use of org.apache.storm.flux.model.BoltDef in project storm by apache.
the class FluxBuilder method buildStreamDefinitions.
/**
* Builds stream definitions.
* @param context context
* @param builder builder
*/
private static void buildStreamDefinitions(ExecutionContext context, TopologyBuilder builder) throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException, NoSuchFieldException {
TopologyDef topologyDef = context.getTopologyDef();
// process stream definitions
HashMap<String, BoltDeclarer> declarers = new HashMap<String, BoltDeclarer>();
for (StreamDef stream : topologyDef.getStreams()) {
Object boltObj = context.getBolt(stream.getTo());
BoltDeclarer declarer = declarers.get(stream.getTo());
if (boltObj instanceof IRichBolt) {
if (declarer == null) {
declarer = builder.setBolt(stream.getTo(), (IRichBolt) boltObj, topologyDef.parallelismForBolt(stream.getTo()));
declarers.put(stream.getTo(), declarer);
}
} else if (boltObj instanceof IBasicBolt) {
if (declarer == null) {
declarer = builder.setBolt(stream.getTo(), (IBasicBolt) boltObj, topologyDef.parallelismForBolt(stream.getTo()));
declarers.put(stream.getTo(), declarer);
}
} else if (boltObj instanceof IWindowedBolt) {
if (declarer == null) {
declarer = builder.setBolt(stream.getTo(), (IWindowedBolt) boltObj, topologyDef.parallelismForBolt(stream.getTo()));
declarers.put(stream.getTo(), declarer);
}
} else if (boltObj instanceof IStatefulBolt) {
if (declarer == null) {
declarer = builder.setBolt(stream.getTo(), (IStatefulBolt) boltObj, topologyDef.parallelismForBolt(stream.getTo()));
declarers.put(stream.getTo(), declarer);
}
} else {
throw new IllegalArgumentException("Class does not appear to be a bolt: " + boltObj.getClass().getName());
}
BoltDef boltDef = topologyDef.getBoltDef(stream.getTo());
if (boltDef.getOnHeapMemoryLoad() > -1) {
if (boltDef.getOffHeapMemoryLoad() > -1) {
declarer.setMemoryLoad(boltDef.getOnHeapMemoryLoad(), boltDef.getOffHeapMemoryLoad());
} else {
declarer.setMemoryLoad(boltDef.getOnHeapMemoryLoad());
}
}
if (boltDef.getCpuLoad() > -1) {
declarer.setCPULoad(boltDef.getCpuLoad());
}
if (boltDef.getNumTasks() > -1) {
declarer.setNumTasks(boltDef.getNumTasks());
}
GroupingDef grouping = stream.getGrouping();
// if the streamId is defined, use it for the grouping, otherwise assume storm's default stream
String streamId = (grouping.getStreamId() == null ? Utils.DEFAULT_STREAM_ID : grouping.getStreamId());
switch(grouping.getType()) {
case SHUFFLE:
declarer.shuffleGrouping(stream.getFrom(), streamId);
break;
case FIELDS:
// TODO check for null grouping args
declarer.fieldsGrouping(stream.getFrom(), streamId, new Fields(grouping.getArgs()));
break;
case ALL:
declarer.allGrouping(stream.getFrom(), streamId);
break;
case DIRECT:
declarer.directGrouping(stream.getFrom(), streamId);
break;
case GLOBAL:
declarer.globalGrouping(stream.getFrom(), streamId);
break;
case LOCAL_OR_SHUFFLE:
declarer.localOrShuffleGrouping(stream.getFrom(), streamId);
break;
case NONE:
declarer.noneGrouping(stream.getFrom(), streamId);
break;
case CUSTOM:
declarer.customGrouping(stream.getFrom(), streamId, buildCustomStreamGrouping(stream.getGrouping().getCustomClass(), context));
break;
default:
throw new UnsupportedOperationException("unsupported grouping type: " + grouping);
}
}
}
use of org.apache.storm.flux.model.BoltDef in project storm by apache.
the class FluxBuilder method buildBolts.
/**
* Given a list of bolt definitions, build a map of Storm bolts with the bolt definition id as the key.
* Attempt to coerce the given constructor arguments to a matching bolt constructor as much as possible.
*/
private static void buildBolts(ExecutionContext context) throws ClassNotFoundException, IllegalAccessException, InstantiationException, NoSuchMethodException, InvocationTargetException, NoSuchFieldException {
for (BoltDef def : context.getTopologyDef().getBolts()) {
Class clazz = Class.forName(def.getClassName());
Object bolt = buildObject(def, context);
context.addBolt(def.getId(), bolt);
}
}
use of org.apache.storm.flux.model.BoltDef in project storm by apache.
the class Flux method printTopologyInfo.
static void printTopologyInfo(ExecutionContext ctx) {
TopologyDef t = ctx.getTopologyDef();
if (t.isDslTopology()) {
print("---------- TOPOLOGY DETAILS ----------");
printf("Topology Name: %s", t.getName());
print("--------------- SPOUTS ---------------");
for (SpoutDef s : t.getSpouts()) {
printf("%s [%d] (%s)", s.getId(), s.getParallelism(), s.getClassName());
}
print("---------------- BOLTS ---------------");
for (BoltDef b : t.getBolts()) {
printf("%s [%d] (%s)", b.getId(), b.getParallelism(), b.getClassName());
}
print("--------------- STREAMS ---------------");
for (StreamDef sd : t.getStreams()) {
printf("%s --%s--> %s", sd.getFrom(), sd.getGrouping().getType(), sd.getTo());
}
print("--------------------------------------");
}
}
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