java.lang.Object
- org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable<I,V,E>
- - org.apache.giraph.io.GiraphInputFormat<I,org.apache.hadoop.io.Writable,E>
  - - org.apache.giraph.io.EdgeInputFormat<I,E>
    - - org.apache.giraph.io.formats.TextEdgeInputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable>
      - com.alibaba.graphscope.example.giraph.format.LiveJournalEdgeInputFormat

All Implemented Interfaces:

org.apache.giraph.conf.GiraphConfigurationSettable<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Writable,org.apache.hadoop.io.LongWritable>, org.apache.giraph.conf.ImmutableClassesGiraphConfigurable<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Writable,org.apache.hadoop.io.LongWritable>
```
public class LiveJournalEdgeInputFormat
extends TextEdgeInputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable>
```

Nested Class Summary

Nested Classes
Modifier and Type Class Description

class LiveJournalEdgeInputFormat.LiveJournalEdgeReader
- Nested classes/interfaces inherited from class org.apache.giraph.io.formats.TextEdgeInputFormat
  TextEdgeInputFormat.TextEdgeReader, TextEdgeInputFormat.TextEdgeReaderFromEachLine, TextEdgeInputFormat.TextEdgeReaderFromEachLineProcessed<T>

Constructor Summary

Constructors
Constructor Description

LiveJournalEdgeInputFormat()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`org.apache.giraph.io.EdgeReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable>`	`createEdgeReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)`	Create an edge reader for a given split.

Methods inherited from class org.apache.giraph.io.formats.TextEdgeInputFormat
checkInputSpecs, getSplits

Methods inherited from class org.apache.giraph.io.GiraphInputFormat
readInputSplit, writeInputSplit

Methods inherited from class org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable
getConf, setConf

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- LiveJournalEdgeInputFormat
```
public LiveJournalEdgeInputFormat()
```

Method Detail

createEdgeReader

public org.apache.giraph.io.EdgeReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable> createEdgeReader(org.apache.hadoop.mapreduce.InputSplit split,
                                                                                                                                   org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                                                                                            throws IOException

Create an edge reader for a given split. The framework will call EdgeReader.initialize(InputSplit, TaskAttemptContext) before the split is used.

Specified by:: createEdgeReader in class org.apache.giraph.io.EdgeInputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.LongWritable>
Parameters:: split - the split to be read; context - the information about the task
Returns:: a new record reader
Throws:: IOException

Class LiveJournalEdgeInputFormat

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.giraph.io.formats.TextEdgeInputFormat

Constructor Summary

Method Summary

Methods inherited from class org.apache.giraph.io.formats.TextEdgeInputFormat

Methods inherited from class org.apache.giraph.io.GiraphInputFormat

Methods inherited from class org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable

Methods inherited from class java.lang.Object

Constructor Detail

LiveJournalEdgeInputFormat

Method Detail

createEdgeReader