Modifier and Type	Class and Description
private static class	CommitGraphWriter.BloomFilterChunks
private static class	CommitGraphWriter.ChunkHeader
pack-priv static class	CommitGraphWriter.PathDiffCalculator
public static class	CommitGraphWriter.Stats Statistics collected during a single commit graph write.

Field Summary

Modifier and Type	Field and Description
private static final int	COMMIT_GRAPH_VERSION_GENERATED
private final boolean	generateChangedPathFilters
private static final int	GENERATION_NUMBER_MAX
private static final int	GRAPH_FANOUT_SIZE
private final GraphCommits	graphCommits
private final int	hashsz
private static final int	MAX_CHANGED_PATHS
private static final int	OID_HASH_VERSION
private static final CommitGraphWriter.PathDiffCalculator	PATH_DIFF_CALCULATOR

Constructor Summary

Access	Constructor and Description
public	CommitGraphWriter(GraphCommits the commits which will be writen to the commit-graph. graphCommits) Create commit-graph writer for these commits.
public	CommitGraphWriter(GraphCommits the commits which will be writen to the commit-graph. graphCommits, boolean whether changed path filters are generated generateChangedPathFilters) Create commit-graph writer for these commits.

Method Summary

Modifier and Type	Method and Description
private static long	calculateExpectedSize(List<CommitGraphWriter.ChunkHeader> chunks)
private CommitGraphWriter.BloomFilterChunks	computeBloomFilterChunks(ProgressMonitor monitor)
private int[]	computeGenerationNumbers(ProgressMonitor monitor)
private static List<CommitGraphWriter.ChunkHeader>	createBloomFilterChunkHeaders(CommitGraphWriter.BloomFilterChunks bloomFilterChunks)
private static List<CommitGraphWriter.ChunkHeader>	createCoreChunks(int hashsz, GraphCommits graphCommits)
public CommitGraphWriter.Stats	Returns: statistics gathered during the run write(ProgressMonitor progress monitor to report the number of items written. monitor, OutputStream output stream of commit-graph data. The stream should be buffered by the caller. The caller is responsible for closing the stream. commitGraphStream) Write commit-graph to the supplied stream.
private void	writeCheckSum(CancellableDigestOutputStream out)
private void	writeChunkLookup(CancellableDigestOutputStream out, List<CommitGraphWriter.ChunkHeader> chunks)
private void	writeChunks(CancellableDigestOutputStream out, List<CommitGraphWriter.ChunkHeader> chunks)
private void	writeCommitData(CancellableDigestOutputStream out)
private void	writeExtraEdges(CancellableDigestOutputStream out)
private void	writeFanoutTable(CancellableDigestOutputStream out)
private void	writeHeader(CancellableDigestOutputStream out, int numChunks)
private void	writeOidLookUp(CancellableDigestOutputStream out)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

COMMIT_GRAPH_VERSION_GENERATED	back to summary
private static final int COMMIT_GRAPH_VERSION_GENERATED

generateChangedPathFilters	back to summary
private final boolean generateChangedPathFilters

GENERATION_NUMBER_MAX	back to summary
private static final int GENERATION_NUMBER_MAX

GRAPH_FANOUT_SIZE	back to summary
private static final int GRAPH_FANOUT_SIZE

graphCommits	back to summary
private final GraphCommits graphCommits

hashsz	back to summary
private final int hashsz

MAX_CHANGED_PATHS	back to summary
private static final int MAX_CHANGED_PATHS

OID_HASH_VERSION	back to summary
private static final int OID_HASH_VERSION

PATH_DIFF_CALCULATOR	back to summary
private static final CommitGraphWriter.PathDiffCalculator PATH_DIFF_CALCULATOR

Constructor Detail

CommitGraphWriter	back to summary
public CommitGraphWriter(GraphCommits graphCommits) Create commit-graph writer for these commits. Parameters graphCommits:GraphCommits the commits which will be writen to the commit-graph.

CommitGraphWriter

back to summary

public CommitGraphWriter(GraphCommits graphCommits)

Create commit-graph writer for these commits.

Parameters

graphCommits:GraphCommits: the commits which will be writen to the commit-graph.

