Package storm.trident.operation.builtin

Examples of storm.trident.operation.builtin.MapGet

56
57
58
59
60
61
62
63
64
65
66
                .parallelismHint(16);
               
        topology.newDRPCStream("words", drpc)
                .each(new Fields("args"), new Split(), new Fields("word"))
                .groupBy(new Fields("word"))
                .stateQuery(wordCounts, new Fields("word"), new MapGet(), new Fields("count"))
                .each(new Fields("count"), new FilterNull())
                //.aggregate(new Fields("count"), new Sum(), new Fields("sum"))
                ;
       
        return topology.build();
View Full Code Here
55
56
57
58
59
60
61
62
63
64
65
                .parallelismHint(16);
       
        topology.newDRPCStream("words", drpc)
                .each(new Fields("args"), new Split(), new Fields("word"))
                .groupBy(new Fields("word"))
                .stateQuery(wordCounts, new Fields("word"), new MapGet(), new Fields("count"))
                .each(new Fields("count"), new FilterNull())
                //.aggregate(new Fields("count"), new Sum(), new Fields("sum"))
                ;
       
        return topology.build();
View Full Code Here
122
123
124
125
126
127
128
129
130
131
132
133
134
135
                topology.newStaticState(
                    new StaticSingleKeyMapState.Factory(FOLLOWERS_DB));
       
       
        topology.newDRPCStream("reach", drpc)
                .stateQuery(urlToTweeters, new Fields("args"), new MapGet(), new Fields("tweeters"))
                .each(new Fields("tweeters"), new ExpandList(), new Fields("tweeter"))
                .shuffle()
                .stateQuery(tweetersToFollowers, new Fields("tweeter"), new MapGet(), new Fields("followers"))
                .each(new Fields("followers"), new ExpandList(), new Fields("follower"))
                .groupBy(new Fields("follower"))
                .aggregate(new One(), new Fields("one"))
                .aggregate(new Fields("one"), new Sum(), new Fields("reach"));
        return topology.build();
View Full Code Here
143
144
145
146
147
148
149
150
151
152
153
                .persistentAggregate(cassandraStateFactory, new Count(), new Fields("count")).parallelismHint(1);

        LocalDRPC client = new LocalDRPC();
        topology.newDRPCStream("words", client).each(new Fields("args"), new Split(), new Fields("word"))
                .groupBy(new Fields("word"))
                .stateQuery(wordCounts, new Fields("word"), new MapGet(), new Fields("count"))
                .each(new Fields("count"), new FilterNull())
                .aggregate(new Fields("count"), new Sum(), new Fields("sum"));

        LocalCluster cluster = new LocalCluster();
        cluster.submitTopology("test", config, topology.build());
View Full Code Here
58
59
60
61
62
63
64
65
66
    TridentState wordCounts = topology.newStream("spout1", spout).parallelismHint(16).each(new Fields("sentence"),
        new Split(), new Fields("word")).groupBy(new Fields("word")).persistentAggregate(new MemoryMapState.Factory(),
        new Count(), new Fields("count")).parallelismHint(16);

    topology.newDRPCStream("words", drpc).each(new Fields("args"), new Split(), new Fields("word")).groupBy(new Fields(
        "word")).stateQuery(wordCounts, new Fields("word"), new MapGet(), new Fields("count")).each(new Fields("count"),
        new FilterNull()).aggregate(new Fields("count"), new Sum(), new Fields("sum"));
    return topology.build();
  }
View Full Code Here
125
126
127
128
129
130
131
132
133
134
135
136
    TridentTopology topology = new TridentTopology();
    TridentState urlToTweeters = topology.newStaticState(new StaticSingleKeyMapState.Factory(TWEETERS_DB));
    TridentState tweetersToFollowers = topology.newStaticState(new StaticSingleKeyMapState.Factory(FOLLOWERS_DB));


