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// Copyright (C) 2021 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.query.approval;
import static com.google.common.base.Preconditions.checkState;
import com.google.auto.value.AutoValue;
import com.google.gerrit.entities.PatchSet;
import com.google.gerrit.entities.PatchSetApproval;
import com.google.gerrit.extensions.client.ChangeKind;
import com.google.gerrit.server.notedb.ChangeNotes;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.revwalk.RevWalk;
/** Entity representing all required information to match predicates for copying approvals. */
@AutoValue
public abstract class ApprovalContext {
/** Approval on the source patch set to be copied. */
public abstract PatchSetApproval patchSetApproval();
/**
* Target change and patch set for the approval. This must be used instead of getting the PatchSet
* from {@link #changeNotes()} because it is possible we are now creating the patch-set, so it
* doesn't exist in changeNotes yet.
*/
public abstract PatchSet target();
/** {@link ChangeNotes} of the change in question. */
public abstract ChangeNotes changeNotes();
/** {@link ChangeKind} of the delta between the origin and target patch set. */
public abstract ChangeKind changeKind();
/** Whether the new patch set is a merge commit. */
public abstract boolean isMerge();
/** {@link RevWalk} of the repository for the current commit. */
public abstract RevWalk revWalk();
/** {@link RevWalk} of the repository for the current commit. */
public abstract Config repoConfig();
public static ApprovalContext create(
ChangeNotes changeNotes,
PatchSetApproval psa,
PatchSet patchSet,
ChangeKind changeKind,
boolean isMerge,
RevWalk revWalk,
Config repoConfig) {
checkState(
psa.patchSetId().changeId().equals(patchSet.id().changeId()),
"approval and target must be the same change. got: %s, %s",
psa.patchSetId(),
patchSet.id());
// TODO(ekempin): Use checkState to verify that psa.patchSetId().get() + 1 == id.get() so that
// it's ensured that approvals are only copied to the next consecutive patch set. To add back
// this verification https://gerrit-review.googlesource.com/c/gerrit/+/312633 can be reverted.
// As explained in the commit message of this change doing this check is only possible if there
// are no changes with gaps in patch set numbers. Since it's planned to fix-up old changes with
// gaps in patch set numbers, this todo is a reminder to add back the check once this is done.
return new AutoValue_ApprovalContext(
psa, patchSet, changeNotes, changeKind, isMerge, revWalk, repoConfig);
}
}
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