Merge "Change the structure of Submission Id"
diff --git a/Documentation/rest-api-changes.txt b/Documentation/rest-api-changes.txt
index 0fc733a..67ae65c 100644
--- a/Documentation/rest-api-changes.txt
+++ b/Documentation/rest-api-changes.txt
@@ -6017,6 +6017,10 @@
 The numeric Change-Id of the change that this change reverts.
 |`submission_id`      |optional|
 ID of the submission of this change. Only set if the status is `MERGED`.
+This ID is equal to the numeric ID of the change that triggered the submission.
+If the change that triggered the submission also has a topic, it will be
+"<id>-<topic>" of the change that triggered the submission.
+The callers must not rely on the format of the submission ID.
 |==================================
 
 [[change-input]]
diff --git a/java/com/google/gerrit/entities/SubmissionId.java b/java/com/google/gerrit/entities/SubmissionId.java
new file mode 100644
index 0000000..eb03a5a
--- /dev/null
+++ b/java/com/google/gerrit/entities/SubmissionId.java
@@ -0,0 +1,34 @@
+// Copyright (C) 2019 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.entities;
+
+import org.eclipse.jgit.annotations.Nullable;
+
+public class SubmissionId {
+  private final String submissionId;
+
+  public SubmissionId(Change.Id changeId, @Nullable String topic) {
+    submissionId = topic != null ? String.format("%s-%s", changeId, topic) : changeId.toString();
+  }
+
+  public SubmissionId(Change change) {
+    this(change.getId(), change.getTopic());
+  }
+
+  @Override
+  public String toString() {
+    return submissionId;
+  }
+}
diff --git a/java/com/google/gerrit/server/change/ChangeInserter.java b/java/com/google/gerrit/server/change/ChangeInserter.java
index 4263373..d1c27d5 100644
--- a/java/com/google/gerrit/server/change/ChangeInserter.java
+++ b/java/com/google/gerrit/server/change/ChangeInserter.java
@@ -37,6 +37,7 @@
 import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.entities.PatchSetApproval;
 import com.google.gerrit.entities.PatchSetInfo;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
 import com.google.gerrit.extensions.client.ReviewerState;
 import com.google.gerrit.extensions.restapi.ResourceConflictException;
@@ -55,7 +56,6 @@
 import com.google.gerrit.server.git.GroupCollector;
 import com.google.gerrit.server.git.validators.CommitValidationException;
 import com.google.gerrit.server.git.validators.CommitValidators;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.mail.send.CreateChangeSender;
 import com.google.gerrit.server.notedb.ChangeUpdate;
 import com.google.gerrit.server.patch.PatchSetInfoFactory;
@@ -396,7 +396,7 @@
      * instead of setting the status directly?
      */
     if (change.getStatus() == Change.Status.MERGED) {
-      update.fixStatusToMerged(new RequestId(ctx.getChange().getId().toString()));
+      update.fixStatusToMerged(new SubmissionId(change));
     } else {
       update.setStatus(change.getStatus());
     }
diff --git a/java/com/google/gerrit/server/change/ConsistencyChecker.java b/java/com/google/gerrit/server/change/ConsistencyChecker.java
index 19db5ee..513f5ca 100644
--- a/java/com/google/gerrit/server/change/ConsistencyChecker.java
+++ b/java/com/google/gerrit/server/change/ConsistencyChecker.java
@@ -33,6 +33,7 @@
 import com.google.gerrit.entities.Change;
 import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.entities.Project;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.exceptions.StorageException;
 import com.google.gerrit.extensions.api.changes.FixInput;
 import com.google.gerrit.extensions.common.ProblemInfo;
@@ -44,7 +45,6 @@
 import com.google.gerrit.server.PatchSetUtil;
 import com.google.gerrit.server.account.Accounts;
 import com.google.gerrit.server.git.GitRepositoryManager;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.notedb.PatchSetState;
 import com.google.gerrit.server.patch.PatchSetInfoFactory;
@@ -578,7 +578,7 @@
     public boolean updateChange(ChangeContext ctx) {
       ctx.getChange().setStatus(Change.Status.MERGED);
       ctx.getUpdate(ctx.getChange().currentPatchSetId())
-          .fixStatusToMerged(new RequestId(ctx.getChange().getId().toString()));
+          .fixStatusToMerged(new SubmissionId(ctx.getChange()));
       p.status = Status.FIXED;
       p.outcome = "Marked change as merged";
       return true;
diff --git a/java/com/google/gerrit/server/git/MergedByPushOp.java b/java/com/google/gerrit/server/git/MergedByPushOp.java
index 9aebebf..01d5380 100644
--- a/java/com/google/gerrit/server/git/MergedByPushOp.java
+++ b/java/com/google/gerrit/server/git/MergedByPushOp.java
@@ -22,11 +22,11 @@
 import com.google.gerrit.entities.LabelId;
 import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.entities.PatchSetInfo;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.server.ChangeMessagesUtil;
 import com.google.gerrit.server.PatchSetUtil;
 import com.google.gerrit.server.config.SendEmailExecutor;
 import com.google.gerrit.server.extensions.events.ChangeMerged;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.mail.send.MergedSender;
 import com.google.gerrit.server.notedb.ChangeUpdate;
 import com.google.gerrit.server.patch.PatchSetInfoFactory;
@@ -52,7 +52,7 @@
     MergedByPushOp create(
         RequestScopePropagator requestScopePropagator,
         PatchSet.Id psId,
-        @Assisted RequestId submissionId,
+        @Assisted SubmissionId submissionId,
         @Assisted("refName") String refName,
         @Assisted("mergeResultRevId") String mergeResultRevId);
   }
@@ -66,7 +66,7 @@
   private final ChangeMerged changeMerged;
 
