protected void Shard_Command(object sender, CommandEventArgs e)
{
var data = HttpUtility.ParseQueryString(e.CommandArgument.ToString());
var workloadGroup = TableGroupConfig.LoadCurrent(data["WorkgroupConfigName"]);
switch (e.CommandName)
{
case "UpdateMap":
{
workloadGroup.UpdateShardMap();
workloadGroup.Save();
lastMessage = "Proposed Shard Map updated";
break;
}
case "DeployMap":
{
workloadGroup.DeployShardMap(true);
lastMessage = "Shard Map deployment sent to the queue";
break;
}
case "PublishMap":
{
workloadGroup.PublishShardMap(true);
lastMessage = "Shard Map publishing sent to the Queue";
break;
}
}
dataForm.DataBind();
}
public TableGroupConfig GetItem([QueryString] string id)
{
var item = TableGroupConfig.LoadCurrent(id);
Title = item.TableGroupName + " Details";
currentItem = item;
return(item);
}
protected void ServerItem_Command(object sender, CommandEventArgs e)
{
switch (e.CommandName)
{
case "RemoveServer":
{
var data = HttpUtility.ParseQueryString(e.CommandArgument.ToString());
var workloadGroup = TableGroupConfig.LoadCurrent(data["WorkgroupConfigName"]);
if (workloadGroup != null)
{
var servername = data["ServerInstanceName"];
var server = workloadGroup.Servers.FirstOrDefault(x => x.ServerInstanceName == servername);
if (server != null)
{
workloadGroup.Servers.Remove(server);
workloadGroup.Save();
currentItem = workloadGroup;
dataForm.DataBind();
}
}
break;
}
case "AddServer":
{
var data = HttpUtility.ParseQueryString(e.CommandArgument.ToString());
var workloadGroup = TableGroupConfig.LoadCurrent(data["WorkgroupConfigName"]);
var servername =
((DropDownList)((WebControl)sender).Parent.FindControl("editServerList")).SelectedValue;
if (workloadGroup != null)
{
if (workloadGroup.Servers.Count(x => x.ServerInstanceName == servername) == 0)
{
var server = Data.Elasticity.Models.Server.Load(servername);
if (server != null)
{
workloadGroup.Servers.Add(server);
workloadGroup.Save();
currentItem = workloadGroup;
dataForm.DataBind();
}
}
}
break;
}
}
}
// The id parameter name should match the DataKeyNames value set on the control
public void UpdateItem(string WorkloadGroupName)
{
var item = TableGroupConfig.LoadCurrent(WorkloadGroupName);
// Load the item here, e.g. item = MyDataLayer.Find(id);
if (item == null)
{
// The item wasn't found
ModelState.AddModelError("", String.Format("Item with id {0} was not found", WorkloadGroupName));
return;
}
TryUpdateModel(item);
if (ModelState.IsValid)
{
item.Save();
}
}
private bool HasPointerShards()
{
var workloadGroup = TableGroupConfig.LoadCurrent(_workloadGroupName);
if (workloadGroup.PointerShards.Count() > 0)
{
ddlNewShard.Items.Clear();
foreach (var pointerShard in workloadGroup.PointerShards)
{
ddlNewShard.Items.Add(new ListItem
{
Text = string.Format("{0} - {1}", pointerShard.ServerInstanceName, pointerShard.Catalog),
Value = pointerShard.PointerShardID.ToString(),
});
}
return(true);
}
return(false);
}
protected void PointerShard_Command(object sender, CommandEventArgs e)
{
switch (e.CommandName)
{
case "AddShard":
{
var data = HttpUtility.ParseQueryString(e.CommandArgument.ToString());
var workloadGroup = TableGroupConfig.LoadCurrent(data["WorkgroupConfigName"]);
var servername =
((DropDownList)((WebControl)sender).Parent.FindControl("newPointerShardList")).SelectedValue;
var catalog = ((TextBox)((WebControl)sender).Parent.FindControl("newCatalogName")).Text;
var description = ((TextBox)((WebControl)sender).Parent.FindControl("newDescription")).Text;
if (workloadGroup != null)
{
if (
workloadGroup.PointerShards.Count(
x => x.ServerInstanceName == servername && x.Catalog == catalog) == 0)
{
workloadGroup.PointerShards.Add(new PointerShard
{
Catalog = catalog,
Description = description,
ServerInstanceName = servername,
});
workloadGroup.Save();
dataForm.DataBind();
}
}
break;
}
case "UpdateShard":
{
var data = HttpUtility.ParseQueryString(e.CommandArgument.ToString());
var workloadGroup = TableGroupConfig.LoadCurrent(data["WorkgroupConfigName"]);
var description = ((TextBox)((WebControl)sender).Parent.FindControl("description")).Text;
int pointerShard;
if (workloadGroup != null)
{
if (int.TryParse(data["PointerShardID"], out pointerShard))
{
var shard = workloadGroup.PointerShards.FirstOrDefault(x => x.PointerShardID == pointerShard);
if (shard != null)
{
shard.Description = description;
workloadGroup.Save();
dataForm.DataBind();
}
}
}
break;
}
case "DeleteShard":
{
var data = HttpUtility.ParseQueryString(e.CommandArgument.ToString());
var workloadGroup = TableGroupConfig.LoadCurrent(data["WorkgroupConfigName"]);
int pointerShard;
if (workloadGroup != null)
{
if (int.TryParse(data["PointerShardID"], out pointerShard))
{
var shard = workloadGroup.PointerShards.FirstOrDefault(x => x.PointerShardID == pointerShard);
if (shard != null)
{
workloadGroup.PointerShards.Remove(shard);
workloadGroup.Save();
dataForm.DataBind();
}
}
}
break;
}
case "DeployMap":
{
var data = HttpUtility.ParseQueryString(e.CommandArgument.ToString());
var workloadGroup = TableGroupConfig.LoadCurrent(data["WorkgroupConfigName"]);
if (workloadGroup != null)
{
if (workloadGroup.PointerShards.Count > 0)
{
lastMessage = "Pointer Shards queued for deployment.";
workloadGroup.DeployPointerShards(true);
}
else
{
lastMessage = "No pointer shards to deploy.";
}
}
break;
}
case "MoveTenant":
{
var data = HttpUtility.ParseQueryString(e.CommandArgument.ToString());
Response.Redirect(string.Format("~/WorkloadGroupConfigs/MoveTenant.aspx?id={0}",
data["WorkgroupConfigName"]));
break;
}
}
}