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

public class MergedDBIDs
extends Object
implements DBIDs

Merge the IDs of multiple layers into one.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) DBIDs[]	childs Childs to merge

Constructor Summary

Constructors

Constructor and Description
MergedDBIDs(DBIDs... childs) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	contains(DBIDRef o) Test whether an ID is contained.
boolean	isEmpty() Test for an empty DBID collection.
DBIDIter	iter() Get a DBID iterator (a more efficient API).
int	size() Retrieve the collection / data size.

Methods inherited from class java.lang.Object

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

Field Detail

childs

DBIDs[] childs

Childs to merge

Constructor Detail

MergedDBIDs

public MergedDBIDs(DBIDs... childs)

Constructor.

Parameters:

childs -

Method Detail

iter

public DBIDIter iter()

Description copied from interface: DBIDs

Get a DBID iterator (a more efficient API). usage example:

 for(DBIDIter iter = ids.iter(); iter.valid(); iter.advance()) {
   DBID id = iter.getDBID();
 }
 
 

Specified by:

iter in interface DBIDs

Returns:

iterator

size

public int size()

Description copied from interface: DBIDs

Retrieve the collection / data size.

Specified by:

size in interface DBIDs

Returns:

collection size

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.

contains

public boolean contains(DBIDRef o)

Description copied from interface: DBIDs

Test whether an ID is contained.

Specified by:

contains in interface DBIDs

Parameters:

o - object to test

Returns:

true when contained