Package backtype.storm.tuple

Examples of backtype.storm.tuple.Fields

19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
import storm.trident.tuple.TridentTuple;

public class TridentFileTopology {

    public static StormTopology buildTopology(String hdfsUrl){
        FixedBatchSpout spout = new FixedBatchSpout(new Fields("sentence", "key"), 1000, new Values("the cow jumped over the moon", 1l),
                new Values("the man went to the store and bought some candy", 2l), new Values("four score and seven years ago", 3l),
                new Values("how many apples can you eat", 4l), new Values("to be or not to be the person", 5l));
        spout.setCycle(true);

        TridentTopology topology = new TridentTopology();
        Stream stream = topology.newStream("spout1", spout);

        Fields hdfsFields = new Fields("sentence", "key");

        FileNameFormat fileNameFormat = new DefaultFileNameFormat()
                .withPath("/trident")
                .withPrefix("trident")
                .withExtension(".txt");

        RecordFormat recordFormat = new DelimitedRecordFormat()
                .withFields(hdfsFields);

        FileRotationPolicy rotationPolicy = new FileSizeRotationPolicy(5.0f, FileSizeRotationPolicy.Units.MB);

        HdfsState.Options options = new HdfsState.HdfsFileOptions()
                .withFileNameFormat(fileNameFormat)
                .withRecordFormat(recordFormat)
                .withRotationPolicy(rotationPolicy)
                .withFsUrl(hdfsUrl);

        StateFactory factory = new HdfsStateFactory().withOptions(options);

        TridentState state = stream
                .partitionPersist(factory, hdfsFields, new HdfsUpdater(), new Fields());

        return topology.build();
    }
View Full Code Here
128
129
130
131
132
133
134
    collector.ack(tuple);
  }

  @Override
  public void declareOutputFields(OutputFieldsDeclarer declarer) {
    declarer.declare(new Fields("obj", "count", "actualWindowLengthInSeconds"));
  }
View Full Code Here
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
import storm.trident.tuple.TridentTuple;

public class TridentSequenceTopology {

    public static StormTopology buildTopology(String hdfsUrl){
        FixedBatchSpout spout = new FixedBatchSpout(new Fields("sentence", "key"), 1000, new Values("the cow jumped over the moon", 1l),
                new Values("the man went to the store and bought some candy", 2l), new Values("four score and seven years ago", 3l),
                new Values("how many apples can you eat", 4l), new Values("to be or not to be the person", 5l));
        spout.setCycle(true);

        TridentTopology topology = new TridentTopology();
        Stream stream = topology.newStream("spout1", spout);

        Fields hdfsFields = new Fields("sentence", "key");

        FileNameFormat fileNameFormat = new DefaultFileNameFormat()
                .withPath("/trident")
                .withPrefix("trident")
                .withExtension(".seq");

        FileRotationPolicy rotationPolicy = new FileSizeRotationPolicy(5.0f, FileSizeRotationPolicy.Units.MB);

        HdfsState.Options seqOpts = new HdfsState.SequenceFileOptions()
                .withFileNameFormat(fileNameFormat)
                .withSequenceFormat(new DefaultSequenceFormat("key", "sentence"))
                .withRotationPolicy(rotationPolicy)
                .withFsUrl(hdfsUrl)
                .addRotationAction(new MoveFileAction().toDestination("/dest2/"));

        StateFactory factory = new HdfsStateFactory().withOptions(seqOpts);

        TridentState state = stream
                .partitionPersist(factory, hdfsFields, new HdfsUpdater(), new Fields());

        return topology.build();
    }
View Full Code Here
94
95
96
97
98
99
100
    getLogger().debug("Rankings: " + rankings);
  }

  @Override
  public void declareOutputFields(OutputFieldsDeclarer declarer) {
    declarer.declare(new Fields("rankings"));
  }
View Full Code Here
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
    int timeout = ((Number) conf.get(Config.TOPOLOGY_MESSAGE_TIMEOUT_SECS)).intValue();
    _pending = new TimeCacheMap<List<Object>, Map<GlobalStreamId, Tuple>>(timeout, new ExpireCallback());
    _numSources = context.getThisSources().size();
    Set<String> idFields = null;
    for (GlobalStreamId source : context.getThisSources().keySet()) {
      Fields fields = context.getComponentOutputFields(source.get_componentId(), source.get_streamId());
      Set<String> setFields = new HashSet<String>(fields.toList());
      if (idFields == null)
        idFields = setFields;
      else
        idFields.retainAll(setFields);

      for (String outfield : _outFields) {
        for (String sourcefield : fields) {
          if (outfield.equals(sourcefield)) {
            _fieldLocations.put(outfield, source);
          }
        }
      }
    }
    _idFields = new Fields(new ArrayList<String>(idFields));

    if (_fieldLocations.size() != _outFields.size()) {
      throw new RuntimeException("Cannot find all outfields among sources");
    }
  }
View Full Code Here
156
157
158
159
160
161
162
  public void fail(Object id) {
  }

  @Override
  public void declareOutputFields(OutputFieldsDeclarer declarer) {
    declarer.declare(new Fields("tweet"));
  }
View Full Code Here
56
57
58
59
60
61
62
  public void fail(Object id) {
  }

  @Override
  public void declareOutputFields(OutputFieldsDeclarer declarer) {
    declarer.declare(new Fields("word"));
  }
View Full Code Here
52
53
54
55
56
57
58
      _collector.ack(tuple);
    }

    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
      declarer.declare(new Fields("word"));
    }
View Full Code Here
39
40
41
42
43
44
45
            throw new RuntimeException(e);
        }
    }

    public Fields getOutputFields() {
        return new Fields(STRING_SCHEME_KEY);
    }
View Full Code Here
161
162
163
164
165
166
167
168
169
  public static LinearDRPCTopologyBuilder construct() {
    LinearDRPCTopologyBuilder builder = new LinearDRPCTopologyBuilder("reach");
    builder.addBolt(new GetTweeters(), 4);
    builder.addBolt(new GetFollowers(), 12).shuffleGrouping();
    builder.addBolt(new PartialUniquer(), 6).fieldsGrouping(new Fields("id", "follower"));
    builder.addBolt(new CountAggregator(), 3).fieldsGrouping(new Fields("id"));
    return builder;
  }
View Full Code Here
TOP

Related Classes of backtype.storm.tuple.Fields

  • backtype.storm.clojure.ClojureBolt
  • backtype.storm.clojure.ClojureSpout
  • backtype.storm.clojure.RichShellBolt
  • backtype.storm.clojure.RichShellSpout
  • backtype.storm.drpc.DRPCSpout
  • backtype.storm.spout.RawMultiScheme
  • backtype.storm.spout.RawScheme
  • backtype.storm.testing.TestEventOrderCheckBolt
  • backtype.storm.testing.TestGlobalCount
  • com.alibaba.jstorm.batch.example.BatchMetaRebalance
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.