Mercurial > hg4j
view src/org/tmatesoft/hg/internal/Filter.java @ 115:c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Thu, 03 Feb 2011 23:32:08 +0100 |
parents | 46291ec605a0 |
children | 7567f4a42fe5 |
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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@svnkit.com */ package org.tmatesoft.hg.internal; import java.nio.ByteBuffer; import org.tmatesoft.hg.core.Path; import org.tmatesoft.hg.repo.HgRepository; /** * * @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, ConfigFile cfg); // 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; } } }