Index: chrome/browser/predictors/predictor_table_base.h |
diff --git a/chrome/browser/predictors/predictor_table_base.h b/chrome/browser/predictors/predictor_table_base.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3b46792fee985844333c384c4c813e0ab295db32 |
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+++ b/chrome/browser/predictors/predictor_table_base.h |
@@ -0,0 +1,46 @@ |
+// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CHROME_BROWSER_PREDICTORS_PREDICTOR_TABLE_BASE_H_ |
+#define CHROME_BROWSER_PREDICTORS_PREDICTOR_TABLE_BASE_H_ |
+#pragma once |
+ |
+#include "base/memory/ref_counted.h" |
+#include "base/synchronization/cancellation_flag.h" |
+ |
+namespace sql { |
+class Connection; |
+} |
+ |
+namespace predictors { |
+ |
+// Base class for all tables in the PredictorDatabase. |
+// |
+// Refcounted as it is created and destroyed in the UI thread but all database |
+// related functions need to happen in the database thread. |
+class PredictorTableBase |
+ : public base::RefCountedThreadSafe<PredictorTableBase> { |
+ protected: |
+ PredictorTableBase(); |
+ virtual ~PredictorTableBase(); |
+ |
+ // DB thread functions. |
+ virtual void CreateTableIfNonExistent() = 0; |
+ virtual void LogDatabaseStats() = 0; |
+ void Initialize(sql::Connection* db); |
+ sql::Connection* DB(); |
+ |
+ base::CancellationFlag cancelled_; |
+ |
+ private: |
+ friend class base::RefCountedThreadSafe<PredictorTableBase>; |
+ |
+ sql::Connection* db_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(PredictorTableBase); |
+}; |
+ |
+} // namespace predictors |
+ |
+#endif // CHROME_BROWSER_PREDICTORS_PREDICTOR_TABLE_BASE_H_ |