001package votorola.s.gwt.stage.light; // Copyright 2012, Michael Allan.  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE.
002
003import java.util.*;
004
005
006/** Collected lights and sensors on stage.
007  *
008  *     @see votorola.s.gwt.stage.Stage#lightBank()
009  */
010public final class LightBank
011{
012
013
014    /** Adds a light to the bank.
015      *
016      *     @throws IllegalArgumentException if the light is already in the bank.
017      *
018      *     @see #removeLight(Light)
019      */
020    public void addLight( final Light<? extends Sensor> light )
021    {
022        if( lights.contains( light )) throw new IllegalArgumentException( "light already added" );
023
024        for( final Sensor1 sensor: sensors ) sensor.addingLight( light );
025        lights.add( light );
026    }
027
028
029
030    /** Adds a sensor to the stage.
031      *
032      *     @throws IllegalArgumentException if the sensor is already on stage.
033      *
034      *     @see #removeSensor(Sensor1)
035      */
036    public void addSensor( final Sensor1 sensor )
037    {
038        if( sensors.contains( sensor )) throw new IllegalArgumentException( "sensor already added" );
039
040        for( final Light<? extends Sensor> light: lights ) sensor.addingLight( light );
041        sensors.add( sensor );
042    }
043
044
045
046    /** Removes a light from the bank.
047      *
048      *     @throws IllegalArgumentException if the light is not in the bank.
049      *
050      *     @see #addLight(Light)
051      */
052    public void removeLight( final Light<? extends Sensor> light )
053    {
054        if( !lights.remove( light )) throw new IllegalArgumentException( "no such light" );
055
056        for( final Sensor1 sensor: sensors ) sensor.removingLight( light );
057    }
058
059
060
061    /** Removes a sensor from the stage.
062      *
063      *     @throws IllegalArgumentException if the sensor is not on stage.
064      *
065      *     @see #addSensor(Sensor1)
066      */
067    public void removeSensor( final Sensor1 sensor )
068    {
069        if( !sensors.remove( sensor )) throw new IllegalArgumentException( "no such sensor" );
070
071        sensor.removed();
072    }
073
074
075
076//// P r i v a t e ///////////////////////////////////////////////////////////////////////
077
078
079    private final LinkedList<Light<? extends Sensor>> lights = new LinkedList<Light<? extends Sensor>>();
080
081
082
083    private final LinkedList<Sensor1> sensors = new LinkedList<Sensor1>();
084
085
086}