   private final PatchSet.Id psId;
-  private final RequestId submissionId;
+  private final SubmissionId submissionId;
   private final String refName;
   private final String mergeResultRevId;
 
@@ -86,7 +86,7 @@
       ChangeMerged changeMerged,
       @Assisted RequestScopePropagator requestScopePropagator,
       @Assisted PatchSet.Id psId,
-      @Assisted RequestId submissionId,
+      @Assisted SubmissionId submissionId,
       @Assisted("refName") String refName,
       @Assisted("mergeResultRevId") String mergeResultRevId) {
     this.patchSetInfoFactory = patchSetInfoFactory;
@@ -137,7 +137,7 @@
     }
     change.setCurrentPatchSet(info);
     change.setStatus(Change.Status.MERGED);
-    change.setSubmissionId(submissionId.toStringForStorage());
+    change.setSubmissionId(submissionId.toString());
     // we cannot reconstruct the submit records for when this change was
     // submitted, this is why we must fix the status and other details.
     update.fixStatusToMerged(submissionId);
diff --git a/java/com/google/gerrit/server/git/receive/ReceiveCommits.java b/java/com/google/gerrit/server/git/receive/ReceiveCommits.java
index cec9e4e..5155925 100644
--- a/java/com/google/gerrit/server/git/receive/ReceiveCommits.java
+++ b/java/com/google/gerrit/server/git/receive/ReceiveCommits.java
@@ -74,6 +74,7 @@
 import com.google.gerrit.entities.PatchSetInfo;
 import com.google.gerrit.entities.Project;
 import com.google.gerrit.entities.RefNames;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.exceptions.StorageException;
 import com.google.gerrit.extensions.api.changes.HashtagsInput;
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
@@ -3023,7 +3024,8 @@
                     info,
                     groups,
                     magicBranch,
-                    receivePack.getPushCertificate())
+                    receivePack.getPushCertificate(),
+                    notes.getChange())
                 .setRequestScopePropagator(requestScopePropagator);
         bu.addOp(notes.getChangeId(), replaceOp);
         if (progress != null) {
@@ -3281,7 +3283,7 @@
 
