OutputFieldsExtractor (Storm 2.7.1 API)

java.lang.Object
- org.apache.storm.kafka.spout.trident.internal.OutputFieldsExtractor

All Implemented Interfaces:: Serializable

public class OutputFieldsExtractor
extends Object
implements Serializable

See Also:: Serialized Form

Constructor Summary

Constructors
Constructor Description

OutputFieldsExtractor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<K,V> Fields`	`getOutputFields(KafkaTridentSpoutConfig<K,V> kafkaSpoutConfig)`	Extract the output fields from the config.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - OutputFieldsExtractor
```
public OutputFieldsExtractor()
```
- Method Detail
  - getOutputFields
```
public <K,V> Fields getOutputFields(KafkaTridentSpoutConfig<K,V> kafkaSpoutConfig)
```
    Extract the output fields from the config. Throws an error if there are multiple declared output streams, since Trident only supports one output stream per spout.