PageRank.SimplePageRankVertexOutputFormat (Grape Java SDK 0.28.0 API)

java.lang.Object
- org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable<I,V,E>
- - org.apache.giraph.io.OutputFormat<I,V,E>
  - - org.apache.giraph.io.VertexOutputFormat<I,V,E>
    - - org.apache.giraph.io.formats.TextVertexOutputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.DoubleWritable>
      - com.alibaba.graphscope.example.giraph.PageRank.SimplePageRankVertexOutputFormat

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>

Enclosing class:

PageRank
```
public static class PageRank.SimplePageRankVertexOutputFormat
extends TextVertexOutputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.DoubleWritable>
```
Simple VertexOutputFormat that supports PageRank

Nested Class Summary

Nested Classes
Modifier and Type Class Description

class PageRank.SimplePageRankVertexOutputFormat.SimplePageRankVertexWriter
Simple VertexWriter that supports PageRank
- Nested classes/interfaces inherited from class org.apache.giraph.io.formats.TextVertexOutputFormat
  TextVertexOutputFormat.TextVertexWriter, TextVertexOutputFormat.TextVertexWriterToEachLine

Field Summary
- Fields inherited from class org.apache.giraph.io.formats.TextVertexOutputFormat
  textOutputFormat

Constructor Summary

Constructors
Constructor Description

SimplePageRankVertexOutputFormat()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`TextVertexOutputFormat.TextVertexWriter`	`createVertexWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)`	The factory method which produces the `TextVertexOutputFormat.TextVertexWriter` used by this output format.

Methods inherited from class org.apache.giraph.io.formats.TextVertexOutputFormat
checkOutputSpecs, getOutputCommitter

Methods inherited from class org.apache.giraph.io.OutputFormat
postWriting, preWriting

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
  - SimplePageRankVertexOutputFormat
```
public SimplePageRankVertexOutputFormat()
```
- Method Detail
  - createVertexWriter
```
public TextVertexOutputFormat.TextVertexWriter createVertexWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                           throws IOException,
                                                                  InterruptedException
```
    Description copied from class: TextVertexOutputFormat
    
    The factory method which produces the TextVertexOutputFormat.TextVertexWriter used by this output format.
    
    Specified by:
    
    createVertexWriter in class TextVertexOutputFormat<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.DoubleWritable>
    
    Parameters:
    
    context - the information about the task
    
    Returns:
    
    the text vertex writer to be used
    
    Throws:
    
    IOException
    
    InterruptedException