants to shards
// Note that you can keep working with existing shard maps. There is no need to
// re-create and populate the shard map from scratch every time.
Console.WriteLine("Checking for existing shard map and creating new shard map if necessary.");
Sharding sharding = new Sharding(server, shardmapmgrdb, connStrBldr.ConnectionString);
sharding.RegisterNewShard(server, shard1, connStrBldr.ConnectionString, tenantId1);
sharding.RegisterNewShard(server, shard2, connStrBldr.ConnectionString, tenantId2);
#endregion
#region Insert Items
// Do work for tenant 1 :-)
// Create and save a new Blog
Console.Write("Enter a name for a new Blog: ");
var name = Console.ReadLine();
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (var db = new ElasticScaleContext<int>(sharding.ShardMap, tenantId1, connStrBldr.ConnectionString))
{
var blog = new Blog { Name = name };
db.Blogs.Add(blog);
db.SaveChanges();
}
});
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (var db = new ElasticScaleContext<int>(sharding.ShardMap, tenantId1, connStrBldr.ConnectionString))
{
// Display all Blogs for tenant 1
var query = from b in db.Blogs
orderby b.Name
select b;
Console.WriteLine("All blogs for tenant id {0}:", tenantId1);
foreach (var item in query)
{
Console.WriteLine(item.Name);
}
}
});
// Do work for tenant 2 :-)
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (var db = new ElasticScaleContext<int>(sharding.ShardMap, tenantId2, connStrBldr.ConnectionString))
{
// Display all Blogs from the database
var query = from b in db.Blogs
orderby b.Name
select b;
Console.WriteLine("All blogs for tenant id {0}:", tenantId2);
foreach (var item in query)
{
Console.WriteLine(item.Name);
}
}
});
// Create and save a new Blog
Console.Write("Enter a name for a new Blog: ");
var name2 = Console.ReadLine();
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (var db = new ElasticScaleContext<int>(sharding.ShardMap, tenantId2, connStrBldr.ConnectionString))
{
var blog = new Blog { Name = name2 };
db.Blogs.Add(blog);
db.SaveChanges();
}
});
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (var db = new ElasticScaleContext<int>(sharding.ShardMap, tenantId2, connStrBldr.ConnectionString))
{
// Display all Blogs from the database
var query = from b in db.Blogs
orderby b.Name
select b;
Console.WriteLine("All blogs for tenant id {0}:", tenantId2);
foreach (var item in query)
{
Console.WriteLine(item.Name);
}
}
});
#endregion
#region Query
Console.WriteLine("Staring Multi Shard Read via MultiShardCommand");
/// Multi Shard querying
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (MultiShardConnection conn = new MultiShardConnection(
sharding.ShardMap.GetShards(),
connStrBldr.ConnectionString))
{
using (MultiShardCommand cmd = conn.CreateCommand())
{
cmd.CommandText = "SELECT BlogId, Name FROM Blogs";
cmd.CommandType = CommandType.Text;
cmd.ExecutionOptions = MultiShardExecutionOptions.IncludeShardNameColumn;
cmd.ExecutionPolicy = MultiShardExecutionPolicy.PartialResults;
using (MultiShardDataReader sdr = cmd.ExecuteReader())
{
while (sdr.Read())
{
var c2Field = sdr.GetFieldValue<int>(0);
var c1Field = sdr.GetFieldValue<string>(1);
Blog blog = new Blog(c2Field, c1Field, null);
Console.WriteLine("Blog Entry: " + blog.Name);
}
}
}
}
});
Console.WriteLine("Staring Multi Shard Read via Elastic Scale");
//Elastic Query
SqlDatabaseUtils.SqlRetryPolicy.ExecuteAction(() =>
{
using (SqlConnection conn = new SqlConnection(elasticqueryString))
{
using (SqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = "SELECT BlogId, Name FROM Blogs";
cmd.CommandType = CommandType.Text;
conn.Open();
using (SqlDataReader sdr = cmd.ExecuteReader())
{
while (sdr.Read())
{
var c2Field = sdr.GetFieldValue<int>(0);
var c1Field = sdr.GetFieldValue<string>(1);
Blog blog = new Blog(c2Field, c1Field, null);
Console.WriteLine("Blog Entry: " + blog.Name);
}
}
}
}
});
#endregion
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}
