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CrunchTool (Apache Crunch 0.7.0 API)

org.apache.crunch.util
Class CrunchTool

java.lang.Object
  extended by org.apache.hadoop.conf.Configured
      extended by org.apache.crunch.util.CrunchTool
All Implemented Interfaces:
Serializable, org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool
Direct Known Subclasses:
SortExample

public abstract class CrunchTool
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool, Serializable

An extension of the Tool interface that creates a Pipeline instance and provides methods for working with the Pipeline from inside of the Tool's run method.

See Also:
Serialized Form

Constructor Summary
CrunchTool()
           
CrunchTool(boolean inMemory)
           
 
Method Summary
 PipelineResult done()
           
 void enableDebug()
           
 org.apache.hadoop.conf.Configuration getConf()
           
<T> Iterable<T>
materialize(PCollection<T> pcollection)
           
<T> PCollection<T>
read(Source<T> source)
           
<K,V> PTable<K,V>
read(TableSource<K,V> tableSource)
           
 PCollection<String> readTextFile(String pathName)
           
 PipelineResult run()
           
 PipelineExecution runAsync()
           
 void setConf(org.apache.hadoop.conf.Configuration conf)
           
 void write(PCollection<?> pcollection, Target target)
           
 void writeTextFile(PCollection<?> pcollection, String pathName)
           
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.apache.hadoop.util.Tool
run
 

Constructor Detail

CrunchTool

public CrunchTool()

CrunchTool

public CrunchTool(boolean inMemory)
Method Detail

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)
Specified by:
setConf in interface org.apache.hadoop.conf.Configurable
Overrides:
setConf in class org.apache.hadoop.conf.Configured

getConf

public org.apache.hadoop.conf.Configuration getConf()
Specified by:
getConf in interface org.apache.hadoop.conf.Configurable
Overrides:
getConf in class org.apache.hadoop.conf.Configured

enableDebug

public void enableDebug()

read

public <T> PCollection<T> read(Source<T> source)

read

public <K,V> PTable<K,V> read(TableSource<K,V> tableSource)

readTextFile

public PCollection<String> readTextFile(String pathName)

write

public void write(PCollection<?> pcollection,
                  Target target)

writeTextFile

public void writeTextFile(PCollection<?> pcollection,
                          String pathName)

materialize

public <T> Iterable<T> materialize(PCollection<T> pcollection)

run

public PipelineResult run()

runAsync

public PipelineExecution runAsync()

done

public PipelineResult done()


Copyright © 2013 The Apache Software Foundation. All Rights Reserved.