Remove InMemoryDatabase

At this point, the only functionality provided by this class was a
method to call SchemaCreator#create. Callers can use that directly
instead.

The real ReviewDbSchemaFactory is a simple enough stub now that it's
fine to install DatabaseModule directly in tests.

Change-Id: Iaa19a04bfe1fc83885c1fd58f84ca6986317e35b

java/com/google/gerrit/acceptance/AbstractDaemonTest.java

@@ -430,8 +430,8 @@ public abstract class AbstractDaemonTest {
     // contained in the instance of the group index which is available here and in tests. There are
     // two reasons:
     // 1) No group index is available in SchemaCreatorImpl when using an in-memory database.
-    // (This could be fixed by using the IndexManagerOnInit in InMemoryDatabase similar as BaseInit
-    // uses it.)
+    // (This could be fixed by using the IndexManagerOnInit in InMemoryTestingDatabaseModule similar
+    // to how BaseInit uses it.)
     // 2) During the on-init part of the server start, we use another instance of the index than
     // later on. As test indexes are non-permanent, closing an instance and opening another one
     // removes all indexed data.

java/com/google/gerrit/acceptance/InMemoryTestingDatabaseModule.java

@@ -21,28 +21,24 @@ import com.google.gerrit.extensions.events.LifecycleListener;
 import com.google.gerrit.lifecycle.LifecycleModule;
 import com.google.gerrit.metrics.DisabledMetricMaker;
 import com.google.gerrit.metrics.MetricMaker;
-import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.config.GerritServerConfig;
 import com.google.gerrit.server.config.SitePath;
 import com.google.gerrit.server.config.SitePaths;
 import com.google.gerrit.server.config.TrackingFooters;
 import com.google.gerrit.server.config.TrackingFootersProvider;
 import com.google.gerrit.server.git.GitRepositoryManager;
-import com.google.gerrit.server.schema.NotesMigrationSchemaFactory;
-import com.google.gerrit.server.schema.ReviewDbFactory;
+import com.google.gerrit.server.schema.DatabaseModule;
 import com.google.gerrit.server.schema.ReviewDbSchemaModule;
-import com.google.gerrit.testing.InMemoryDatabase;
+import com.google.gerrit.server.schema.SchemaCreator;
 import com.google.gerrit.testing.InMemoryRepositoryManager;
 import com.google.gwtorm.server.OrmException;
 import com.google.gwtorm.server.OrmRuntimeException;
-import com.google.gwtorm.server.SchemaFactory;
 import com.google.inject.Inject;
-import com.google.inject.Key;
 import com.google.inject.ProvisionException;
-import com.google.inject.TypeLiteral;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import org.eclipse.jgit.errors.ConfigInvalidException;
 import org.eclipse.jgit.lib.Config;
 
 class InMemoryTestingDatabaseModule extends LifecycleModule {
@@ -74,13 +70,8 @@ class InMemoryTestingDatabaseModule extends LifecycleModule {
 
     bind(MetricMaker.class).to(DisabledMetricMaker.class);
 
-    TypeLiteral<SchemaFactory<ReviewDb>> schemaFactory =
-        new TypeLiteral<SchemaFactory<ReviewDb>>() {};
-    bind(schemaFactory).to(NotesMigrationSchemaFactory.class);
-    bind(Key.get(schemaFactory, ReviewDbFactory.class)).to(InMemoryDatabase.class);
-    bind(InMemoryDatabase.class).in(SINGLETON);
-
-    listener().to(CreateDatabase.class);
+    install(new DatabaseModule());
+    listener().to(CreateSchema.class);
 
     bind(SitePaths.class);
     bind(TrackingFooters.class).toProvider(TrackingFootersProvider.class).in(SINGLETON);
@@ -90,19 +81,19 @@ class InMemoryTestingDatabaseModule extends LifecycleModule {
     install(new SshdModule());
   }
 
-  static class CreateDatabase implements LifecycleListener {
-    private final InMemoryDatabase mem;
+  static class CreateSchema implements LifecycleListener {
+    private final SchemaCreator schemaCreator;
 
     @Inject
-    CreateDatabase(InMemoryDatabase mem) {
-      this.mem = mem;
+    CreateSchema(SchemaCreator schemaCreator) {
+      this.schemaCreator = schemaCreator;
     }
 
