Examples with Factory storm.trident.tuple.TridentTuple.Factory used on opensource projects

Example 11 with Factory

use of storm.trident.tuple.TridentTuple.Factory in project jstorm by alibaba.

the class EachProcessor method prepare.

@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
    List<Factory> parents = tridentContext.getParentTupleFactories();
    if (parents.size() != 1) {
        throw new RuntimeException("Each operation can only have one parent");
    }
    _context = tridentContext;
    _collector = new AppendCollector(tridentContext);
    _projection = new ProjectionFactory(parents.get(0), _inputFields);
    _function.prepare(conf, new TridentOperationContext(context, _projection));
}

Example 12 with Factory

use of storm.trident.tuple.TridentTuple.Factory in project storm by nathanmarz.

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));
}