de.lmu.ifi.dbs.elki.database.ids.generic
Class MergedDBIDs

java.lang.Object
  de.lmu.ifi.dbs.elki.database.ids.generic.MergedDBIDs

All Implemented Interfaces:

DBIDs, Iterable<DBID>, Collection<DBID>

public class MergedDBIDs
extends Object
implements DBIDs, Collection<DBID>

Merge the IDs of multiple layers into one.

Field Summary

(package private) DBIDs[]

childs Childs to merge

Constructor Summary

MergedDBIDs(DBIDs... childs)
Constructor.

Method Summary

boolean	add(DBID e)
boolean	addAll(Collection<? extends DBID> c)
Collection<DBID>	asCollection() Retrieve collection access to the IDs
void	clear()
boolean	contains(Object o) Test whether an ID is contained.
boolean	containsAll(Collection<?> c)
boolean	isEmpty() Test for an empty DBID collection.
Iterator<DBID>	iterator() Retrieve Iterator access to the IDs.
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
int	size() Retrieve the collection / data size.
Object[]	toArray()
<T> T[]	toArray(T[] a)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode

Field Detail

childs

DBIDs[] childs

Childs to merge

Constructor Detail

MergedDBIDs

public MergedDBIDs(DBIDs... childs)

Constructor.

Parameters:

childs -

Method Detail

asCollection

public Collection<DBID> asCollection()

Description copied from interface: DBIDs

Retrieve collection access to the IDs

Specified by:

asCollection in interface DBIDs

Returns:

a collection of IDs

iterator

public Iterator<DBID> iterator()

Description copied from interface: DBIDs

Retrieve Iterator access to the IDs.

Specified by:

iterator in interface DBIDs

Specified by:

iterator in interface Iterable<DBID>

Specified by:

iterator in interface Collection<DBID>

Returns:

an iterator for the IDs

size

public int size()

Description copied from interface: DBIDs

Retrieve the collection / data size.

Specified by:

size in interface DBIDs

Specified by:

size in interface Collection<DBID>

Returns:

collection size

isEmpty

public boolean isEmpty()

Description copied from interface: DBIDs

Test for an empty DBID collection.

Specified by:

isEmpty in interface DBIDs

Specified by:

isEmpty in interface Collection<DBID>

Returns:

true when empty.

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<DBID>

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface Collection<DBID>

contains

public boolean contains(Object o)

Description copied from interface: DBIDs

Test whether an ID is contained. Signature compatible with Collection.

Specified by:

contains in interface DBIDs

Specified by:

contains in interface Collection<DBID>

Parameters:

o - object to test

Returns:

true when contained

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<DBID>

clear

public void clear()

Specified by:

clear in interface Collection<DBID>

add

public boolean add(DBID e)

Specified by:

add in interface Collection<DBID>

addAll

public boolean addAll(Collection<? extends DBID> c)

Specified by:

addAll in interface Collection<DBID>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<DBID>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<DBID>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<DBID>