/*
    * Copyright (C) 2005-2015 Schlichtherle IT Services.
    * All rights reserved. Use is subject to license terms.
    */
   package de.schlichtherle.truezip.fs;
   
   import java.io.IOException;
   import javax.annotation.concurrent.ThreadSafe;
   
  /**
   * Indicates that a call to {@link FsController#sync} cannot succeed because
   * some threads have unclosed I/O resources, e.g. streams or channels.
   * <p>
   * This exception should be recoverable, meaning it should be possible to
   * successfully retry the operation as soon as these I/O resources have been
   * closed and no other exceptional conditions apply.
   * 
   * @since   TrueZIP 7.5
   * @author  Christian Schlichtherle
   */
  @ThreadSafe
  public final class FsResourceOpenException extends IOException {
      private static final long serialVersionUID = 1L;
  
      final int local, total;
  
      FsResourceOpenException(int total, int local) {
          super("Thread-local / total number of open I/O resources (streams, channels etc): %d / %d");
          this.local = local;
          this.total = total;
      }
  
      public int getLocal() { return local; }
  
      public int getTotal() { return total; }
  
      @Override
      public String getMessage() {
          return String.format(super.getMessage(), local, total);
      }
  }