Examples of com.google.gerrit.reviewdb.client.Change

Package com.google.gerrit.reviewdb.client

Examples of com.google.gerrit.reviewdb.client.Change

com.google.gerrit.reviewdb.client.Change
A change proposed to be merged into a {@link Branch}.
The data graph rooted below a Change can be quite complex:
```
 {@link Change}| +-  {@link ChangeMessage}: "cover letter" or general comment. | +-  {@link PatchSet}: a single variant of this change. | +-  {@link PatchSetApproval}: a +/- vote on the change's current state. | +-  {@link PatchSetAncestor}: parents of this change's commit. | +-  {@link PatchLineComment}: comment about a specific line 
```
PatchSets

Every change has at least one PatchSet. A change starts out with one PatchSet, the initial proposal put forth by the change owner. This {@link Account} is usually also listed as the author and committer in thePatchSetInfo.
The {@link PatchSetAncestor} entities are a mirror of the Git commitmetadata, providing access to the information without needing direct accessing Git. These entities are actually legacy artifacts from Gerrit 1.x and could be removed, replaced by direct RevCommit access.
Each PatchSet contains zero or more Patch records, detailing the file paths impacted by the change (otherwise known as, the file paths the author added/deleted/modified). Sometimes a merge commit can contain zero patches, if the merge has no conflicts, or has no impact other than to cut off a line of development.
Each PatchLineComment is a draft or a published comment about a single line of the associated file. These are the inline comment entities created by users as they perform a review.
When additional PatchSets appear under a change, these PatchSets reference replacement commits; alternative commits that could be made to the project instead of the original commit referenced by the first PatchSet.
A change has at most one current PatchSet. The current PatchSet is updated when a new replacement PatchSet is uploaded. When a change is submitted, the current patch set is what is merged into the destination branch.

ChangeMessage

The ChangeMessage entity is a general free-form comment about the whole change, rather than PatchLineComment's file and line specific context. The ChangeMessage appears at the start of any email generated by Gerrit, and is shown on the change overview page, rather than in a file-specific context. Users often use this entity to describe general remarks about the overall concept proposed by the change.

PatchSetApproval

PatchSetApproval entities exist to fill in the cells of the approvals table in the web UI. That is, a single PatchSetApproval record's key is the tuple {@code (PatchSet,Account,ApprovalCategory)}. Each PatchSetApproval carries with it a small score value, typically within the range -2..+2.
If an Account has created only PatchSetApprovals with a score value of 0, the Change shows in their dashboard, and they are said to be CC'd (carbon copied) on the Change, but are not a direct reviewer. This often happens when an account was specified at upload time with the {@code --cc} command line flag,or have published comments, but left the approval scores at 0 ("No Score").
If an Account has one or more PatchSetApprovals with a score != 0, the Change shows in their dashboard, and they are said to be an active reviewer. Such individuals are highlighted when notice of a replacement patch set is sent, or when notice of the change submission occurs.

    }
    return a;
  }


  private Map<String, LabelInfo> labelsFor(ChangeData cd) throws OrmException {
    Change in = cd.change(db);
    ChangeControl ctl = cd.changeControl();
    if (ctl == null || ctl.getCurrentUser() != user) {
      try {
        ctl = changeControlFactory.controlFor(in);
      } catch (NoSuchChangeException e) {

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        aicFactory.want(aid);
        for (final Change.Id id : cids) {
          try {
            final ChangeControl cc = changeControlFactory.validateFor(id);
            final Change change = cc.getChange();
            final PatchSet.Id ps_id = change.currentPatchSetId();
            final Map<ApprovalCategory.Id, PatchSetApproval> psas =
                new HashMap<ApprovalCategory.Id, PatchSetApproval>();
            final FunctionState fs =
                functionStateFactory.create(cc, ps_id, psas.values());


            for (final PatchSetApproval ca : db.patchSetApprovals()
                .byPatchSetUser(ps_id, aid)) {
              final ApprovalCategory.Id category = ca.getCategoryId();
              if (ApprovalCategory.SUBMIT.equals(category)) {
                continue;
              }
              if (change.getStatus().isOpen()) {
                fs.normalize(approvalTypes.byId(category), ca);
              }
              if (ca.getValue() == 0) {
                continue;
              }

