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// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.server.patch;
import com.google.gerrit.reviewdb.client.Patch;
import com.google.gerrit.reviewdb.client.Project;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
public class DiffSummaryLoader implements Callable<DiffSummary> {
public interface Factory {
DiffSummaryLoader create(DiffSummaryKey key, Project.NameKey project);
}
private final PatchListCache patchListCache;
private final DiffSummaryKey key;
private final Project.NameKey project;
@Inject
DiffSummaryLoader(PatchListCache plc, @Assisted DiffSummaryKey k, @Assisted Project.NameKey p) {
patchListCache = plc;
key = k;
project = p;
}
@Override
public DiffSummary call() throws Exception {
PatchList patchList = patchListCache.get(key.toPatchListKey(), project);
return toDiffSummary(patchList);
}
private DiffSummary toDiffSummary(PatchList patchList) {
List<String> r = new ArrayList<>(patchList.getPatches().size());
for (PatchListEntry e : patchList.getPatches()) {
if (Patch.isMagic(e.getNewName())) {
continue;
}
switch (e.getChangeType()) {
case ADDED:
case MODIFIED:
case DELETED:
case COPIED:
case REWRITE:
r.add(e.getNewName());
break;
case RENAMED:
r.add(e.getOldName());
r.add(e.getNewName());
break;
}
}
return new DiffSummary(
r.stream().sorted().toArray(String[]::new),
patchList.getInsertions(),
patchList.getDeletions());
}
}
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