Examples with UserSpout org.apache.storm.jdbc.spout.UserSpout used on opensource projects

Example 1 with UserSpout

use of org.apache.storm.jdbc.spout.UserSpout in project storm by apache.

the class AbstractUserTopology method execute.

public void execute(String[] args) throws Exception {
    if (args.length != 4 && args.length != 5) {
        System.out.println("Usage: " + this.getClass().getSimpleName() + " <dataSourceClassName> <dataSource.url> " + "<user> <password> [topology name]");
        System.exit(-1);
    }
    Map map = Maps.newHashMap();
    //com.mysql.jdbc.jdbc2.optional.MysqlDataSource
    map.put("dataSourceClassName", args[0]);
    //jdbc:mysql://localhost/test
    map.put("dataSource.url", args[1]);
    //root
    map.put("dataSource.user", args[2]);
    if (args.length == 4) {
        //password
        map.put("dataSource.password", args[3]);
    }
    Config config = new Config();
    config.put(JDBC_CONF, map);
    ConnectionProvider connectionProvider = new HikariCPConnectionProvider(map);
    connectionProvider.prepare();
    int queryTimeoutSecs = 60;
    JdbcClient jdbcClient = new JdbcClient(connectionProvider, queryTimeoutSecs);
    for (String sql : setupSqls) {
        jdbcClient.executeSql(sql);
    }
    this.userSpout = new UserSpout();
    this.jdbcMapper = new SimpleJdbcMapper(TABLE_NAME, connectionProvider);
    connectionProvider.cleanup();
    Fields outputFields = new Fields("user_id", "user_name", "dept_name", "create_date");
    List<Column> queryParamColumns = Lists.newArrayList(new Column("user_id", Types.INTEGER));
    this.jdbcLookupMapper = new SimpleJdbcLookupMapper(outputFields, queryParamColumns);
    this.connectionProvider = new HikariCPConnectionProvider(map);
    if (args.length == 4) {
        try (LocalCluster cluster = new LocalCluster();
            LocalTopology topo = cluster.submitTopology("test", config, getTopology())) {
            Thread.sleep(30000);
        }
        System.exit(0);
    } else {
        StormSubmitter.submitTopology(args[4], config, getTopology());
    }
}

Example 2 with UserSpout

use of org.apache.storm.jdbc.spout.UserSpout in project storm by apache.

the class UserPersistanceTridentTopology method getTopology.

@Override
public StormTopology getTopology() {
    TridentTopology topology = new TridentTopology();
    JdbcState.Options options = new JdbcState.Options().withConnectionProvider(connectionProvider).withMapper(this.jdbcMapper).withJdbcLookupMapper(new SimpleJdbcLookupMapper(new Fields("dept_name"), Lists.newArrayList(new Column("user_id", Types.INTEGER)))).withTableName(TABLE_NAME).withSelectQuery(SELECT_QUERY);
    JdbcStateFactory jdbcStateFactory = new JdbcStateFactory(options);
    Stream stream = topology.newStream("userSpout", new UserSpout());
    TridentState state = topology.newStaticState(jdbcStateFactory);
    stream = stream.stateQuery(state, new Fields("user_id", "user_name", "create_date"), new JdbcQuery(), new Fields("dept_name"));
    stream.partitionPersist(jdbcStateFactory, new Fields("user_id", "user_name", "dept_name", "create_date"), new JdbcUpdater(), new Fields());
    return topology.build();
}