/// <summary>
/// Init the Component
/// </summary>
public static void InitComponent(ref Config config, ref TopologyContext context)
{
string message = ReadMsg();
JContainer container = JsonConvert.DeserializeObject(message) as JContainer;
var _pidDir = container["pidDir"];
if (_pidDir != null && _pidDir.GetType() == typeof(JValue))
{
string pidDir = (_pidDir as JValue).Value.ToString();
SendPid(pidDir);
}
var _conf = container["conf"];
if (_conf != null && _conf.GetType().BaseType == typeof(JContainer))
{
config = GetConfig(_conf as JContainer);
}
var _context = container["context"];
if (_context != null && _context.GetType().BaseType == typeof(JContainer))
{
context = GetContext(_context as JContainer);
}
}
public void Prepare(Config stormConf, TopologyContext context)
{
return;
}
/// <summary>
/// Called when a task for this component is initialized within a worker on the cluster.
/// It provides the spout with the environment in which the spout executes.
/// </summary>
/// <param name="config">The Storm configuration for this spout. This is the configuration provided to the topology merged in with cluster configuration on this machine.</param>
/// <param name="topologyContext">This object can be used to get information about this task's place within the topology, including the task id and component id of this task, input and output information, etc.</param>
public void Open(Config config, TopologyContext topologyContext)
{
return;
}
public static void LaunchPlugin(newPlugin createDelegate)
{
TopologyContext context = null;
Config config = new Config();
Context.pluginType = PluginType.UNKNOW;
Type classType = createDelegate.Method.ReturnType;
Type[] interfaces = classType.GetInterfaces();
foreach (Type eachType in interfaces)
{
if (eachType == typeof(ISpout))
{
Context.pluginType = PluginType.SPOUT;
break;
}
else if (eachType == typeof(IBolt))
{
Context.pluginType = PluginType.BOLT;
break;
}
else if (eachType == typeof(IBasicBolt))
{
Context.pluginType = PluginType.BASICBOLT;
break;
}
}
InitComponent(ref config, ref context);
Context.Config = config;
Context.TopologyContext = context;
PluginType pluginType = Context.pluginType;
Context.Logger.Info("LaunchPlugin, pluginType: {0}", new object[]
{
pluginType
});
switch (pluginType)
{
case PluginType.SPOUT:
{
Spout spout = new Spout(createDelegate);
spout.Launch();
return;
}
case PluginType.BOLT:
{
Bolt bolt = new Bolt(createDelegate);
bolt.Launch();
return;
}
case PluginType.BASICBOLT:
{
BasicBolt basicBolt = new BasicBolt(createDelegate);
basicBolt.Launch();
return;
}
default:
{
Context.Logger.Error("unexpected pluginType: {0}!", new object[]
{
pluginType
});
return;
}
}
}
private static Config GetConfig(JContainer configContainer)
{
Config config = new Config();
foreach (var item in configContainer)
{
if (item.GetType() == typeof(JProperty))
{
JProperty temp = item as JProperty;
if (temp.Value.GetType() == typeof(JValue))
config.StormConf.Add(temp.Name, (temp.Value as JValue).Value);
}
}
return config;
}
/// <summary>
/// Init the Component
/// </summary>
public static void InitComponent(ref Config config, ref TopologyContext context)
{
string message = ReadMsg();
StormConfigure configure = JsonConvert.DeserializeObject<StormConfigure>(message);
if(!string.IsNullOrEmpty(configure.pidDir))
SendPid(configure.pidDir);
config.StormConf = configure.conf;
//Todo: ignore the context?
//string topologyId = "";
//if (configure.context.ContainsKey("componentid"))
// topologyId = configure.context["componentid"].ToString();
//context = new TopologyContext(Convert.ToInt32(configure.context["taskid"]), topologyId, null);
}