    topology.newDRPCStream("reach", drpc).stateQuery(urlToTweeters, new Fields("args"), new MapGet(), new Fields(
        "tweeters")).each(new Fields("tweeters"), new ExpandList(), new Fields("tweeter")).shuffle().stateQuery(
        tweetersToFollowers, new Fields("tweeter"), new MapGet(), new Fields("followers")).each(new Fields("followers"),
        new ExpandList(), new Fields("follower")).groupBy(new Fields("follower")).aggregate(new One(), new Fields(
        "one")).aggregate(new Fields("one"), new Sum(), new Fields("reach"));
    return topology.build();
  }
View Full Code Here
166
167
168
169
170
171
172
173
174
175
176
    // it uses a custom Function "LambdaMerge" for merging the results and projects the results back to the user.
    topology
        .newDRPCStream("hashtags", drpc)
        .each(new Fields("args"), new Split(), new Fields("hashtag"))
        .groupBy(new Fields("hashtag"))
        .stateQuery(hashTagCounts, new Fields("hashtag"), new MapGet(), new Fields("resultrt"))
        .stateQuery(sploutState, new Fields("hashtag", "resultrt"), new HashTagsSploutQuery(),
            new Fields("resultbatch"))
        .each(new Fields("hashtag", "resultrt", "resultbatch"), new LambdaMerge(), new Fields("result"))
        // Project allows us to keep only the interesting results
        .project(new Fields("result"));
View Full Code Here
41
42
43
44
45
46
47
48
49
    TridentState wordCounts = topology.newStream("spout1", spout).parallelismHint(16).each(new Fields("sentence"),
        new Split(), new Fields("word")).groupBy(new Fields("word")).persistentAggregate(new MemoryMapState.Factory(),
        new Count(), new Fields("count")).parallelismHint(16);

    topology.newDRPCStream("words", drpc).each(new Fields("args"), new Split(), new Fields("word")).groupBy(new Fields(
        "word")).stateQuery(wordCounts, new Fields("word"), new MapGet(), new Fields("count")).each(new Fields("count"),
        new FilterNull()).aggregate(new Fields("count"), new Sum(), new Fields("sum"));
    return topology.build();
  }
View Full Code Here
108
109
110
111
112
113
114
115
116
117
118
119
    TridentTopology topology = new TridentTopology();
    TridentState urlToTweeters = topology.newStaticState(new StaticSingleKeyMapState.Factory(TWEETERS_DB));
    TridentState tweetersToFollowers = topology.newStaticState(new StaticSingleKeyMapState.Factory(FOLLOWERS_DB));


    topology.newDRPCStream("reach", drpc).stateQuery(urlToTweeters, new Fields("args"), new MapGet(), new Fields(
        "tweeters")).each(new Fields("tweeters"), new ExpandList(), new Fields("tweeter")).shuffle().stateQuery(
        tweetersToFollowers, new Fields("tweeter"), new MapGet(), new Fields("followers")).each(new Fields("followers"),
        new ExpandList(), new Fields("follower")).groupBy(new Fields("follower")).aggregate(new One(), new Fields(
        "one")).aggregate(new Fields("one"), new Sum(), new Fields("reach"));
    return topology.build();
  }
View Full Code Here
52
53
54
55
56
57
58
59
60
61
62
                .parallelismHint(16);
               
        topology.newDRPCStream("words", drpc)
                .each(new Fields("args"), new Split(), new Fields("word"))
                .groupBy(new Fields("word"))
                .stateQuery(wordCounts, new Fields("word"), new MapGet(), new Fields("count"))
                .each(new Fields("count"), new FilterNull())
                .aggregate(new Fields("count"), new Sum(), new Fields("sum"))
                ;
        return topology.build();
    }
View Full Code Here
TOP

Related Classes of storm.trident.operation.builtin.MapGet

  • backtype.storm.tuple.Values
  • com.datasalt.trident.LambdaHashTagsTopology
  • com.hmsonline.storm.cassandra.bolt.CassandraMapStateTest
  • storm.starter.trident.TridentReach
  • storm.starter.trident.TridentWordCount
  • trident.TridentReach
  • trident.TridentUpdater
  • trident.TridentWordCount
  • tutorial.storm.trident.ClusterTestTopology
  • tutorial.storm.trident.example.GlobalTop20Hashtags
    • 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.