com.dg.libs.rest.services.BaseObservableThreadPoolServiceService Maven / Gradle / Ivy

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This is a library for android for Making RestFul Requests

There is a newer version: 2.9.0

/**
 *
 */
package com.dg.libs.rest.services;

import java.util.concurrent.TimeUnit;

import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;

import com.araneaapps.android.libs.logger.ALog;
import com.dg.libs.rest.HttpRequest;
import com.dg.libs.rest.domain.DownloadPriority;

/** @author darko.grozdanovski */
public abstract class BaseObservableThreadPoolServiceService extends
    BaseThreadPoolService {

  public static final String TAG = BaseObservableThreadPoolServiceService.class
      .getSimpleName();

  /**
   * Use to shut down the service when done, register the worker when its
   * started, unregister when its completed
   */
  public ThreadCountObserver observer = new ThreadCountObserver() {

    private final Handler shutdownHandler = new Handler();
    private final Runnable runnable = new Runnable() {

      @Override
      public void run() {
        ALog.d("Shutting down " + TAG);
        stopSelf();
      }
    };

    @Override
    public void onThreadsFinished() {
      shutdownHandler.postDelayed(runnable, TimeUnit.SECONDS.toMillis(60L));
    }

    @Override
    public void newRunnableRegistered() {
      shutdownHandler.removeCallbacks(runnable);
    }
  };

  @Override
  public IBinder onBind(final Intent intent) {
    return null;
  }

  @Override
  public void onCreate() {
    super.onCreate();
  }

  /**
   * Used to submit prioritized tasks to the Queue for the file download
   * 
   * @author darko.grozdanovski
   */
  class WorkerThread implements Runnable, WorkerPriority {

    private final DownloadPriority downloadPriority;
    private final HttpRequest request;

    public WorkerThread(final DownloadPriority downloadPriority, final HttpRequest request) {
      super();
      this.downloadPriority = downloadPriority;
      this.request = request;
    }

    /** @return the priority */
    @Override
    public DownloadPriority getPriority() {
      return downloadPriority;
    }

    @Override
    public void run() {
      observer.registerRunnable(this);
      request.execute();
      observer.unregisterRunnable(this);
    }
  }
}