cascading.tap.hadoop
Class HadoopTupleEntrySchemeCollector
java.lang.Object
cascading.tuple.TupleEntryCollector
cascading.tuple.TupleEntrySchemeCollector<JobConf,OutputCollector>
cascading.tap.hadoop.HadoopTupleEntrySchemeCollector
public class HadoopTupleEntrySchemeCollector
- extends TupleEntrySchemeCollector<JobConf,OutputCollector>
Class TapCollector is a kind of TupleEntryCollector
that writes tuples to the resource managed by
a particular Tap
instance.
Constructor Summary |
HadoopTupleEntrySchemeCollector(FlowProcess<JobConf> flowProcess,
Tap<JobConf,RecordReader,OutputCollector> tap)
Constructor TapCollector creates a new TapCollector instance. |
HadoopTupleEntrySchemeCollector(FlowProcess<JobConf> flowProcess,
Tap<JobConf,RecordReader,OutputCollector> tap,
OutputCollector outputCollector)
|
HadoopTupleEntrySchemeCollector(FlowProcess<JobConf> flowProcess,
Tap<JobConf,RecordReader,OutputCollector> tap,
java.lang.String prefix)
Constructor TapCollector creates a new TapCollector instance. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
HadoopTupleEntrySchemeCollector
public HadoopTupleEntrySchemeCollector(FlowProcess<JobConf> flowProcess,
Tap<JobConf,RecordReader,OutputCollector> tap)
throws java.io.IOException
- Constructor TapCollector creates a new TapCollector instance.
- Parameters:
flowProcess
- tap
- of type Tap @throws IOException when fails to initialize
- Throws:
java.io.IOException
HadoopTupleEntrySchemeCollector
public HadoopTupleEntrySchemeCollector(FlowProcess<JobConf> flowProcess,
Tap<JobConf,RecordReader,OutputCollector> tap,
java.lang.String prefix)
throws java.io.IOException
- Constructor TapCollector creates a new TapCollector instance.
- Parameters:
flowProcess
- tap
- of type Tapprefix
- of type String
- Throws:
java.io.IOException
- when fails to initialize
HadoopTupleEntrySchemeCollector
public HadoopTupleEntrySchemeCollector(FlowProcess<JobConf> flowProcess,
Tap<JobConf,RecordReader,OutputCollector> tap,
OutputCollector outputCollector)
wrapOutput
protected OutputCollector<?,?> wrapOutput(OutputCollector outputCollector)
- Overrides:
wrapOutput
in class TupleEntrySchemeCollector<JobConf,OutputCollector>
Copyright © 2007-2011 Concurrent, Inc. All Rights Reserved.