public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topologyBuilder = new TopologyBuilder("TwitterStreaming" + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
"TwitterSpout",
TwitterSpout.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, TwitterSpout.OutputSchemaName }
},
1, true);
var boltConfig = new StormConfig();
boltConfig.Set("topology.tick.tuple.freq.secs", "20");
topologyBuilder.SetBolt(
"TopNTweetBolt",
TopNTweetBolt.Get,
new Dictionary <string, List <string> >()
{
{ "TOPNTWEETS_STREAM", TopNTweetBolt.OutputSchemaName }
}, 1, true)
.shuffleGrouping("TwitterSpout")
.addConfigurations(boltConfig);
topologyBuilder.SetBolt(
"AzureSqlBolt",
AzureSqlBolt.Get,
new Dictionary <string, List <string> >(),
1).shuffleGrouping("TopNTweetBolt", "TOPNTWEETS_STREAM");
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(DocumentDBLookupTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
typeof(VehicleRecordGeneratorSpoutForDocumentDB).Name, //Set task name
VehicleRecordGeneratorSpoutForDocumentDB.Get, //Set task constructor delegate
new Dictionary<string, List<string>>() { { Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpoutForDocumentDB.OutputFields } },
1,
true);
topologyBuilder.SetBolt(
typeof(DocumentDbLookupBolt).Name, //Set task name
DocumentDbLookupBolt.Get, //Set task constructor delegate
//Set the output field names - As DocumentDb return a JSON object, we will be expecting only 1 field
new Dictionary<string, List<string>>() { { Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpoutForDocumentDB.OutputFields } },
1,
true).
globalGrouping(typeof(VehicleRecordGeneratorSpoutForDocumentDB).Name);
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(DocumentDBWriterTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
typeof(VehicleRecordGeneratorSpoutForDocumentDB).Name, //Set task name
VehicleRecordGeneratorSpoutForDocumentDB.Get, //Set task constructor delegate
new Dictionary<string, List<string>>() {
{ Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpoutForDocumentDB.OutputFields }
},
1, //Set number of tasks
true //Set enableAck
);
//Store the incoming Vehicle records in DocumentDb
topologyBuilder.SetBolt(
typeof(DocumentDbBolt).Name, //Set task name
DocumentDbBolt.Get, //Set task constructor delegate
new Dictionary<string, List<string>>(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(VehicleRecordGeneratorSpoutForDocumentDB).Name); //Choose grouping
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(HBaseLookupTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
typeof(VehicleRecordGeneratorSpoutForHBase).Name, //Set task name
VehicleRecordGeneratorSpoutForHBase.Get, //Set task constructor delegate
new Dictionary<string, List<string>>() {
{ Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpoutForHBase.OutputFields } },
1, //Set number of tasks
true //Set enableAck
);
topologyBuilder.SetBolt(
typeof(HBaseLookupBolt).Name, //Set task name
HBaseLookupBolt.Get, //Set task constructor delegate
new Dictionary<string, List<string>>() {
{ Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpoutForHBase.OutputFields } },
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(VehicleRecordGeneratorSpoutForHBase).Name);
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
appConfig = new AppConfig();
TopologyBuilder topologyBuilder = new TopologyBuilder(this.GetType().Name);
topologyBuilder.SetSpout(
typeof(EventGenerator).Name,
EventGenerator.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"Event"
} }
},
appConfig.EventHubPartitions
);
topologyBuilder.SetBolt(
typeof(EventHubWriter).Name,
EventHubWriter.Get,
new Dictionary <string, List <string> >(),
appConfig.EventHubPartitions
).
shuffleGrouping(typeof(EventGenerator).Name);
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(8);
topologyConfig.setMaxSpoutPending(1600);
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(SqlAzureWriterTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
//Component tasks expect output field names in TopologyBuilder
topologyBuilder.SetSpout(
typeof(IISLogGeneratorSpout).Name, //Set task name
IISLogGeneratorSpout.Get, //Set task constructor delegate
new Dictionary<string, List<string>>() {
{Constants.DEFAULT_STREAM_ID, IISLogGeneratorSpout.OutputFields}
},
1, //Set number of tasks
true //Set enableAck
);
topologyBuilder.SetBolt(
typeof(SqlAzureBolt).Name, //Set task name
SqlAzureBolt.Get, //Set task constructor delegate
new Dictionary<string, List<string>>(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(IISLogGeneratorSpout).Name);
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topoBuilder = new TopologyBuilder("TwitterSentimentAnalysis" + DateTime.Now.ToString("yyyyMMddHHmmss"));
topoBuilder.SetSpout("TwitterReaderSpout", TwitterReaderSpout.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, TwitterReaderSpout.OutputSchemaName }
}, 1, true);
// create a bolt with tick frequence of 10 secs to emit tuple
var boltConfig = new StormConfig();
boltConfig.Set("topology.tick.tuple.freq.secs", "10");
topoBuilder.SetBolt("TweetRankBolt", TweetRankBolt.Get,
new Dictionary <string, List <string> >()
{
{ "TWEETRANK_STREAM", TweetRankBolt.OutputSchemaName }
}, 1, true)
.shuffleGrouping("TwitterReaderSpout")
.addConfigurations(boltConfig);
topoBuilder.SetBolt(
"AzureSqlBolt",
AzureSqlBolt.Get,
new Dictionary <string, List <string> >(),
1).shuffleGrouping("TweetRankBolt", "TWEETRANK_STREAM");
return(topoBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
TransactionalTopologyBuilder topologyBuilder = new TransactionalTopologyBuilder("HybridTopologyTx_javaSpout_csharpBolt");
// Demo how to use clojure code (in string) to initialize the constructor of Java Spout/Bolt
JavaComponentConstructor constructor = JavaComponentConstructor.CreateFromClojureExpr("(microsoft.scp.example.HybridTopology.TxGenerator. 100 \"test\" nil)");
topologyBuilder.SetJavaSpout(
"generator",
constructor,
1);
// Demo how to set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, fullname of the Java JSON Serializer class is required
List<string> javaSerializerInfo = new List<string>() { "microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer" };
topologyBuilder.SetBolt(
"displayer",
SCPTxBolt.SCP_TX_COMMIT_BOLT,
TxDisplayer.Get,
new Dictionary<string, List<string>>(),
1).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("generator");
// Demo how to set topology config
StormConfig conf = new StormConfig();
conf.setNumWorkers(1);
conf.setWorkerChildOps("-Xmx1024m");
conf.Set("topology.kryo.register", "[\"[B\"]");
topologyBuilder.SetTopologyConfig(conf);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topologyBuilder = new TopologyBuilder("HybridTopology_csharpSpout_javaCsharpBolt");
// Demo how to set a customized JSON Deserializer to deserialize a JSON string into Java object (to send to a Java Bolt)
// Here, fullname of the Java JSON Deserializer class and target deserialized class are required
List<string> javaDeserializerInfo = new List<string>() { "microsoft.scp.storm.multilang.CustomizedInteropJSONDeserializer", "microsoft.scp.example.HybridTopology.Person" };
topologyBuilder.SetSpout(
