本文整理汇总了Java中storm.trident.state.map.MapReducerAggStateUpdater类的典型用法代码示例。如果您正苦于以下问题：Java MapReducerAggStateUpdater类的具体用法？Java MapReducerAggStateUpdater怎么用？Java MapReducerAggStateUpdater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。
MapReducerAggStateUpdater类属于storm.trident.state.map包，在下文中一共展示了MapReducerAggStateUpdater类的2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: persistentAggregate
import storm.trident.state.map.MapReducerAggStateUpdater; //导入依赖的package包/类
public TridentState persistentAggregate(StateSpec spec, Fields inputFields, ReducerAggregator agg, Fields functionFields) {
return _stream.partitionBy(_groupFields)
.partitionPersist(spec,
TridentUtils.fieldsUnion(_groupFields, inputFields),
new MapReducerAggStateUpdater(agg, _groupFields, inputFields),
TridentUtils.fieldsConcat(_groupFields, functionFields));
}
示例2: persistentAggregate
import storm.trident.state.map.MapReducerAggStateUpdater; //导入依赖的package包/类
public TridentState persistentAggregate(StateSpec spec, Fields inputFields, ReducerAggregator agg, Fields functionFields) {
return _stream.partitionBy(_groupFields).partitionPersist(spec, TridentUtils.fieldsUnion(_groupFields, inputFields),
new MapReducerAggStateUpdater(agg, _groupFields, inputFields), TridentUtils.fieldsConcat(_groupFields, functionFields));
}