org.apache.cassandra.io.util

Class CompressedSegmentedFile.Builder

java.lang.Object

org.apache.cassandra.io.util.SegmentedFile.Builder

org.apache.cassandra.io.util.CompressedSegmentedFile.Builder

All Implemented Interfaces:

java.lang.AutoCloseable

Direct Known Subclasses:

CompressedPoolingSegmentedFile.Builder

Enclosing class:

CompressedSegmentedFile

public static class CompressedSegmentedFile.Builder
extends SegmentedFile.Builder

Field Summary

Fields

Modifier and Type	Field and Description
protected CompressedSequentialWriter	writer

Constructor Summary

Constructors

Constructor and Description
Builder(CompressedSequentialWriter writer)

Method Summary

Modifier and Type	Method and Description
void	addPotentialBoundary(long boundary) Adds a position that would be a safe place for a segment boundary in the file.
SegmentedFile	complete(ChannelProxy channel, long overrideLength) Called after all potential boundaries have been added to apply this Builder to a concrete file on disk.
protected CompressionMetadata	metadata(java.lang.String path, long overrideLength)

Methods inherited from class org.apache.cassandra.io.util.SegmentedFile.Builder

close, close, complete, complete, deserializeBounds, serializeBounds

Methods inherited from class java.lang.Object

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

Field Detail

writer

protected final CompressedSequentialWriter writer

Constructor Detail

Builder

public Builder(CompressedSequentialWriter writer)

Method Detail

addPotentialBoundary

public void addPotentialBoundary(long boundary)

Description copied from class: SegmentedFile.Builder

Adds a position that would be a safe place for a segment boundary in the file. For a block/row based file format, safe boundaries are block/row edges.

Specified by:

addPotentialBoundary in class SegmentedFile.Builder

Parameters:

boundary - The absolute position of the potential boundary in the file.

metadata

protected CompressionMetadata metadata(java.lang.String path,
                                       long overrideLength)

complete

public SegmentedFile complete(ChannelProxy channel,
                              long overrideLength)

Description copied from class: SegmentedFile.Builder

Called after all potential boundaries have been added to apply this Builder to a concrete file on disk.

Specified by:

complete in class SegmentedFile.Builder

Parameters:

channel - The channel to the file on disk.