org.apache.mahout.common.iterator.sequencefile

Class SequenceFileDirValueIterable<V extends org.apache.hadoop.io.Writable>

java.lang.Object

org.apache.mahout.common.iterator.sequencefile.SequenceFileDirValueIterable<V>

All Implemented Interfaces:

Iterable<V>

public final class SequenceFileDirValueIterable<V extends org.apache.hadoop.io.Writable>
extends Object
implements Iterable<V>

Iterable counterpart to SequenceFileDirValueIterator.

Constructor Summary

Constructors

Constructor and Description
SequenceFileDirValueIterable(org.apache.hadoop.fs.Path path, PathType pathType, org.apache.hadoop.conf.Configuration conf)
SequenceFileDirValueIterable(org.apache.hadoop.fs.Path path, PathType pathType, org.apache.hadoop.fs.PathFilter filter, Comparator<org.apache.hadoop.fs.FileStatus> ordering, boolean reuseKeyValueInstances, org.apache.hadoop.conf.Configuration conf)
SequenceFileDirValueIterable(org.apache.hadoop.fs.Path path, PathType pathType, org.apache.hadoop.fs.PathFilter filter, org.apache.hadoop.conf.Configuration conf)

Method Summary

Methods

Modifier and Type	Method and Description
Iterator<V>	iterator()

Methods inherited from class java.lang.Object

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

Constructor Detail

SequenceFileDirValueIterable

public SequenceFileDirValueIterable(org.apache.hadoop.fs.Path path,
                            PathType pathType,
                            org.apache.hadoop.conf.Configuration conf)

SequenceFileDirValueIterable

public SequenceFileDirValueIterable(org.apache.hadoop.fs.Path path,
                            PathType pathType,
                            org.apache.hadoop.fs.PathFilter filter,
                            org.apache.hadoop.conf.Configuration conf)

SequenceFileDirValueIterable

public SequenceFileDirValueIterable(org.apache.hadoop.fs.Path path,
                            PathType pathType,
                            org.apache.hadoop.fs.PathFilter filter,
                            Comparator<org.apache.hadoop.fs.FileStatus> ordering,
                            boolean reuseKeyValueInstances,
                            org.apache.hadoop.conf.Configuration conf)

Parameters:

path - file to iterate over

pathType - whether or not to treat path as a directory (PathType.LIST) or glob pattern (PathType.GLOB)

filter - if not null, specifies sequence files to be ignored by the iteration

ordering - if not null, specifies the order in which to iterate over matching sequence files

reuseKeyValueInstances - if true, reuses instances of the value object instead of creating a new one for each read from the file

Method Detail

iterator

public Iterator<V> iterator()

Specified by:

iterator in interface Iterable<V extends org.apache.hadoop.io.Writable>