Class DfsReftable

java.lang.Object

org.eclipse.jgit.internal.storage.dfs.BlockBasedFile

org.eclipse.jgit.internal.storage.dfs.DfsReftable

public class DfsReftable
extends BlockBasedFile

A reftable stored in DfsBlockCache.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	DfsReftable.CacheSource

Field Summary

Fields inherited from class BlockBasedFile

blockSize, cache, desc, ext, invalid, invalidatingCause, key, length

Constructor Summary

Constructors

Constructor	Description
DfsReftable(DfsBlockCache cache, DfsPackDescription desc)	Construct a reader for an existing reftable.
DfsReftable(DfsPackDescription desc)	Construct a reader for an existing reftable.

Method Summary

Modifier and Type	Method	Description
DfsPackDescription	getPackDescription()	Get description that was originally used to configure this file.
ReftableReader	open(DfsReader ctx)	Open reader on the reftable.

Methods inherited from class BlockBasedFile

alignToBlock, blockSize, elapsedMicros, getFileName, getOrLoadBlock, invalid, read, readOneBlock, setBlockSize, setInvalid

Methods inherited from class Object

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

Constructor Details

DfsReftable

public DfsReftable(DfsPackDescription desc)

Construct a reader for an existing reftable.

Parameters:

desc - description of the reftable within the DFS.

DfsReftable

public DfsReftable(DfsBlockCache cache,
 DfsPackDescription desc)

Construct a reader for an existing reftable.

Parameters:

cache - cache that will store the reftable data.

desc - description of the reftable within the DFS.

Method Details

getPackDescription

public DfsPackDescription getPackDescription()

Get description that was originally used to configure this file.

Returns:

description that was originally used to configure this file.

open

public ReftableReader open(DfsReader ctx)
                    throws IOException

Open reader on the reftable.

The returned reader is not thread safe.

Parameters:

ctx - reader to access the DFS storage.

Returns:

cursor to read the table; caller must close.

Throws:

IOException - table cannot be opened.