"generator",
Generator.Get,
new Dictionary<string, List<string>>()
{
{Constants.DEFAULT_STREAM_ID, new List<string>(){"person"}}
},
1,
null).DeclareCustomizedJavaDeserializer(javaDeserializerInfo);
// Demo how to set parameters to initialize the constructor of Java Spout/Bolt
JavaComponentConstructor constructor = new JavaComponentConstructor(
"microsoft.scp.example.HybridTopology.Displayer",
new List<Tuple<string, object>>()
{
Tuple.Create<string, object>(JavaComponentConstructor.JAVA_PRIMITIVE_TYPE_INT, 100),
Tuple.Create<string, object>(JavaComponentConstructor.JAVA_LANG_STRING, "test"),
Tuple.Create<string, object>(JavaComponentConstructor.JAVA_LANG_STRING, string.Empty)
});
// The java bolt "java_displayer" receives from the C# spout "generator"
topologyBuilder.SetJavaBolt(
"java_displayer",
constructor,
1).shuffleGrouping("generator");
// Demo how to set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, fullname of the Java JSON Serializer class is required
List<string> javaSerializerInfo = new List<string>() { "microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer" };
// The C# bolt "csharp-displayer" receive from the C# spout "generator"
topologyBuilder.SetBolt(
"csharp-displayer",
Displayer.Get,
new Dictionary<string, List<string>>(),
1).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("generator");
// Demo how to set topology config
StormConfig conf = new StormConfig();
conf.setDebug(false);
conf.setNumWorkers(1);
conf.setStatsSampleRate(0.05);
conf.setWorkerChildOps("-Xmx1024m");
conf.Set("topology.kryo.register", "[\"[B\"]");
topologyBuilder.SetTopologyConfig(conf);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topologyBuilder = new TopologyBuilder(typeof(TestEventCountHybridTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
var eventHubPartitions = int.Parse(ConfigurationManager.AppSettings["EventHubPartitions"]);
topologyBuilder.SetEventHubSpout(
"com.microsoft.eventhubs.spout.EventHubSpout",
new EventHubSpoutConfig(
ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"],
ConfigurationManager.AppSettings["EventHubSharedAccessKey"],
ConfigurationManager.AppSettings["EventHubNamespace"],
ConfigurationManager.AppSettings["EventHubEntityPath"],
eventHubPartitions),
eventHubPartitions);
// Set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, full name of the Java JSON Serializer class is required
List<string> javaSerializerInfo = new List<string>() { "microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer" };
var boltConfig = new StormConfig();
boltConfig.Set("topology.tick.tuple.freq.secs", "1");
topologyBuilder.SetBolt(
typeof(PartialCountBolt).Name,
PartialCountBolt.Get,
new Dictionary<string, List<string>>()
{
{Constants.DEFAULT_STREAM_ID, new List<string>(){ "partialCount" } }
},
eventHubPartitions,
true
).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("com.microsoft.eventhubs.spout.EventHubSpout").
addConfigurations(boltConfig);
topologyBuilder.SetBolt(
typeof(GlobalCountBolt).Name,
GlobalCountBolt.Get,
new Dictionary<string, List<string>>()
{
{Constants.DEFAULT_STREAM_ID, new List<string>(){ "timestamp", "totalCount" } }
},
1,
true).
globalGrouping(typeof(PartialCountBolt).Name).
addConfigurations(boltConfig);
var topologyConfig = new StormConfig();
topologyConfig.setMaxSpoutPending(8192);
topologyConfig.setNumWorkers(eventHubPartitions);
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
/// <summary>
/// Builds a topology that can be submitted to Storm on HDInsight
/// </summary>
/// <returns>A topology builder</returns>
public ITopologyBuilder GetTopologyBuilder()
{
//The friendly name is 'EventHubWriter'
TopologyBuilder topologyBuilder = new TopologyBuilder("EventHubWriter" + DateTime.Now.ToString("yyyyMMddHHmmss"));
//Get the partition count
int partitionCount = int.Parse(ConfigurationManager.AppSettings["EventHubPartitionCount"]);
//Create a deserializer for JSON to java.lang.String
//so that Java components can consume data emitted by
//C# components
List <string> javaDeserializerInfo =
new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONDeserializer", "java.lang.String"
};
//Set the spout
topologyBuilder.SetSpout(
"Spout",
Spout.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"Event"
} }
},
partitionCount). //Parallelism hint uses partition count
DeclareCustomizedJavaDeserializer(javaDeserializerInfo); //Deserializer for the output stream
//Create constructor for the Java bolt
JavaComponentConstructor constructor =
JavaComponentConstructor.CreateFromClojureExpr(
String.Format(@"(org.apache.storm.eventhubs.bolt.EventHubBolt. (org.apache.storm.eventhubs.bolt.EventHubBoltConfig. " +
@"""{0}"" ""{1}"" ""{2}"" ""{3}"" ""{4}"" {5}))",
ConfigurationManager.AppSettings["EventHubPolicyName"],
ConfigurationManager.AppSettings["EventHubPolicyKey"],
ConfigurationManager.AppSettings["EventHubNamespace"],
"servicebus.windows.net", //suffix for servicebus fqdn
ConfigurationManager.AppSettings["EventHubName"],
"true"));
topologyBuilder.SetJavaBolt(
"EventHubBolt",
constructor,
partitionCount). //Parallelism hint uses partition count
shuffleGrouping("Spout"); //Consume data from spout
StormConfig config = new StormConfig();
config.setNumWorkers(1); //Set the number of workers
topologyBuilder.SetTopologyConfig(config);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(EventHubWriterTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
typeof(IISLogGeneratorSpout).Name, //Set task name
IISLogGeneratorSpout.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, IISLogGeneratorSpout.OutputFields }
},
1, //Set number of tasks
true //Set enableAck
);
topologyBuilder.SetBolt(
typeof(LoggerBolt).Name, //Set task name
LoggerBolt.Get, //Set task constructor delegate
new Dictionary <string, List <string> >(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(IISLogGeneratorSpout).Name);
var EventHubPartitions = ConfigurationManager.AppSettings["EventHubPartitions"];
if (String.IsNullOrWhiteSpace(EventHubPartitions))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubPartitions");
}
var partitionCount = int.Parse(EventHubPartitions);
topologyBuilder.SetBolt(
typeof(EventHubBolt).Name, //Set task name
EventHubBolt.Get, //Set task constructor delegate
new Dictionary <string, List <string> >(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
partitionCount, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(IISLogGeneratorSpout).Name);
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topologyBuilder = new TopologyBuilder("HybridTopology_csharpSpout_javaBolt");
// Demo how to set a customized JSON Deserializer to deserialize a JSON string into Java object (to send to a Java Bolt)
// Here, fullname of the Java JSON Deserializer class and target deserialized class are required
List <string> javaDeserializerInfo = new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONDeserializer", "microsoft.scp.example.HybridTopology.Person"
};
topologyBuilder.SetSpout(
"generator",
Generator.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"person"
} }
},
1,
null).DeclareCustomizedJavaDeserializer(javaDeserializerInfo);
