本文整理汇总了Java中storm.trident.state.CombinerValueUpdater类的典型用法代码示例。如果您正苦于以下问题：Java CombinerValueUpdater类的具体用法？Java CombinerValueUpdater怎么用？Java CombinerValueUpdater使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
CombinerValueUpdater类属于storm.trident.state包，在下文中一共展示了CombinerValueUpdater类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: updateState
import storm.trident.state.CombinerValueUpdater; //导入依赖的package包/类
@Override
public void updateState(MapState map, List<TridentTuple> tuples, TridentCollector collector) {
List<List<Object>> groups = new ArrayList<List<Object>>(tuples.size());
List<ValueUpdater> updaters = new ArrayList<ValueUpdater>(tuples.size());
for(TridentTuple t: tuples) {
groups.add(_groupFactory.create(t));
updaters.add(new CombinerValueUpdater(_agg,_inputFactory.create(t).getValue(0)));
}
List<Object> newVals = map.multiUpdate(groups, updaters);
for(int i=0; i<tuples.size(); i++) {
List<Object> key = groups.get(i);
Object result = newVals.get(i);
collector.emit(_factory.create(new List[] {key, new Values(result) }));
}
}
示例2: updateState
import storm.trident.state.CombinerValueUpdater; //导入依赖的package包/类
@Override
public void updateState(MapState map, List<TridentTuple> tuples, TridentCollector collector) {
List<List<Object>> groups = new ArrayList<List<Object>>(tuples.size());
List<ValueUpdater> updaters = new ArrayList<ValueUpdater>(tuples.size());
for (TridentTuple t : tuples) {
groups.add(_groupFactory.create(t));
updaters.add(new CombinerValueUpdater(_agg, _inputFactory.create(t).getValue(0)));
}
List<Object> newVals = map.multiUpdate(groups, updaters);
for (int i = 0; i < tuples.size(); i++) {
List<Object> key = groups.get(i);
Object result = newVals.get(i);
collector.emit(_factory.create(new List[] { key, new Values(result) }));
}
}
示例3: updateState
import storm.trident.state.CombinerValueUpdater; //导入依赖的package包/类
@Override
public void updateState(Snapshottable state, List<TridentTuple> tuples, TridentCollector collector) {
if(tuples.size()!=1) {
throw new IllegalArgumentException("Combiner state updater should receive a single tuple. Received: " + tuples.toString());
}
Object newVal = state.update(new CombinerValueUpdater(_agg, tuples.get(0).getValue(0)));
collector.emit(new Values(newVal));
}
示例4: updateState
import storm.trident.state.CombinerValueUpdater; //导入依赖的package包/类
@Override
public void updateState(Snapshottable state, List<TridentTuple> tuples, TridentCollector collector) {
if (tuples.size() != 1) {
throw new IllegalArgumentException("Combiner state updater should receive a single tuple. Received: " + tuples.toString());
}
Object newVal = state.update(new CombinerValueUpdater(_agg, tuples.get(0).getValue(0)));
collector.emit(new Values(newVal));
}