Package org.apache.hadoop.hbase.regionserver.wal

Class CombinedWriter

java.lang.Object

org.apache.hadoop.hbase.regionserver.wal.CombinedWriterBase<WALProvider.Writer>

org.apache.hadoop.hbase.regionserver.wal.CombinedWriter

All Implemented Interfaces:

Closeable, AutoCloseable, WALProvider.Writer, WALProvider.WriterBase

@Private
public final class CombinedWriter
extends CombinedWriterBase<WALProvider.Writer>
implements WALProvider.Writer

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static interface	CombinedWriter.Action

Field Summary

Fields

Modifier and Type	Field	Description
private final org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList<ExecutorService>	executors

Fields inherited from class org.apache.hadoop.hbase.regionserver.wal.CombinedWriterBase

writers

Constructor Summary

Constructors

Modifier	Constructor	Description
private	CombinedWriter(org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList<WALProvider.Writer> writers)

Method Summary

Modifier and Type	Method	Description
void	append(WAL.Entry entry)
private void	apply(CombinedWriter.Action action)
void	close()
static CombinedWriter	create(WALProvider.Writer writer, WALProvider.Writer... writers)
void	sync(boolean forceSync)

Methods inherited from class org.apache.hadoop.hbase.regionserver.wal.CombinedWriterBase

getLength, getSyncedLength

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hbase.wal.WALProvider.WriterBase

getLength, getSyncedLength

Field Details

executors

private final org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList<ExecutorService> executors

Constructor Details

CombinedWriter

private CombinedWriter(org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList<WALProvider.Writer> writers)

Method Details

apply

private void apply(CombinedWriter.Action action)
            throws IOException

Throws:

IOException

sync

public void sync(boolean forceSync)
          throws IOException

Specified by:

sync in interface WALProvider.Writer

Throws:

IOException

append

public void append(WAL.Entry entry)
            throws IOException

Specified by:

append in interface WALProvider.Writer

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class CombinedWriterBase<WALProvider.Writer>

Throws:

IOException

create

public static CombinedWriter create(WALProvider.Writer writer,
 WALProvider.Writer... writers)