本文整理汇总了Java中storm.trident.util.TridentUtils.fieldsConcat方法的典型用法代码示例。如果您正苦于以下问题:Java TridentUtils.fieldsConcat方法的具体用法?Java TridentUtils.fieldsConcat怎么用?Java TridentUtils.fieldsConcat使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类storm.trident.util.TridentUtils
的用法示例。
在下文中一共展示了TridentUtils.fieldsConcat方法的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: stateQuery
import storm.trident.util.TridentUtils; //导入方法依赖的package包/类
public Stream stateQuery(TridentState state, Fields inputFields, QueryFunction function, Fields functionFields) {
projectionValidation(inputFields);
String stateId = state._node.stateInfo.id;
Node n = new ProcessorNode(_topology.getUniqueStreamId(),
_name,
TridentUtils.fieldsConcat(getOutputFields(), functionFields),
functionFields,
new StateQueryProcessor(stateId, inputFields, function));
_topology._colocate.get(stateId).add(n);
return _topology.addSourcedNode(this, n);
}
示例2: partitionAggregate
import storm.trident.util.TridentUtils; //导入方法依赖的package包/类
@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);
}
示例3: declareOutputFields
import storm.trident.util.TridentUtils; //导入方法依赖的package包/类
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
Fields outFields = TridentUtils.getSingleOutputStreamFields(_delegate);
outFields = TridentUtils.fieldsConcat(new Fields("$id$"), outFields);
declarer.declareStream(_stream, outFields);
// try to find a way to merge this code with what's already done in TridentBoltExecutor
declarer.declareStream(_coordStream, true, new Fields("id", "count"));
}
示例4: stateQuery
import storm.trident.util.TridentUtils; //导入方法依赖的package包/类
public Stream stateQuery(TridentState state, Fields inputFields, QueryFunction function, Fields functionFields) {
projectionValidation(inputFields);
String stateId = state._node.stateInfo.id;
Node n =
new ProcessorNode(_topology.getUniqueStreamId(), _name, TridentUtils.fieldsConcat(getOutputFields(), functionFields), functionFields,
new StateQueryProcessor(stateId, inputFields, function));
_topology._colocate.get(stateId).add(n);
return _topology.addSourcedNode(this, n);
}