JGit 7.2.0.202503040940-r · org.eclipse.jgit.internal.storage.dfs.DfsPackFile

Modifier and Type	Class and Description
public static class	DfsPackFile.CachedStreamIndexFactory An index factory backed by Dfs streams and references cached in DfsBlockCache
public static class	DfsPackFile.CachedStreamPackIndexes Load primary and reverse index from Dfs streams and cache the references in DfsBlockCache.
private static class	DfsPackFile.Delta
public static interface	DfsPackFile.IndexFactory Returns the indexes for this pack.
public static interface	DfsPackFile.PackBitmapIndexLoader Loads the PackBitmapIndex associated with this packfile
private static class	DfsPackFile.RefWithSize<V>
private static class	DfsPackFile.StreamPackBitmapIndexLoader Load the packbitmapindex from the BITMAP_INDEX pack extension

Field Summary

Modifier and Type	Field and Description
private volatile PackBitmapIndex	bitmapIndex Index of compressed bitmap mapping entire object graph.
private final DfsPackFile.PackBitmapIndexLoader	bitmapLoader
private volatile CommitGraph	commitGraph Index of compressed commit graph mapping entire object graph.
private volatile LongList	corruptObjects Objects we have tried to read, and discovered to be corrupt.
private final Object	corruptObjectsLock Lock for `corruptObjects`.
public static final DfsPackFile.PackBitmapIndexLoader	DEFAULT_BITMAP_LOADER Loader for the default file-based `PackBitmapIndex` implementation.
private volatile PackIndex	index Index mapping `ObjectId` to position within the pack stream.
private final DfsPackFile.IndexFactory	indexFactory
private volatile PackObjectSizeIndex	objectSizeIndex
private boolean	objectSizeIndexLoadAttempted Index by size
private static final int	REC_SIZE
private static final long	REF_POSITION
private volatile PackReverseIndex	reverseIndex Reverse version of `index` mapping position to `ObjectId`.

Inherited from org.eclipse.jgit.internal.storage.dfs.BlockBasedFile:: blockSize cache desc ext invalid invalidatingCause key length

Access	Constructor and Description
pack-priv	DfsPackFile(DfsBlockCache cache that owns the pack data. cache, DfsPackDescription description of the pack within the DFS. desc) Construct a reader for an existing, packfile.
public	DfsPackFile(DfsBlockCache cache that owns the pack data cache, DfsPackDescription description of the pack within the DFS desc, DfsPackFile.PackBitmapIndexLoader loader to get the bitmaps of this pack (if any) bitmapLoader, DfsPackFile.IndexFactory an IndexFactory to get references to the indexes of this pack indexFactory) Create an instance of DfsPackFile with a custom bitmap loader

