How to use

storm.trident.fluent.GroupedStream

constructor

@Override
public IAggregatableStream each(Fields inputFields, Function function, Fields functionFields) {
  Stream s = _stream.each(inputFields, function, functionFields);
  return new GroupedStream(s, _groupFields);
}

/**
 * ## Grouping Operation
 *
 * @param fields
 * @return
 */
public GroupedStream groupBy(Fields fields) {
  projectionValidation(fields);
  return new GroupedStream(this, fields);
}

@Override
public IAggregatableStream aggPartition(GroupedStream s) {
  return new GroupedStream(s._stream.partitionBy(_groupFields), _groupFields);
}

public GroupedStream name(String name) {
  return new GroupedStream(_stream.name(name), _groupFields);
}

@Override
public IAggregatableStream partitionAggregate(Fields inputFields, Aggregator agg, Fields functionFields) {
  Aggregator groupedAgg = new GroupedAggregator(agg, _groupFields, inputFields, functionFields.size());
  Fields allInFields = TridentUtils.fieldsUnion(_groupFields, inputFields);
  Fields allOutFields = TridentUtils.fieldsConcat(_groupFields, functionFields);
  Stream s = _stream.partitionAggregate(allInFields, groupedAgg, allOutFields);
  return new GroupedStream(s, _groupFields);
}

@Override
public IAggregatableStream each(Fields inputFields, Function function, Fields functionFields) {
  Stream s = _stream.each(inputFields, function, functionFields);
  return new GroupedStream(s, _groupFields);
}

/**
 * ## Grouping Operation
 *
 * @param fields
 * @return
 */
public GroupedStream groupBy(Fields fields) {
  projectionValidation(fields);
  return new GroupedStream(this, fields);
}

@Override
public IAggregatableStream each(Fields inputFields, Function function, Fields functionFields) {
  Stream s = _stream.each(inputFields, function, functionFields);
  return new GroupedStream(s, _groupFields);
}

public GroupedStream groupBy(Fields fields) {
  projectionValidation(fields);
  return new GroupedStream(this, fields);        
}

@Override
public IAggregatableStream aggPartition(GroupedStream s) {
  return new GroupedStream(s._stream.partitionBy(_groupFields), _groupFields);
}

@Override
public IAggregatableStream aggPartition(GroupedStream s) {
  return new GroupedStream(s._stream.partitionBy(_groupFields), _groupFields);
}

public GroupedStream name(String name) {
  return new GroupedStream(_stream.name(name), _groupFields);
}

public GroupedStream name(String name) {
  return new GroupedStream(_stream.name(name), _groupFields);
}

@Override
public IAggregatableStream partitionAggregate(Fields inputFields, Aggregator agg, Fields functionFields) {
  Aggregator groupedAgg = new GroupedAggregator(agg, _groupFields, inputFields, functionFields.size());
  Fields allInFields = TridentUtils.fieldsUnion(_groupFields, inputFields);
  Fields allOutFields = TridentUtils.fieldsConcat(_groupFields, functionFields);
  Stream s = _stream.partitionAggregate(allInFields, groupedAgg, allOutFields);
  return new GroupedStream(s, _groupFields);
}

@Override
public IAggregatableStream partitionAggregate(Fields inputFields, Aggregator agg, Fields functionFields) {
  Aggregator groupedAgg = new GroupedAggregator(agg, _groupFields, inputFields, functionFields.size());
  Fields allInFields = TridentUtils.fieldsUnion(_groupFields, inputFields);
  Fields allOutFields = TridentUtils.fieldsConcat(_groupFields, functionFields);
  Stream s = _stream.partitionAggregate(allInFields, groupedAgg, allOutFields);
  return new GroupedStream(s, _groupFields);
}