Package org.apache.hadoop.io

Class ArrayFile.Writer

java.lang.Object

org.apache.hadoop.io.MapFile.Writer

org.apache.hadoop.io.ArrayFile.Writer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Enclosing class:

ArrayFile

public static class ArrayFile.Writer
extends MapFile.Writer

Write a new array file.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.io.MapFile.Writer

MapFile.Writer.Option

Constructor Summary

Constructors

Constructor	Description
Writer(Configuration conf, FileSystem fs, java.lang.String file, java.lang.Class<? extends Writable> valClass)	Create the named file for values of the named class.
Writer(Configuration conf, FileSystem fs, java.lang.String file, java.lang.Class<? extends Writable> valClass, SequenceFile.CompressionType compress, Progressable progress)	Create the named file for values of the named class.

Method Summary

Modifier and Type	Method	Description
void	append(Writable value)	Append a value to the file.

Methods inherited from class org.apache.hadoop.io.MapFile.Writer

append, close, comparator, compression, compression, getIndexInterval, keyClass, progressable, setIndexInterval, setIndexInterval, valueClass

Methods inherited from class java.lang.Object

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

Constructor Detail

Writer

public Writer(Configuration conf,
              FileSystem fs,
              java.lang.String file,
              java.lang.Class<? extends Writable> valClass)
       throws java.io.IOException

Create the named file for values of the named class.

Parameters:

conf - configuration.

fs - file system.

file - file.

valClass - valClass.

Throws:

java.io.IOException - raised on errors performing I/O.

Writer

public Writer(Configuration conf,
              FileSystem fs,
              java.lang.String file,
              java.lang.Class<? extends Writable> valClass,
              SequenceFile.CompressionType compress,
              Progressable progress)
       throws java.io.IOException

Create the named file for values of the named class.

Parameters:

conf - configuration.

fs - file system.

file - file.

valClass - valClass.

compress - compress.

progress - progress.

Throws:

java.io.IOException - raised on errors performing I/O.

Method Detail

append

public void append(Writable value)
            throws java.io.IOException

Append a value to the file.

Parameters:

value - value.

Throws:

java.io.IOException - raised on errors performing I/O.