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            accountInfoCacheFactory.create();


        for (final Change.Id id : cids) {
          try {
            final ChangeControl cc = changeControlFactory.validateFor(id);
            final Change change = cc.getChange();
            final PatchSet.Id ps_id = change.currentPatchSetId();
            final Map<ApprovalCategory.Id, PatchSetApproval> psas =
                new HashMap<ApprovalCategory.Id, PatchSetApproval>();
            final FunctionState fs =
                functionStateFactory.create(cc, ps_id, psas.values());


            for (PatchSetApproval ca : db.patchSetApprovals().byPatchSet(ps_id)) {
              final ApprovalCategory.Id category = ca.getCategoryId();
              if (ApprovalCategory.SUBMIT.equals(category)) {
                continue;
              }
              if (change.getStatus().isOpen()) {
                fs.normalize(approvalTypes.byId(category), ca);
              }
              if (ca.getValue() == 0) {
                continue;
              }

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      db = d;
    }


    public ChangeControl controlFor(final Change.Id id)
        throws NoSuchChangeException {
      final Change change;
      try {
        change = db.get().changes().get(id);
        if (change == null) {
          throw new NoSuchChangeException(id);
        }

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      log.error("Cannot parse " + cmd.getNewId().name() + " as commit", e);
      reject(cmd, "invalid commit");
      return;
    }


    final Change changeEnt;
    try {
      changeEnt = db.changes().get(changeId);
    } catch (OrmException e) {
      log.error("Cannot lookup existing change " + changeId, e);
      reject(cmd, "database error");
      return;
    }
    if (changeEnt == null) {
      reject(cmd, "change " + changeId + " not found");
      return;
    }
    if (!project.getNameKey().equals(changeEnt.getProject())) {
      reject(cmd, "change " + changeId + " does not belong to project " + project.getName());
      return;
    }


    requestReplace(cmd, true, changeEnt, newCommit);

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    }
    reviewers.remove(me);
    cc.remove(me);
    cc.removeAll(reviewers);


    final Change change;
    final PatchSet ps;
    final PatchSetInfo info;


    change = new Change(changeKey, new Change.Id(db.nextChangeId()), me, destBranch);
    change.setTopic(destTopicName);
    change.nextPatchSetId();


    db.changes().beginTransaction(change.getId());
    try {
      ps = new PatchSet(change.currPatchSetId());
      ps.setCreatedOn(change.getCreatedOn());
      ps.setUploader(me);
      ps.setRevision(toRevId(c));
      if (MagicBranch.isDraft(newChange.getRefName())) {
        change.setStatus(Change.Status.DRAFT);
        ps.setDraft(true);
      }
      insertAncestors(ps.getId(), c);
      db.patchSets().insert(Collections.singleton(ps));


      info = patchSetInfoFactory.get(c, ps.getId());
      change.setCurrentPatchSet(info);
      ChangeUtil.updated(change);
      db.changes().insert(Collections.singleton(change));
      ChangeUtil.updateTrackingIds(db, change, trackingFooters, footerLines);
      approvalsUtil.addReviewers(change, ps, info, reviewers);
      db.commit();
    } finally {
      db.rollback();
    }


    final RefUpdate ru = repo.updateRef(ps.getRefName());
    ru.setNewObjectId(c);
    ru.disableRefLog();
    if (ru.update(walk) != RefUpdate.Result.NEW) {
      throw new IOException("Failed to create ref " + ps.getRefName() + " in "
          + repo.getDirectory() + ": " + ru.getResult());
    }
    replication.fire(project.getNameKey(), ru.getName());


    allNewChanges.add(change);


    workQueue.getDefaultQueue()
        .submit(requestScopePropagator.wrap(new Runnable() {
      @Override
      public void run() {
        try {
          final CreateChangeSender cm;
          cm = createChangeSenderFactory.create(change);
          cm.setFrom(me);
          cm.setPatchSet(ps, info);
          cm.addReviewers(reviewers);
          cm.addExtraCC(cc);
          cm.send();
        } catch (Exception e) {
          log.error("Cannot send email for new change " + change.getId(), e);
        }
      }


