1 files changed, 63 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/schema/H2.java b/java/com/google/gerrit/server/schema/H2.java
new file mode 100644
index 0000000000..840eaf0a94
--- /dev/null
+++ b/java/com/google/gerrit/server/schema/H2.java
@@ -0,0 +1,63 @@
+// Copyright (C) 2012 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.server.schema;
+
+import com.google.gerrit.server.config.GerritServerConfig;
+import com.google.gerrit.server.config.SitePaths;
+import com.google.inject.Inject;
+import java.nio.file.Path;
+import org.eclipse.jgit.lib.Config;
+
+class H2 extends BaseDataSourceType {
+
+  protected final Config cfg;
+  private final SitePaths site;
+
+  @Inject
+  H2(SitePaths site, @GerritServerConfig Config cfg) {
+    super("org.h2.Driver");
+    this.cfg = cfg;
+    this.site = site;
+  }
+
+  @Override
+  public String getUrl() {
+    String database = cfg.getString("database", null, "database");
+    if (database == null || database.isEmpty()) {
+      database = "db/ReviewDB";
+    }
+    return appendUrlOptions(cfg, createUrl(site.resolve(database)));
+  }
+
+  public static String createUrl(Path path) {
+    return new StringBuilder().append("jdbc:h2:").append(path.toUri().toString()).toString();
+  }
+
+  public static String appendUrlOptions(Config cfg, String url) {
+    long h2CacheSize = cfg.getLong("database", "h2", "cacheSize", -1);
+    boolean h2AutoServer = cfg.getBoolean("database", "h2", "autoServer", false);
+
+    StringBuilder urlBuilder = new StringBuilder().append(url);
+
+    if (h2CacheSize >= 0) {
+      // H2 CACHE_SIZE is always given in KB
+      urlBuilder.append(";CACHE_SIZE=").append(h2CacheSize / 1024);
+    }
+    if (h2AutoServer) {
+      urlBuilder.append(";AUTO_SERVER=TRUE");
+    }
+    return urlBuilder.toString();
+  }
+}