AstroContext.java

/**
 * Copyright (c) 2010-2016 by the respective copyright holders.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.openhab.binding.astro.internal.common;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.openhab.binding.astro.AstroBindingProvider;
import org.openhab.binding.astro.internal.job.JobScheduler;
import org.openhab.binding.astro.internal.model.Moon;
import org.openhab.binding.astro.internal.model.Planet;
import org.openhab.binding.astro.internal.model.PlanetName;
import org.openhab.binding.astro.internal.model.Sun;
import org.openhab.core.events.EventPublisher;

/**
 * Singleton with the important objects for this binding.
 *
 * @author Gerhard Riegler
 * @since 1.5.0
 */
public class AstroContext {
    private EventPublisher eventPublisher;
    private Collection<AstroBindingProvider> providers;
    private AstroConfig config = new AstroConfig();
    private JobScheduler jobScheduler = new JobScheduler(this);

    private Map<PlanetName, Planet> planets = new HashMap<PlanetName, Planet>();

    private static AstroContext instance;

    private AstroContext() {
    }

    /**
     * Create or returns the instance of this class.
     */
    public static AstroContext getInstance() {
        if (instance == null) {
            instance = new AstroContext();
            instance.planets.put(PlanetName.SUN, new Sun());
            instance.planets.put(PlanetName.MOON, new Moon());
        }
        return instance;
    }

    /**
     * Returns the AstroConfig.
     */
    public AstroConfig getConfig() {
        return config;
    }

    /**
     * Sets the EventPublisher for use in the binding.
     */
    public void setEventPublisher(EventPublisher eventPublisher) {
        this.eventPublisher = eventPublisher;
    }

    /**
     * Returns the EventPublisher.
     */
    public EventPublisher getEventPublisher() {
        return eventPublisher;
    }

    /**
     * Returns all AstroBindingProviders.
     */
    public Collection<AstroBindingProvider> getProviders() {
        return providers;
    }

    /**
     * Sets all AstroBindingProviders for use in the binding.
     */
    public void setProviders(Collection<AstroBindingProvider> providers) {
        this.providers = providers;
    }

    /**
     * Returns the JobScheduler.
     */
    public JobScheduler getJobScheduler() {
        return jobScheduler;
    }

    /**
     * Returns the specified planet.
     */
    public Planet getPlanet(PlanetName planetName) {
        return planets.get(planetName);
    }

    /**
     * Sets the planet data.
     */
    public void setPlanet(PlanetName planetName, Planet planet) {
        planets.put(planetName, planet);
    }
}