opendev/gerrit
Code Issues Proposed changes

Ensure NotesMigration method calls aren't cached

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This will soon no longer be an immutable singleton read at startup, so
we shouldn't store the results of method calls in other singletons'
constructors.

Change-Id: I22ef7111586a84d71413876d451611bc8d93b6c6
This commit is contained in:
Dave Borowitz
2016-02-11 16:06:27 -05:00
parent 89b9bbc4d0
commit 8f5db32405
3 changed files with 11 additions and 17 deletions
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8
gerrit-server/src/main/java/com/google/gerrit/server/Sequences.java
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@@ -37,12 +37,8 @@ public class Sequences {
AllProjectsName allProjects) { AllProjectsName allProjects) {
this.db = db; this.db = db;
this.migration = migration; this.migration = migration;
if (migration.readChanges()) { changeSeq = new RepoSequence(
changeSeq = new RepoSequence( repoManager, allProjects, "changes", ReviewDb.FIRST_CHANGE_ID, 100);
repoManager, allProjects, "changes", ReviewDb.FIRST_CHANGE_ID, 100);
} else {
changeSeq = null;
}
} }
@SuppressWarnings("deprecation") @SuppressWarnings("deprecation")

14
gerrit-server/src/main/java/com/google/gerrit/server/git/LocalDiskRepositoryManager.java
View File

@@ -122,6 +122,7 @@ public class LocalDiskRepositoryManager implements GitRepositoryManager {
} }
private final Path basePath; private final Path basePath;
private final NotesMigration notesMigration;
private final Path noteDbPath; private final Path noteDbPath;
private final Lock namesUpdateLock; private final Lock namesUpdateLock;
private volatile SortedSet<Project.NameKey> names; private volatile SortedSet<Project.NameKey> names;
@@ -130,17 +131,14 @@ public class LocalDiskRepositoryManager implements GitRepositoryManager {
LocalDiskRepositoryManager(SitePaths site, LocalDiskRepositoryManager(SitePaths site,
@GerritServerConfig Config cfg, @GerritServerConfig Config cfg,
NotesMigration notesMigration) { NotesMigration notesMigration) {
this.notesMigration = notesMigration;
basePath = site.resolve(cfg.getString("gerrit", null, "basePath")); basePath = site.resolve(cfg.getString("gerrit", null, "basePath"));
if (basePath == null) { if (basePath == null) {
throw new IllegalStateException("gerrit.basePath must be configured"); throw new IllegalStateException("gerrit.basePath must be configured");
} }
if (notesMigration.enabled()) { noteDbPath = site.resolve(MoreObjects.firstNonNull(
noteDbPath = site.resolve(MoreObjects.firstNonNull( cfg.getString("gerrit", null, "noteDbPath"), "notedb"));
cfg.getString("gerrit", null, "noteDbPath"), "notedb"));
} else {
noteDbPath = null;
}
namesUpdateLock = new ReentrantLock(true /* fair */); namesUpdateLock = new ReentrantLock(true /* fair */);
names = list(); names = list();
} }
@@ -201,7 +199,7 @@ public class LocalDiskRepositoryManager implements GitRepositoryManager {
public Repository createRepository(Project.NameKey name) public Repository createRepository(Project.NameKey name)
throws RepositoryNotFoundException, RepositoryCaseMismatchException { throws RepositoryNotFoundException, RepositoryCaseMismatchException {
Repository repo = createRepository(basePath, name); Repository repo = createRepository(basePath, name);
if (noteDbPath != null && !noteDbPath.equals(basePath)) { if (notesMigration.writeChanges() && !noteDbPath.equals(basePath)) {
createRepository(noteDbPath, name); createRepository(noteDbPath, name);
} }
return repo; return repo;
@@ -266,7 +264,7 @@ public class LocalDiskRepositoryManager implements GitRepositoryManager {
@Override @Override
public Repository openMetadataRepository(Project.NameKey name) public Repository openMetadataRepository(Project.NameKey name)
throws RepositoryNotFoundException, IOException { throws RepositoryNotFoundException, IOException {
checkState(noteDbPath != null, "notedb disabled"); checkState(notesMigration.readChanges(), "notedb disabled");
try { try {
return openRepository(noteDbPath, name); return openRepository(noteDbPath, name);
} catch (RepositoryNotFoundException e) { } catch (RepositoryNotFoundException e) {

6
gerrit-server/src/main/java/com/google/gerrit/server/schema/NotesMigrationSchemaFactory.java
View File

@@ -24,20 +24,20 @@ import com.google.inject.Singleton;
@Singleton @Singleton
public class NotesMigrationSchemaFactory implements SchemaFactory<ReviewDb> { public class NotesMigrationSchemaFactory implements SchemaFactory<ReviewDb> {
private final SchemaFactory<ReviewDb> delegate; private final SchemaFactory<ReviewDb> delegate;
private final boolean disableChangesTables; private final NotesMigration migration;
@Inject @Inject
NotesMigrationSchemaFactory( NotesMigrationSchemaFactory(
@ReviewDbFactory SchemaFactory<ReviewDb> delegate, @ReviewDbFactory SchemaFactory<ReviewDb> delegate,
NotesMigration migration) { NotesMigration migration) {
this.delegate = delegate; this.delegate = delegate;
disableChangesTables = migration.readChanges(); this.migration = migration;
} }
@Override @Override
public ReviewDb open() throws OrmException { public ReviewDb open() throws OrmException {
ReviewDb db = delegate.open(); ReviewDb db = delegate.open();
if (!disableChangesTables) { if (!migration.readChanges()) {
return db; return db;
} }
return new DisabledChangesReviewDbWrapper(db); return new DisabledChangesReviewDbWrapper(db);