                 int existingPatchSets = 0;
                 int newPatchSets = 0;
-                RequestId submissionId = null;
+                SubmissionId submissionId = null;
                 COMMIT:
                 for (RevCommit c; (c = rw.next()) != null; ) {
                   rw.parseBody(c);
@@ -3290,10 +3292,10 @@
                       receivePackRefCache.tipsFromObjectId(c.copy(), RefNames.REFS_CHANGES)) {
                     PatchSet.Id psId = PatchSet.Id.fromRef(ref.getName());
                     Optional<ChangeNotes> notes = getChangeNotes(psId.changeId());
-                    if (submissionId == null) {
-                      submissionId = new RequestId(psId.changeId().toString());
-                    }
                     if (notes.isPresent() && notes.get().getChange().getDest().equals(branch)) {
+                      if (submissionId == null) {
+                        submissionId = new SubmissionId(notes.get().getChange());
+                      }
                       existingPatchSets++;
                       bu.addOp(notes.get().getChangeId(), setPrivateOpFactory.create(false, null));
                       bu.addOp(
@@ -3333,7 +3335,7 @@
                     continue;
                   }
                   if (submissionId == null) {
-                    submissionId = new RequestId(id.toString());
+                    submissionId = new SubmissionId(req.notes.getChange());
                   }
                   req.addOps(bu, null);
                   bu.addOp(id, setPrivateOpFactory.create(false, null));
diff --git a/java/com/google/gerrit/server/git/receive/ReplaceOp.java b/java/com/google/gerrit/server/git/receive/ReplaceOp.java
index 6c0d5d3..24154d60 100644
--- a/java/com/google/gerrit/server/git/receive/ReplaceOp.java
+++ b/java/com/google/gerrit/server/git/receive/ReplaceOp.java
@@ -36,6 +36,7 @@
 import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.entities.PatchSetApproval;
 import com.google.gerrit.entities.PatchSetInfo;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.extensions.api.changes.AddReviewerInput;
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
 import com.google.gerrit.extensions.client.ChangeKind;
@@ -61,7 +62,6 @@
 import com.google.gerrit.server.extensions.events.RevisionCreated;
 import com.google.gerrit.server.git.MergedByPushOp;
 import com.google.gerrit.server.git.receive.ReceiveCommits.MagicBranchInput;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.mail.MailUtil.MailRecipients;
 import com.google.gerrit.server.mail.send.ReplacePatchSetSender;
 import com.google.gerrit.server.notedb.ChangeNotes;
@@ -110,7 +110,8 @@
         PatchSetInfo info,
         List<String> groups,
         @Nullable MagicBranchInput magicBranch,
-        @Nullable PushCertificate pushCertificate);
+        @Nullable PushCertificate pushCertificate,
+        Change change);
   }
 
   private static final String CHANGE_IS_CLOSED = "change is closed";
@@ -143,6 +144,7 @@
   private final PatchSetInfo info;
   private final MagicBranchInput magicBranch;
   private final PushCertificate pushCertificate;
+  private final Change change;
   private List<String> groups;
 
   private final Map<String, Short> approvals = new HashMap<>();
@@ -177,6 +179,7 @@
       ProjectCache projectCache,
       @SendEmailExecutor ExecutorService sendEmailExecutor,
       ReviewerAdder reviewerAdder,
+      Change change,
       @Assisted ProjectState projectState,
       @Assisted BranchNameKey dest,
       @Assisted boolean checkMergedInto,
@@ -218,6 +221,7 @@
     this.groups = groups;
     this.magicBranch = magicBranch;
     this.pushCertificate = pushCertificate;
+    this.change = change;
   }
 
   @Override
@@ -239,7 +243,7 @@
             mergedByPushOpFactory.create(
                 requestScopePropagator,
                 patchSetId,
-                new RequestId(patchSetId.changeId().toString()),
+                new SubmissionId(change),
                 mergedInto,
                 mergeResultRevId);
       }
diff --git a/java/com/google/gerrit/server/notedb/ChangeUpdate.java b/java/com/google/gerrit/server/notedb/ChangeUpdate.java
index 02a4dcc..6a900c0 100644
--- a/java/com/google/gerrit/server/notedb/ChangeUpdate.java
+++ b/java/com/google/gerrit/server/notedb/ChangeUpdate.java
@@ -55,11 +55,11 @@
 import com.google.gerrit.entities.Comment;
 import com.google.gerrit.entities.Project;
 import com.google.gerrit.entities.RobotComment;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.exceptions.StorageException;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.GerritPersonIdent;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.util.LabelVote;
 import com.google.inject.assistedinject.Assisted;
@@ -220,10 +220,10 @@
     this.status = status;
   }
 
