Package com.digitalpebble.stormcrawler.opensearch.metrics

Class StatusMetricsBolt

java.lang.Object

org.apache.storm.topology.base.BaseComponent

org.apache.storm.topology.base.BaseRichBolt

com.digitalpebble.stormcrawler.opensearch.metrics.StatusMetricsBolt

All Implemented Interfaces:

Serializable, org.apache.storm.task.IBolt, org.apache.storm.topology.IComponent, org.apache.storm.topology.IRichBolt

public class StatusMetricsBolt
extends org.apache.storm.topology.base.BaseRichBolt

Queries the status index periodically to get the count of URLs per status. This bolt can be connected to the output of any other bolt and will not produce anything as output.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
StatusMetricsBolt()

Method Summary

Modifier and Type	Method	Description
void	cleanup()
void	declareOutputFields(org.apache.storm.topology.OutputFieldsDeclarer declarer)
void	execute(org.apache.storm.tuple.Tuple input)
Map<String,Object>	getComponentConfiguration()
void	prepare(Map<String,Object> stormConf, org.apache.storm.task.TopologyContext context, org.apache.storm.task.OutputCollector collector)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StatusMetricsBolt

public StatusMetricsBolt()

Method Details

prepare

public void prepare(Map<String,Object> stormConf,
 org.apache.storm.task.TopologyContext context,
 org.apache.storm.task.OutputCollector collector)

getComponentConfiguration

public Map<String,Object> getComponentConfiguration()

Specified by:

getComponentConfiguration in interface org.apache.storm.topology.IComponent

Overrides:

getComponentConfiguration in class org.apache.storm.topology.base.BaseComponent

execute

public void execute(org.apache.storm.tuple.Tuple input)

cleanup

public void cleanup()

Specified by:

cleanup in interface org.apache.storm.task.IBolt

Overrides:

cleanup in class org.apache.storm.topology.base.BaseRichBolt

declareOutputFields

public void declareOutputFields(org.apache.storm.topology.OutputFieldsDeclarer declarer)