/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.fs.fat;
import org.jnode.fs.FSObject;
import org.jnode.fs.FileSystem;
/**
* @author epr
*/
public abstract class FatObject implements FSObject {
/** The filesystem I'm a part of */
private final FatFileSystem fs;
/** Is this object still valid? */
private boolean valid;
public FatObject(FatFileSystem fs) {
this.fs = fs;
this.valid = true;
}
/**
* Is this object still valid.
*
* An object is not valid anymore if it has been removed from the filesystem.
* All invocations on methods (exception this method) of invalid objects
* must throw an IOException.
*/
public final boolean isValid() {
return valid;
}
/**
* Mark this object as invalid.
*/
protected void invalidate() {
valid = false;
}
/**
* Gets the filesystem I'm a part of.
*/
public final FileSystem<?> getFileSystem() {
return fs;
}
/**
* Gets the filesystem I'm a part of.
*/
public final FatFileSystem getFatFileSystem() {
return fs;
}
}