// Demo how to set parameters to initialize the constructor of Java Spout/Bolt
JavaComponentConstructor constructor = new JavaComponentConstructor(
"microsoft.scp.example.HybridTopology.Displayer",
new List <Tuple <string, object> >()
{
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_PRIMITIVE_TYPE_INT, 100),
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, "test"),
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, string.Empty)
});
topologyBuilder.SetJavaBolt(
"displayer",
constructor,
1).shuffleGrouping("generator");
// Demo how to set topology config
StormConfig conf = new StormConfig();
conf.setDebug(false);
conf.setNumWorkers(1);
conf.setStatsSampleRate(0.05);
conf.setWorkerChildOps("-Xmx1024m");
conf.Set("topology.kryo.register", "[\"[B\"]");
topologyBuilder.SetTopologyConfig(conf);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topologyBuilder = new TopologyBuilder("HybridTopology_javaSpout_csharpBolt");
// Demo how to set parameters to initialize the constructor of Java Spout/Bolt
JavaComponentConstructor generatorConfig = new JavaComponentConstructor(
"microsoft.scp.example.HybridTopology.GeneratorConfig",
new List <Tuple <string, object> >()
{
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_PRIMITIVE_TYPE_INT, 100),
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, "test")
});
JavaComponentConstructor generator = new JavaComponentConstructor(
"microsoft.scp.example.HybridTopology.Generator",
new List <Tuple <string, object> >()
{
Tuple.Create <string, object>("microsoft.scp.example.HybridTopology.GeneratorConfig", generatorConfig)
});
topologyBuilder.SetJavaSpout(
"generator",
generator,
1);
// Demo how to set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, fullname of the Java JSON Serializer class is required
List <string> javaSerializerInfo = new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer"
};
topologyBuilder.SetBolt(
"displayer",
Displayer.Get,
new Dictionary <string, List <string> >(),
1).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("generator");
// Demo how to set topology config
StormConfig conf = new StormConfig();
conf.setNumWorkers(1);
conf.setWorkerChildOps("-Xmx1024m");
conf.Set("topology.kryo.register", "[\"[B\"]");
topologyBuilder.SetTopologyConfig(conf);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(HBaseWriterTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
typeof(VehicleRecordGeneratorSpout).Name, //Set task name
VehicleRecordGeneratorSpout.Get, //Set task constructor delegate
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpout.OutputFields }
},
1, //Set number of tasks
true //Set enableAck
);
topologyBuilder.SetBolt(
typeof(VehicleRecordGeneratorSpout).Name + typeof(LoggerBolt).Name, //Set task name
LoggerBolt.Get, //Set task constructor delegate
new Dictionary <string, List <string> >(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(VehicleRecordGeneratorSpout).Name);
var boltConfig = new StormConfig();
boltConfig.Set("topology.tick.tuple.freq.secs", "5");
topologyBuilder.SetBolt(
typeof(HBaseBolt).Name, //Set task name
HBaseBolt.Get, //Set task constructor delegate
new Dictionary <string, List <string> >(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(VehicleRecordGeneratorSpout).Name).
addConfigurations(boltConfig);
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(EventHubWriterTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
typeof(IISLogGeneratorSpout).Name, //Set task name
IISLogGeneratorSpout.Get,
new Dictionary<string, List<string>>() { {Constants.DEFAULT_STREAM_ID, IISLogGeneratorSpout.OutputFields} },
1, //Set number of tasks
true //Set enableAck
);
topologyBuilder.SetBolt(
typeof(LoggerBolt).Name, //Set task name
LoggerBolt.Get, //Set task constructor delegate
new Dictionary<string, List<string>>(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(IISLogGeneratorSpout).Name);
var EventHubPartitions = ConfigurationManager.AppSettings["EventHubPartitions"];
if (String.IsNullOrWhiteSpace(EventHubPartitions))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubPartitions");
}
var partitionCount = int.Parse(EventHubPartitions);
topologyBuilder.SetBolt(
typeof(EventHubBolt).Name, //Set task name
EventHubBolt.Get, //Set task constructor delegate
new Dictionary<string, List<string>>(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
partitionCount, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(IISLogGeneratorSpout).Name);
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
/// <summary>
/// Builds a topology that can be submitted to Storm on HDInsight
/// </summary>
/// <returns>A topology builder</returns>
public ITopologyBuilder GetTopologyBuilder()
{
//The friendly name is 'EventHubWriter'
TopologyBuilder topologyBuilder = new TopologyBuilder("EventHubWriter" + DateTime.Now.ToString("yyyyMMddHHmmss"));
//Get the partition count
int partitionCount = int.Parse(ConfigurationManager.AppSettings["EventHubPartitionCount"]);
//Create a deserializer for JSON to java.lang.String
//so that Java components can consume data emitted by
//C# components
List<string> javaDeserializerInfo =
new List<string>() { "microsoft.scp.storm.multilang.CustomizedInteropJSONDeserializer", "java.lang.String" };
//Set the spout
topologyBuilder.SetSpout(
"Spout",
Spout.Get,
new Dictionary<string, List<string>>()
{
{Constants.DEFAULT_STREAM_ID, new List<string>(){"Event"}}
},
partitionCount). //Parallelism hint uses partition count
DeclareCustomizedJavaDeserializer(javaDeserializerInfo); //Deserializer for the output stream
//Create constructor for the Java bolt
JavaComponentConstructor constructor =
JavaComponentConstructor.CreateFromClojureExpr(
String.Format(@"(com.microsoft.eventhubs.bolt.EventHubBolt. (com.microsoft.eventhubs.bolt.EventHubBoltConfig. " +
@"""{0}"" ""{1}"" ""{2}"" ""{3}"" ""{4}"" {5}))",
ConfigurationManager.AppSettings["EventHubPolicyName"],
ConfigurationManager.AppSettings["EventHubPolicyKey"],
ConfigurationManager.AppSettings["EventHubNamespace"],
"servicebus.windows.net", //suffix for servicebus fqdn
ConfigurationManager.AppSettings["EventHubName"],
"true"));
topologyBuilder.SetJavaBolt(
"EventHubBolt",
constructor,
partitionCount). //Parallelism hint uses partition count
shuffleGrouping("Spout"); //Consume data from spout
StormConfig config = new StormConfig();
config.setNumWorkers(1); //Set the number of workers
topologyBuilder.SetTopologyConfig(config);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(DocumentDbReaderTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
typeof(VehicleRecordGeneratorSpout).Name, //Set task name
VehicleRecordGeneratorSpout.Get, //Set task constructor delegate
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpout.OutputFields }
},
1,
true);
topologyBuilder.SetBolt(
typeof(DocumentDbLookupBolt).Name, //Set task name
DocumentDbLookupBolt.Get, //Set task constructor delegate
//Set the output field names - As DocumentDb return a JSON object, we will be expecting only 1 field
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpout.OutputFields }
},
//Or, new Dictionary<string, List<string>>() { { Constants.DEFAULT_STREAM_ID, new List<string>() { "Vehicle" } },
1,
true).
