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java.lang.Object org.eclipse.jgit.storage.file.PackReverseIndex
public class PackReverseIndex
Reverse index for forward pack index. Provides operations based on offset instead of object id. Such offset-based reverse lookups are performed in O(log n) time.
PackIndex
,
PackFile
Constructor Summary | |
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PackReverseIndex(PackIndex packIndex)
Create reverse index from straight/forward pack index, by indexing all its entries. |
Method Summary | |
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long |
findNextOffset(long offset,
long maxOffset)
Search for the next offset to the specified offset in this pack (reverse) index. |
ObjectId |
findObject(long offset)
Search for object id with the specified start offset in this pack (reverse) index. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PackReverseIndex(PackIndex packIndex)
packIndex
- forward index - entries to (reverse) index.Method Detail |
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public ObjectId findObject(long offset)
offset
- start offset of object to find.
public long findNextOffset(long offset, long maxOffset) throws CorruptObjectException
offset
- start offset of previous object (must be valid-existing
offset).maxOffset
- maximum offset in a pack (returned when there is no next
offset).
CorruptObjectException
- when there is no object with the provided offset.
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