Package com.jgalgo.graph

Class IndexIdMaps

java.lang.Object

com.jgalgo.graph.IndexIdMaps

public class IndexIdMaps
extends Object

Static methods class for index-id maps.

Author:

Barak Ugav

Method Summary

Modifier and Type	Method	Description
static IntCollection	idToIndexCollection(IntCollection idCollection, IndexIdMap map)	Create an indices collection from a collection of IDs.
static IntIterator	idToIndexIterator(IntIterator idIter, IndexIdMap map)	Create an indices iterator from an iterator of IDs.
static WeightFunction.Int	idToIndexWeightFunc(WeightFunction.Int w, IndexIdMap map)	Create a weight function that accept elements indices, given a weight function that accept elements IDs.
static WeightFunction	idToIndexWeightFunc(WeightFunction w, IndexIdMap map)	Create a weight function that accept elements indices, given a weight function that accept elements IDs.
static Weights.Byte	idToIndexWeights(Weights.Byte weights, IndexIdMap map)	Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.
static Weights.Char	idToIndexWeights(Weights.Char weights, IndexIdMap map)	Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the elements IDs.
static Weights.Double	idToIndexWeights(Weights.Double weights, IndexIdMap map)	Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.
static Weights.Float	idToIndexWeights(Weights.Float weights, IndexIdMap map)	Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.
static Weights.Int	idToIndexWeights(Weights.Int weights, IndexIdMap map)	Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.
static Weights.Long	idToIndexWeights(Weights.Long weights, IndexIdMap map)	Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.
static Weights.Short	idToIndexWeights(Weights.Short weights, IndexIdMap map)	Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.
static <W> Weights<W>	idToIndexWeights(Weights<W> weights, IndexIdMap map)	Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.
static IntCollection	indexToIdCollection(IntCollection indexCollection, IndexIdMap map)	Create an IDs collection from a collection of indices.
static EdgeIter	indexToIdEdgeIter(EdgeIter indexIter, IndexIdMap verticesMap, IndexIdMap edgesMap)	Create an EdgeIter that return IDs of vertices and edges from an EdgeIter that return indices of vertices and edges.
static IntIterator	indexToIdIterator(IntIterator indexIter, IndexIdMap map)	Create an IDs iterator from an iterator of indices.
static IntList	indexToIdList(IntList indexList, IndexIdMap map)	Create an IDs list from a list of indices.
static Weights.Bool	indexWeightsFromWeights(Weights.Bool weights, IndexIdMap map)	Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.

Methods inherited from class java.lang.Object

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

Method Detail

indexToIdIterator

public static IntIterator indexToIdIterator(IntIterator indexIter,
                                            IndexIdMap map)

Create an IDs iterator from an iterator of indices.

Parameters:

indexIter - an iterator of indices

map - index-id mapping

Returns:

an iterator that iterate over the IDs matching the indices iterated by the original index-iterator

idToIndexIterator

public static IntIterator idToIndexIterator(IntIterator idIter,
                                            IndexIdMap map)

Create an indices iterator from an iterator of IDs.

Parameters:

idIter - an iterator of IDs

map - index-id mapping

Returns:

an iterator that iterate over the indices matching the IDs iterated by the original ID-iterator

indexToIdEdgeIter

public static EdgeIter indexToIdEdgeIter(EdgeIter indexIter,
                                         IndexIdMap verticesMap,
                                         IndexIdMap edgesMap)

Create an EdgeIter that return IDs of vertices and edges from an EdgeIter that return indices of vertices and edges.

Parameters:

indexIter - an EdgeIter that return indices of vertices and edges

verticesMap - vertices index-id mapping

edgesMap - edges index-id mapping

Returns:

EdgeIter that return IDs of vertices and edges matching the indices of vertices and edges returned by the original index-iterator

indexToIdCollection

public static IntCollection indexToIdCollection(IntCollection indexCollection,
                                                IndexIdMap map)

Create an IDs collection from a collection of indices.

Parameters:

indexCollection - a collection of indices

map - index-id mapping

Returns:

a collection that contain IDs matching the indices contained in the original index-collection

idToIndexCollection

public static IntCollection idToIndexCollection(IntCollection idCollection,
                                                IndexIdMap map)

Create an indices collection from a collection of IDs.

