Weather Contract with WeatherEntry

WeatherContract.java

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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 com.example.android.sunshine.app.data;

import android.provider.BaseColumns;

/**
 * Defines table and column names for the weather database.
 */
public class WeatherContract {
    /* Inner class that defines the table contents of the weather table */
    public static final class WeatherEntry implements BaseColumns {

        public static final String TABLE_NAME = "weather";

        // Column with the foreign key into the location table.
        public static final String COLUMN_LOC_KEY = "location_id";
        // Date, stored as Text with format yyyy-MM-dd
        public static final String COLUMN_DATETEXT = "date";
        // Weather id as returned by API, to identify the icon to be used
        public static final String COLUMN_WEATHER_ID = "weather_id";

        // Short description and long description of the weather, as provided by API.
        // e.g "clear" vs "sky is clear".
        public static final String COLUMN_SHORT_DESC = "short_desc";

        // Min and max temperatures for the day (stored as floats)
        public static final String COLUMN_MIN_TEMP = "min";
        public static final String COLUMN_MAX_TEMP = "max";

        // Humidity is stored as a float representing percentage
        public static final String COLUMN_HUMIDITY = "humidity";

        // Humidity is stored as a float representing percentage
        public static final String COLUMN_PRESSURE = "pressure";

        // Windspeed is stored as a float representing windspeed  mph
        public static final String COLUMN_WIND_SPEED = "wind";

        // Degrees are meteorological degrees (e.g, 0 is north, 180 is south).  Stored as floats.
        public static final String COLUMN_DEGREES = "degrees";
    }
}

Comment on COLUMN_SHORT_DESC implies a COLUMN_LONG_DESC, which is absent.
Comments on COLUMN_PRESSURE and COLUMN_DEGREES are incorrect, likely due to copypasta.

Comment on COLUMN_PRESSURE and COLUMN_HUMIDITY are equal.

Great clean code!