CommitGraphWriter	back to summary
public CommitGraphWriter(GraphCommits graphCommits, boolean generateChangedPathFilters) Create commit-graph writer for these commits. Parameters graphCommits:GraphCommits the commits which will be writen to the commit-graph. generateChangedPathFilters:boolean whether changed path filters are generated

CommitGraphWriter

back to summary

public CommitGraphWriter(GraphCommits graphCommits, boolean generateChangedPathFilters)

Create commit-graph writer for these commits.

Parameters

graphCommits:GraphCommits: the commits which will be writen to the commit-graph.
generateChangedPathFilters:boolean: whether changed path filters are generated

Method Detail

calculateExpectedSize	back to summary
private static long calculateExpectedSize(List<CommitGraphWriter.ChunkHeader> chunks)

computeBloomFilterChunks	back to summary
private CommitGraphWriter.BloomFilterChunks computeBloomFilterChunks(ProgressMonitor monitor) throws MissingObjectException, IncorrectObjectTypeException, CorruptObjectException, IOException

computeGenerationNumbers	back to summary
private int[] computeGenerationNumbers(ProgressMonitor monitor) throws MissingObjectException

createBloomFilterChunkHeaders	back to summary
private static List<CommitGraphWriter.ChunkHeader> createBloomFilterChunkHeaders(CommitGraphWriter.BloomFilterChunks bloomFilterChunks)

createCoreChunks	back to summary
private static List<CommitGraphWriter.ChunkHeader> createCoreChunks(int hashsz, GraphCommits graphCommits)

write	back to summary
public CommitGraphWriter.Stats write(ProgressMonitor monitor, OutputStream commitGraphStream) throws IOException Write commit-graph to the supplied stream. Parameters monitor:ProgressMonitor progress monitor to report the number of items written. commitGraphStream:OutputStream output stream of commit-graph data. The stream should be buffered by the caller. The caller is responsible for closing the stream. Returns:CommitGraphWriter.Stats statistics gathered during the run Exceptions IOException: if an error occurred

write

back to summary

public CommitGraphWriter.Stats write(ProgressMonitor monitor, OutputStream commitGraphStream) throws IOException

Write commit-graph to the supplied stream.

Parameters

monitor:ProgressMonitor: progress monitor to report the number of items written.
commitGraphStream:OutputStream: output stream of commit-graph data. The stream should be buffered by the caller. The caller is responsible for closing the stream.

Returns:CommitGraphWriter.Stats

statistics gathered during the run

Exceptions

IOException:: if an error occurred

writeCheckSum	back to summary
private void writeCheckSum(CancellableDigestOutputStream out) throws IOException

writeChunkLookup	back to summary
private void writeChunkLookup(CancellableDigestOutputStream out, List<CommitGraphWriter.ChunkHeader> chunks) throws IOException

writeChunks	back to summary
private void writeChunks(CancellableDigestOutputStream out, List<CommitGraphWriter.ChunkHeader> chunks) throws IOException

writeCommitData	back to summary
private void writeCommitData(CancellableDigestOutputStream out) throws IOException

writeExtraEdges	back to summary
private void writeExtraEdges(CancellableDigestOutputStream out) throws IOException

writeFanoutTable	back to summary
private void writeFanoutTable(CancellableDigestOutputStream out) throws IOException

writeHeader	back to summary
private void writeHeader(CancellableDigestOutputStream out, int numChunks) throws IOException

writeOidLookUp	back to summary
private void writeOidLookUp(CancellableDigestOutputStream out) throws IOException

org.eclipse.jgit.internal.storage.commitgraph back to summary

private Class CommitGraphWriter.BloomFilterChunks

Class Inheritance

extends Object

java.lang.Object
org.eclipse.jgit.internal.storage.commitgraph.CommitGraphWriter.BloomFilterChunks

Field Summary

Modifier and Type	Field and Description
pack-priv final ByteArrayOutputStream	data
pack-priv final long	filtersComputed
pack-priv final long	filtersReused
pack-priv final ByteArrayOutputStream	index

Constructor Summary

Access	Constructor and Description
pack-priv	BloomFilterChunks(ByteArrayOutputStream index, ByteArrayOutputStream data, long filtersReused, long filtersComputed)

