/*
 * Copyright 2007 Yusuke Yamamoto
 *
 * 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 twitter4j;

import java.io.Serializable;

/**
 * A data class representing geo location.
 * 
 * @author Yusuke Yamamoto - yusuke at mac.com
 */
public class GeoLocation implements Serializable {

	/**
	 * 
	 */
	private static final long serialVersionUID = 4603460402828968366L;
	protected double latitude;
	protected double longitude;

	/**
	 * Creates a GeoLocation instance
	 * 
	 * @param latitude the latitude
	 * @param longitude the longitude
	 */
	public GeoLocation(final double latitude, final double longitude) {
		this.latitude = latitude;
		this.longitude = longitude;
	}

	/* For serialization purposes only. */
	/* package */GeoLocation() {

	}

	@Override
	public boolean equals(final Object o) {
		if (this == o) return true;
		if (!(o instanceof GeoLocation)) return false;

		final GeoLocation that = (GeoLocation) o;

		if (Double.compare(that.getLatitude(), latitude) != 0) return false;
		if (Double.compare(that.getLongitude(), longitude) != 0) return false;

		return true;
	}

	/**
	 * returns the latitude of the geo location
	 * 
	 * @return the latitude
	 */
	public double getLatitude() {
		return latitude;
	}

	/**
	 * returns the longitude of the geo location
	 * 
	 * @return the longitude
	 */
	public double getLongitude() {
		return longitude;
	}

	@Override
	public int hashCode() {
		int result;
		long temp;
		temp = latitude != +0.0d ? Double.doubleToLongBits(latitude) : 0L;
		result = (int) (temp ^ temp >>> 32);
		temp = longitude != +0.0d ? Double.doubleToLongBits(longitude) : 0L;
		result = 31 * result + (int) (temp ^ temp >>> 32);
		return result;
	}

	@Override
	public String toString() {
		return "GeoLocation{" + "latitude=" + latitude + ", longitude=" + longitude + '}';
	}
}