org.apache.hadoop.hbase.regionserver.wal
Class SequenceFileLogWriter
java.lang.Object
org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogWriter
- All Implemented Interfaces:
- HLog.Writer
public class SequenceFileLogWriter
- extends Object
- implements HLog.Writer
Implementation of HLog.Writer
that delegates to
SequenceFile.Writer.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
SequenceFileLogWriter
public SequenceFileLogWriter()
- Default constructor.
SequenceFileLogWriter
public SequenceFileLogWriter(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.Writer
- Throws:
IOException
append
public void append(HLog.Entry entry)
throws IOException
- Specified by:
append
in interface HLog.Writer
- Throws:
IOException
close
public void close()
throws IOException
- Specified by:
close
in interface HLog.Writer
- Throws:
IOException
sync
public void sync()
throws IOException
- Specified by:
sync
in interface HLog.Writer
- Throws:
IOException
getLength
public long getLength()
throws IOException
- Specified by:
getLength
in interface HLog.Writer
- Throws:
IOException
getDFSCOutputStream
public OutputStream getDFSCOutputStream()
- Returns:
- The dfsclient out stream up inside SF.Writer made accessible, or
null if not available.
Copyright © 2011 The Apache Software Foundation. All Rights Reserved.