globalGrouping(typeof(VehicleRecordGeneratorSpout).Name);
//Log the looked up records
topologyBuilder.SetBolt(
typeof(DocumentDbLookupBolt).Name + typeof(LoggerBolt).Name, //Set task name
LoggerBolt.Get, //Set task constructor delegate
new Dictionary <string, List <string> >(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1,
true).
globalGrouping(typeof(DocumentDbLookupBolt).Name);
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topologyBuilder = new TopologyBuilder("HybridTopology_javaSpout_csharpBolt");
// Demo how to set parameters to initialize the constructor of Java Spout/Bolt
JavaComponentConstructor generatorConfig = new JavaComponentConstructor(
"microsoft.scp.example.HybridTopology.GeneratorConfig",
new List<Tuple<string, object>>()
{
Tuple.Create<string, object>(JavaComponentConstructor.JAVA_PRIMITIVE_TYPE_INT, 100),
Tuple.Create<string, object>(JavaComponentConstructor.JAVA_LANG_STRING, "test")
});
JavaComponentConstructor generator = new JavaComponentConstructor(
"microsoft.scp.example.HybridTopology.Generator",
new List<Tuple<string, object>>()
{
Tuple.Create<string, object>("microsoft.scp.example.HybridTopology.GeneratorConfig", generatorConfig)
});
topologyBuilder.SetJavaSpout(
"generator",
generator,
1);
// Demo how to set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, fullname of the Java JSON Serializer class is required
List<string> javaSerializerInfo = new List<string>() { "microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer" };
topologyBuilder.SetBolt(
"displayer",
Displayer.Get,
new Dictionary<string, List<string>>(),
1).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("generator");
// Demo how to set topology config
StormConfig conf = new StormConfig();
conf.setNumWorkers(1);
conf.setWorkerChildOps("-Xmx1024m");
conf.Set("topology.kryo.register", "[\"[B\"]");
topologyBuilder.SetTopologyConfig(conf);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topologyBuilder = new TopologyBuilder(typeof(SimpleHybridTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
var eventHubPartitions = int.Parse(ConfigurationManager.AppSettings["EventHubPartitions"]);
topologyBuilder.SetEventHubSpout(
"com.microsoft.eventhubs.spout.EventHubSpout",
new EventHubSpoutConfig(
ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"],
ConfigurationManager.AppSettings["EventHubSharedAccessKey"],
ConfigurationManager.AppSettings["EventHubNamespace"],
ConfigurationManager.AppSettings["EventHubEntityPath"],
eventHubPartitions),
eventHubPartitions);
var javaSerializerInfo = new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer"
};
var boltConfig = new StormConfig();
topologyBuilder.SetBolt(
typeof(ThresholdBolt).Name,
ThresholdBolt.Get,
new Dictionary <string, List <string> >()
{
},
eventHubPartitions,
true
).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("com.microsoft.eventhubs.spout.EventHubSpout").
addConfigurations(boltConfig);
var topologyConfig = new StormConfig();
topologyConfig.setMaxSpoutPending(8192);
topologyConfig.setNumWorkers(eventHubPartitions);
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(SqlAzureWriterTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
//Component tasks expect output field names in TopologyBuilder
topologyBuilder.SetSpout(
typeof(IISLogGeneratorSpout).Name, //Set task name
IISLogGeneratorSpout.Get, //Set task constructor delegate
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, IISLogGeneratorSpout.OutputFields }
},
1, //Set number of tasks
true //Set enableAck
);
topologyBuilder.SetBolt(
typeof(LoggerBolt).Name, //Set task name
LoggerBolt.Get, //Set task constructor delegate
new Dictionary <string, List <string> >(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(IISLogGeneratorSpout).Name);
topologyBuilder.SetBolt(
typeof(SqlAzureBolt).Name, //Set task name
SqlAzureBolt.Get, //Set task constructor delegate
new Dictionary <string, List <string> >(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(IISLogGeneratorSpout).Name);
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(HBaseWriterTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
typeof(VehicleRecordGeneratorSpout).Name, //Set task name
VehicleRecordGeneratorSpout.Get, //Set task constructor delegate
new Dictionary<string, List<string>>() { { Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpout.OutputFields } },
1, //Set number of tasks
true //Set enableAck
);
topologyBuilder.SetBolt(
typeof(VehicleRecordGeneratorSpout).Name + typeof(LoggerBolt).Name, //Set task name
LoggerBolt.Get, //Set task constructor delegate
new Dictionary<string, List<string>>(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(VehicleRecordGeneratorSpout).Name);
var boltConfig = new StormConfig();
boltConfig.Set("topology.tick.tuple.freq.secs", "5");
topologyBuilder.SetBolt(
typeof(HBaseBolt).Name, //Set task name
HBaseBolt.Get, //Set task constructor delegate
new Dictionary<string, List<string>>(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(VehicleRecordGeneratorSpout).Name).