-  public void fixStatusToMerged(RequestId submissionId) {
+  public void fixStatusToMerged(SubmissionId submissionId) {
     checkArgument(submissionId != null, "submission id must be set for merged changes");
     this.status = Change.Status.MERGED;
-    this.submissionId = submissionId.toStringForStorage();
+    this.submissionId = submissionId.toString();
   }
 
   public void putApproval(String label, short value) {
@@ -242,9 +242,9 @@
     approvals.put(label, reviewer, Optional.empty());
   }
 
-  public void merge(RequestId submissionId, Iterable<SubmitRecord> submitRecords) {
+  public void merge(SubmissionId submissionId, Iterable<SubmitRecord> submitRecords) {
     this.status = Change.Status.MERGED;
-    this.submissionId = submissionId.toStringForStorage();
+    this.submissionId = submissionId.toString();
     this.submitRecords = ImmutableList.copyOf(submitRecords);
     checkArgument(!this.submitRecords.isEmpty(), "no submit records specified at submit time");
   }
diff --git a/java/com/google/gerrit/server/submit/MergeOp.java b/java/com/google/gerrit/server/submit/MergeOp.java
index 75ae62d..8bdd98e 100644
--- a/java/com/google/gerrit/server/submit/MergeOp.java
+++ b/java/com/google/gerrit/server/submit/MergeOp.java
@@ -41,6 +41,7 @@
 import com.google.gerrit.entities.ChangeMessage;
 import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.entities.Project;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.exceptions.StorageException;
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
 import com.google.gerrit.extensions.api.changes.SubmitInput;
@@ -237,7 +238,7 @@
   private final Map<Change.Id, Change> updatedChanges;
 
   private Timestamp ts;
-  private RequestId submissionId;
+  private SubmissionId submissionId;
   private IdentifiedUser caller;
 
   private MergeOpRepoManager orm;
@@ -449,7 +450,7 @@
     this.dryrun = dryrun;
     this.caller = caller;
     this.ts = TimeUtil.nowTs();
-    this.submissionId = new RequestId(change.getId().toString());
+    this.submissionId = new SubmissionId(change);
 
     try (TraceContext traceContext =
         TraceContext.open().addTag(RequestId.Type.SUBMISSION_ID, submissionId)) {
diff --git a/java/com/google/gerrit/server/submit/SubmitStrategy.java b/java/com/google/gerrit/server/submit/SubmitStrategy.java
index 4c68e1b..efb2f76 100644
--- a/java/com/google/gerrit/server/submit/SubmitStrategy.java
+++ b/java/com/google/gerrit/server/submit/SubmitStrategy.java
@@ -21,6 +21,7 @@
 import com.google.common.collect.Sets;
 import com.google.gerrit.entities.BranchNameKey;
 import com.google.gerrit.entities.Change;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.extensions.api.changes.SubmitInput;
 import com.google.gerrit.extensions.client.SubmitType;
 import com.google.gerrit.extensions.config.FactoryModule;
@@ -42,7 +43,6 @@
 import com.google.gerrit.server.git.MergeUtil;
 import com.google.gerrit.server.git.TagCache;
 import com.google.gerrit.server.git.validators.OnSubmitValidators;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.patch.PatchSetInfoFactory;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.project.ProjectConfig;
@@ -94,7 +94,7 @@
           RevFlag canMergeFlag,
           Set<RevCommit> alreadyAccepted,
           Set<CodeReviewCommit> incoming,
-          RequestId submissionId,
+          SubmissionId submissionId,
           SubmitInput submitInput,
           SubmoduleOp submoduleOp,
           boolean dryrun);
@@ -125,7 +125,7 @@
     final MergeTip mergeTip;
     final RevFlag canMergeFlag;
     final Set<RevCommit> alreadyAccepted;
-    final RequestId submissionId;
+    final SubmissionId submissionId;
     final SubmitType submitType;
     final SubmitInput submitInput;
     final SubmoduleOp submoduleOp;
@@ -164,7 +164,7 @@
         @Assisted RevFlag canMergeFlag,
         @Assisted Set<RevCommit> alreadyAccepted,
         @Assisted Set<CodeReviewCommit> incoming,
-        @Assisted RequestId submissionId,
+        @Assisted SubmissionId submissionId,
         @Assisted SubmitType submitType,
         @Assisted SubmitInput submitInput,
         @Assisted SubmoduleOp submoduleOp,
diff --git a/java/com/google/gerrit/server/submit/SubmitStrategyFactory.java b/java/com/google/gerrit/server/submit/SubmitStrategyFactory.java
index cba572bc..a015665 100644
--- a/java/com/google/gerrit/server/submit/SubmitStrategyFactory.java
+++ b/java/com/google/gerrit/server/submit/SubmitStrategyFactory.java
@@ -16,13 +16,13 @@
 
