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-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/notes/NoteMapMerger.java82
1 files changed, 28 insertions, 54 deletions
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/notes/NoteMapMerger.java b/org.eclipse.jgit/src/org/eclipse/jgit/notes/NoteMapMerger.java
index 19ec1a13db..30512c17b8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/notes/NoteMapMerger.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/notes/NoteMapMerger.java
@@ -1,44 +1,11 @@
/*
- * Copyright (C) 2010, Sasa Zivkov <sasa.zivkov@sap.com>
- * and other copyright owners as documented in the project's IP log.
+ * Copyright (C) 2010, Sasa Zivkov <sasa.zivkov@sap.com> and others
*
- * 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
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://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.
+ * SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.notes;
@@ -56,14 +23,13 @@ import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.merge.MergeStrategy;
import org.eclipse.jgit.merge.Merger;
import org.eclipse.jgit.merge.ThreeWayMerger;
-import org.eclipse.jgit.treewalk.AbstractTreeIterator;
-import org.eclipse.jgit.treewalk.TreeWalk;
/**
* Three-way note tree merge.
* <p>
- * Direct implementation of NoteMap merger without using {@link TreeWalk} and
- * {@link AbstractTreeIterator}
+ * Direct implementation of NoteMap merger without using
+ * {@link org.eclipse.jgit.treewalk.TreeWalk} and
+ * {@link org.eclipse.jgit.treewalk.AbstractTreeIterator}
*/
public class NoteMapMerger {
private static final FanoutBucket EMPTY_FANOUT = new FanoutBucket(0);
@@ -83,8 +49,9 @@ public class NoteMapMerger {
private final MutableObjectId objectIdPrefix;
/**
- * Constructs a NoteMapMerger with custom {@link NoteMerger} and custom
- * {@link MergeStrategy}.
+ * Constructs a NoteMapMerger with custom
+ * {@link org.eclipse.jgit.notes.NoteMerger} and custom
+ * {@link org.eclipse.jgit.merge.MergeStrategy}.
*
* @param db
* Git repository
@@ -104,9 +71,10 @@ public class NoteMapMerger {
}
/**
- * Constructs a NoteMapMerger with {@link DefaultNoteMerger} as the merger
- * for notes and the {@link MergeStrategy#RESOLVE} as the strategy for
- * resolving conflicts on non-notes
+ * Constructs a NoteMapMerger with
+ * {@link org.eclipse.jgit.notes.DefaultNoteMerger} as the merger for notes
+ * and the {@link org.eclipse.jgit.merge.MergeStrategy#RESOLVE} as the
+ * strategy for resolving conflicts on non-notes
*
* @param db
* Git repository
@@ -125,7 +93,8 @@ public class NoteMapMerger {
* @param theirs
* theirs version of the note tree
* @return merge result as a new NoteMap
- * @throws IOException
+ * @throws java.io.IOException
+ * if an IO error occurred
*/
public NoteMap merge(NoteMap base, NoteMap ours, NoteMap theirs)
throws IOException {
@@ -145,11 +114,16 @@ public class NoteMapMerger {
* between base, ours and theirs.
*
* @param treeDepth
+ * depth of the tree
* @param base
+ * base version
* @param ours
+ * ours version
* @param theirs
+ * theirs version
* @return merge result as an InMemoryBucket
* @throws IOException
+ * if an IO error occurred
*/
private InMemoryNoteBucket merge(int treeDepth, InMemoryNoteBucket base,
InMemoryNoteBucket ours, InMemoryNoteBucket theirs)
@@ -225,7 +199,7 @@ public class NoteMapMerger {
if (child == null)
return;
if (child instanceof InMemoryNoteBucket)
- b.setBucket(cell, ((InMemoryNoteBucket) child).writeTree(inserter));
+ b.setBucket(cell, child.writeTree(inserter));
else
b.setBucket(cell, child.getTreeId());
}
@@ -294,22 +268,22 @@ public class NoteMapMerger {
private static boolean sameNote(Note a, Note b) {
if (a == null && b == null)
return true;
- return a != null && b != null && AnyObjectId.equals(a, b);
+ return a != null && b != null && AnyObjectId.isEqual(a, b);
}
private static boolean sameContent(Note a, Note b) {
if (a == null && b == null)
return true;
return a != null && b != null
- && AnyObjectId.equals(a.getData(), b.getData());
+ && AnyObjectId.isEqual(a.getData(), b.getData());
}
private static InMemoryNoteBucket addIfNotNull(InMemoryNoteBucket result,
Note note) {
- if (note != null)
+ if (note != null) {
return result.append(note);
- else
- return result;
+ }
+ return result;
}
private NonNoteEntry mergeNonNotes(NonNoteEntry baseList,