addConfigurations(boltConfig);
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
// Start building a new topology
TopologyBuilder topologyBuilder = new TopologyBuilder(typeof(EventHubReader).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
// Get the number of partitions in EventHub
var eventHubPartitions = int.Parse(ConfigurationManager.AppSettings["EventHubPartitions"]);
// Add the EvetnHubSpout to the topology. Set parallelism hint to the number of partitions
topologyBuilder.SetEventHubSpout(
"com.microsoft.eventhubs.spout.EventHubSpout",
new EventHubSpoutConfig(
ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"],
ConfigurationManager.AppSettings["EventHubSharedAccessKey"],
ConfigurationManager.AppSettings["EventHubNamespace"],
ConfigurationManager.AppSettings["EventHubEntityPath"],
eventHubPartitions),
eventHubPartitions);
// Set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, full name of the Java JSON Serializer class is required
List<string> javaSerializerInfo = new List<string>() { "microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer" };
// Create a config for the bolt. It's unused here
var boltConfig = new StormConfig();
// Add the logbolt to the topology
topologyBuilder.SetBolt(
typeof(LogBolt).Name,
LogBolt.Get,
new Dictionary<string, List<string>>(),
eventHubPartitions,
true
).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("com.microsoft.eventhubs.spout.EventHubSpout");
// Create a configuration for the topology
var topologyConfig = new StormConfig();
// Increase max pending for the spout
topologyConfig.setMaxSpoutPending(8192);
// Parallelism hint for the number of workers to match the number of EventHub partitions
topologyConfig.setNumWorkers(eventHubPartitions);
// Add the config and return the topology builder
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(HBaseLookupTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
typeof(VehicleRecordGeneratorSpoutForHBase).Name, //Set task name
VehicleRecordGeneratorSpoutForHBase.Get, //Set task constructor delegate
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpoutForHBase.OutputFields }
},
1, //Set number of tasks
true //Set enableAck
);
topologyBuilder.SetBolt(
typeof(HBaseLookupBolt).Name, //Set task name
HBaseLookupBolt.Get, //Set task constructor delegate
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpoutForHBase.OutputFields }
},
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(VehicleRecordGeneratorSpoutForHBase).Name);
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
TransactionalTopologyBuilder topologyBuilder = new TransactionalTopologyBuilder("HybridTopologyTx_javaSpout_csharpBolt");
// Demo how to use clojure code (in string) to initialize the constructor of Java Spout/Bolt
JavaComponentConstructor constructor = JavaComponentConstructor.CreateFromClojureExpr("(microsoft.scp.example.HybridTopology.TxGenerator. 100 \"test\" nil)");
topologyBuilder.SetJavaSpout(
"generator",
constructor,
1);
// Demo how to set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, fullname of the Java JSON Serializer class is required
List <string> javaSerializerInfo = new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer"
};
topologyBuilder.SetBolt(
"displayer",
SCPTxBolt.SCP_TX_COMMIT_BOLT,
TxDisplayer.Get,
new Dictionary <string, List <string> >(),
1).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("generator");
// Demo how to set topology config
StormConfig conf = new StormConfig();
conf.setNumWorkers(1);
conf.setWorkerChildOps("-Xmx1024m");
conf.Set("topology.kryo.register", "[\"[B\"]");
topologyBuilder.SetTopologyConfig(conf);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(DocumentDBWriterTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
topologyBuilder.SetSpout(
typeof(VehicleRecordGeneratorSpoutForDocumentDB).Name, //Set task name
VehicleRecordGeneratorSpoutForDocumentDB.Get, //Set task constructor delegate
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, VehicleRecordGeneratorSpoutForDocumentDB.OutputFields }
},
1, //Set number of tasks
true //Set enableAck
);
//Store the incoming Vehicle records in DocumentDb
topologyBuilder.SetBolt(
typeof(DocumentDbBolt).Name, //Set task name
DocumentDbBolt.Get, //Set task constructor delegate
new Dictionary <string, List <string> >(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
globalGrouping(typeof(VehicleRecordGeneratorSpoutForDocumentDB).Name); //Choose grouping
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(1); //Set number of worker processes
topologyConfig.setMaxSpoutPending(512); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx768m"); //Set Java Heap Size
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topologyBuilder = new TopologyBuilder(typeof(EventCountHybridTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
var eventHubPartitions = int.Parse(ConfigurationManager.AppSettings["EventHubPartitions"]);
topologyBuilder.SetEventHubSpout(
"com.microsoft.eventhubs.spout.EventHubSpout",
new EventHubSpoutConfig(
ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"],
ConfigurationManager.AppSettings["EventHubSharedAccessKey"],
ConfigurationManager.AppSettings["EventHubNamespace"],
ConfigurationManager.AppSettings["EventHubEntityPath"],
eventHubPartitions),
eventHubPartitions);
// Set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, full name of the Java JSON Serializer class is required
List <string> javaSerializerInfo = new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer"
};
var boltConfig = new StormConfig();
boltConfig.Set("topology.tick.tuple.freq.secs", "1");
topologyBuilder.SetBolt(
typeof(PartialCountBolt).Name,
PartialCountBolt.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"partialCount"
} }
},
eventHubPartitions,
true
).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("com.microsoft.eventhubs.spout.EventHubSpout").
addConfigurations(boltConfig);
topologyBuilder.SetBolt(
typeof(GlobalCountBolt).Name,
GlobalCountBolt.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"timestamp", "totalCount"
} }
},
1,
true).
globalGrouping(typeof(PartialCountBolt).Name).
addConfigurations(boltConfig);
var topologyConfig = new StormConfig();
topologyConfig.setMaxSpoutPending(8192);
topologyConfig.setNumWorkers(eventHubPartitions);
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(EventHubReaderTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
var EventHubNamespace = ConfigurationManager.AppSettings["EventHubNamespace"];
if (String.IsNullOrWhiteSpace(EventHubNamespace))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubNamespace");
}
var EventHubEntityPath = ConfigurationManager.AppSettings["EventHubEntityPath"];
if (String.IsNullOrWhiteSpace(EventHubEntityPath))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubEntityPath");
}
var EventHubSharedAccessKeyName = ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"];
if (String.IsNullOrWhiteSpace(EventHubSharedAccessKeyName))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubSharedAccessKeyName");
}
var EventHubSharedAccessKey = ConfigurationManager.AppSettings["EventHubSharedAccessKey"];
if (String.IsNullOrWhiteSpace(EventHubSharedAccessKey))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubSharedAccessKey");
}
var EventHubPartitions = ConfigurationManager.AppSettings["EventHubPartitions"];
if (String.IsNullOrWhiteSpace(EventHubPartitions))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubPartitions");
}
var partitionCount = int.Parse(EventHubPartitions);
//You can use the new SetEventHubSpout method by providing EventHubSpoutConfig which will automatically create Java code to instantiate this spout
//TODO: This method will not work if you do not include EventHub jar during publishing or deployment of this topology
topologyBuilder.SetEventHubSpout(
"EventHubSpout", //Set task name
new EventHubSpoutConfig(
EventHubSharedAccessKeyName,
EventHubSharedAccessKey,
EventHubNamespace,
EventHubEntityPath,
partitionCount),
partitionCount
);
//For a hybrid topology we need to declare a customize Java serializer that will serialize Java objects which will deseriailized in the bolt into C# objects
topologyBuilder.SetBolt(
typeof(LoggerBolt).Name, //Set task name
LoggerBolt.Get, //Set task constructor delegate
new Dictionary <string, List <string> >(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
DeclareCustomizedJavaSerializer(new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer"
}).
