org.eclipse.jgit.internal.storage.file

Class BitmapIndexImpl

java.lang.Object

org.eclipse.jgit.internal.storage.file.BitmapIndexImpl

All Implemented Interfaces:

BitmapIndex

public class BitmapIndexImpl
extends Object
implements BitmapIndex

A compressed bitmap representation of the entire object graph.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BitmapIndexImpl.CompressedBitmap Wrapper for a EWAHCompressedBitmap and PackBitmapIndex.

Nested classes/interfaces inherited from interface org.eclipse.jgit.lib.BitmapIndex

BitmapIndex.Bitmap, BitmapIndex.BitmapBuilder

Constructor Summary

Constructors

Constructor and Description
BitmapIndexImpl(PackBitmapIndex packIndex) Creates a BitmapIndex that is back by Compressed bitmaps.

Method Summary

Modifier and Type	Method and Description
BitmapIndexImpl.CompressedBitmap	getBitmap(AnyObjectId objectId) Get the bitmap for the id.
org.eclipse.jgit.internal.storage.file.BitmapIndexImpl.CompressedBitmapBuilder	newBitmapBuilder() Create a new BitmapBuilder based on the values in the index.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BitmapIndexImpl

public BitmapIndexImpl(PackBitmapIndex packIndex)

Creates a BitmapIndex that is back by Compressed bitmaps.

Parameters:

packIndex - the bitmap index for the pack.

Method Detail

getBitmap

public BitmapIndexImpl.CompressedBitmap getBitmap(AnyObjectId objectId)

Get the bitmap for the id. The returned bitmap is immutable and the bitwise operations return the result of the operation in a new Bitmap.

Specified by:

getBitmap in interface BitmapIndex

Parameters:

objectId - the object ID

Returns:

the Bitmap for the objectId or null, if one does not exist.

newBitmapBuilder

public org.eclipse.jgit.internal.storage.file.BitmapIndexImpl.CompressedBitmapBuilder newBitmapBuilder()

Create a new BitmapBuilder based on the values in the index.

Specified by:

newBitmapBuilder in interface BitmapIndex

Returns:

a new BitmapBuilder based on the values in the index.