org.apache.hadoop.hbase.regionserver.wal
Class WriterBase
java.lang.Object
org.apache.hadoop.hbase.regionserver.wal.WriterBase
- All Implemented Interfaces:
- HLog.Writer
- Direct Known Subclasses:
- ProtobufLogWriter
@InterfaceAudience.Private
public abstract class WriterBase
- extends Object
- implements HLog.Writer
Context used by our wal dictionary compressor. Null if we're not to do our
custom dictionary compression.
Field Summary |
protected org.apache.hadoop.hbase.regionserver.wal.CompressionContext |
compressionContext
|
protected org.apache.hadoop.conf.Configuration |
conf
|
Method Summary |
void |
init(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path path,
org.apache.hadoop.conf.Configuration conf,
boolean overwritable)
|
boolean |
initializeCompressionContext(org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.Path path)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
compressionContext
protected org.apache.hadoop.hbase.regionserver.wal.CompressionContext compressionContext
conf
protected org.apache.hadoop.conf.Configuration conf
WriterBase
public WriterBase()
init
public void init(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path path,
org.apache.hadoop.conf.Configuration conf,
boolean overwritable)
throws IOException
- Specified by:
init
in interface HLog.Writer
- Throws:
IOException
initializeCompressionContext
public boolean initializeCompressionContext(org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.Path path)
throws IOException
- Throws:
IOException
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