Package org.apache.accumulo.core.file.rfile

Class MultiLevelIndex.BufferedWriter

java.lang.Object

org.apache.accumulo.core.file.rfile.MultiLevelIndex.BufferedWriter

Enclosing class:

MultiLevelIndex

public static class MultiLevelIndex.BufferedWriter
extends Object

this class buffers writes to the index so that chunks of index blocks are contiguous in the file instead of having index blocks sprinkled throughout the file making scans of the entire index slow.

Constructor Summary

Constructors

Constructor	Description
BufferedWriter(MultiLevelIndex.Writer writer)

Method Summary

Modifier and Type	Method	Description
void	add(Key key, int data, long offset, long compressedSize, long rawSize)
void	addLast(Key key, int data, long offset, long compressedSize, long rawSize)
void	close(DataOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

BufferedWriter

public BufferedWriter(MultiLevelIndex.Writer writer)

Method Detail

add

public void add(Key key,
                int data,
                long offset,
                long compressedSize,
                long rawSize)
         throws IOException

Throws:

IOException

addLast

public void addLast(Key key,
                    int data,
                    long offset,
                    long compressedSize,
                    long rawSize)
             throws IOException

Throws:

IOException

close

public void close(DataOutput out)
           throws IOException

Throws:

IOException