本文整理汇总了Java中storm.trident.tuple.TridentTupleView.ProjectionFactory类的典型用法代码示例。如果您正苦于以下问题：Java ProjectionFactory类的具体用法？Java ProjectionFactory怎么用？Java ProjectionFactory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。
ProjectionFactory类属于storm.trident.tuple.TridentTupleView包，在下文中一共展示了ProjectionFactory类的15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: execute
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void execute(Map<TridentTuple, Object> state, int streamIndex, TridentTuple full, TridentCollector collector) {
ProjectionFactory groupFactory = _groupFactories.get(streamIndex);
ProjectionFactory inputFactory = _inputFactories.get(streamIndex);
TridentTuple group = groupFactory.create(full);
TridentTuple input = inputFactory.create(full);
Object curr;
if(!state.containsKey(group)) {
curr = _reducer.init(collector, group);
state.put(group, curr);
} else {
curr = state.get(group);
}
_reducer.execute(curr, streamIndex, group, input, collector);
}
示例2: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
List<Factory> parents = tridentContext.getParentTupleFactories();
_context = tridentContext;
_streamToIndex = new HashMap<String, Integer>();
List<String> parentStreams = tridentContext.getParentStreams();
for(int i=0; i<parentStreams.size(); i++) {
_streamToIndex.put(parentStreams.get(i), i);
}
_projectionFactories = new ProjectionFactory[_projectFields.size()];
for(int i=0; i<_projectFields.size(); i++) {
_projectionFactories[i] = new ProjectionFactory(parents.get(i), _projectFields.get(i));
}
_collector = new FreshCollector(tridentContext);
_reducer.prepare(conf, new TridentMultiReducerContext((List) Arrays.asList(_projectionFactories)));
}
示例3: execute
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void execute(Map<TridentTuple, Object> state, int streamIndex, TridentTuple full, TridentCollector collector) {
ProjectionFactory groupFactory = _groupFactories.get(streamIndex);
ProjectionFactory inputFactory = _inputFactories.get(streamIndex);
TridentTuple group = groupFactory.create(full);
TridentTuple input = inputFactory.create(full);
Object curr;
if (!state.containsKey(group)) {
curr = _reducer.init(collector, group);
state.put(group, curr);
} else {
curr = state.get(group);
}
_reducer.execute(curr, streamIndex, group, input, collector);
}
示例4: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
List<Factory> parents = tridentContext.getParentTupleFactories();
_context = tridentContext;
_streamToIndex = new HashMap<String, Integer>();
List<String> parentStreams = tridentContext.getParentStreams();
for (int i = 0; i < parentStreams.size(); i++) {
_streamToIndex.put(parentStreams.get(i), i);
}
_projectionFactories = new ProjectionFactory[_projectFields.size()];
for (int i = 0; i < _projectFields.size(); i++) {
_projectionFactories[i] = new ProjectionFactory(parents.get(i), _projectFields.get(i));
}
_collector = new FreshCollector(tridentContext);
_reducer.prepare(conf, new TridentMultiReducerContext((List) Arrays.asList(_projectionFactories)));
}
示例5: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentOperationContext context) {
_inputFactories = new ProjectionFactory[_inputFields.length];
for(int i=0; i<_inputFields.length; i++) {
_inputFactories[i] = context.makeProjectionFactory(_inputFields[i]);
_aggs[i].prepare(conf, new TridentOperationContext(context, _inputFactories[i]));
}
}
示例6: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
if(tridentContext.getParentTupleFactories().size()!=1) {
throw new RuntimeException("Projection processor can only have one parent");
}
_context = tridentContext;
_factory = new ProjectionFactory(tridentContext.getParentTupleFactories().get(0), _projectFields);
}
示例7: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
List<Factory> parents = tridentContext.getParentTupleFactories();
if(parents.size()!=1) {
throw new RuntimeException("Aggregate operation can only have one parent");
}
_context = tridentContext;
_collector = new FreshCollector(tridentContext);
_projection = new ProjectionFactory(parents.get(0), _inputFields);
_agg.prepare(conf, new TridentOperationContext(context, _projection));
}
示例8: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
List<Factory> parents = tridentContext.getParentTupleFactories();
if(parents.size()!=1) {
throw new RuntimeException("State query operation can only have one parent");
}
_context = tridentContext;
_state = (State) context.getTaskData(_stateId);
_projection = new ProjectionFactory(parents.get(0), _inputFields);
_collector = new AppendCollector(tridentContext);
_function.prepare(conf, new TridentOperationContext(context, _projection));
}
示例9: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
List<Factory> parents = tridentContext.getParentTupleFactories();
if(parents.size()!=1) {
throw new RuntimeException("Partition persist operation can only have one parent");
}
_context = tridentContext;
_state = (State) context.getTaskData(_stateId);
_projection = new ProjectionFactory(parents.get(0), _inputFields);
_collector = new FreshCollector(tridentContext);
_updater.prepare(conf, new TridentOperationContext(context, _projection));
}
示例10: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
List<Factory> parents = tridentContext.getParentTupleFactories();
if(parents.size()!=1) {
throw new RuntimeException("Each operation can only have one parent");
}
_context = tridentContext;
_collector = new AppendCollector(tridentContext);
_projection = new ProjectionFactory(parents.get(0), _inputFields);
_function.prepare(conf, new TridentOperationContext(context, _projection));
}
示例11: InitialReceiver
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
public InitialReceiver(String stream, Fields allFields) {
// : don't want to project for non-batch bolts...???
// how to distinguish "batch" streams from non-batch streams?
_stream = stream;
_factory = new RootFactory(allFields);
List<String> projected = new ArrayList(allFields.toList());
projected.remove(0);
_project = new ProjectionFactory(_factory, new Fields(projected));
}
示例12: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
public void prepare(Map conf, TridentOperationContext context) {
_inputFactories = new ProjectionFactory[_inputFields.length];
for(int i=0; i<_inputFields.length; i++) {
_inputFactories[i] = context.makeProjectionFactory(_inputFields[i]);
_aggs[i].prepare(conf, new TridentOperationContext(context, _inputFactories[i]));
}
}
示例13: InitialReceiver
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
public InitialReceiver(String stream, Fields allFields) {
// TODO: don't want to project for non-batch bolts...???
// how to distinguish "batch" streams from non-batch streams?
_stream = stream;
_factory = new RootFactory(allFields);
List<String> projected = new ArrayList(allFields.toList());
projected.remove(0);
_project = new ProjectionFactory(_factory, new Fields(projected));
}
示例14: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
public void prepare(Map conf, TridentOperationContext context) {
_inputFactories = new ProjectionFactory[_inputFields.length];
for (int i = 0; i < _inputFields.length; i++) {
_inputFactories[i] = context.makeProjectionFactory(_inputFields[i]);
_aggs[i].prepare(conf, new TridentOperationContext(context, _inputFactories[i]));
}
}
示例15: prepare
import storm.trident.tuple.TridentTupleView.ProjectionFactory; //导入依赖的package包/类
@Override
public void prepare(Map conf, TopologyContext context, TridentContext tridentContext) {
if (tridentContext.getParentTupleFactories().size() != 1) {
throw new RuntimeException("Projection processor can only have one parent");
}
_context = tridentContext;
_factory = new ProjectionFactory(tridentContext.getParentTupleFactories().get(0), _projectFields);
}