      @Override
      public String toString() {

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    final ReplaceResult result = new ReplaceResult();
    final Set<Account.Id> oldReviewers = new HashSet<Account.Id>();
    final Set<Account.Id> oldCC = new HashSet<Account.Id>();


    Change change = db.changes().get(request.ontoChange);
    if (change == null) {
      reject(request.cmd, "change " + request.ontoChange + " not found");
      return null;
    }
    if (change.getStatus().isClosed()) {
      reject(request.cmd, "change " + request.ontoChange + " closed");
      return null;
    }


    final ChangeControl changeCtl = projectControl.controlFor(change);
    if (!changeCtl.canAddPatchSet()) {
      reject(request.cmd, "cannot replace " + request.ontoChange);
      return null;
    }
    if (!validCommit(changeCtl.getRefControl(), request.cmd, c)) {
      return null;
    }


    final PatchSet.Id priorPatchSet = change.currentPatchSetId();
    for (final PatchSet ps : db.patchSets().byChange(request.ontoChange)) {
      if (ps.getRevision() == null) {
        log.warn("Patch set " + ps.getId() + " has no revision");
        reject(request.cmd, "change state corrupt");
        return null;
      }


      final String revIdStr = ps.getRevision().get();
      final ObjectId commitId;
      try {
        commitId = ObjectId.fromString(revIdStr);
      } catch (IllegalArgumentException e) {
        log.warn("Invalid revision in " + ps.getId() + ": " + revIdStr);
        reject(request.cmd, "change state corrupt");
        return null;
      }


      try {
        final RevCommit prior = rp.getRevWalk().parseCommit(commitId);


        // Don't allow a change to directly depend upon itself. This is a
        // very common error due to users making a new commit rather than
        // amending when trying to address review comments.
        //
        if (rp.getRevWalk().isMergedInto(prior, c)) {
          reject(request.cmd, "squash commits first");
          return null;
        }


        // Don't allow the same commit to appear twice on the same change
        //
        if (c == prior) {
          reject(request.cmd, "commit already exists");
          return null;
        }


        // Don't allow the same tree if the commit message is unmodified
        // or no parents were updated (rebase), else warn that only part
        // of the commit was modified.
        //
        if (priorPatchSet.equals(ps.getId()) && c.getTree() == prior.getTree()) {
          rp.getRevWalk().parseBody(prior);
          final boolean messageEq =
              eq(c.getFullMessage(), prior.getFullMessage());
          final boolean parentsEq = parentsEqual(c, prior);
          final boolean authorEq = authorEqual(c, prior);


          if (messageEq && parentsEq && authorEq && !ignoreNoChanges) {
            reject(request.cmd, "no changes made");
            return null;
          } else {
            ObjectReader reader = rp.getRevWalk().getObjectReader();
            StringBuilder msg = new StringBuilder();
            msg.append("(W) ");
            msg.append(reader.abbreviate(c).name());
            msg.append(":");
            msg.append(" no files changed");
            if (!authorEq) {
              msg.append(", author changed");
            }
            if (!messageEq) {
              msg.append(", message updated");
            }
            if (!parentsEq) {
              msg.append(", was rebased");
            }
            addMessage(msg.toString());
          }
        }
      } catch (IOException e) {
        log.error("Change " + change.getId() + " missing " + revIdStr, e);
        reject(request.cmd, "change state corrupt");
        return null;
      }
    }


    final PatchSet ps;
    final ChangeMessage msg;
    db.changes().beginTransaction(change.getId());
    try {
      change =
        db.changes().atomicUpdate(change.getId(), new AtomicUpdate<Change>() {
          @Override
          public Change update(Change change) {
            if (change.getStatus().isOpen()) {
              change.nextPatchSetId();
              change.setLastSha1MergeTested(null);
              return change;
            } else {
              return null;
            }
          }
        });
      if (change == null) {
        reject(request.cmd, "change is closed");
        return null;
      }


      ps = new PatchSet(change.currPatchSetId());
      ps.setCreatedOn(new Timestamp(System.currentTimeMillis()));
      ps.setUploader(currentUser.getAccountId());
      ps.setRevision(toRevId(c));
      if (MagicBranch.isDraft(request.cmd.getRefName())) {
        ps.setDraft(true);
      }
      insertAncestors(ps.getId(), c);
      db.patchSets().insert(Collections.singleton(ps));


      if (request.checkMergedInto) {
        final Ref mergedInto = findMergedInto(change.getDest().get(), c);
        result.mergedIntoRef = mergedInto != null ? mergedInto.getName() : null;
      }
      final PatchSetInfo info = patchSetInfoFactory.get(c, ps.getId());
      change.setCurrentPatchSet(info);
      result.change = change;
      result.patchSet = ps;
      result.info = info;


