September 2017
Beginner to intermediate
360 pages
8h 13m
English
book
Practical Real-time Data Processing and Analytics
by Shilpi Saxena, Selva raj Ramasamy, Prateek Bhati, Saurabh Gupta
Content preview from Practical Real-time Data Processing and Analytics
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Generate alert Bolt
This bolt is used to generate an alert in the form of an SMS using the Twilio application. Also, emit tuples so that it can be saved into Elasticsearch:
package com.book.processing;import java.io.BufferedReader;import java.io.InputStreamReader;import java.math.BigDecimal;import java.math.RoundingMode;import java.util.Map;import org.apache.storm.task.TopologyContext;import org.apache.storm.topology.BasicOutputCollector;import org.apache.storm.topology.OutputFieldsDeclarer;import org.apache.storm.topology.base.BaseBasicBolt;import org.apache.storm.tuple.Fields;import org.apache.storm.tuple.Tuple;import org.apache.storm.tuple.Values;import com.book.domain.AlertEvent;import com.hazelcast.client.HazelcastClient;import com.hazelcast.client.config.ClientConfig; ...
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