use of storm.trident.tuple.TridentTuple.Factory in project jstorm by alibaba.
the class MultiReducerProcessor method prepare.
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
List<Factory> parents = tridentContext.getParentTupleFactories();
_context = tridentContext;
_streamToIndex = new HashMap<String, Integer>();
List<String> parentStreams = tridentContext.getParentStreams();
for (int i = 0; i < parentStreams.size(); i++) {
_streamToIndex.put(parentStreams.get(i), i);
}
_projectionFactories = new ProjectionFactory[_projectFields.size()];
for (int i = 0; i < _projectFields.size(); i++) {
_projectionFactories[i] = new ProjectionFactory(parents.get(i), _projectFields.get(i));
}
_collector = new FreshCollector(tridentContext);
_reducer.prepare(conf, new TridentMultiReducerContext((List) Arrays.asList(_projectionFactories)));
}
use of storm.trident.tuple.TridentTuple.Factory in project jstorm by alibaba.
the class PartitionPersistProcessor method prepare.
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
List<Factory> parents = tridentContext.getParentTupleFactories();
if (parents.size() != 1) {
throw new RuntimeException("Partition persist operation can only have one parent");
}
_context = tridentContext;
_state = (State) context.getTaskData(_stateId);
_projection = new ProjectionFactory(parents.get(0), _inputFields);
_collector = new FreshCollector(tridentContext);
_updater.prepare(conf, new TridentOperationContext(context, _projection));
}
use of storm.trident.tuple.TridentTuple.Factory in project jstorm by alibaba.
the class StateQueryProcessor method prepare.
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
List<Factory> parents = tridentContext.getParentTupleFactories();
if (parents.size() != 1) {
throw new RuntimeException("State query operation can only have one parent");
}
_context = tridentContext;
_state = (State) context.getTaskData(_stateId);
_projection = new ProjectionFactory(parents.get(0), _inputFields);
_collector = new AppendCollector(tridentContext);
_function.prepare(conf, new TridentOperationContext(context, _projection));
}
use of storm.trident.tuple.TridentTuple.Factory in project jstorm by alibaba.
the class SubtopologyBolt method prepare.
@Override
public void prepare(Map conf, TopologyContext context, BatchOutputCollector batchCollector) {
int thisComponentNumTasks = context.getComponentTasks(context.getThisComponentId()).size();
for (Node n : _nodes) {
if (n.stateInfo != null) {
State s = n.stateInfo.spec.stateFactory.makeState(conf, context, context.getThisTaskIndex(), thisComponentNumTasks);
context.setTaskData(n.stateInfo.id, s);
}
}
DirectedSubgraph<Node, Object> subgraph = new DirectedSubgraph(_graph, _nodes, null);
TopologicalOrderIterator it = new TopologicalOrderIterator<Node, Object>(subgraph);
int stateIndex = 0;
while (it.hasNext()) {
Node n = (Node) it.next();
if (n instanceof ProcessorNode) {
ProcessorNode pn = (ProcessorNode) n;
String batchGroup = _batchGroups.get(n);
if (!_myTopologicallyOrdered.containsKey(batchGroup)) {
_myTopologicallyOrdered.put(batchGroup, new ArrayList());
}
_myTopologicallyOrdered.get(batchGroup).add(pn.processor);
List<String> parentStreams = new ArrayList();
List<Factory> parentFactories = new ArrayList();
for (Node p : TridentUtils.getParents(_graph, n)) {
parentStreams.add(p.streamId);
if (_nodes.contains(p)) {
parentFactories.add(_outputFactories.get(p));
} else {
if (!_roots.containsKey(p.streamId)) {
_roots.put(p.streamId, new InitialReceiver(p.streamId, getSourceOutputFields(context, p.streamId)));
}
_roots.get(p.streamId).addReceiver(pn.processor);
parentFactories.add(_roots.get(p.streamId).getOutputFactory());
}
}
List<TupleReceiver> targets = new ArrayList();
boolean outgoingNode = false;
for (Node cn : TridentUtils.getChildren(_graph, n)) {
if (_nodes.contains(cn)) {
targets.add(((ProcessorNode) cn).processor);
} else {
outgoingNode = true;
}
}
if (outgoingNode) {
targets.add(new BridgeReceiver(batchCollector));
}
TridentContext triContext = new TridentContext(pn.selfOutFields, parentFactories, parentStreams, targets, pn.streamId, stateIndex, batchCollector);
pn.processor.prepare(conf, context, triContext);
_outputFactories.put(n, pn.processor.getOutputFactory());
}
stateIndex++;
}
// TODO: get prepared one time into executor data... need to avoid the ser/deser
// for each task (probably need storm to support boltfactory)
}
use of storm.trident.tuple.TridentTuple.Factory in project jstorm by alibaba.
the class AggregateProcessor method prepare.
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
List<Factory> parents = tridentContext.getParentTupleFactories();
if (parents.size() != 1) {
throw new RuntimeException("Aggregate operation can only have one parent");
}
_context = tridentContext;
_collector = new FreshCollector(tridentContext);
_projection = new ProjectionFactory(parents.get(0), _inputFields);
_agg.prepare(conf, new TridentOperationContext(context, _projection));
}
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