com.facebook.buck.android.resources

Class BringToFrontMapper

java.lang.Object

com.facebook.buck.android.resources.BringToFrontMapper

All Implemented Interfaces:

ReferenceMapper

public class BringToFrontMapper
extends Object
implements ReferenceMapper

BringToFrontMapper supports "bring-to-front" reassignment of reference ids. Given a set of ids, it will construct an assignment that ensures that those ids are the first ones for each type.

Constructor Summary

Constructors

Constructor and Description
BringToFrontMapper(int packageId, int[][] mapping, int[][] rewriters)

Method Summary

Modifier and Type	Method and Description
static BringToFrontMapper	construct(int packageId, Map<Integer,SortedSet<Integer>> idsByType) Constructs a ReferenceMapper that will reassign ids and adjust offsets such that for each key in idsByType, the ids in idsByType will be reassigned to the first n ids of that type.
int	map(int id) Converts an id to its new value under this mapping.
void	rewrite(int type, IntBuffer buf) Given an IntBuffer with an entry for every value of the given type, rearranges the entries in the buffer to match the id reassignment.

Methods inherited from class java.lang.Object

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

Constructor Detail

BringToFrontMapper

public BringToFrontMapper(int packageId,
                          int[][] mapping,
                          int[][] rewriters)

Method Detail

construct

public static BringToFrontMapper construct(int packageId,
                                           Map<Integer,SortedSet<Integer>> idsByType)

Constructs a ReferenceMapper that will reassign ids and adjust offsets such that for each key in idsByType, the ids in idsByType will be reassigned to the first n ids of that type. The ids provided should not include package or type ids.

map

public int map(int id)

Description copied from interface: ReferenceMapper

Converts an id to its new value under this mapping.

Specified by:

map in interface ReferenceMapper

rewrite

public void rewrite(int type,
                    IntBuffer buf)

Description copied from interface: ReferenceMapper

Given an IntBuffer with an entry for every value of the given type, rearranges the entries in the buffer to match the id reassignment.

Specified by:

rewrite in interface ReferenceMapper