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.entities.BranchNameKey;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.extensions.api.changes.SubmitInput;
 import com.google.gerrit.extensions.client.SubmitType;
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.gerrit.server.git.CodeReviewCommit;
 import com.google.gerrit.server.git.CodeReviewCommit.CodeReviewRevWalk;
 import com.google.gerrit.server.git.MergeTip;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.submit.MergeOp.CommitStatus;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
@@ -52,7 +52,7 @@
       IdentifiedUser caller,
       MergeTip mergeTip,
       CommitStatus commitStatus,
-      RequestId submissionId,
+      SubmissionId submissionId,
       SubmitInput submitInput,
       SubmoduleOp submoduleOp,
       boolean dryrun)
diff --git a/java/com/google/gerrit/server/submit/SubmitStrategyOp.java b/java/com/google/gerrit/server/submit/SubmitStrategyOp.java
index b7bc58a..6be4a91 100644
--- a/java/com/google/gerrit/server/submit/SubmitStrategyOp.java
+++ b/java/com/google/gerrit/server/submit/SubmitStrategyOp.java
@@ -453,7 +453,7 @@
     Change c = ctx.getChange();
     logger.atFine().log("Setting change %s merged", c.getId());
     c.setStatus(Change.Status.MERGED);
-    c.setSubmissionId(args.submissionId.toStringForStorage());
+    c.setSubmissionId(args.submissionId.toString());
 