Method Summary

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

data	back to summary
pack-priv final ByteArrayOutputStream data

filtersComputed	back to summary
pack-priv final long filtersComputed

filtersReused	back to summary
pack-priv final long filtersReused

index	back to summary
pack-priv final ByteArrayOutputStream index

Constructor Detail

BloomFilterChunks	back to summary
pack-priv BloomFilterChunks(ByteArrayOutputStream index, ByteArrayOutputStream data, long filtersReused, long filtersComputed)

org.eclipse.jgit.internal.storage.commitgraph back to summary

private Class CommitGraphWriter.ChunkHeader

Class Inheritance

extends Object

java.lang.Object
org.eclipse.jgit.internal.storage.commitgraph.CommitGraphWriter.ChunkHeader

Field Summary

Modifier and Type	Field and Description
pack-priv final Optional<ByteArrayOutputStream>	data
pack-priv final int	id
pack-priv final long	size

Constructor Summary

Access	Constructor and Description
public	ChunkHeader(int id, long size)
pack-priv	ChunkHeader(int id, ByteArrayOutputStream data)

Method Summary

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

data	back to summary
pack-priv final Optional<ByteArrayOutputStream> data

id	back to summary
pack-priv final int id

size	back to summary
pack-priv final long size

Constructor Detail

ChunkHeader	back to summary
public ChunkHeader(int id, long size)

ChunkHeader	back to summary
pack-priv ChunkHeader(int id, ByteArrayOutputStream data)

org.eclipse.jgit.internal.storage.commitgraph back to summary

pack-priv Class CommitGraphWriter.PathDiffCalculator

Class Inheritance

extends Object

java.lang.Object
org.eclipse.jgit.internal.storage.commitgraph.CommitGraphWriter.PathDiffCalculator

Field Summary

Modifier and Type	Field and Description
pack-priv int	stepCounter

Constructor Summary

Access	Constructor and Description
pack-priv	PathDiffCalculator()

Method Summary

Modifier and Type	Method and Description
pack-priv Optional<HashSet<ByteBuffer>>	changedPaths(ObjectReader or, RevCommit cmit)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

stepCounter	back to summary
pack-priv int stepCounter

Constructor Detail

PathDiffCalculator	back to summary
pack-priv PathDiffCalculator()

Method Detail

changedPaths	back to summary
pack-priv Optional<HashSet<ByteBuffer>> changedPaths(ObjectReader or, RevCommit cmit) throws MissingObjectException, IncorrectObjectTypeException, CorruptObjectException, IOException

org.eclipse.jgit.internal.storage.commitgraph back to summary

public Class CommitGraphWriter.Stats

Class Inheritance

extends Object

java.lang.Object
org.eclipse.jgit.internal.storage.commitgraph.CommitGraphWriter.Stats

Statistics collected during a single commit graph write.

Field Summary

Modifier and Type	Field and Description
private long	changedPathFiltersComputed
private long	changedPathFiltersReused
pack-priv static final CommitGraphWriter.Stats	EMPTY

Constructor Summary

Access	Constructor and Description
private	Stats()

Method Summary

Modifier and Type	Method and Description
pack-priv static final CommitGraphWriter.Stats	from(CommitGraphWriter.BloomFilterChunks bloomFilterChunks)
public long	Returns: count of changed path filters getChangedPathFiltersComputed() Returns the number of changed path filters that were computed from scratch, for statistical purposes.
public long	Returns: count of changed path filters getChangedPathFiltersReused() Returns the number of existing changed path filters that were reused when writing, for statistical purposes.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

changedPathFiltersComputed	back to summary
private long changedPathFiltersComputed

changedPathFiltersReused	back to summary
private long changedPathFiltersReused

EMPTY	back to summary
pack-priv static final CommitGraphWriter.Stats EMPTY

Constructor Detail

Stats	back to summary
private Stats()

Method Detail

from	back to summary
pack-priv static final CommitGraphWriter.Stats from(CommitGraphWriter.BloomFilterChunks bloomFilterChunks)

getChangedPathFiltersComputed	back to summary
public long getChangedPathFiltersComputed() Returns the number of changed path filters that were computed from scratch, for statistical purposes. Returns:long count of changed path filters

getChangedPathFiltersReused	back to summary
public long getChangedPathFiltersReused() Returns the number of existing changed path filters that were reused when writing, for statistical purposes. Returns:long count of changed path filters

public Class CommitGraphWriter

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private Class CommitGraphWriter.BloomFilterChunks

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

private Class CommitGraphWriter.ChunkHeader

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

pack-priv Class CommitGraphWriter.PathDiffCalculator

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

public Class CommitGraphWriter.Stats

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail