org.eclipse.jgit.internal.storage.dfs

Class DfsRefDatabase.RefCache

java.lang.Object

org.eclipse.jgit.internal.storage.dfs.DfsRefDatabase.RefCache

Enclosing class:

DfsRefDatabase

public static class DfsRefDatabase.RefCache
extends java.lang.Object

Collection of references managed by this database.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) RefList<Ref>	ids
(package private) RefList<Ref>	sym

Constructor Summary

Constructors

Constructor and Description
RefCache(RefList<Ref> ids, DfsRefDatabase.RefCache old)
RefCache(RefList<Ref> ids, RefList<Ref> sym) Initialize a new reference cache.

Method Summary

Modifier and Type	Method and Description
Ref	get(java.lang.String name) Find a reference by name.
DfsRefDatabase.RefCache	put(Ref ref) Obtain a modified copy of the cache with a ref stored.
DfsRefDatabase.RefCache	remove(java.lang.String refName) Obtain a modified copy of the cache with the ref removed.
int	size()

Methods inherited from class java.lang.Object

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

Field Detail

ids

final RefList<Ref> ids

sym

final RefList<Ref> sym

Constructor Detail

RefCache

public RefCache(RefList<Ref> ids,
                RefList<Ref> sym)

Initialize a new reference cache.

The two reference lists supplied must be sorted in correct order (string compare order) by name.

Parameters:

ids - references that carry an ObjectId, and all of sym.

sym - references that are symbolic references to others.

RefCache

RefCache(RefList<Ref> ids,
         DfsRefDatabase.RefCache old)

Method Detail

size

public int size()

Returns:

number of references in this cache.

get

public Ref get(java.lang.String name)

Find a reference by name.

Parameters:

name - full name of the reference.

Returns:

the reference, if it exists, otherwise null.

put

public DfsRefDatabase.RefCache put(Ref ref)

Obtain a modified copy of the cache with a ref stored.

This cache instance is not modified by this method.

Parameters:

ref - reference to add or replace.

Returns:

a copy of this cache, with the reference added or replaced.

remove

public DfsRefDatabase.RefCache remove(java.lang.String refName)

Obtain a modified copy of the cache with the ref removed.

This cache instance is not modified by this method.

Parameters:

refName - reference to remove, if it exists.

Returns:

a copy of this cache, with the reference removed.