patch 4.0

src/share/ob_i_global_autoincrement_service.h

@@ -0,0 +1,67 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#ifndef _OB_SHARE_OB_I_GLOBAL_AUTO_INCR_SERVICE_H_
+#define _OB_SHARE_OB_I_GLOBAL_AUTO_INCR_SERVICE_H_
+
+#include "lib/container/ob_iarray.h"
+#include "lib/hash/ob_hashmap.h"
+#include "share/ob_autoincrement_param.h"
+
+namespace oceanbase
+{
+namespace share
+{
+
+
+class ObIGlobalAutoIncrementService
+{
+public:
+  ObIGlobalAutoIncrementService() = default;
+  ~ObIGlobalAutoIncrementService() = default;
+
+  virtual int get_value(
+      const AutoincKey &key,
+      const uint64_t offset,
+      const uint64_t increment,
+      const uint64_t max_value,
+      const uint64_t table_auto_increment,
+      const uint64_t desired_count,
+      const uint64_t cache_size,
+      uint64_t &sync_value,
+      uint64_t &start_inclusive,
+      uint64_t &end_inclusive) = 0;
+
+  virtual int get_sequence_value(const AutoincKey &key, uint64_t &sequence_value) = 0;
+
+  virtual int get_auto_increment_values(
+      const uint64_t tenant_id,
+      const common::ObIArray<AutoincKey> &autoinc_keys,
+      common::hash::ObHashMap<AutoincKey, uint64_t> &inc_values) = 0;
+
+  virtual int local_push_to_global_value(
+      const AutoincKey &key,
+      const uint64_t max_value,
+      const uint64_t insert_value,
+      uint64_t &global_sync_value) = 0;
+
+  virtual int local_sync_with_global_value(const AutoincKey &key, uint64_t &value) = 0;
+
+private:
+  DISALLOW_COPY_AND_ASSIGN(ObIGlobalAutoIncrementService);
+};
+
+}
+}
+#endif /* _OB_SHARE_OB_I_GLOBAL_AUTO_INCR_SERVICE_H_ */
+//// end of header file
+