Method Summary

Modifier and Type	Method and Description
private static InputStream	alignTo8kBlocks(ReadableChannel rc)
pack-priv void	copyAsIs(PackOutputStream out, DfsObjectToPack src, boolean validate, DfsReader ctx)
pack-priv void	copyPackAsIs(PackOutputStream out, DfsReader ctx)
private long	copyPackBypassCache(PackOutputStream out, ReadableChannel rc)
private void	copyPackThroughCache(PackOutputStream out, DfsReader ctx, ReadableChannel rc)
private byte[]	decompress(long position, int sz, DfsReader ctx)
private long	findDeltaBase(DfsReader ctx, ObjectId baseId)
pack-priv long	findOffset(DfsReader ctx, AnyObjectId id)
pack-priv ObjectLoader	Returns: the object loader for the requested object if it is contained in this pack; null if the object was not found. get(DfsReader temporary working space associated with the calling thread. ctx, AnyObjectId the object to obtain from the pack. Must not be null. id) Get an object from this pack.
public PackBitmapIndex	Returns: the BitmapIndex. getBitmapIndex(DfsReader reader context to support reading from the backing store if the index is not already loaded in memory. ctx) Get the BitmapIndex for this PackFile.
public CommitGraph	Returns: `org.eclipse.jgit.internal.storage.commitgraph.CommitGraph`, null if pack doesn't have it. getCommitGraph(DfsReader reader context to support reading from the backing store if the index is not already loaded in memory. ctx) Get the Commit Graph for this PackFile.
pack-priv byte[]	getDeltaHeader(DfsReader wc, long pos)
pack-priv long	Returns: size of the object from the index. Negative if object is not in the index (below threshold or not a blob) getIndexedObjectSize(DfsReader reader context to support reading from the backing store if the object size index is not already loaded in memory. ctx, AnyObjectId object id of an object in the pack id) Return the size of the object from the object-size index.
pack-priv long	Returns: number of objects in index of this pack, likewise in this pack getObjectCount(DfsReader current reader for the calling thread. ctx) Obtain the total number of objects available in this pack.
pack-priv long	getObjectSize(DfsReader ctx, AnyObjectId id)
pack-priv long	getObjectSize(DfsReader ctx, long pos)
private PackObjectSizeIndex	getObjectSizeIndex(DfsReader ctx)
pack-priv int	Returns: minimum size for indexing in bytes getObjectSizeIndexThreshold(DfsReader reader context to support reading from the backing store if the object size index is not already loaded in memory. ctx) Return minimum size for an object to be included in the object size index.
pack-priv int	getObjectType(DfsReader ctx, long pos)
public DfsPackDescription	Returns: description that was originally used to configure this pack file. getPackDescription() Get description that was originally used to configure this pack file.
public PackIndex	Returns: the PackIndex. getPackIndex(DfsReader reader context to support reading from the backing store if the index is not already loaded in memory. ctx) Get the PackIndex for this PackFile.
public PackReverseIndex	Returns: the PackReverseIndex getReverseIdx(DfsReader reader context to support reading from the backing store if the index is not already loaded in memory ctx) Get the PackReverseIndex for this PackFile.
public boolean	Returns: true if the object exists in this pack; false if it does not. hasObject(DfsReader reader context to support reading from the backing store if the index is not already loaded in memory. ctx, AnyObjectId object to be located. id) Check if an object is stored within this pack.
pack-priv boolean	Returns: true if the packfile has an object size index. hasObjectSizeIndex(DfsReader reader context to support reading from the backing store if the object size index is not already loaded in memory. ctx) Return if this packfile has an object size index attached.
private PackIndex	idx(DfsReader ctx)
pack-priv boolean	isCorrupt(long offset)
pack-priv final boolean	isGarbage()
public boolean	Returns: whether the pack index file is loaded and cached in memory. isIndexLoaded() Whether the pack index file is loaded and cached in memory.
pack-priv ObjectLoader	load(DfsReader ctx, long pos)
private DfsBlockCache.Ref<PackBitmapIndex>	loadBitmapIndex(DfsReader ctx, DfsStreamKey bitmapKey)
private DfsBlockCache.Ref<CommitGraph>	loadCommitGraph(DfsReader ctx, DfsStreamKey cgkey)
private DfsBlockCache.Ref<PackObjectSizeIndex>	loadObjectSizeIndex(DfsReader ctx, DfsStreamKey objectSizeIndexKey)
private ByteBuffer	newCopyBuffer(PackOutputStream out, ReadableChannel rc)
private IOException	packfileIsTruncated()
private void	readFully(long position, byte[] dstbuf, int dstoff, int cnt, DfsReader ctx)
pack-priv void	representation(DfsObjectRepresentation r, final long pos, DfsReader ctx, PackReverseIndex rev)
pack-priv void	resolve(DfsReader ctx, Set<ObjectId> matches, AbbreviatedObjectId id, int matchLimit)
private void	setCorrupt(long offset)
pack-priv void	setPackIndex(PackIndex idx)

Inherited from org.eclipse.jgit.internal.storage.dfs.BlockBasedFile:: alignToBlock blockSize elapsedMicros getFileName getOrLoadBlock invalid read readOneBlock setBlockSize setInvalid

public final Class DfsPackFile

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary