import storm.trident.tuple.ComboList; //导入依赖的package包/类
public GroupedAggregator(Aggregator agg, Fields group, Fields input, int outSize) {
    _groupFields = group;
    _inFields = input;
    _agg = agg;
    int[] sizes = new int[2];
    sizes[0] = _groupFields.size();
    sizes[1] = outSize;
    _fact = new ComboList.Factory(sizes);
}
 

import storm.trident.tuple.ComboList; //导入依赖的package包/类
public ChainedAggregatorImpl(Aggregator[] aggs, Fields[] inputFields, ComboList.Factory fact) {
    _aggs = aggs;
    _inputFields = inputFields;
    _fact = fact;
    if(_aggs.length!=_inputFields.length) {
        throw new IllegalArgumentException("Require input fields for each aggregator");
    }
}
 

import storm.trident.tuple.ComboList; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentMultiReducerContext context) {
    int[] sizes = new int[_sideFields.size() + 1];
    sizes[0] = _numGroupFields;
    for(int i=0; i<_sideFields.size(); i++) {
        sizes[i+1] = _sideFields.get(i).size();
    }
    _factory = new ComboList.Factory(sizes);
}
 

import storm.trident.tuple.ComboList; //导入依赖的package包/类
public MapCombinerAggStateUpdater(CombinerAggregator agg, Fields groupFields, Fields inputFields) {
    _agg = agg;
    _groupFields = groupFields;
    _inputFields = inputFields;
    if(inputFields.size()!=1) {
        throw new IllegalArgumentException("Combiner aggs only take a single field as input. Got this instead: " + inputFields.toString());
    }
    _factory = new ComboList.Factory(groupFields.size(), inputFields.size());
}
 

import storm.trident.tuple.ComboList; //导入依赖的package包/类
public ChainedAggregatorImpl(Aggregator[] aggs, Fields[] inputFields, ComboList.Factory fact) {
    _aggs = aggs;
    _inputFields = inputFields;
    _fact = fact;
    if (_aggs.length != _inputFields.length) {
        throw new IllegalArgumentException("Require input fields for each aggregator");
    }
}
 

import storm.trident.tuple.ComboList; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentMultiReducerContext context) {
    int[] sizes = new int[_sideFields.size() + 1];
    sizes[0] = _numGroupFields;
    for (int i = 0; i < _sideFields.size(); i++) {
        sizes[i + 1] = _sideFields.get(i).size();
    }
    _factory = new ComboList.Factory(sizes);
}
 

import storm.trident.tuple.ComboList; //导入依赖的package包/类
public MapCombinerAggStateUpdater(CombinerAggregator agg, Fields groupFields, Fields inputFields) {
    _agg = agg;
    _groupFields = groupFields;
    _inputFields = inputFields;
    if (inputFields.size() != 1) {
        throw new IllegalArgumentException("Combiner aggs only take a single field as input. Got this instead: " + inputFields.toString());
    }
    _factory = new ComboList.Factory(groupFields.size(), inputFields.size());
}
 

import storm.trident.tuple.ComboList; //导入依赖的package包/类
public GroupCollector(TridentCollector collector, ComboList.Factory factory) {
    _factory = factory;
    _collector = collector;
}
 

import storm.trident.tuple.ComboList; //导入依赖的package包/类
public MapReducerAggStateUpdater(ReducerAggregator agg, Fields groupFields, Fields inputFields) {
    _agg = agg;
    _groupFields = groupFields;
    _inputFields = inputFields;
    _factory = new ComboList.Factory(groupFields.size(), 1);
}