Package org.opentrafficsim.road.gtu.lane.perception

Class PerceptionIterableSet<H extends Headway>

java.lang.Object

org.opentrafficsim.road.gtu.lane.perception.PerceptionIterableSet<H>

Type Parameters:

H - headway type

All Implemented Interfaces:

Iterable<H>, PerceptionIterable<H>

public class PerceptionIterableSet<H extends Headway>
extends Object
implements PerceptionIterable<H>

Simple implementation of PerceptionIterable which wraps a set. Constructors are available for an empty set, a single-valued set, or a sorted set.

Copyright (c) 2013-2019 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.

Version:

$Revision$, $LastChangedDate$, by $Author$, initial version 26 feb. 2018

Author:

Alexander Verbraeck, Peter Knoppers, Wouter Schakel

Constructor Summary

Constructors

Constructor	Description
PerceptionIterableSet()	Creates an empty iterable.
PerceptionIterableSet(H headway)	Creates a single-value iterable.
PerceptionIterableSet(SortedSet<H> headways)	Creates an iterable from a sorted set.

Method Summary

Modifier and Type	Method	Description
H	first()	Returns the first element.
boolean	isEmpty()	Returns whether this iterable is empty.
Iterator<H>	iterator()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

PerceptionIterableSet

public PerceptionIterableSet()

Creates an empty iterable.

PerceptionIterableSet

public PerceptionIterableSet(H headway)

Creates a single-value iterable.

Parameters:

headway - H; headway

PerceptionIterableSet

public PerceptionIterableSet(SortedSet<H> headways)

Creates an iterable from a sorted set.

Parameters:

headways - SortedSet<H>; set of headway

Method Details

iterator

public Iterator<H> iterator()

Specified by:

iterator in interface Iterable<H extends Headway>

first

public H first()

Returns the first element.

Specified by:

first in interface PerceptionIterable<H extends Headway>

Returns:

H; first element

isEmpty

public boolean isEmpty()

Returns whether this iterable is empty.

Specified by:

isEmpty in interface PerceptionIterable<H extends Headway>

Returns:

whether this iterable is empty