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Method Summary
Modifier and TypeMethodDescriptionlong
Get the number of delta objects stored in this pack.long
Get the number of objects in this pack.Get the description of the pack.Get pack fileboolean
hasObject
(ObjectToPack obj, StoredObjectRepresentation rep) Determine if this pack contains the object representation given.
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Method Details
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getPackFile
Get pack file- Returns:
- the pack passed to the constructor
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getPackDescription
Get the description of the pack.- Returns:
- the description of the pack.
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getObjectCount
Description copied from class:CachedPack
Get the number of objects in this pack.- Specified by:
getObjectCount
in classCachedPack
- Returns:
- the total object count for the pack.
- Throws:
IOException
- if the object count cannot be read.
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getDeltaCount
Description copied from class:CachedPack
Get the number of delta objects stored in this pack.This is an optional method, not every cached pack storage system knows the precise number of deltas stored within the pack. This number must be smaller than
CachedPack.getObjectCount()
as deltas are not supposed to span across pack files.This method must be fast, if the only way to determine delta counts is to scan the pack file's contents one object at a time, implementors should return 0 and avoid the high cost of the scan.
- Overrides:
getDeltaCount
in classCachedPack
- Returns:
- the number of deltas; 0 if the number is not known or there are no deltas.
- Throws:
IOException
- if the delta count cannot be read.
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hasObject
Description copied from class:CachedPack
Determine if this pack contains the object representation given.PackWriter uses this method during the finding sources phase to prune away any objects from the leading thin-pack that already appear within this pack and should not be sent twice.
Implementors are strongly encouraged to rely on looking at
rep
only and using its internal state to decide if this object is within this pack. Implementors should ensure a representation from this cached pack is tested as part ofObjectReuseAsIs.selectObjectRepresentation(PackWriter, org.eclipse.jgit.lib.ProgressMonitor, Iterable)
, ensuring this method would eventually return true if the object would be included by this cached pack.- Specified by:
hasObject
in classCachedPack
- Parameters:
obj
- the object being packed. Can be used as an ObjectId.rep
- representation from theObjectReuseAsIs
instance that originally supplied this CachedPack.- Returns:
- true if this pack contains this object.
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