globalGrouping("EventHubSpout");
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(4); //Set number of worker processes
topologyConfig.setMaxSpoutPending(1024); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx1024m"); //Set Java Heap Size
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topologyBuilder = new TopologyBuilder("AlertTopology");
var eventHubPartitions = int.Parse(ConfigurationManager.AppSettings["EventHubPartitions"]);
topologyBuilder.SetEventHubSpout(
"EventHubSpout",
new EventHubSpoutConfig(
ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"],
ConfigurationManager.AppSettings["EventHubSharedAccessKey"],
ConfigurationManager.AppSettings["EventHubNamespace"],
ConfigurationManager.AppSettings["EventHubEntityPath"],
eventHubPartitions),
eventHubPartitions);
// Set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, full name of the Java JSON Serializer class is required
List <string> javaSerializerInfo = new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer"
};
var boltConfig = new StormConfig();
topologyBuilder.SetBolt(
typeof(ParserBolt).Name,
ParserBolt.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"temp", "createDate", "deviceId"
} }
},
eventHubPartitions,
enableAck: true
).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("EventHubSpout").
addConfigurations(boltConfig);
topologyBuilder.SetBolt(
typeof(EmitAlertBolt).Name,
EmitAlertBolt.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"reason", "temp", "createDate", "deviceId"
} }
},
eventHubPartitions,
enableAck: true
).
shuffleGrouping(typeof(ParserBolt).Name).
addConfigurations(boltConfig);
var topologyConfig = new StormConfig();
topologyConfig.setMaxSpoutPending(8192);
topologyConfig.setNumWorkers(eventHubPartitions);
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
// Start building a new topology
TopologyBuilder topologyBuilder = new TopologyBuilder(typeof(EventHubReader).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
// Get the number of partitions in EventHub
var eventHubPartitions = int.Parse(ConfigurationManager.AppSettings["EventHubPartitions"]);
// Add the EvetnHubSpout to the topology using the SetEventHubSpout and EventHubSpoutConfig helper methods.
// NOTE: These methods set the spout to read data in a String encoding.
/*
* topologyBuilder.SetEventHubSpout(
* "EventHubSpout",
* new EventHubSpoutConfig(
* ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"],
* ConfigurationManager.AppSettings["EventHubSharedAccessKey"],
* ConfigurationManager.AppSettings["EventHubNamespace"],
* ConfigurationManager.AppSettings["EventHubEntityPath"],
* eventHubPartitions),
* eventHubPartitions);
*/
// The following is an example of how to create the same spout using the JavaComponentConstructor,
// which allows us to use UTF-8 encoding for reads.
// NOTE!!!! This only works with the 9.5 version of the Event Hub components, which are located at
// https://github.com/hdinsight/hdinsight-storm-examples/blob/master/lib/eventhubs/
// Create the UTF-8 data scheme
var schemeConstructor = new JavaComponentConstructor("com.microsoft.eventhubs.spout.UnicodeEventDataScheme");
// Create the EventHubSpoutConfig
var eventHubSpoutConfig = new JavaComponentConstructor(
"com.microsoft.eventhubs.spout.EventHubSpoutConfig",
new List <Tuple <string, object> >()
{
//comment
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"]),
//comment
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubSharedAccessKey"]),
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubNamespace"]),
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubEntityPath"]),
Tuple.Create <string, object>("int", eventHubPartitions),
Tuple.Create <string, object>("com.microsoft.eventhubs.spout.IEventDataScheme", schemeConstructor)
}
);
// Create the spout
var eventHubSpout = new JavaComponentConstructor(
"com.microsoft.eventhubs.spout.EventHubSpout",
new List <Tuple <string, object> >()
{
Tuple.Create <string, object>("com.microsoft.eventhubs.spout.EventHubSpoutConfig", eventHubSpoutConfig)
}
);
// Set the spout in the topology
topologyBuilder.SetJavaSpout("EventHubSpout", eventHubSpout, eventHubPartitions);
// Set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, full name of the Java JSON Serializer class is required
List <string> javaSerializerInfo = new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer"
};
// Create a config for the bolt. It's unused here
var boltConfig = new StormConfig();
// Add the logbolt to the topology
// Use a serializer to understand data from the Java component
topologyBuilder.SetBolt(
typeof(LogBolt).Name,
LogBolt.Get,
new Dictionary <string, List <string> >(),
eventHubPartitions,
true
).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("EventHubSpout");
// Create a configuration for the topology
var topologyConfig = new StormConfig();
// Increase max pending for the spout
topologyConfig.setMaxSpoutPending(8192);
// Parallelism hint for the number of workers to match the number of EventHub partitions
topologyConfig.setNumWorkers(eventHubPartitions);
// Add the config and return the topology builder
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var enableAck = bool.Parse(ConfigurationManager.AppSettings["EnableAck"]);
TopologyBuilder topologyBuilder =
new TopologyBuilder(typeof(EventCountHybridTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
var eventHubPartitions = int.Parse(ConfigurationManager.AppSettings["EventHubPartitions"]);
var eventHubSpoutConfig = new JavaComponentConstructor(
"com.microsoft.eventhubs.spout.EventHubSpoutConfig",
new List <Tuple <string, object> >()
{
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"]),
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubSharedAccessKey"]),
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubNamespace"]),
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubEntityPath"]),
Tuple.Create <string, object>("int", eventHubPartitions),
Tuple.Create <string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ""),
Tuple.Create <string, object>("int", 10),
Tuple.Create <string, object>("int", 1024),
Tuple.Create <string, object>("int", 1024 * eventHubPartitions),
Tuple.Create <string, object>("long", 0),
}
);
var eventHubSpout = new JavaComponentConstructor(
"com.microsoft.eventhubs.spout.EventHubSpout",
new List <Tuple <string, object> >()
{
Tuple.Create <string, object>("com.microsoft.eventhubs.spout.EventHubSpoutConfig", eventHubSpoutConfig)
}
);
topologyBuilder.SetJavaSpout("com.microsoft.eventhubs.spout.EventHubSpout", eventHubSpout, eventHubPartitions);
// Set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, full name of the Java JSON Serializer class is required
List <string> javaSerializerInfo = new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer"
};
var boltConfig = new StormConfig();
boltConfig.Set("topology.tick.tuple.freq.secs", "1");
topologyBuilder.SetBolt(
typeof(PartialCountBolt).Name,
PartialCountBolt.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"partialCount"
} }
},
eventHubPartitions,
enableAck
).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("com.microsoft.eventhubs.spout.EventHubSpout").
addConfigurations(boltConfig);
topologyBuilder.SetBolt(
typeof(DBGlobalCountBolt).Name,
DBGlobalCountBolt.Get,
new Dictionary <string, List <string> >(),
1,
enableAck).
globalGrouping(typeof(PartialCountBolt).Name).
