de.lmu.ifi.dbs.elki.result

Class ResultUtil

java.lang.Object

de.lmu.ifi.dbs.elki.result.ResultUtil

public class ResultUtil
extends Object

Utilities for handling result objects

Author:

Erich Schubert

Constructor Summary

Constructors

Constructor and Description
ResultUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static void	addChildResult(HierarchicalResult parent, Result child) Add a child result.
static void	ensureClusteringResult(Database db, Result result) Ensure that the result contains at least one Clustering.
static SelectionResult	ensureSelectionResult(Database db) Ensure that there also is a selection container object.
static <C extends Result> ArrayList<C>	filterResults(ResultHierarchy hier, Class<? super C> restrictionClass) Return only results of the given restriction class
static <C extends Result> ArrayList<C>	filterResults(ResultHierarchy hier, Result r, Class<? super C> restrictionClass) Return only results of the given restriction class
static Database	findDatabase(ResultHierarchy hier) Find the first database result in the tree.
static Database	findDatabase(ResultHierarchy hier, Result baseResult) Find the first database result in the tree.
static List<Clustering<? extends Model>>	getClusteringResults(Result r) Collect all clustering results from a Result
static List<CollectionResult<?>>	getCollectionResults(Result r) Collect all collection results from a Result
static List<IterableResult<?>>	getIterableResults(Result r) Return all Iterable results
static List<OrderingResult>	getOrderingResults(Result r) Collect all ordering results from a Result
static List<OutlierResult>	getOutlierResults(Result r) Collect all outlier results from a Result
static List<Relation<?>>	getRelations(Result r) Collect all Annotation results from a Result
static SamplingResult	getSamplingResult(Relation<?> rel) Get the sampling result attached to a relation
static ScalesResult	getScalesResult(Relation<? extends SpatialComparable> rel) Get (or create) a scales result for a relation.
static List<SettingsResult>	getSettingsResults(Result r) Collect all settings results from a Result
static void	removeRecursive(ResultHierarchy hierarchy, Result child) Recursively remove a result and its children.

Methods inherited from class java.lang.Object

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

Constructor Detail

ResultUtil

public ResultUtil()

Method Detail

getRelations

public static List<Relation<?>> getRelations(Result r)

Collect all Annotation results from a Result

Parameters:

r - Result

Returns:

List of all annotation results

getOrderingResults

public static List<OrderingResult> getOrderingResults(Result r)

Collect all ordering results from a Result

Parameters:

r - Result

Returns:

List of ordering results

getClusteringResults

public static List<Clustering<? extends Model>> getClusteringResults(Result r)

Collect all clustering results from a Result

Parameters:

r - Result

Returns:

List of clustering results

getCollectionResults

public static List<CollectionResult<?>> getCollectionResults(Result r)

Collect all collection results from a Result

Parameters:

r - Result

Returns:

List of collection results

getIterableResults

public static List<IterableResult<?>> getIterableResults(Result r)

Return all Iterable results

Parameters:

r - Result

Returns:

List of iterable results

getOutlierResults

public static List<OutlierResult> getOutlierResults(Result r)

Collect all outlier results from a Result

Parameters:

r - Result

Returns:

List of outlier results

getSettingsResults

public static List<SettingsResult> getSettingsResults(Result r)

Collect all settings results from a Result

Parameters:

r - Result

Returns:

List of settings results

filterResults

public static <C extends Result> ArrayList<C> filterResults(ResultHierarchy hier,
                                            Result r,
                                            Class<? super C> restrictionClass)

Return only results of the given restriction class

Type Parameters:

C - Class type

Parameters:

hier - Result hierarchy

r - Starting position

restrictionClass - Class restriction

Returns:

filtered results list

filterResults

public static <C extends Result> ArrayList<C> filterResults(ResultHierarchy hier,
                                            Class<? super C> restrictionClass)

Return only results of the given restriction class

Type Parameters:

C - Class type

Parameters:

hier - Result hierarchy

restrictionClass - Class restriction

Returns:

filtered results list

ensureClusteringResult

public static void ensureClusteringResult(Database db,
                          Result result)

Ensure that the result contains at least one Clustering.

Parameters:

db - Database to process

result - result

ensureSelectionResult

public static SelectionResult ensureSelectionResult(Database db)

Ensure that there also is a selection container object.

Parameters:

db - Database

Returns:

selection result

getSamplingResult

public static SamplingResult getSamplingResult(Relation<?> rel)

Get the sampling result attached to a relation

Parameters:

rel - Relation

Returns:

Sampling result.

getScalesResult

public static ScalesResult getScalesResult(Relation<? extends SpatialComparable> rel)

Get (or create) a scales result for a relation.

Parameters:

rel - Relation

Returns:

associated scales result

addChildResult

public static void addChildResult(HierarchicalResult parent,
                  Result child)

Add a child result.

Parameters:

parent - Parent

child - Child

findDatabase

public static Database findDatabase(ResultHierarchy hier,
                    Result baseResult)

Find the first database result in the tree.

Parameters:

baseResult - Result tree base.

Returns:

Database

findDatabase

public static Database findDatabase(ResultHierarchy hier)

Find the first database result in the tree.

Parameters:

hier - Result hierarchy.

Returns:

Database

removeRecursive

public static void removeRecursive(ResultHierarchy hierarchy,
                   Result child)

Recursively remove a result and its children.

Parameters:

hierarchy - Result hierarchy

child - Result to remove