本文整理汇总了Java中storm.trident.operation.GroupedMultiReducer类的典型用法代码示例。如果您正苦于以下问题：Java GroupedMultiReducer类的具体用法？Java GroupedMultiReducer怎么用？Java GroupedMultiReducer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。
GroupedMultiReducer类属于storm.trident.operation包，在下文中一共展示了GroupedMultiReducer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: GroupedMultiReducerExecutor
import storm.trident.operation.GroupedMultiReducer; //导入依赖的package包/类
public GroupedMultiReducerExecutor(GroupedMultiReducer reducer, List<Fields> groupFields, List<Fields> inputFields) {
if(inputFields.size()!=groupFields.size()) {
throw new IllegalArgumentException("Multireducer groupFields and inputFields must be the same size");
}
_groupFields = groupFields;
_inputFields = inputFields;
_reducer = reducer;
}
示例2: multiReduce
import storm.trident.operation.GroupedMultiReducer; //导入依赖的package包/类
public Stream multiReduce(List<Fields> inputFields, List<GroupedStream> groupedStreams, GroupedMultiReducer function, Fields outputFields) {
List<Fields> fullInputFields = new ArrayList<Fields>();
List<Stream> streams = new ArrayList<Stream>();
List<Fields> fullGroupFields = new ArrayList<Fields>();
for(int i=0; i<groupedStreams.size(); i++) {
GroupedStream gs = groupedStreams.get(i);
Fields groupFields = gs.getGroupFields();
fullGroupFields.add(groupFields);
streams.add(gs.toStream().partitionBy(groupFields));
fullInputFields.add(TridentUtils.fieldsUnion(groupFields, inputFields.get(i)));
}
return multiReduce(fullInputFields, streams, new GroupedMultiReducerExecutor(function, fullGroupFields, inputFields), outputFields);
}
示例3: GroupedMultiReducerExecutor
import storm.trident.operation.GroupedMultiReducer; //导入依赖的package包/类
public GroupedMultiReducerExecutor(GroupedMultiReducer reducer, List<Fields> groupFields, List<Fields> inputFields) {
if (inputFields.size() != groupFields.size()) {
throw new IllegalArgumentException("Multireducer groupFields and inputFields must be the same size");
}
_groupFields = groupFields;
_inputFields = inputFields;
_reducer = reducer;
}
示例4: multiReduce
import storm.trident.operation.GroupedMultiReducer; //导入依赖的package包/类
public Stream multiReduce(List<Fields> inputFields, List<GroupedStream> groupedStreams, GroupedMultiReducer function, Fields outputFields) {
List<Fields> fullInputFields = new ArrayList<>();
List<Stream> streams = new ArrayList<>();
List<Fields> fullGroupFields = new ArrayList<>();
for(int i=0; i<groupedStreams.size(); i++) {
GroupedStream gs = groupedStreams.get(i);
Fields groupFields = gs.getGroupFields();
fullGroupFields.add(groupFields);
streams.add(gs.toStream().partitionBy(groupFields));
fullInputFields.add(TridentUtils.fieldsUnion(groupFields, inputFields.get(i)));
}
return multiReduce(fullInputFields, streams, new GroupedMultiReducerExecutor(function, fullGroupFields, inputFields), outputFields);
}