Top Description Inners Fields Constructors Methods

org.eclipse.jgit.internal.storage.dfs

pack-priv final Class DeltaBaseCache

Class Inheritance

extends Object

java.lang.Object
org.eclipse.jgit.internal.storage.dfs.DeltaBaseCache

Caches recently used objects for DfsReader.

This cache is not thread-safe. Each reader should have its own cache.

Nested and Inner Type Summary

Modifier and Type	Class and Description
pack-priv static class	DeltaBaseCache.Entry

Field Summary

Modifier and Type	Field and Description
private int	curByteCount
private DeltaBaseCache.Entry	lruHead
private DeltaBaseCache.Entry	lruTail
private static final int	MASK_BITS
private int	maxByteCount
private final DeltaBaseCache.Entry[]	table
private static final int	TABLE_BITS

Constructor Summary

Access	Constructor and Description
pack-priv	DeltaBaseCache(DfsReader reader)
pack-priv	DeltaBaseCache(int maxBytes)

Method Summary

Modifier and Type	Method and Description
pack-priv DeltaBaseCache.Entry	get(DfsStreamKey key, long position)
pack-priv int	getMemoryUsed()
pack-priv int	getMemoryUsedByLruChainForTest()
pack-priv int	getMemoryUsedByTableForTest()
private static int	hash(long position)
private void	lruPushHead(DeltaBaseCache.Entry e)
private void	lruRemove(DeltaBaseCache.Entry e)
private void	moveToHead(DeltaBaseCache.Entry e)
pack-priv void	put(DfsStreamKey key, long offset, int objectType, byte[] data)
private void	releaseMemory()
private void	removeFromTable(DeltaBaseCache.Entry e)

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

Field Detail

curByteCount	back to summary
private int curByteCount

lruHead	back to summary
private DeltaBaseCache.Entry lruHead

lruTail	back to summary
private DeltaBaseCache.Entry lruTail

MASK_BITS	back to summary
private static final int MASK_BITS

maxByteCount	back to summary
private int maxByteCount

table	back to summary
private final DeltaBaseCache.Entry[] table

TABLE_BITS	back to summary
private static final int TABLE_BITS

Constructor Detail

DeltaBaseCache	back to summary
pack-priv DeltaBaseCache(DfsReader reader)

DeltaBaseCache	back to summary
pack-priv DeltaBaseCache(int maxBytes)

Method Detail

get	back to summary
pack-priv DeltaBaseCache.Entry get(DfsStreamKey key, long position)

getMemoryUsed	back to summary
pack-priv int getMemoryUsed()

getMemoryUsedByLruChainForTest	back to summary
pack-priv int getMemoryUsedByLruChainForTest()

getMemoryUsedByTableForTest	back to summary
pack-priv int getMemoryUsedByTableForTest()

hash	back to summary
private static int hash(long position)

lruPushHead	back to summary
private void lruPushHead(DeltaBaseCache.Entry e)

lruRemove	back to summary
private void lruRemove(DeltaBaseCache.Entry e)

moveToHead	back to summary
private void moveToHead(DeltaBaseCache.Entry e)

put	back to summary
pack-priv void put(DfsStreamKey key, long offset, int objectType, byte[] data)

releaseMemory	back to summary
private void releaseMemory()

removeFromTable	back to summary
private void removeFromTable(DeltaBaseCache.Entry e)

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

pack-priv Class DeltaBaseCache.Entry

Class Inheritance

extends Object

java.lang.Object
org.eclipse.jgit.internal.storage.dfs.DeltaBaseCache.Entry

Field Summary

Modifier and Type	Field and Description
pack-priv final byte[]	data
pack-priv DeltaBaseCache.Entry	lruNext
pack-priv DeltaBaseCache.Entry	lruPrev
pack-priv final long	offset
pack-priv final DfsStreamKey	pack
pack-priv DeltaBaseCache.Entry	tableNext
pack-priv final int	type

Constructor Summary

Access	Constructor and Description
pack-priv	Entry(DfsStreamKey key, long offset, int type, byte[] 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 byte[] data

lruNext	back to summary
pack-priv DeltaBaseCache.Entry lruNext

lruPrev	back to summary
pack-priv DeltaBaseCache.Entry lruPrev

offset	back to summary
pack-priv final long offset

pack	back to summary
pack-priv final DfsStreamKey pack

tableNext	back to summary
pack-priv DeltaBaseCache.Entry tableNext

type	back to summary
pack-priv final int type

Constructor Detail

Entry	back to summary
pack-priv Entry(DfsStreamKey key, long offset, int type, byte[] data)