com.mapr.db.mapreduce

Class BulkLoadRecordWriter

java.lang.Object

org.apache.hadoop.mapreduce.RecordWriter<org.ojai.Value,org.ojai.Document>

com.mapr.db.mapreduce.BulkLoadRecordWriter

public class BulkLoadRecordWriter
extends org.apache.hadoop.mapreduce.RecordWriter<org.ojai.Value,org.ojai.Document>

Receives a document from Map/Reduce phase and writes to a JSON table using bulkload mode.

Constructor Summary

Constructors

Constructor and Description
BulkLoadRecordWriter(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path tablePath)

Method Summary

Modifier and Type	Method and Description
void	close(org.apache.hadoop.mapreduce.TaskAttemptContext c)
void	write(org.ojai.Value rowKey, org.ojai.Document record) Writes a document to the table.
void	write(org.ojai.Value idValue, org.ojai.store.DocumentMutation mutation) Writes a record mutation to the table.

Methods inherited from class java.lang.Object

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

Constructor Detail

BulkLoadRecordWriter

public BulkLoadRecordWriter(org.apache.hadoop.conf.Configuration conf,
                            org.apache.hadoop.fs.Path tablePath)
                     throws java.io.IOException,
                            com.mapr.db.exceptions.TableNotFoundException

Throws:

java.io.IOException

com.mapr.db.exceptions.TableNotFoundException

Method Detail

write

public void write(org.ojai.Value idValue,
                  org.ojai.store.DocumentMutation mutation)
           throws java.io.IOException,
                  java.lang.InterruptedException,
                  java.lang.NullPointerException

Writes a record mutation to the table.

Parameters:

idValue - rowkey in the table.

mutation - mutation to be updated in the table.

Throws:

java.io.IOException

java.lang.InterruptedException

java.lang.NullPointerException

write

public void write(org.ojai.Value rowKey,
                  org.ojai.Document record)
           throws java.io.IOException,
                  java.lang.InterruptedException,
                  java.lang.NullPointerException

Writes a document to the table.

Specified by:

write in class org.apache.hadoop.mapreduce.RecordWriter<org.ojai.Value,org.ojai.Document>

Parameters:

rowKey - rowkey to be written to the table.

record - document to be written.

Throws:

java.io.IOException

java.lang.InterruptedException

java.lang.NullPointerException

close

public void close(org.apache.hadoop.mapreduce.TaskAttemptContext c)
           throws java.io.IOException,
                  java.lang.InterruptedException

Specified by:

close in class org.apache.hadoop.mapreduce.RecordWriter<org.ojai.Value,org.ojai.Document>

Throws:

java.io.IOException

java.lang.InterruptedException