     @Override
     public void start() {
       try {
-        mem.create();
-      } catch (OrmException e) {
+        schemaCreator.ensureCreated();
+      } catch (OrmException | IOException | ConfigInvalidException e) {
         throw new OrmRuntimeException(e);
       }
     }

java/com/google/gerrit/testing/InMemoryDatabase.java

@@ -1,98 +0,0 @@
-// Copyright (C) 2009 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.testing;
-
-import com.google.gerrit.pgm.init.index.elasticsearch.ElasticIndexModuleOnInit;
-import com.google.gerrit.pgm.init.index.lucene.LuceneIndexModuleOnInit;
-import com.google.gerrit.reviewdb.server.ReviewDb;
-import com.google.gerrit.server.config.AllProjectsName;
-import com.google.gerrit.server.git.GitRepositoryManager;
-import com.google.gerrit.server.index.IndexModule;
-import com.google.gerrit.server.schema.SchemaCreator;
-import com.google.gwtorm.server.OrmException;
-import com.google.gwtorm.server.SchemaFactory;
-import com.google.inject.AbstractModule;
-import com.google.inject.Inject;
-import com.google.inject.Injector;
-import com.google.inject.Key;
-import com.google.inject.TypeLiteral;
-import java.io.IOException;
-import org.eclipse.jgit.errors.ConfigInvalidException;
-import org.eclipse.jgit.errors.RepositoryNotFoundException;
-
-/** Husk of an in-memory ReviewDb implementation. */
-// TODO(dborowitz): Inline callers to get their own darn schemaCreator.
-public class InMemoryDatabase implements SchemaFactory<ReviewDb> {
-  private final GitRepositoryManager repoManager;
-  private final AllProjectsName allProjectsName;
-  private final SchemaCreator schemaCreator;
-  private final SchemaFactory<ReviewDb> schemaFactory;
-
-  @Inject
-  InMemoryDatabase(Injector injector) {
-    Injector childInjector =
-        injector.createChildInjector(
-            new AbstractModule() {
-              @Override
-              protected void configure() {
-                switch (IndexModule.getIndexType(injector)) {
-                  case LUCENE:
-                    install(new LuceneIndexModuleOnInit());
-                    break;
-                  case ELASTICSEARCH:
-                    install(new ElasticIndexModuleOnInit());
-                    break;
-                  default:
-                    throw new IllegalStateException("unsupported index.type");
-                }
-              }
-            });
-    this.repoManager = childInjector.getInstance(GitRepositoryManager.class);
-    this.allProjectsName = childInjector.getInstance(AllProjectsName.class);
-    this.schemaCreator = childInjector.getInstance(SchemaCreator.class);
-    this.schemaFactory =
-        childInjector.getInstance(Key.get(new TypeLiteral<SchemaFactory<ReviewDb>>() {}));
-  }
-
-  InMemoryDatabase(
-      GitRepositoryManager repoManager,
-      AllProjectsName allProjectsName,
-      SchemaCreator schemaCreator,
-      SchemaFactory<ReviewDb> schemaFactory) {
-    this.repoManager = repoManager;
-    this.allProjectsName = allProjectsName;
-    this.schemaCreator = schemaCreator;
-    this.schemaFactory = schemaFactory;
-  }
-
-  @Override
-  public ReviewDb open() throws OrmException {
-    return schemaFactory.open();
-  }
-
-  /** Ensure the database schema has been created and initialized. */
-  public InMemoryDatabase create() throws OrmException {
-    try {
-      try {
-        repoManager.openRepository(allProjectsName).close();
-      } catch (RepositoryNotFoundException e) {
-        schemaCreator.create();
-      }
-    } catch (IOException | ConfigInvalidException e) {
-      throw new OrmException("Cannot create in-memory database", e);
-    }
-    return this;
-  }
-}

java/com/google/gerrit/testing/InMemoryModule.java

@@ -28,7 +28,6 @@ import com.google.gerrit.index.SchemaDefinitions;
 import com.google.gerrit.index.project.ProjectSchemaDefinitions;
 import com.google.gerrit.metrics.DisabledMetricMaker;
 import com.google.gerrit.metrics.MetricMaker;
-import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.FanOutExecutor;
 import com.google.gerrit.server.GerritPersonIdent;
 import com.google.gerrit.server.GerritPersonIdentProvider;
@@ -78,26 +77,22 @@ import com.google.gerrit.server.permissions.DefaultPermissionBackendModule;
 import com.google.gerrit.server.plugins.ServerInformationImpl;
 import com.google.gerrit.server.project.DefaultProjectNameLockManager;
 import com.google.gerrit.server.restapi.RestApiModule;
+import com.google.gerrit.server.schema.DatabaseModule;
 import com.google.gerrit.server.schema.InMemoryAccountPatchReviewStore;
-import com.google.gerrit.server.schema.NotesMigrationSchemaFactory;
-import com.google.gerrit.server.schema.ReviewDbFactory;
 import com.google.gerrit.server.schema.SchemaCreator;
 import com.google.gerrit.server.schema.SchemaCreatorImpl;
 import com.google.gerrit.server.securestore.DefaultSecureStore;
 import com.google.gerrit.server.securestore.SecureStore;
 import com.google.gerrit.server.ssh.NoSshKeyCache;
 import com.google.gerrit.server.submit.LocalMergeSuperSetComputation;
-import com.google.gwtorm.server.SchemaFactory;
 import com.google.inject.AbstractModule;
 import com.google.inject.Guice;
 import com.google.inject.Injector;
-import com.google.inject.Key;
 import com.google.inject.Module;
 import com.google.inject.Provider;
 import com.google.inject.Provides;
 import com.google.inject.ProvisionException;
 import com.google.inject.Singleton;
-import com.google.inject.TypeLiteral;
 import com.google.inject.servlet.RequestScoped;
 import com.google.inject.util.Providers;
 import java.lang.reflect.InvocationTargetException;
@@ -192,11 +187,7 @@ public class InMemoryModule extends FactoryModule {
         .toInstance(MoreExecutors.newDirectExecutorService());
     bind(SecureStore.class).to(DefaultSecureStore.class);
 
