Index (Jackrabbit Oak 1.78.0 API)

```
public interface Index
```
An index for the entries in a TAR file.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`count()`	Return the number of entries in this index.
`IndexEntry`	`entry(int i)`	Return the entry at a specified index.
`int`	`findEntry(long msb, long lsb)`	Find an entry by its identifier.
`Set<UUID>`	`getUUIDs()`	Returns the identifiers of every entry in this index.
`int`	`size()`	Return the size of this index in bytes.

- Method Detail
  - getUUIDs
```
Set<UUID> getUUIDs()
```
    Returns the identifiers of every entry in this index.
    
    Returns:
    
    A set of UUID.
  - findEntry
```
int findEntry(long msb,
              long lsb)
```
    Find an entry by its identifier.
    
    Parameters:
    
    msb - The most significant bits of the identifier.
    
    lsb - The least significant bits of the identifier.
    
    Returns:
    
    The index of the entry in this index, or -1 if the entry was not found.
  - size
```
int size()
```
    Return the size of this index in bytes.
    
    Returns:
    
    The size of this index in bytes.
  - count
```
int count()
```
    Return the number of entries in this index.
    
    Returns:
    
    The number of entries in this index.
  - entry
```
IndexEntry entry(int i)
```
    Return the entry at a specified index.
    
    Parameters:
    
    i - The index of the entry.
    
    Returns:
    
    An instance of IndexEntry.