      List<PatchSetApproval> patchSetApprovals = approvalsUtil.copyVetosToLatestPatchSet(change);


      final Set<Account.Id> haveApprovals = new HashSet<Account.Id>();
      oldReviewers.clear();
      oldCC.clear();


      for (PatchSetApproval a : patchSetApprovals) {
        haveApprovals.add(a.getAccountId());
        if (a.getValue() != 0) {
          oldReviewers.add(a.getAccountId());
        } else {
          oldCC.add(a.getAccountId());
        }
      }


      approvalsUtil.addReviewers(change, ps, info, reviewers, haveApprovals);


      msg =
          new ChangeMessage(new ChangeMessage.Key(change.getId(), ChangeUtil
              .messageUUID(db)), me, ps.getCreatedOn(), ps.getId());
      msg.setMessage("Uploaded patch set " + ps.getPatchSetId() + ".");
      db.changeMessages().insert(Collections.singleton(msg));
      ChangeUtil.updateTrackingIds(db, change, trackingFooters, footerLines);
      result.msg = msg;


      if (result.mergedIntoRef == null) {
        // Change should be new, so it can go through review again.
        //
        change =
            db.changes().atomicUpdate(change.getId(), new AtomicUpdate<Change>() {
              @Override
              public Change update(Change change) {
                if (change.getStatus().isOpen()) {
                  if (destTopicName != null) {
                    change.setTopic(destTopicName);
                  }
                  if (change.getStatus() == Change.Status.DRAFT && ps.isDraft()) {
                    // Leave in draft status.
                  } else {
                    change.setStatus(Change.Status.NEW);
                  }
                  change.setCurrentPatchSet(result.info);
                  ChangeUtil.updated(change);
                  return change;
                } else {
                  return null;
                }

View Full Code Here


  public PatchSetInfo get(ReviewDb db, PatchSet.Id patchSetId)
      throws PatchSetInfoNotAvailableException {
    try {
      final PatchSet patchSet = db.patchSets().get(patchSetId);
      final Change change = db.changes().get(patchSet.getId().getParentKey());
      return get(change, patchSet);
    } catch (OrmException e) {
      throw new PatchSetInfoNotAvailableException(e);
    }
  }

View Full Code Here

    this.dbProvider = dbProvider;
  }


  @Override
  public boolean match(final ChangeData cd) throws OrmException {
    Change change = cd.change(dbProvider);
    if (change == null) {
      return false;
    }


    String key = change.getKey().get();
    if (key.equals(getValue()) || key.startsWith(getValue())) {
      return true;
    }
    return false;
  }

View Full Code Here


    if (objectId == null) {
      return false;
    }


    final Change change = object.change(db);


    if (change == null) {
      return false;
    }


    final Project.NameKey projectName = change.getProject();


    if (projectName == null) {
      return false;
    }

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Related Classes of com.google.gerrit.reviewdb.client.Change

com.google.gerrit.httpd.rpc.changedetail.ChangeDetailFactory

com.google.gerrit.httpd.rpc.patch.PatchDetailServiceImpl

com.google.gerrit.httpd.rpc.project.ReviewProjectAccess

com.google.gerrit.pgm.ScanTrackingIds$Worker

com.google.gerrit.server.changedetail.AbandonChange

com.google.gerrit.server.changedetail.DeleteDraftPatchSet

com.google.gerrit.server.changedetail.PublishDraft

com.google.gerrit.server.changedetail.RestoreChange

com.google.gerrit.server.changedetail.Submit

com.google.gerrit.server.ChangeUtil

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Examples of com.google.gerrit.reviewdb.client.Change

PatchSets

ChangeMessage

PatchSetApproval

Related Classes of com.google.gerrit.reviewdb.client.Change