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 /*
  * Copyright 1&1 Internet AG, http://www.1and1.org
  *
  * This program 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 of the License,
  * or (at your option) any later version.
  *
  * This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.beezle.sushi.fs;

To programmatically test the features available in a filesystem. A features is not specific to a node, it's specific to a file system. Features do not change during the lifetime of the vm. This is a value object passed to the filesystem constructor (and not an interface, e.g. implemented by Filesystems) to ensure that values won't change.
public class Features {
    public final boolean write;

    
if not, move is emulated by copy and delete
    public final boolean nativeMove;

    
if not, link methods throw an UnsupportedOperationException
    public final boolean links;
    public final boolean modes;
    public final boolean atomicMkfile;
    public final boolean atomicMkdir;

    
true, when writeTo is more efficient than createInputStream
    public final boolean inverseIO;
    public Features(boolean writeboolean nativeMoveboolean linksboolean modesboolean atomicMkfile,
                    boolean atomicMkdirboolean inverseIO) {
        this. = write;
        this. = nativeMove;
        this. = links;
        this. = modes;
        this. = atomicMkfile;
        this. = atomicMkdir;
        this. = inverseIO;
    }
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