Mercurial > hg4j
view src/org/tmatesoft/hg/internal/Filter.java @ 338:3cfa4d908fc9
Add options to control DataAccessProvider, allow to turn off use of file memory mapping in particular to solve potential sharing violation (os file handle gets released on MappedByteByffer being GC'd, not on FileChannel.close())
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Tue, 15 Nov 2011 04:47:03 +0100 |
parents | a37ce7145c3f |
children | f2c11fe7f3e9 |
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/* * Copyright (c) 2011 TMate Software Ltd * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * 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 General Public License for more details. * * For information on how to redistribute this software under * the terms of a license other than GNU General Public License * contact TMate Software at support@hg4j.com */ package org.tmatesoft.hg.internal; import java.nio.ByteBuffer; import org.tmatesoft.hg.repo.HgRepository; import org.tmatesoft.hg.util.Path; /** * * @author Artem Tikhomirov * @author TMate Software Ltd. */ public interface Filter { // returns a buffer ready to be read. may return original buffer. // original buffer may not be fully consumed, #compact() might be operation to perform ByteBuffer filter(ByteBuffer src); interface Factory { void initialize(HgRepository hgRepo); // may return null if for a given path and/or options this filter doesn't make any sense Filter create(Path path, Options opts); } enum Direction { FromRepo, ToRepo } public class Options { private final Direction direction; public Options(Direction dir) { direction = dir; } Direction getDirection() { return direction; } } }