addConfigurations(boltConfig);
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(eventHubPartitions);
if (enableAck)
{
topologyConfig.setNumAckers(eventHubPartitions);
}
else
{
topologyConfig.setNumAckers(0);
}
topologyConfig.setWorkerChildOps("-Xmx1g");
topologyConfig.setMaxSpoutPending((1024 * 1024) / 100);
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
appConfig = new AppConfig();
TopologyBuilder topologyBuilder = new TopologyBuilder(this.GetType().Name);
topologyBuilder.SetEventHubSpout(
"EventHubSpout",
new EventHubSpoutConfig(
appConfig.EventHubSharedAccessKeyName,
appConfig.EventHubSharedAccessKey,
appConfig.EventHubNamespace,
appConfig.EventHubEntityPath,
appConfig.EventHubPartitions),
appConfig.EventHubPartitions);
// Set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, fullname of the Java JSON Serializer class is required
List <string> javaSerializerInfo = new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer"
};
topologyBuilder.SetBolt(
typeof(EventAggregator).Name,
EventAggregator.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"AggregationTimestamp", "PrimaryKey", "SecondaryKey", "AggregatedValue"
} }
},
appConfig.EventHubPartitions,
true
).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("EventHubSpout");
//You can also setup a Ranker bolt to maintain top N records
/*
* topologyBuilder.SetBolt(
* typeof(EventRanker).Name,
* EventRanker.Get,
* new Dictionary<string, List<string>>()
* {
* {Constants.DEFAULT_STREAM_ID, new List<string>(){ "AggregationTimestamp", "PrimaryKey", "SecondaryKey", "AggregatedValue" } }
* },
* appConfig.EventHubPartitions / 2
* ).
* fieldsGrouping(typeof(EventAggregator).Name, new List<int>() { 0, 1, 2 });
*/
topologyBuilder.SetBolt(
typeof(EventHBaseWriter).Name,
EventHBaseWriter.Get,
new Dictionary <string, List <string> >(),
appConfig.EventHubPartitions / 4).
fieldsGrouping(typeof(EventAggregator).Name, new List <int>()
{
0, 1, 2
});
//Assuming a 4 'Large' node cluster we will use half of the worker slots for this topology
//The default JVM heap size for workers is 768m, we also increase that to 1024m
//That helps the java spout have additional heap size at disposal.
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(8);
topologyConfig.setMaxSpoutPending(1000);
topologyConfig.setWorkerChildOps("-Xmx1024m");
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
TopologyBuilder topologyBuilder = new TopologyBuilder(typeof(AlarmsOnAggregatesTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
var eventHubPartitions = int.Parse(ConfigurationManager.AppSettings["EventHubPartitions"]);
topologyBuilder.SetEventHubSpout(
"com.microsoft.eventhubs.spout.EventHubSpout",
new EventHubSpoutConfig(
ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"],
ConfigurationManager.AppSettings["EventHubSharedAccessKey"],
ConfigurationManager.AppSettings["EventHubNamespace"],
ConfigurationManager.AppSettings["EventHubEntityPath"],
eventHubPartitions),
eventHubPartitions);
List <string> javaSerializerInfo = new List <string>()
{
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer"
};
//FLATT MESSAGES
topologyBuilder.SetBolt(
typeof(FlattBolt).Name,
FlattBolt.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"sensor"
} }
},
eventHubPartitions,
true
).DeclareCustomizedJavaSerializer(javaSerializerInfo)
.shuffleGrouping("com.microsoft.eventhubs.spout.EventHubSpout");
//AGGREGATE MESSAGES
var boltConfig = new StormConfig();
boltConfig.Set("topology.tick.tuple.freq.secs", "10");
topologyBuilder.SetBolt(
typeof(AggregateBolt).Name,
AggregateBolt.Get,
new Dictionary <string, List <string> >()
{
{ Constants.DEFAULT_STREAM_ID, new List <string>()
{
"aggregated"
} }
},
parallelismHint: 1,
enableAck: false
)
.globalGrouping(typeof(FlattBolt).Name)
.addConfigurations(boltConfig);
//ALARMS MESSAGES
topologyBuilder.SetBolt(
typeof(AlarmsBolt).Name,
AlarmsBolt.Get,
new Dictionary <string, List <string> >()
{
},
parallelismHint: 4,
enableAck: false
).shuffleGrouping(typeof(AggregateBolt).Name);
var topologyConfig = new StormConfig();
topologyConfig.setMaxSpoutPending(8192);
topologyConfig.setNumWorkers(eventHubPartitions);
topologyBuilder.SetTopologyConfig(topologyConfig);
return(topologyBuilder);
}
public ITopologyBuilder GetTopologyBuilder()
{
var enableAck = bool.Parse(ConfigurationManager.AppSettings["EnableAck"]);
TopologyBuilder topologyBuilder =
new TopologyBuilder(typeof(EventCountHybridTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
var eventHubPartitions = int.Parse(ConfigurationManager.AppSettings["EventHubPartitions"]);
var eventHubSpoutConfig = new JavaComponentConstructor(
"com.microsoft.eventhubs.spout.EventHubSpoutConfig",
new List<Tuple<string, object>>()
{
Tuple.Create<string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"]),
Tuple.Create<string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubSharedAccessKey"]),
Tuple.Create<string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubNamespace"]),
Tuple.Create<string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ConfigurationManager.AppSettings["EventHubEntityPath"]),
Tuple.Create<string, object>("int", eventHubPartitions),
Tuple.Create<string, object>(JavaComponentConstructor.JAVA_LANG_STRING, ""),
Tuple.Create<string, object>("int", 10),
Tuple.Create<string, object>("int", 1024),
Tuple.Create<string, object>("int", 1024*eventHubPartitions),
Tuple.Create<string, object>("long", 0),
}
);
var eventHubSpout = new JavaComponentConstructor(
"com.microsoft.eventhubs.spout.EventHubSpout",
new List<Tuple<string, object>>()
{
Tuple.Create<string, object>("com.microsoft.eventhubs.spout.EventHubSpoutConfig", eventHubSpoutConfig)
}
);
topologyBuilder.SetJavaSpout("com.microsoft.eventhubs.spout.EventHubSpout", eventHubSpout, eventHubPartitions);
// Set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, full name of the Java JSON Serializer class is required
List<string> javaSerializerInfo = new List<string>() {
"microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer" };
var boltConfig = new StormConfig();
boltConfig.Set("topology.tick.tuple.freq.secs", "1");
topologyBuilder.SetBolt(
typeof(PartialCountBolt).Name,
PartialCountBolt.Get,
new Dictionary<string, List<string>>()
{
{Constants.DEFAULT_STREAM_ID, new List<string>(){ "partialCount" } }
},
eventHubPartitions,
enableAck
).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("com.microsoft.eventhubs.spout.EventHubSpout").