     // TODO(dborowitz): We need to be able to change the author of the message,
     // which is not the user from the update context. addMergedMessage was able
diff --git a/javatests/com/google/gerrit/acceptance/server/change/ConsistencyCheckerIT.java b/javatests/com/google/gerrit/acceptance/server/change/ConsistencyCheckerIT.java
index 08719d3..ee5f117 100644
--- a/javatests/com/google/gerrit/acceptance/server/change/ConsistencyCheckerIT.java
+++ b/javatests/com/google/gerrit/acceptance/server/change/ConsistencyCheckerIT.java
@@ -29,6 +29,7 @@
 import com.google.gerrit.entities.Change;
 import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.entities.RefNames;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.extensions.api.changes.FixInput;
 import com.google.gerrit.extensions.client.ChangeStatus;
 import com.google.gerrit.extensions.common.ChangeInfo;
@@ -39,7 +40,6 @@
 import com.google.gerrit.server.change.ConsistencyChecker;
 import com.google.gerrit.server.change.NotifyResolver;
 import com.google.gerrit.server.change.PatchSetInserter;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.notedb.ChangeNoteUtil;
 import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.notedb.Sequences;
@@ -315,7 +315,7 @@
             public boolean updateChange(ChangeContext ctx) {
               ctx.getChange().setStatus(Change.Status.MERGED);
               ctx.getUpdate(ctx.getChange().currentPatchSetId())
-                  .fixStatusToMerged(new RequestId(ctx.getChange().getId().toString()));
+                  .fixStatusToMerged(new SubmissionId(ctx.getChange()));
               return true;
             }
           });
@@ -865,7 +865,7 @@
             public boolean updateChange(ChangeContext ctx) {
               ctx.getChange().setStatus(Change.Status.MERGED);
               ctx.getUpdate(ctx.getChange().currentPatchSetId())
-                  .fixStatusToMerged(new RequestId(ctx.getChange().getId().toString()));
+                  .fixStatusToMerged(new SubmissionId(ctx.getChange()));
               return true;
             }
           });
diff --git a/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java b/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java
index 145e914..db0dec8 100644
--- a/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java
+++ b/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java
@@ -45,6 +45,7 @@
 import com.google.gerrit.entities.CommentRange;
 import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.entities.PatchSetApproval;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.exceptions.StorageException;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.server.AssigneeStatusUpdate;
@@ -52,7 +53,6 @@
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.gerrit.server.ReviewerSet;
 import com.google.gerrit.server.config.GerritServerId;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.notedb.ChangeNotesCommit.ChangeNotesRevWalk;
 import com.google.gerrit.server.util.time.TimeUtil;
 import com.google.gerrit.testing.TestChanges;
@@ -432,7 +432,7 @@
   @Test
   public void approvalsPostSubmit() throws Exception {
     Change c = newChange();
-    RequestId submissionId = submissionId(c);
+    SubmissionId submissionId = new SubmissionId(c);
     ChangeUpdate update = newUpdate(c, changeOwner);
     update.putApproval("Code-Review", (short) 1);
     update.putApproval("Verified", (short) 1);
@@ -467,7 +467,7 @@
   @Test
   public void approvalsDuringSubmit() throws Exception {
     Change c = newChange();
-    RequestId submissionId = submissionId(c);
+    SubmissionId submissionId = new SubmissionId(c);
     ChangeUpdate update = newUpdate(c, changeOwner);
     update.putApproval("Code-Review", (short) 1);
     update.putApproval("Verified", (short) 1);
@@ -604,7 +604,7 @@
   @Test
   public void submitRecords() throws Exception {
     Change c = newChange();
-    RequestId submissionId = submissionId(c);
+    SubmissionId submissionId = new SubmissionId(c);
     ChangeUpdate update = newUpdate(c, changeOwner);
     update.setSubjectForCommit("Submit patch set 1");
 
@@ -640,13 +640,13 @@
                 null,
                 submitLabel("Verified", "OK", changeOwner.getAccountId()),
                 submitLabel("Alternative-Code-Review", "NEED", null)));
-    assertThat(notes.getChange().getSubmissionId()).isEqualTo(submissionId.toStringForStorage());
+    assertThat(notes.getChange().getSubmissionId()).isEqualTo(submissionId.toString());
   }
 
   @Test
   public void latestSubmitRecordsOnly() throws Exception {
     Change c = newChange();
-    RequestId submissionId = submissionId(c);
+    SubmissionId submissionId = new SubmissionId(c);
     ChangeUpdate update = newUpdate(c, changeOwner);
     update.setSubjectForCommit("Submit patch set 1");
     update.merge(
@@ -669,7 +669,7 @@
     assertThat(notes.getSubmitRecords())
         .containsExactly(
             submitRecord("OK", null, submitLabel("Code-Review", "OK", changeOwner.getAccountId())));
-    assertThat(notes.getChange().getSubmissionId()).isEqualTo(submissionId.toStringForStorage());
+    assertThat(notes.getChange().getSubmissionId()).isEqualTo(submissionId.toString());
   }
 
