/*
* $Id$
* This file is a part of the Arakhne Foundation Classes, http://www.arakhne.org/afc
*
* Copyright (c) 2000-2012 Stephane GALLAND.
* Copyright (c) 2005-10, Multiagent Team, Laboratoire Systemes et Transports,
* Universite de Technologie de Belfort-Montbeliard.
* Copyright (c) 2013-2016 The original authors, and other authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.arakhne.afc.math.geometry.d2;
import org.eclipse.xtext.xbase.lib.Pure;
/**
* Immutable point 2D.
*
* @author $Author: sgalland$
* @version $FullVersion$
* @mavengroupid $GroupId$
* @mavenartifactid $ArtifactId$
* @since 13.0
*/
public final class ImmutablePoint2D implements UnmodifiablePoint2D<ImmutablePoint2D, ImmutableVector2D> {
private static final long serialVersionUID = 2208831768117217178L;
private final double x;
private final double y;
/**
* @param x x coordinate.
* @param y y coordinate.
*/
public ImmutablePoint2D(double x, double y) {
this.x = x;
this.y = y;
}
/**
* @param x x coordinate.
* @param y y coordinate.
*/
public ImmutablePoint2D(int x, int y) {
this.x = x;
this.y = y;
}
@Override
public ImmutableGeomFactory getGeomFactory() {
return ImmutableGeomFactory.SINGLETON;
}
@Pure
@Override
public boolean equals(Object object) {
if (object == this) {
return true;
}
if (getClass().isInstance(object)) {
final Tuple2D<?> tuple = (Tuple2D<?>) object;
return tuple.getX() == getX() && tuple.getY() == getY();
}
return false;
}
@Pure
@Override
public int hashCode() {
long bits = 1;
bits = 31 * bits + Double.hashCode(this.x);
bits = 31 * bits + Double.hashCode(this.y);
final int b = (int) bits;
return b ^ (b >> 31);
}
@Pure
@Override
public String toString() {
return Tuple2D.toString(this.x, this.y);
}
@Pure
@Override
public ImmutablePoint2D clone() {
try {
return (ImmutablePoint2D) super.clone();
} catch (CloneNotSupportedException exception) {
throw new InternalError(exception);
}
}
@Pure
@Override
public double getX() {
return this.x;
}
@Pure
@Override
public int ix() {
return (int) this.x;
}
@Pure
@Override
public double getY() {
return this.y;
}
@Pure
@Override
public int iy() {
return (int) this.y;
}
}