/*
    * Copyright (c) 2001-2017, Zoltan Farkas All Rights Reserved.
    *
    * This library is free software; you can redistribute it and/or
    * modify it under the terms of the GNU Lesser General Public
    * License as published by the Free Software Foundation; either
    * version 2.1 of the License, or (at your option) any later version.
    *
    * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
   *
   * Additionally licensed with:
   *
   * 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 org.spf4j.base;
  
  import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  import java.util.logging.Level;
  import java.util.logging.Logger;
  import javax.annotation.Nullable;
  
  
  /**
   * @author zoly
   */
  @SuppressFBWarnings("ACEM_ABSTRACT_CLASS_EMPTY_METHODS")
  public abstract class AbstractRunnable implements Runnable {
  
    @Deprecated
    public static final int ERROR_EXIT_CODE = SysExits.EX_SOFTWARE.exitCode();
  
  
    public static final Runnable NOP = () -> { };
  
    private final boolean lenient;
  
    private final String threadName;
  
    /**
     * Create runnable lenient or not with a specific thread name during its execution.
     *
     * @param lenient - If lenient is true, it means that nobody is waiting for this runnable's result(finish) so To not
     * loose the exception, the runnable will LOG it as an error, and not retrow it
     * @param threadName - the thread name during the execution of this runnable.
     */
    public AbstractRunnable(final boolean lenient, @Nullable final String threadName) {
      this.lenient = lenient;
      this.threadName = threadName;
    }
  
    /**
     * create runnable.
     *
     * @param lenient - If lenient is true, it means that nobody is waiting for this runnable's result(finish) so To not
     * loose the exception, the runnable will LOG it as an error, and not retrow it
     */
    public AbstractRunnable(final boolean lenient) {
      this(lenient, null);
    }
  
    public AbstractRunnable() {
      this(false, null);
    }
  
    public AbstractRunnable(final String threadName) {
      this(false, threadName);
    }
  
    @Override
    public final void run() {
      Thread thread = null;
      String origName = null;
      if (threadName != null) {
        thread = Thread.currentThread();
        origName = thread.getName();
        thread.setName(threadName);
      }
  
      try {
        doRun();
      } catch (Exception ex) {
        if (org.spf4j.base.Throwables.containsNonRecoverable(ex)) {
         Runtime.goDownWithError(ex, SysExits.EX_SOFTWARE);
       }
       if (lenient) {
         Logger.getLogger(AbstractRunnable.class.getName()).log(Level.SEVERE, "Exception in runnable: ", ex);
       } else {
         throw new UncheckedExecutionException(ex);
       }
     } catch (Throwable ex) {
       if (org.spf4j.base.Throwables.containsNonRecoverable(ex)) {
         Runtime.goDownWithError(ex, SysExits.EX_SOFTWARE);
       }
       throw ex;
     } finally {
       if (thread != null) {
         thread.setName(origName);
       }
     }
   }
 
   public abstract void doRun() throws Exception;
 
 }