org.apache.hadoop.hbase.regionserver.wal
Class SequenceFileLogReader
java.lang.Object
org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader
- All Implemented Interfaces:
- HLog.Reader
public class SequenceFileLogReader
- extends Object
- implements HLog.Reader
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
keyClass
protected Class<? extends HLogKey> keyClass
SequenceFileLogReader
public SequenceFileLogReader()
- Default constructor.
SequenceFileLogReader
public SequenceFileLogReader(Class<? extends HLogKey> keyClass)
- This constructor allows a specific HLogKey implementation to override that
which would otherwise be chosen via configuration property.
- Parameters:
keyClass
-
init
public void init(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path path,
org.apache.hadoop.conf.Configuration conf)
throws IOException
- Specified by:
init
in interface HLog.Reader
- Throws:
IOException
close
public void close()
throws IOException
- Specified by:
close
in interface HLog.Reader
- Throws:
IOException
next
public HLog.Entry next()
throws IOException
- Specified by:
next
in interface HLog.Reader
- Throws:
IOException
next
public HLog.Entry next(HLog.Entry reuse)
throws IOException
- Specified by:
next
in interface HLog.Reader
- Throws:
IOException
seek
public void seek(long pos)
throws IOException
- Specified by:
seek
in interface HLog.Reader
- Throws:
IOException
getPosition
public long getPosition()
throws IOException
- Specified by:
getPosition
in interface HLog.Reader
- Throws:
IOException
addFileInfoToException
protected IOException addFileInfoToException(IOException ioe)
throws IOException
- Throws:
IOException
Copyright © 2011 The Apache Software Foundation. All Rights Reserved.