DatagenVertexInputFormat (Grape Java SDK 0.27.0 API)

java.lang.Object
- org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable<I,V,E>
- - org.apache.giraph.io.GiraphInputFormat<I,V,E>
  - - org.apache.giraph.io.VertexInputFormat<I,V,E>
    - - org.apache.giraph.io.formats.TextVertexInputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.DoubleWritable>
      - com.alibaba.graphscope.example.giraph.format.DatagenVertexInputFormat

All Implemented Interfaces:

org.apache.giraph.conf.GiraphConfigurationSettable<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.DoubleWritable>, org.apache.giraph.conf.ImmutableClassesGiraphConfigurable<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.DoubleWritable>
```
public class DatagenVertexInputFormat
extends TextVertexInputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.DoubleWritable>
```

Nested Class Summary

Nested Classes
Modifier and Type Class Description

class DatagenVertexInputFormat.P2PVertexReader
- Nested classes/interfaces inherited from class org.apache.giraph.io.formats.TextVertexInputFormat
  TextVertexInputFormat.TextVertexReader, TextVertexInputFormat.TextVertexReaderFromEachLine, TextVertexInputFormat.TextVertexReaderFromEachLineProcessed<T>, TextVertexInputFormat.TextVertexReaderFromEachLineProcessedHandlingExceptions<T,X extends Throwable>

Constructor Summary

Constructors
Constructor Description

DatagenVertexInputFormat()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`TextVertexInputFormat.TextVertexReader`	`createVertexReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)`	The factory method which produces the `TextVertexInputFormat.TextVertexReader` used by this input format.

Methods inherited from class org.apache.giraph.io.formats.TextVertexInputFormat
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
  - DatagenVertexInputFormat
```
public DatagenVertexInputFormat()
```
- Method Detail
  - createVertexReader
```
public TextVertexInputFormat.TextVertexReader createVertexReader(org.apache.hadoop.mapreduce.InputSplit split,
                                                                 org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                          throws IOException
```
    The factory method which produces the TextVertexInputFormat.TextVertexReader used by this input format.
    
    Specified by:
    
    createVertexReader in class TextVertexInputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.DoubleWritable>
    
    Parameters:
    
    split - the split to be read
    
    context - the information about the task
    
    Returns:
    
    the text vertex reader to be used
    
    Throws:
    
    IOException