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

Class UnmodifiableDBIDs

java.lang.Object

de.lmu.ifi.dbs.elki.database.ids.generic.UnmodifiableDBIDs

All Implemented Interfaces:

DBIDs, StaticDBIDs, Iterable<DBID>

public class UnmodifiableDBIDs
extends Object
implements StaticDBIDs

Unmodifiable wrapper for DBIDs.

Field Summary

Fields

Modifier and Type	Field and Description
private DBIDs	inner The DBIDs we wrap.

Constructor Summary

Constructors

Constructor and Description
UnmodifiableDBIDs(DBIDs inner) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
Collection<DBID>	asCollection() Retrieve collection access to the IDs
boolean	contains(Object o) Test whether an ID is contained.
boolean	isEmpty() Test for an empty DBID collection.
Iterator<DBID>	iterator() Retrieve Iterator access to the IDs.
int	size() Retrieve the collection / data size.
String	toString() Returns a string representation of the inner DBID collection.

Methods inherited from class java.lang.Object

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

Field Detail

inner

private final DBIDs inner

The DBIDs we wrap.

Constructor Detail

UnmodifiableDBIDs

public UnmodifiableDBIDs(DBIDs inner)

Constructor.

Parameters:

inner - Inner DBID collection.

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

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

Parameters:

o - object to test

Returns:

true when contained

isEmpty

public boolean isEmpty()

Description copied from interface: DBIDs

Test for an empty DBID collection.

Specified by:

isEmpty in interface DBIDs

Returns:

true when empty.

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>

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

Returns:

collection size

toString

public String toString()

Returns a string representation of the inner DBID collection.

Overrides:

toString in class Object