org.apache.giraph.io.formats

Class GiraphTextInputFormat

java.lang.Object

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

org.apache.hadoop.mapreduce.lib.input.FileInputFormat<K,V>

org.apache.giraph.io.formats.GiraphFileInputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

org.apache.giraph.io.formats.GiraphTextInputFormat

public class GiraphTextInputFormat
extends GiraphFileInputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Provides functionality similar to TextInputFormat, but allows for different data sources (vertex and edge data).

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.giraph.io.formats.GiraphFileInputFormat

EDGE_INPUT_DIR, NUM_EDGE_INPUT_FILES, NUM_VERTEX_INPUT_FILES, VERTEX_INPUT_DIR

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

DEFAULT_LIST_STATUS_NUM_THREADS, INPUT_DIR, INPUT_DIR_RECURSIVE, LIST_STATUS_NUM_THREADS, NUM_INPUT_FILES, PATHFILTER_CLASS, SPLIT_MAXSIZE, SPLIT_MINSIZE

Constructor Summary

Constructors

Constructor and Description
GiraphTextInputFormat()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>	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.giraph.io.formats.GiraphFileInputFormat

addEdgeInputPath, addVertexInputPath, getEdgeInputPaths, getEdgeSplits, getVertexInputPaths, getVertexSplits, listEdgeStatus, listVertexStatus, setEdgeInputPath, setVertexInputPath

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, 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

GiraphTextInputFormat

public GiraphTextInputFormat()

Method Detail

createRecordReader

public org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text> createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
                                                                                                                                org.apache.hadoop.mapreduce.TaskAttemptContext context)

Specified by:

createRecordReader in class org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

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.LongWritable,org.apache.hadoop.io.Text>