de.l3s.icrawl.snapshots

Class HdfsSnapshotReader

java.lang.Object

de.l3s.icrawl.snapshots.HdfsSnapshotReader

All Implemented Interfaces:

SnapshotReader

public class HdfsSnapshotReader
extends Object
implements SnapshotReader

Constructor Summary

Constructors

Constructor and Description
HdfsSnapshotReader(org.apache.hadoop.conf.Configuration conf, com.codahale.metrics.MetricRegistry metrics)

Method Summary

Modifier and Type	Method and Description
org.archive.io.ArchiveReader	open(SnaphotLocation location) Open a reader at the given location.

Methods inherited from class java.lang.Object

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

Constructor Detail

HdfsSnapshotReader

public HdfsSnapshotReader(org.apache.hadoop.conf.Configuration conf,
                          com.codahale.metrics.MetricRegistry metrics)
                   throws IOException

Throws:

IOException

Method Detail

open

public org.archive.io.ArchiveReader open(SnaphotLocation location)
                                  throws IOException

Description copied from interface: SnapshotReader

Open a reader at the given location. The caller is responsible for closing the returned reader.

Specified by:

open in interface SnapshotReader

Parameters:

location - snapshot location, never null

Returns:

reader positioned at the given location

Throws:

IOException