DfsPackFile (JGit - Core 3.7.1.201504261725-r API)

java.lang.Object
- org.eclipse.jgit.internal.storage.dfs.DfsPackFile

```
public final class DfsPackFile
extends Object
```
A Git version 2 pack file representation. A pack file contains Git objects in delta packed format yielding high compression of lots of object where some objects are similar.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`	Release all memory used by this DfsPackFile instance.
`long`	`getCachedSize()`
`DfsPackDescription`	`getPackDescription()`
`boolean`	`hasObject(DfsReader ctx, AnyObjectId id)`	Check if an object is stored within this pack.
`boolean`	`isIndexLoaded()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - getPackDescription
```
public DfsPackDescription getPackDescription()
```
    Returns:
    
    description that was originally used to configure this pack file.
  - isIndexLoaded
```
public boolean isIndexLoaded()
```
    Returns:
    
    whether the pack index file is loaded and cached in memory.
    
    Since:
    
    2.2
  - getCachedSize
```
public long getCachedSize()
```
    Returns:
    
    bytes cached in memory for this pack, excluding the index.
  - hasObject
```
public boolean hasObject(DfsReader ctx,
                         AnyObjectId id)
                  throws IOException
```
    Check if an object is stored within this pack.
    
    Parameters:
    
    ctx - reader context to support reading from the backing store if the index is not already loaded in memory.
    
    id - object to be located.
    
    Returns:
    
    true if the object exists in this pack; false if it does not.
    
    Throws:
    
    IOException - the pack index is not available, or is corrupt.
  - close
```
public void close()
```
    Release all memory used by this DfsPackFile instance.