addConfigurations(boltConfig);
topologyBuilder.SetBolt(
typeof(DBGlobalCountBolt).Name,
DBGlobalCountBolt.Get,
new Dictionary<string, List<string>>(),
1,
enableAck).
globalGrouping(typeof(PartialCountBolt).Name).
addConfigurations(boltConfig);
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(eventHubPartitions);
if (enableAck)
{
topologyConfig.setNumAckers(eventHubPartitions);
}
else
{
topologyConfig.setNumAckers(0);
}
topologyConfig.setWorkerChildOps("-Xmx1g");
topologyConfig.setMaxSpoutPending((1024*1024)/100);
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
var topologyBuilder = new TopologyBuilder(typeof(EventHubReaderTopology).Name + DateTime.Now.ToString("yyyyMMddHHmmss"));
var EventHubNamespace = ConfigurationManager.AppSettings["EventHubNamespace"];
if (String.IsNullOrWhiteSpace(EventHubNamespace))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubNamespace");
}
var EventHubEntityPath = ConfigurationManager.AppSettings["EventHubEntityPath"];
if (String.IsNullOrWhiteSpace(EventHubEntityPath))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubEntityPath");
}
var EventHubSharedAccessKeyName = ConfigurationManager.AppSettings["EventHubSharedAccessKeyName"];
if (String.IsNullOrWhiteSpace(EventHubSharedAccessKeyName))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubSharedAccessKeyName");
}
var EventHubSharedAccessKey = ConfigurationManager.AppSettings["EventHubSharedAccessKey"];
if (String.IsNullOrWhiteSpace(EventHubSharedAccessKey))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubSharedAccessKey");
}
var EventHubPartitions = ConfigurationManager.AppSettings["EventHubPartitions"];
if (String.IsNullOrWhiteSpace(EventHubPartitions))
{
throw new ArgumentException("A required AppSetting cannot be null or empty", "EventHubPartitions");
}
var partitionCount = int.Parse(EventHubPartitions);
//You can use the new SetEventHubSpout method by providing EventHubSpoutConfig which will automatically create Java code to instantiate this spout
//TODO: This method will not work if you do not include EventHub jar during publishing or deployment of this topology
topologyBuilder.SetEventHubSpout(
"EventHubSpout", //Set task name
new EventHubSpoutConfig(
EventHubSharedAccessKeyName,
EventHubSharedAccessKey,
EventHubNamespace,
EventHubEntityPath,
partitionCount),
partitionCount
);
//For a hybrid topology we need to declare a customize Java serializer that will serialize Java objects which will deseriailized in the bolt into C# objects
topologyBuilder.SetBolt(
typeof(LoggerBolt).Name, //Set task name
LoggerBolt.Get, //Set task constructor delegate
new Dictionary<string, List<string>>(), //Leave empty if the task has no outputSchema defined i.e. no outgoing tuples
1, //Set number of tasks
true //Set enableAck
).
DeclareCustomizedJavaSerializer(new List<string>() { "microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer" } ).
globalGrouping("EventHubSpout");
//Set the topology config
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(4); //Set number of worker processes
topologyConfig.setMaxSpoutPending(1024); //Set maximum pending tuples from spout
topologyConfig.setWorkerChildOps("-Xmx1024m"); //Set Java Heap Size
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
appConfig = new AppConfig();
TopologyBuilder topologyBuilder = new TopologyBuilder(this.GetType().Name);
topologyBuilder.SetEventHubSpout(
"EventHubSpout",
new EventHubSpoutConfig(
appConfig.EventHubSharedAccessKeyName,
appConfig.EventHubSharedAccessKey,
appConfig.EventHubNamespace,
appConfig.EventHubEntityPath,
appConfig.EventHubPartitions),
appConfig.EventHubPartitions);
// Set a customized JSON Serializer to serialize a Java object (emitted by Java Spout) into JSON string
// Here, fullname of the Java JSON Serializer class is required
List<string> javaSerializerInfo = new List<string>() { "microsoft.scp.storm.multilang.CustomizedInteropJSONSerializer" };
topologyBuilder.SetBolt(
typeof(EventAggregator).Name,
EventAggregator.Get,
new Dictionary<string, List<string>>()
{
{Constants.DEFAULT_STREAM_ID, new List<string>(){ "AggregationTimestamp", "PrimaryKey", "SecondaryKey", "AggregatedValue" } }
},
appConfig.EventHubPartitions,
true
).
DeclareCustomizedJavaSerializer(javaSerializerInfo).
shuffleGrouping("EventHubSpout");
//You can also setup a Ranker bolt to maintain top N records
/*
topologyBuilder.SetBolt(
typeof(EventRanker).Name,
EventRanker.Get,
new Dictionary<string, List<string>>()
{
{Constants.DEFAULT_STREAM_ID, new List<string>(){ "AggregationTimestamp", "PrimaryKey", "SecondaryKey", "AggregatedValue" } }
},
appConfig.EventHubPartitions / 2
).
fieldsGrouping(typeof(EventAggregator).Name, new List<int>() { 0, 1, 2 });
*/
topologyBuilder.SetBolt(
typeof(EventHBaseWriter).Name,
EventHBaseWriter.Get,
new Dictionary<string, List<string>>(),
appConfig.EventHubPartitions / 4).
fieldsGrouping(typeof(EventAggregator).Name, new List<int>() { 0, 1, 2 });
//Assuming a 4 'Large' node cluster we will use half of the worker slots for this topology
//The default JVM heap size for workers is 768m, we also increase that to 1024m
//That helps the java spout have additional heap size at disposal.
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(8);
topologyConfig.setMaxSpoutPending(1000);
topologyConfig.setWorkerChildOps("-Xmx1024m");
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
public ITopologyBuilder GetTopologyBuilder()
{
appConfig = new AppConfig();
TopologyBuilder topologyBuilder = new TopologyBuilder(this.GetType().Name);
topologyBuilder.SetSpout(
typeof(EventGenerator).Name,
EventGenerator.Get,
new Dictionary<string, List<string>>()
{
{Constants.DEFAULT_STREAM_ID, new List<string>(){"Event"}}
},
appConfig.EventHubPartitions
);
topologyBuilder.SetBolt(
typeof(EventHubWriter).Name,
EventHubWriter.Get,
new Dictionary<string, List<string>>(),
appConfig.EventHubPartitions
).
shuffleGrouping(typeof(EventGenerator).Name);
var topologyConfig = new StormConfig();
topologyConfig.setNumWorkers(8);
topologyConfig.setMaxSpoutPending(1600);
topologyBuilder.SetTopologyConfig(topologyConfig);
return topologyBuilder;
}
