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Java TridentMultiReducerContext类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中storm.trident.operation.TridentMultiReducerContext类的典型用法代码示例。如果您正苦于以下问题：Java TridentMultiReducerContext类的具体用法？Java TridentMultiReducerContext怎么用？Java TridentMultiReducerContext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。



TridentMultiReducerContext类属于storm.trident.operation包，在下文中一共展示了TridentMultiReducerContext类的10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，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: prepare

import storm.trident.operation.TridentMultiReducerContext; //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)));
}
开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:17，代码来源:MultiReducerProcessor.java


示例2: prepare

import storm.trident.operation.TridentMultiReducerContext; //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)));
}
开发者ID:kkllwww007，项目名称:jstrom，代码行数:17，代码来源:MultiReducerProcessor.java


示例3: prepare

import storm.trident.operation.TridentMultiReducerContext; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentMultiReducerContext context) {
    int[] sizes = new int[_sideFields.size() + 1];
    sizes[0] = _numGroupFields;
    for(int i=0; i<_sideFields.size(); i++) {
        sizes[i+1] = _sideFields.get(i).size();
    }
    _factory = new ComboList.Factory(sizes);
}
开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:10，代码来源:JoinerMultiReducer.java


示例4: prepare

import storm.trident.operation.TridentMultiReducerContext; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentMultiReducerContext context) {
    for(int i=0; i<_groupFields.size(); i++) {
        _groupFactories.add(context.makeProjectionFactory(i, _groupFields.get(i)));
        _inputFactories.add(context.makeProjectionFactory(i, _inputFields.get(i)));
    }
    _reducer.prepare(conf, new TridentMultiReducerContext((List) _inputFactories));
}
开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:9，代码来源:GroupedMultiReducerExecutor.java


示例5: prepare

import storm.trident.operation.TridentMultiReducerContext; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentMultiReducerContext context) {
    int[] sizes = new int[_sideFields.size() + 1];
    sizes[0] = _numGroupFields;
    for (int i = 0; i < _sideFields.size(); i++) {
        sizes[i + 1] = _sideFields.get(i).size();
    }
    _factory = new ComboList.Factory(sizes);
}
开发者ID:kkllwww007，项目名称:jstrom，代码行数:10，代码来源:JoinerMultiReducer.java


示例6: prepare

import storm.trident.operation.TridentMultiReducerContext; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentMultiReducerContext context) {
    for (int i = 0; i < _groupFields.size(); i++) {
        _groupFactories.add(context.makeProjectionFactory(i, _groupFields.get(i)));
        _inputFactories.add(context.makeProjectionFactory(i, _inputFields.get(i)));
    }
    _reducer.prepare(conf, new TridentMultiReducerContext((List) _inputFactories));
}
开发者ID:kkllwww007，项目名称:jstrom，代码行数:9，代码来源:GroupedMultiReducerExecutor.java


示例7: prepare

import storm.trident.operation.TridentMultiReducerContext; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentMultiReducerContext context) {
    local = conf.get(Config.STORM_CLUSTER_MODE).equals("local");
}
开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:5，代码来源:ReturnResultsReducer.java


示例8: prepare

import storm.trident.operation.TridentMultiReducerContext; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentMultiReducerContext context) {
}
开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:4，代码来源:IdentityMultiReducer.java


示例9: prepare

import storm.trident.operation.TridentMultiReducerContext; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentMultiReducerContext context) {
    this.conf = conf;
    local = conf.get(Config.STORM_CLUSTER_MODE).equals("local");
}
开发者ID:kkllwww007，项目名称:jstrom，代码行数:6，代码来源:ReturnResultsReducer.java


示例10: prepare

import storm.trident.operation.TridentMultiReducerContext; //导入依赖的package包/类
@Override
public void prepare(Map conf, TridentMultiReducerContext context) {

}
开发者ID:domenicosolazzo，项目名称:tfidf-topology，代码行数:5，代码来源:OuterJoinReducer.java



注：本文中的storm.trident.operation.TridentMultiReducerContext类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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