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src/share/parameter/ob_parameter_attr.h

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+/**
+ * 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 OCEANBASE_SHARE_PARAMETER_OB_PARAMETER_ATTR_H_
+#define OCEANBASE_SHARE_PARAMETER_OB_PARAMETER_ATTR_H_
+#include "lib/utility/ob_macro_utils.h"
+
+namespace oceanbase {
+namespace common {
+
+#define _ENUM_EXP(arg) arg
+
+#define DECL_ATTR(ATTR_CLS, args...)                    \
+  typedef struct ATTR_CLS {                             \
+    enum ATTR_CLS##Info{LST_DO(_ENUM_EXP, (, ), args)}; \
+    static const char* VALUES[];                        \
+  } ATTR_CLS;
+
+DECL_ATTR(Section, ROOT_SERVICE, LOAD_BALANCE, DAILY_MERGE, LOCATION_CACHE, SSTABLE, CLOG, CACHE, TRANS, TENANT, RPC,
+    OBPROXY, OBSERVER);
+DECL_ATTR(Scope, CLUSTER, TENANT);
+DECL_ATTR(Source, DEFAULT, FILE, OBADMIN, CMDLINE, CLUSTER, TENANT);
+DECL_ATTR(Session, NO, YES);
+DECL_ATTR(VisibleLevel, SYS, COMMON, INVISIBLE);
+DECL_ATTR(EditLevel, READONLY, STATIC_EFFECTIVE, DYNAMIC_EFFECTIVE);
+DECL_ATTR(CompatMode, MYSQL, ORACLE, COMMON);
+
+// TODO: whether we need this
+struct InfluencePlan {};
+struct NeedSerialize {};
+
+class ObParameterAttr {
+  public:
+  ObParameterAttr()
+      : section_(Section::OBSERVER),
+        scope_(Scope::CLUSTER),
+        source_(Source::DEFAULT),
+        session_(Session::NO),
+        visible_level_(VisibleLevel::COMMON),
+        edit_level_(EditLevel::DYNAMIC_EFFECTIVE),
+        compat_mode_(CompatMode::COMMON)
+  {}
+
+  // constructor without scope, session, visible_level and compat_mode
+  ObParameterAttr(
+      Section::SectionInfo section_info, Source::SourceInfo source_info, EditLevel::EditLevelInfo edit_level_info)
+      : section_(section_info),
+        scope_(Scope::CLUSTER),
+        source_(source_info),
+        session_(Session::NO),
+        visible_level_(VisibleLevel::COMMON),
+        edit_level_(edit_level_info),
+        compat_mode_(CompatMode::COMMON)
+  {}
+
+  void set_scope(Scope::ScopeInfo scope_info)
+  {
+    scope_ = scope_info;
+  }
+
+  const char* get_section() const
+  {
+    return Section::VALUES[section_];
+  }
+  const char* get_scope() const
+  {
+    return Scope::VALUES[scope_];
+  }
+  const char* get_source() const
+  {
+    return Source::VALUES[source_];
+  }
+  const char* get_session() const
+  {
+    return Session::VALUES[session_];
+  }
+  const char* get_visible_level() const
+  {
+    return VisibleLevel::VALUES[visible_level_];
+  }
+  const char* get_edit_level() const
+  {
+    return EditLevel::VALUES[edit_level_];
+  }
+  const char* get_compat_mode() const
+  {
+    return CompatMode::VALUES[compat_mode_];
+  }
+  bool is_static() const;
+  bool is_readonly() const;
+  bool is_invisible() const;
+
+  private:
+  Section::SectionInfo section_;
+  Scope::ScopeInfo scope_;
+  Source::SourceInfo source_;
+  Session::SessionInfo session_;
+  VisibleLevel::VisibleLevelInfo visible_level_;
+  EditLevel::EditLevelInfo edit_level_;
+  CompatMode::CompatModeInfo compat_mode_;
+};
+
+}  // namespace common
+}  // namespace oceanbase
+
+#endif