de.lmu.ifi.dbs.elki.utilities
Class DatabaseUtil.RelationObjectIterator<O>

java.lang.Object
  de.lmu.ifi.dbs.elki.utilities.DatabaseUtil.RelationObjectIterator<O>

All Implemented Interfaces:

Iterator<O>

Enclosing class:

DatabaseUtil

public static class DatabaseUtil.RelationObjectIterator<O>
extends Object
implements Iterator<O>

Iterator class that retrieves the given objects from the database.

Field Summary

(package private) Relation<? extends O>	database The database we use
(package private) Iterator<DBID>	iter The real iterator.

Constructor Summary

DatabaseUtil.RelationObjectIterator(Iterator<DBID> iter, Relation<? extends O> database)
Full Constructor.

DatabaseUtil.RelationObjectIterator(Relation<? extends O> database)
Simplified constructor.

Method Summary

boolean	hasNext()
O	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

iter

final Iterator<DBID> iter

The real iterator.

database

final Relation<? extends O> database

The database we use

Constructor Detail

DatabaseUtil.RelationObjectIterator

public DatabaseUtil.RelationObjectIterator(Iterator<DBID> iter,
                                           Relation<? extends O> database)

Full Constructor.

Parameters:

iter - Original iterator.

database - Database

DatabaseUtil.RelationObjectIterator

public DatabaseUtil.RelationObjectIterator(Relation<? extends O> database)

Simplified constructor.

Parameters:

database - Database

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<O>

next

public O next()

Specified by:

next in interface Iterator<O>

remove

public void remove()

Specified by:

remove in interface Iterator<O>