   @Test
@@ -977,7 +977,7 @@
     // Finish off by merging the change.
     update = newUpdate(c, changeOwner);
     update.merge(
-        submissionId(c),
+        new SubmissionId(c),
         ImmutableList.of(
             submitRecord(
                 "NOT_READY",
@@ -3140,8 +3140,4 @@
     update.commit();
     return tr.parseBody(commit);
   }
-
-  private RequestId submissionId(Change c) {
-    return new RequestId(c.getId().toString());
-  }
 }
diff --git a/javatests/com/google/gerrit/server/notedb/CommitMessageOutputTest.java b/javatests/com/google/gerrit/server/notedb/CommitMessageOutputTest.java
index 97781a4..5e25c13 100644
--- a/javatests/com/google/gerrit/server/notedb/CommitMessageOutputTest.java
+++ b/javatests/com/google/gerrit/server/notedb/CommitMessageOutputTest.java
@@ -21,9 +21,9 @@
 import com.google.common.collect.ImmutableList;
 import com.google.gerrit.entities.Account;
 import com.google.gerrit.entities.Change;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.util.time.TimeUtil;
 import com.google.gerrit.testing.ConfigSuite;
 import com.google.gerrit.testing.TestChanges;
@@ -151,7 +151,7 @@
     ChangeUpdate update = newUpdate(c, changeOwner);
     update.setSubjectForCommit("Submit patch set 1");
 
-    RequestId submissionId = submissionId(c);
+    SubmissionId submissionId = new SubmissionId(c);
     update.merge(
         submissionId,
         ImmutableList.of(
@@ -174,7 +174,7 @@
             + "Patch-set: 1\n"
             + "Status: merged\n"
             + "Submission-id: "
-            + submissionId.toStringForStorage()
+            + submissionId.toString()
             + "\n"
             + "Submitted-with: NOT_READY\n"
             + "Submitted-with: OK: Verified: Gerrit User 1 <1@gerrit>\n"
@@ -223,7 +223,7 @@
     ChangeUpdate update = newUpdate(c, changeOwner);
     update.setSubjectForCommit("Submit patch set 1");
 
-    RequestId submissionId = submissionId(c);
+    SubmissionId submissionId = new SubmissionId(c);
     update.merge(
         submissionId, ImmutableList.of(submitRecord("RULE_ERROR", "Problem with patch set:\n1")));
     update.commit();
@@ -234,7 +234,7 @@
             + "Patch-set: 1\n"
             + "Status: merged\n"
             + "Submission-id: "
-            + submissionId.toStringForStorage()
+            + submissionId.toString()
             + "\n"
             + "Submitted-with: RULE_ERROR Problem with patch set: 1\n",
         update.getResult());
@@ -427,8 +427,4 @@
     RevCommit commit = parseCommit(commitId);
     assertThat(commit.getFullMessage()).isEqualTo(expected);
   }
-
-  private RequestId submissionId(Change c) {
-    return new RequestId(c.getId().toString());
-  }
 }
diff --git a/javatests/com/google/gerrit/server/update/BatchUpdateTest.java b/javatests/com/google/gerrit/server/update/BatchUpdateTest.java
index 5860c48..c7ca887 100644
--- a/javatests/com/google/gerrit/server/update/BatchUpdateTest.java
+++ b/javatests/com/google/gerrit/server/update/BatchUpdateTest.java
@@ -26,12 +26,12 @@
 import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.entities.Project;
 import com.google.gerrit.entities.RefNames;
+import com.google.gerrit.entities.SubmissionId;
 import com.google.gerrit.extensions.restapi.ResourceConflictException;
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.change.ChangeInserter;
 import com.google.gerrit.server.change.PatchSetInserter;
 import com.google.gerrit.server.git.GitRepositoryManager;
-import com.google.gerrit.server.logging.RequestId;
 import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.notedb.ChangeUpdate;
 import com.google.gerrit.server.notedb.Sequences;
@@ -332,7 +332,7 @@
       cr.label = "Code-Review";
       sr.labels = ImmutableList.of(cr);
       ChangeUpdate update = ctx.getUpdate(ctx.getChange().currentPatchSetId());
-      update.merge(new RequestId(), ImmutableList.of(sr));
+      update.merge(new SubmissionId(ctx.getChange()), ImmutableList.of(sr));
       update.setChangeMessage("Submitted");
       return true;
     }