-    TypeLiteral<SchemaFactory<ReviewDb>> schemaFactory =
-        new TypeLiteral<SchemaFactory<ReviewDb>>() {};
-    bind(schemaFactory).to(NotesMigrationSchemaFactory.class);
-    bind(Key.get(schemaFactory, ReviewDbFactory.class)).to(InMemoryDatabase.class);
-
+    install(new DatabaseModule());
     install(new InMemorySchemaModule());
     install(NoSshKeyCache.module());
     install(new GerritInstanceNameModule());
@@ -306,16 +297,6 @@ public class InMemoryModule extends FactoryModule {
     return queues.createQueue(2, "FanOut");
   }
 
-  @Provides
-  @Singleton
-  InMemoryDatabase getInMemoryDatabase(
-      GitRepositoryManager repoManager,
-      AllProjectsName allProjectsName,
-      SchemaCreator schemaCreator,
-      SchemaFactory<ReviewDb> schemaFactory) {
-    return new InMemoryDatabase(repoManager, allProjectsName, schemaCreator, schemaFactory);
-  }
-
   private Module luceneIndexModule() {
     return indexModule("com.google.gerrit.lucene.LuceneIndexModule");
   }

javatests/com/google/gerrit/server/change/LabelNormalizerTest.java

@@ -32,7 +32,6 @@ import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.LabelId;
 import com.google.gerrit.reviewdb.client.PatchSetApproval;
-import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.gerrit.server.account.AccountManager;
@@ -49,7 +48,6 @@ import com.google.gerrit.server.util.RequestContext;
 import com.google.gerrit.server.util.ThreadLocalRequestContext;
 import com.google.gerrit.server.util.time.TimeUtil;
 import com.google.gerrit.testing.GerritBaseTests;
-import com.google.gerrit.testing.InMemoryDatabase;
 import com.google.gerrit.testing.InMemoryModule;
 import com.google.inject.Guice;
 import com.google.inject.Inject;
@@ -66,7 +64,6 @@ public class LabelNormalizerTest extends GerritBaseTests {
   @Inject private AllProjectsName allProjects;
   @Inject private GitRepositoryManager repoManager;
   @Inject private IdentifiedUser.GenericFactory userFactory;
-  @Inject private InMemoryDatabase schemaFactory;
   @Inject private LabelNormalizer norm;
   @Inject private MetaDataUpdate.User metaDataUpdateFactory;
   @Inject private ProjectCache projectCache;
@@ -77,7 +74,6 @@ public class LabelNormalizerTest extends GerritBaseTests {
   @Inject private GerritApi gApi;
 
   private LifecycleManager lifecycle;
-  private ReviewDb db;
   private Account.Id userId;
   private IdentifiedUser user;
   private Change change;
@@ -137,9 +133,6 @@ public class LabelNormalizerTest extends GerritBaseTests {
       lifecycle.stop();
     }
     requestContext.setContext(null);
-    if (db != null) {
-      db.close();
-    }
   }
 
   @Test

javatests/com/google/gerrit/server/schema/SchemaCreatorImplTest.java

@@ -26,7 +26,6 @@ import com.google.gerrit.server.config.AllProjectsName;
 import com.google.gerrit.server.git.GitRepositoryManager;
 import com.google.gerrit.server.project.ProjectConfig;
 import com.google.gerrit.testing.GerritBaseTests;
-import com.google.gerrit.testing.InMemoryDatabase;
 import com.google.gerrit.testing.InMemoryModule;
 import com.google.inject.Inject;
 import java.util.ArrayList;
@@ -42,17 +41,17 @@ public class SchemaCreatorImplTest extends GerritBaseTests {
 
   @Inject private GitRepositoryManager repoManager;
 
-  @Inject private InMemoryDatabase inMemoryDatabase;
+  @Inject private SchemaCreator schemaCreator;
 
   @Inject private ProjectConfig.Factory projectConfigFactory;
 
   @Before
   public void setUp() throws Exception {
     new InMemoryModule().inject(this);
+    schemaCreator.create();
   }
 
   private LabelTypes getLabelTypes() throws Exception {
-    inMemoryDatabase.create();
     ProjectConfig c = projectConfigFactory.create(allProjects);
     try (Repository repo = repoManager.openRepository(allProjects)) {
       c.load(repo);