Package org.apache.storm.kafka.bolt.mapper

Class FieldNameBasedTupleToKafkaMapper<K,V>

java.lang.Object

org.apache.storm.kafka.bolt.mapper.FieldNameBasedTupleToKafkaMapper<K,V>

All Implemented Interfaces:

Serializable, TupleToKafkaMapper<K,V>

public class FieldNameBasedTupleToKafkaMapper<K,V>
extends Object
implements TupleToKafkaMapper<K,V>

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	BOLT_KEY
static final String	BOLT_MESSAGE
String	boltKeyField
String	boltMessageField

Constructor Summary

Constructors

Constructor	Description
FieldNameBasedTupleToKafkaMapper()
FieldNameBasedTupleToKafkaMapper(String boltKeyField, String boltMessageField)

Method Summary

Modifier and Type	Method	Description
K	getKeyFromTuple(Tuple tuple)
V	getMessageFromTuple(Tuple tuple)

Methods inherited from class java.lang.Object

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

Field Details

BOLT_KEY

public static final String BOLT_KEY

See Also:

• Constant Field Values

BOLT_MESSAGE

public static final String BOLT_MESSAGE

See Also:

• Constant Field Values

boltKeyField

public String boltKeyField

boltMessageField

public String boltMessageField

Constructor Details

FieldNameBasedTupleToKafkaMapper

public FieldNameBasedTupleToKafkaMapper()

FieldNameBasedTupleToKafkaMapper

public FieldNameBasedTupleToKafkaMapper(String boltKeyField,
 String boltMessageField)

Method Details

getKeyFromTuple

public K getKeyFromTuple(Tuple tuple)

Specified by:

getKeyFromTuple in interface TupleToKafkaMapper<K,V>

getMessageFromTuple

public V getMessageFromTuple(Tuple tuple)

Specified by:

getMessageFromTuple in interface TupleToKafkaMapper<K,V>