org.apache.storm.hive.bolt.mapper

Class JsonRecordHiveMapper

java.lang.Object

org.apache.storm.hive.bolt.mapper.JsonRecordHiveMapper

All Implemented Interfaces:

Serializable, HiveMapper

public class JsonRecordHiveMapper
extends Object
implements HiveMapper

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
JsonRecordHiveMapper()

Method Summary

Modifier and Type	Method and Description
org.apache.hive.hcatalog.streaming.RecordWriter	createRecordWriter(org.apache.hive.hcatalog.streaming.HiveEndPoint endPoint) Given a endPoint, returns a RecordWriter with columnNames.
List<String>	mapPartitions(TridentTuple tuple) Given a TridetnTuple, return a hive partition values list.
List<String>	mapPartitions(Tuple tuple) Given a tuple, return a hive partition values list.
byte[]	mapRecord(TridentTuple tuple) Given a TridentTuple, maps to a HiveRecord based on columnFields.
byte[]	mapRecord(Tuple tuple) Given a tuple, maps to a HiveRecord based on columnFields.
JsonRecordHiveMapper	withColumnFields(Fields columnFields)
JsonRecordHiveMapper	withPartitionFields(Fields partitionFields)
JsonRecordHiveMapper	withTimeAsPartitionField(String timeFormat)
void	write(org.apache.hive.hcatalog.streaming.TransactionBatch txnBatch, Tuple tuple)

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonRecordHiveMapper

public JsonRecordHiveMapper()

Method Detail

withColumnFields

public JsonRecordHiveMapper withColumnFields(Fields columnFields)

withPartitionFields

public JsonRecordHiveMapper withPartitionFields(Fields partitionFields)

withTimeAsPartitionField

public JsonRecordHiveMapper withTimeAsPartitionField(String timeFormat)

createRecordWriter

public org.apache.hive.hcatalog.streaming.RecordWriter createRecordWriter(org.apache.hive.hcatalog.streaming.HiveEndPoint endPoint)
                                                                   throws org.apache.hive.hcatalog.streaming.StreamingException,
                                                                          IOException,
                                                                          ClassNotFoundException

Description copied from interface: HiveMapper

Given a endPoint, returns a RecordWriter with columnNames.

Specified by:

createRecordWriter in interface HiveMapper

Throws:

org.apache.hive.hcatalog.streaming.StreamingException

IOException

ClassNotFoundException

write

public void write(org.apache.hive.hcatalog.streaming.TransactionBatch txnBatch,
                  Tuple tuple)
           throws org.apache.hive.hcatalog.streaming.StreamingException,
                  IOException,
                  InterruptedException

Specified by:

write in interface HiveMapper

Throws:

org.apache.hive.hcatalog.streaming.StreamingException

IOException

InterruptedException

mapPartitions

public List<String> mapPartitions(Tuple tuple)

Description copied from interface: HiveMapper

Given a tuple, return a hive partition values list.

Specified by:

mapPartitions in interface HiveMapper

mapPartitions

public List<String> mapPartitions(TridentTuple tuple)

Description copied from interface: HiveMapper

Given a TridetnTuple, return a hive partition values list.

Specified by:

mapPartitions in interface HiveMapper

mapRecord

public byte[] mapRecord(Tuple tuple)

Description copied from interface: HiveMapper

Given a tuple, maps to a HiveRecord based on columnFields.

Specified by:

mapRecord in interface HiveMapper

mapRecord

public byte[] mapRecord(TridentTuple tuple)

Description copied from interface: HiveMapper

Given a TridentTuple, maps to a HiveRecord based on columnFields.

Specified by:

mapRecord in interface HiveMapper