opendev/gerrit
Code Issues Proposed changes

SubmittedTogether: Reuse ChangeData instances

Browse Source 
Teach ChangeJson to format a list of ChangeDatas so we don't have to
go ChangeData -> Change.Id -> ChangeData and can reuse some stored
fields in the index.

Change-Id: I34eb564fe730baa71eeec64c36a593fb493186d8
This commit is contained in:
Dave Borowitz
2015-10-12 13:10:09 -04:00
parent 96491a14a0
commit 8fb3de1b45
2 changed files with 41 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
gerrit-server/src/main/java/com/google/gerrit/server/change/ChangeJson.java
View File

@@ -279,23 +279,13 @@ public class ChangeJson {
public List<List<ChangeInfo>> formatQueryResults(List<QueryResult> in)
throws OrmException {
accountLoader = accountLoaderFactory.create(has(DETAILED_ACCOUNTS));
Iterable<ChangeData> all = FluentIterable.from(in)
ensureLoaded(FluentIterable.from(in)
.transformAndConcat(new Function<QueryResult, List<ChangeData>>() {
@Override
public List<ChangeData> apply(QueryResult in) {
return in.changes();
}
});
ChangeData.ensureChangeLoaded(all);
if (has(ALL_REVISIONS)) {
ChangeData.ensureAllPatchSetsLoaded(all);
} else if (has(CURRENT_REVISION) || has(MESSAGES)) {
ChangeData.ensureCurrentPatchSetLoaded(all);
}
if (has(REVIEWED) && userProvider.get().isIdentifiedUser()) {
ChangeData.ensureReviewedByLoadedForOpenChanges(all);
}
ChangeData.ensureCurrentApprovalsLoaded(all);
}));
List<List<ChangeInfo>> res = Lists.newArrayListWithCapacity(in.size());
Map<Change.Id, ChangeInfo> out = Maps.newHashMap();
@@ -310,6 +300,31 @@ public class ChangeJson {
return res;
}
public List<ChangeInfo> formatChangeDatas(Collection<ChangeData> in)
throws OrmException {
accountLoader = accountLoaderFactory.create(has(DETAILED_ACCOUNTS));
ensureLoaded(in);
List<ChangeInfo> out = new ArrayList<>(in.size());
for (ChangeData cd : in) {
out.add(format(cd));
}
accountLoader.fill();
return out;
}
private void ensureLoaded(Iterable<ChangeData> all) throws OrmException {
ChangeData.ensureChangeLoaded(all);
if (has(ALL_REVISIONS)) {
ChangeData.ensureAllPatchSetsLoaded(all);
} else if (has(CURRENT_REVISION) || has(MESSAGES)) {
ChangeData.ensureCurrentPatchSetLoaded(all);
}
if (has(REVIEWED) && userProvider.get().isIdentifiedUser()) {
ChangeData.ensureReviewedByLoadedForOpenChanges(all);
}
ChangeData.ensureCurrentApprovalsLoaded(all);
}
private boolean has(ListChangesOption option) {
return options.contains(option);
}

28
gerrit-server/src/main/java/com/google/gerrit/server/change/SubmittedTogether.java
View File

@@ -72,34 +72,34 @@ public class SubmittedTogether implements RestReadView<ChangeResource> {
ResourceConflictException, Exception {
try {
Change c = resource.getChange();
List<Change.Id> ids;
List<ChangeData> cds;
if (c.getStatus().isOpen()) {
ids = getForOpenChange(c);
cds = getForOpenChange(c);
} else if (c.getStatus().asChangeStatus() == ChangeStatus.MERGED) {
ids = getForMergedChange(c);
cds = getForMergedChange(c);
} else {
ids = getForAbandonedChange();
cds = getForAbandonedChange();
}
if (ids.size() <= 1) {
ids = Collections.emptyList();
if (cds.size() <= 1) {
cds = Collections.emptyList();
}
return json.create(EnumSet.of(
ListChangesOption.CURRENT_REVISION,
ListChangesOption.CURRENT_COMMIT))
.format(ids);
.formatChangeDatas(cds);
} catch (OrmException | IOException e) {
log.error("Error on getting a ChangeSet", e);
throw e;
}
}
private List<Change.Id> getForOpenChange(Change c)
private List<ChangeData> getForOpenChange(Change c)
throws OrmException, IOException {
ChangeSet cs = mergeSuperSet.completeChangeSet(dbProvider.get(), c);
return cs.ids().asList();
return cs.changes().asList();
}
private List<Change.Id> getForMergedChange(Change c)
private List<ChangeData> getForMergedChange(Change c)
throws OrmException, IOException {
String subId = c.getSubmissionId();
List<ChangeData> cds = queryProvider.get().bySubmissionId(subId);
@@ -109,14 +109,14 @@ public class SubmittedTogether implements RestReadView<ChangeResource> {
return Collections.emptyList();
}
List<Change.Id> ids = new ArrayList<>(cds.size());
List<ChangeData> sorted = new ArrayList<>(cds.size());
for (PatchSetData psd : sorter.get().sort(cds)) {
ids.add(psd.data().getId());
sorted.add(psd.data());
}
return ids;
return sorted;
}
private List<Change.Id> getForAbandonedChange() {
private List<ChangeData> getForAbandonedChange() {
return Collections.emptyList();
}
}