WeatherContext.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.weather.internal.common;

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

import org.openhab.binding.weather.WeatherBindingProvider;
import org.openhab.binding.weather.internal.model.Weather;
import org.openhab.binding.weather.internal.scheduler.WeatherJobScheduler;
import org.openhab.core.events.EventPublisher;

/**
 * Singleton with the important objects for this binding.
 *
 * @author Gerhard Riegler
 * @since 1.6.0
 */
public class WeatherContext {
    private EventPublisher eventPublisher;
    private Collection<WeatherBindingProvider> providers;

    private WeatherConfig config = new WeatherConfig();
    private WeatherJobScheduler jobScheduler = new WeatherJobScheduler(this);
    private Map<String, Weather> weatherByLocationId = new HashMap<String, Weather>();

    private static WeatherContext instance;

    private WeatherContext() {
    }

    /**
     * Create or returns the instance of this class.
     */
    public static synchronized WeatherContext getInstance() {
        if (instance == null) {
            instance = new WeatherContext();
        }
        return instance;
    }

    /**
     * Returns the WeatherConfig.
     */
    public WeatherConfig 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 WeatherBindingProviders.
     */
    public Collection<WeatherBindingProvider> getProviders() {
        return providers;
    }

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

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

    /**
     * Returns the weather data for the specified locationId.
     */
    public Weather getWeather(String locationId) {
        return weatherByLocationId.get(locationId);
    }

    /**
     * Returns the weather data for the specified locationId.
     */
    public void setWeather(String locationId, Weather weather) {
        weatherByLocationId.put(locationId, weather);
    }

}