com.thinkaurelius.titan.hadoop.formats.edgelist.rdf

Class RDFInputFormat

java.lang.Object

org.apache.hadoop.mapreduce.InputFormat<K,V>

org.apache.hadoop.mapreduce.lib.input.FileInputFormat<org.apache.hadoop.io.NullWritable,FaunusElement>

com.thinkaurelius.titan.hadoop.formats.edgelist.rdf.RDFInputFormat

All Implemented Interfaces:

MapReduceFormat

public class RDFInputFormat
extends org.apache.hadoop.mapreduce.lib.input.FileInputFormat<org.apache.hadoop.io.NullWritable,FaunusElement>
implements MapReduceFormat

Author:

Marko A. Rodriguez (http://markorodriguez.com)

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

org.apache.hadoop.mapreduce.lib.input.FileInputFormat.Counter

Field Summary

Fields inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

INPUT_DIR, INPUT_DIR_RECURSIVE, NUM_INPUT_FILES, PATHFILTER_CLASS, SPLIT_MAXSIZE, SPLIT_MINSIZE

Constructor Summary

Constructors

Constructor and Description
RDFInputFormat()

Method Summary

Modifier and Type	Method and Description
void	addMapReduceJobs(HadoopCompiler compiler)
org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,FaunusElement>	createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)
protected boolean	isSplitable(org.apache.hadoop.mapreduce.JobContext context, org.apache.hadoop.fs.Path file)

Methods inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

addInputPath, addInputPathRecursively, addInputPaths, computeSplitSize, getBlockIndex, getFormatMinSplitSize, getInputDirRecursive, getInputPathFilter, getInputPaths, getMaxSplitSize, getMinSplitSize, getSplits, listStatus, makeSplit, setInputDirRecursive, setInputPathFilter, setInputPaths, setInputPaths, setMaxInputSplitSize, setMinInputSplitSize

Methods inherited from class java.lang.Object

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

Constructor Detail

RDFInputFormat

public RDFInputFormat()

Method Detail

createRecordReader

public org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,FaunusElement> createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
                                                                                                                    org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                                                                             throws IOException

Specified by:

createRecordReader in class org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.NullWritable,FaunusElement>

Throws:

IOException

isSplitable

protected boolean isSplitable(org.apache.hadoop.mapreduce.JobContext context,
                              org.apache.hadoop.fs.Path file)

Overrides:

isSplitable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat<org.apache.hadoop.io.NullWritable,FaunusElement>

addMapReduceJobs

public void addMapReduceJobs(HadoopCompiler compiler)

Specified by:

addMapReduceJobs in interface MapReduceFormat