A debounced IntentService

DebounceIntentService.java

/*
 * Copyright (c) 2016 PlanGrid, Inc. All rights reserved.
 */

package com.plangrid.android.services;

import android.app.IntentService;
import android.content.Intent;
import android.os.Bundle;

import com.plangrid.android.helpers.Logger;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;

public abstract class DebounceIntentService extends IntentService{
    public static final int DEBOUNCED = -1;

    private final long mDebounceInterval;
    private final AtomicBoolean mIsRunning = new AtomicBoolean(false);
    private final String mServiceName;

    public DebounceIntentService(String name, long time, TimeUnit type){
        super(name);
        mServiceName = name;
        mDebounceInterval = type.toMillis(time);
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId){
        if(!mIsRunning.get()){
            return super.onStartCommand(intent, flags, startId);
        }
        return DEBOUNCED;
    }

    @Override
    protected void onHandleIntent(Intent intent){
        try{
            mIsRunning.set(true);
            doWork(intent.getExtras());
            wait(mDebounceInterval);
        }catch(InterruptedException e){
            Logger.getInstance().warning(mServiceName, "interrupted debounced intent");
        }finally{
            mIsRunning.set(false);
        }
    }

    abstract void doWork(Bundle data);
}