Parameters:

idCollection - a collection of IDs

map - index-id mapping

Returns:

a collection that contain indices matching the IDs contained in the original ID-collection

indexToIdList

public static IntList indexToIdList(IntList indexList,
                                    IndexIdMap map)

Create an IDs list from a list of indices.

Parameters:

indexList - a list of indices

map - index-id mapping

Returns:

a list that contain IDs matching the indices contained in the original index-list

idToIndexWeights

public static <W> Weights<W> idToIndexWeights(Weights<W> weights,
                                              IndexIdMap map)

Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.

The returned weights container is a view, namely modifying the original container change the new one, and vice versa.

Type Parameters:

W - the weight type

Parameters:

weights - a weights container that is accessed by the elements IDs

map - index-id map

Returns:

a weights-view that is accessed by the elements indices

idToIndexWeights

public static Weights.Byte idToIndexWeights(Weights.Byte weights,
                                            IndexIdMap map)

Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.

The returned weights container is a view, namely modifying the original container change the new one, and vice versa.

Parameters:

weights - a weights container that is accessed by the elements IDs

map - index-id map

Returns:

a weights-view that is accessed by the elements indices

idToIndexWeights

public static Weights.Short idToIndexWeights(Weights.Short weights,
                                             IndexIdMap map)

Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.

The returned weights container is a view, namely modifying the original container change the new one, and vice versa.

Parameters:

weights - a weights container that is accessed by the elements IDs

map - index-id map

Returns:

a weights-view that is accessed by the elements indices

idToIndexWeights

public static Weights.Int idToIndexWeights(Weights.Int weights,
                                           IndexIdMap map)

Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.

The returned weights container is a view, namely modifying the original container change the new one, and vice versa.

Parameters:

weights - a weights container that is accessed by the elements IDs

map - index-id map

Returns:

a weights-view that is accessed by the elements indices

idToIndexWeights

public static Weights.Long idToIndexWeights(Weights.Long weights,
                                            IndexIdMap map)

Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.

The returned weights container is a view, namely modifying the original container change the new one, and vice versa.

Parameters:

weights - a weights container that is accessed by the elements IDs

map - index-id map

Returns:

a weights-view that is accessed by the elements indices

idToIndexWeights

public static Weights.Float idToIndexWeights(Weights.Float weights,
                                             IndexIdMap map)

Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.

The returned weights container is a view, namely modifying the original container change the new one, and vice versa.

Parameters:

weights - a weights container that is accessed by the elements IDs

map - index-id map

Returns:

a weights-view that is accessed by the elements indices

idToIndexWeights

public static Weights.Double idToIndexWeights(Weights.Double weights,
                                              IndexIdMap map)

Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.

The returned weights container is a view, namely modifying the original container change the new one, and vice versa.

Parameters:

weights - a weights container that is accessed by the elements IDs

map - index-id map

Returns:

a weights-view that is accessed by the elements indices

indexWeightsFromWeights

public static Weights.Bool indexWeightsFromWeights(Weights.Bool weights,
                                                   IndexIdMap map)

Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the element IDs.

The returned weights container is a view, namely modifying the original container change the new one, and vice versa.

Parameters:

weights - a weights container that is accessed by the elements IDs

map - index-id map

Returns:

a weights-view that is accessed by the elements indices

idToIndexWeights

public static Weights.Char idToIndexWeights(Weights.Char weights,
                                            IndexIdMap map)

Create a weights view that is accessed by the elements indices, given a weights container that is accessed by the elements IDs.

The returned weights container is a view, namely modifying the original container change the new one, and vice versa.

Parameters:

weights - a weights container that is accessed by the elements IDs

map - index-id map

Returns:

a weights-view that is accessed by the elements indices

idToIndexWeightFunc

public static WeightFunction idToIndexWeightFunc(WeightFunction w,
                                                 IndexIdMap map)

Create a weight function that accept elements indices, given a weight function that accept elements IDs.

Parameters:

w - a weight function that accept by elements IDs

map - index-id map

Returns:

a weight function that accept elements indices

idToIndexWeightFunc

public static WeightFunction.Int idToIndexWeightFunc(WeightFunction.Int w,
                                                     IndexIdMap map)

Create a weight function that accept elements indices, given a weight function that accept elements IDs.

Parameters:

w - a weight function that accept by elements IDs

map - index-id map

Returns:

a weight function that accept elements indices