cascading.tap.hadoop.io

Class TapOutputCollector

java.lang.Object

cascading.tap.hadoop.io.TapOutputCollector

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class TapOutputCollector
extends java.lang.Object
implements java.io.Closeable

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	PART_TASK_PATTERN
static java.lang.String	PART_TASK_SEQ_PATTERN

Constructor Summary

Constructors

Constructor and Description
TapOutputCollector(cascading.flow.FlowProcess<? extends Configuration> flowProcess, cascading.tap.Tap<Configuration,RecordReader,OutputCollector> tap)
TapOutputCollector(cascading.flow.FlowProcess<? extends Configuration> flowProcess, cascading.tap.Tap<Configuration,RecordReader,OutputCollector> tap, java.lang.String prefix)
TapOutputCollector(cascading.flow.FlowProcess<? extends Configuration> flowProcess, cascading.tap.Tap<Configuration,RecordReader,OutputCollector> tap, java.lang.String prefix, long sequence)

Method Summary

Modifier and Type	Method and Description
void	close()
void	collect(java.lang.Object writableComparable, java.lang.Object writable) Method collect writes the given values to the Tap this instance encapsulates.
protected void	initialize()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PART_TASK_PATTERN

public static final java.lang.String PART_TASK_PATTERN

See Also:

Constant Field Values

PART_TASK_SEQ_PATTERN

public static final java.lang.String PART_TASK_SEQ_PATTERN

See Also:

Constant Field Values

Constructor Detail

TapOutputCollector

public TapOutputCollector(cascading.flow.FlowProcess<? extends Configuration> flowProcess,
                          cascading.tap.Tap<Configuration,RecordReader,OutputCollector> tap)
                   throws java.io.IOException

Throws:

java.io.IOException

TapOutputCollector

public TapOutputCollector(cascading.flow.FlowProcess<? extends Configuration> flowProcess,
                          cascading.tap.Tap<Configuration,RecordReader,OutputCollector> tap,
                          java.lang.String prefix)
                   throws java.io.IOException

Throws:

java.io.IOException

TapOutputCollector

public TapOutputCollector(cascading.flow.FlowProcess<? extends Configuration> flowProcess,
                          cascading.tap.Tap<Configuration,RecordReader,OutputCollector> tap,
                          java.lang.String prefix,
                          long sequence)
                   throws java.io.IOException

Throws:

java.io.IOException

Method Detail

initialize

protected void initialize()
                   throws java.io.IOException

Throws:

java.io.IOException

collect

public void collect(java.lang.Object writableComparable,
                    java.lang.Object writable)
             throws java.io.IOException

Method collect writes the given values to the Tap this instance encapsulates.

Parameters:

writableComparable - of type WritableComparable

writable - of type Writable

Throws:

java.io.IOException - when

close

public void close()

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable