/*
* This source is part of the
* _____ ___ ____
* __ / / _ \/ _ | / __/___ _______ _
* / // / , _/ __ |/ _/_/ _ \/ __/ _ `/
* \___/_/|_/_/ |_/_/ (_)___/_/ \_, /
* /___/
* repository.
*
* Copyright (C) 2014 Carmen Alvarez (c@rmen.ca)
*
* 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 ca.rmen.android.networkmonitor.app.service.datasources;
import android.content.ContentValues;
import android.content.Context;
import ca.rmen.android.networkmonitor.app.service.NetMonService;
/**
* A {@link NetMonDataSource} implementation is called periodically to retrieve values for one or several related fields, which will be stored in the database.
* An implementing class must have a no-args constructor: either public, or with package-visibility if it is in this package.
*/
interface NetMonDataSource {
/**
* Perform any initialization which will be needed to retrieve data. For example, register any listeners, retrieve any needed system services. This will be
* called when {@link NetMonService} starts.
*/
void onCreate(Context context);
/**
* Perform any cleanup. For example, unregister any listeners. This will be called when {@link NetMonService} stops.
*/
void onDestroy();
/**
* This will be called periodically, on a background thread, according to the interval the user selected in the preferences.
*
* @return the attributes of the particular data source, at the current time.
*/
ContentValues getContentValues();
}