| /* |
| * Copyright (C) 2007, Dave Watson <dwatson@mimvista.com> |
| * Copyright (C) 2007-2008, Robin Rosenberg <robin.rosenberg@dewire.com> |
| * Copyright (C) 2006, Shawn O. Pearce <spearce@spearce.org> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.lib; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.eclipse.jgit.lib.GitIndex.Entry; |
| |
| /** |
| * Visitor interface for traversing the index and two trees in parallel. |
| * |
| * When merging we deal with up to two tree nodes and a base node. Then |
| * we figure out what to do. |
| * |
| * A File argument is supplied to allow us to check for modifications in |
| * a work tree or update the file. |
| */ |
| public interface IndexTreeVisitor { |
| /** |
| * Visit a blob, and corresponding tree and index entries. |
| * |
| * @param treeEntry |
| * @param indexEntry |
| * @param file |
| * @throws IOException |
| */ |
| public void visitEntry(TreeEntry treeEntry, Entry indexEntry, File file) throws IOException; |
| |
| /** |
| * Visit a blob, and corresponding tree nodes and associated index entry. |
| * |
| * @param treeEntry |
| * @param auxEntry |
| * @param indexEntry |
| * @param file |
| * @throws IOException |
| */ |
| public void visitEntry(TreeEntry treeEntry, TreeEntry auxEntry, Entry indexEntry, File file) throws IOException; |
| |
| /** |
| * Invoked after handling all child nodes of a tree, during a three way merge |
| * |
| * @param tree |
| * @param auxTree |
| * @param curDir |
| * @throws IOException |
| */ |
| public void finishVisitTree(Tree tree, Tree auxTree, String curDir) throws IOException; |
| |
| /** |
| * Invoked after handling all child nodes of a tree, during two way merge. |
| * |
| * @param tree |
| * @param i |
| * @param curDir |
| * @throws IOException |
| */ |
| public void finishVisitTree(Tree tree, int i, String curDir) throws IOException; |
| } |