private void Update(string name, VersionedContainer <EnvironmentInfo> container)
{
if (isDisposed)
{
return;
}
try
{
var environmentPath = pathHelper.BuildEnvironmentPath(name);
var environmentExists = zooKeeperClient.Exists(new ExistsRequest(environmentPath)
{
Watcher = nodeWatcher
});
if (!environmentExists.IsSuccessful)
{
return;
}
if (environmentExists.Stat == null)
{
container.Clear();
}
else
{
if (!container.NeedUpdate(environmentExists.Stat.ModifiedZxId))
{
return;
}
var environmentData = zooKeeperClient.GetData(new GetDataRequest(environmentPath)
{
Watcher = nodeWatcher
});
if (environmentData.Status == ZooKeeperStatus.NodeNotFound)
{
container.Clear();
}
if (!environmentData.IsSuccessful)
{
return;
}
var info = EnvironmentNodeDataSerializer.Deserialize(name, environmentData.Data);
container.Update(environmentData.Stat.ModifiedZxId, info);
}
}
catch (Exception error)
{
log.Error(error, "Failed to update '{Environment}' environment.", name);
}
}
public void Update()
{
if (isDisposed)
{
return;
}
try
{
var applicationExists = zooKeeperClient.Exists(new ExistsRequest(applicationNodePath)
{
Watcher = nodeWatcher
});
if (!applicationExists.IsSuccessful)
{
return;
}
if (applicationExists.Stat == null)
{
Clear();
return;
}
if (applicationContainer.NeedUpdate(applicationExists.Stat.ModifiedZxId))
{
var applicationData = zooKeeperClient.GetData(new GetDataRequest(applicationNodePath)
{
Watcher = nodeWatcher
});
if (applicationData.Status == ZooKeeperStatus.NodeNotFound)
{
Clear();
}
if (!applicationData.IsSuccessful)
{
return;
}
var info = ApplicationNodeDataSerializer.Deserialize(environmentName, applicationName, applicationData.Data);
if (applicationContainer.Update(applicationData.Stat.ModifiedZxId, info))
{
UpdateServiceTopology();
}
}
if (replicasContainer.NeedUpdate(applicationExists.Stat.ModifiedChildrenZxId))
{
var applicationChildren = zooKeeperClient.GetChildren(new GetChildrenRequest(applicationNodePath)
{
Watcher = nodeWatcher
});
if (applicationChildren.Status == ZooKeeperStatus.NodeNotFound)
{
Clear();
}
if (!applicationChildren.IsSuccessful)
{
return;
}
var replicas = UrlParser.Parse(applicationChildren.ChildrenNames.Select(pathHelper.Unescape));
if (replicasContainer.Update(applicationChildren.Stat.ModifiedChildrenZxId, replicas))
{
UpdateServiceTopology();
}
}
}
catch (Exception error)
{
log.Error(error, "Failed to update '{Application} application in '{Environment}' environment.", applicationName, environmentName);
}
}