content: /*
   * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code 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
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package java.nio.file;
  
  /**
   * Defines the <em>standard</em> event kinds.
   *
   * @since 1.7
   */
  
  public final class StandardWatchEventKinds {
      private StandardWatchEventKinds() { }
  
      /**
       * A special event to indicate that events may have been lost or
       * discarded.
       *
       * <p> The {@link WatchEvent#context context} for this event is
       * implementation specific and may be {@code null}. The event {@link
       * WatchEvent#count count} may be greater than {@code 1}.
       *
       * @see WatchService
       */
      public static final WatchEvent.Kind<Object> OVERFLOW =
          new StdWatchEventKind<Object>("OVERFLOW", Object.class);
  
      /**
       * Directory entry created.
       *
       * <p> When a directory is registered for this event then the {@link WatchKey}
       * is queued when it is observed that an entry is created in the directory
       * or renamed into the directory. The event {@link WatchEvent#count count}
       * for this event is always {@code 1}.
       */
      public static final WatchEvent.Kind<Path> ENTRY_CREATE =
          new StdWatchEventKind<Path>("ENTRY_CREATE", Path.class);
  
      /**
       * Directory entry deleted.
       *
       * <p> When a directory is registered for this event then the {@link WatchKey}
       * is queued when it is observed that an entry is deleted or renamed out of
       * the directory. The event {@link WatchEvent#count count} for this event
       * is always {@code 1}.
       */
      public static final WatchEvent.Kind<Path> ENTRY_DELETE =
          new StdWatchEventKind<Path>("ENTRY_DELETE", Path.class);
  
      /**
       * Directory entry modified.
       *
       * <p> When a directory is registered for this event then the {@link WatchKey}
       * is queued when it is observed that an entry in the directory has been
       * modified. The event {@link WatchEvent#count count} for this event is
       * {@code 1} or greater.
       */
      public static final WatchEvent.Kind<Path> ENTRY_MODIFY =
          new StdWatchEventKind<Path>("ENTRY_MODIFY", Path.class);
  
      private static class StdWatchEventKind<T> implements WatchEvent.Kind<T> {
          private final String name;
          private final Class<T> type;
          StdWatchEventKind(String name, Class<T> type) {
              this.name = name;
              this.type = type;
          }
          @Override public String name() { return name; }
          @Override public Class<T> type() { return type; }
          @Override public String toString() { return name; }
      }
  }
  