org.janusgraph.hadoop.formats.util

Class HadoopInputFormat

java.lang.Object

org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.NullWritable,org.apache.tinkerpop.gremlin.hadoop.structure.io.VertexWritable>

org.janusgraph.hadoop.formats.util.HadoopInputFormat

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.tinkerpop.gremlin.hadoop.structure.io.GraphFilterAware

public abstract class HadoopInputFormat
extends org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.NullWritable,org.apache.tinkerpop.gremlin.hadoop.structure.io.VertexWritable>
implements org.apache.hadoop.conf.Configurable, org.apache.tinkerpop.gremlin.hadoop.structure.io.GraphFilterAware

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HadoopInputFormat.RefCountedCloseable<T extends AutoCloseable>

Constructor Summary

Constructors

Constructor and Description
HadoopInputFormat(org.apache.hadoop.mapreduce.InputFormat<StaticBuffer,Iterable<Entry>> inputFormat)

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.tinkerpop.gremlin.hadoop.structure.io.VertexWritable>	createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)
org.apache.hadoop.conf.Configuration	getConf()
List<org.apache.hadoop.mapreduce.InputSplit>	getSplits(org.apache.hadoop.mapreduce.JobContext context)
void	setConf(org.apache.hadoop.conf.Configuration conf)
void	setGraphFilter(org.apache.tinkerpop.gremlin.process.computer.GraphFilter graphFilter)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.tinkerpop.gremlin.hadoop.structure.io.GraphFilterAware

storeGraphFilter

Constructor Detail

HadoopInputFormat

public HadoopInputFormat(org.apache.hadoop.mapreduce.InputFormat<StaticBuffer,Iterable<Entry>> inputFormat)

Method Detail

getSplits

public List<org.apache.hadoop.mapreduce.InputSplit> getSplits(org.apache.hadoop.mapreduce.JobContext context)
                                                       throws IOException,
                                                              InterruptedException

Specified by:

getSplits in class org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.NullWritable,org.apache.tinkerpop.gremlin.hadoop.structure.io.VertexWritable>

Throws:

IOException

InterruptedException

createRecordReader

public org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.tinkerpop.gremlin.hadoop.structure.io.VertexWritable> createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
                                                                                                                                                                      org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                                                                                                                               throws IOException,
                                                                                                                                                                      InterruptedException

Specified by:

createRecordReader in class org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.NullWritable,org.apache.tinkerpop.gremlin.hadoop.structure.io.VertexWritable>

Throws:

IOException

InterruptedException

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable

setGraphFilter

public void setGraphFilter(org.apache.tinkerpop.gremlin.process.computer.GraphFilter graphFilter)

Specified by:

setGraphFilter in interface org.apache.tinkerpop.gremlin.hadoop.structure.io.GraphFilterAware