resource_group_impl.h

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/* Copyright (c) 2014, 2025, Oracle and/or its affiliates.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
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   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.
 
   You should have received a copy of the GNU General Public License
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef DD__RESOURCE_GROUP_IMPL_INCLUDED
#define DD__RESOURCE_GROUP_IMPL_INCLUDED
 
#include <sys/types.h>
#include <bitset>
#include <new>
#include <string>
#include <vector>
 
#include "sql/dd/impl/raw/raw_record.h"
#include "sql/dd/impl/types/entity_object_impl.h"  // dd::Entity_object_impl
#include "sql/dd/impl/types/weak_object_impl.h"
#include "sql/dd/object_id.h"
#include "sql/dd/types/resource_group.h"                // dd::Resource_group
#include "sql/resourcegroups/resource_group_sql_cmd.h"  // resourcegroups::Type
 
namespace dd {
 
class Open_dictionary_tables_ctx;
class Weak_object;
 
class Resource_group_impl : public Entity_object_impl, public Resource_group {
 public:
  Resource_group_impl();
  Resource_group_impl(const Resource_group_impl &);
 
 public:
  const Object_table &object_table() const override;
  static void register_tables(Open_dictionary_tables_ctx *otx);
 
  bool validate() const override;
  bool restore_attributes(const Raw_record &r) override;
  bool store_attributes(Raw_record *r) override;
  void debug_print(String_type &outb) const override;
 
  const resourcegroups::Type &resource_group_type() const override {
    return m_type;
  }
  void set_resource_group_type(const resourcegroups::Type &type) override {
    m_type = type;
  }
 
  bool resource_group_enabled() const override { return m_enabled; }
  void set_resource_group_enabled(bool enabled) override {
    m_enabled = enabled;
  }
 
  const std::bitset<CPU_MASK_SIZE> &cpu_id_mask() const override {
    return m_cpu_id_mask;
  }
 
  void set_cpu_id_mask(
      const std::vector<resourcegroups::Range> &vcpu_vec) override {
    m_cpu_id_mask.reset();
    for (auto vcpu_range : vcpu_vec) {
      for (auto bit_pos = vcpu_range.m_start; bit_pos <= vcpu_range.m_end;
           ++bit_pos)
        m_cpu_id_mask.set(bit_pos);
    }
  }
 
  int thread_priority() const override { return m_thread_priority; }
 
  void set_thread_priority(int priority) override {
    m_thread_priority = priority;
  }
 
  // Fix "inherits ... via dominance" warnings
  Entity_object_impl *impl() override { return Entity_object_impl::impl(); }
  const Entity_object_impl *impl() const override {
    return Entity_object_impl::impl();
  }
  Object_id id() const override { return Entity_object_impl::id(); }
  bool is_persistent() const override {
    return Entity_object_impl::is_persistent();
  }
  const String_type &name() const override {
    return Entity_object_impl::name();
  }
  void set_name(const String_type &name) override {
    Entity_object_impl::set_name(name);
  }
 
 private:
  String_type m_resource_group_name;
  resourcegroups::Type m_type;
  bool m_enabled;
  std::bitset<CPU_MASK_SIZE> m_cpu_id_mask;
  int m_thread_priority;
 
  Resource_group *clone() const override {
    return new Resource_group_impl(*this);
  }
 
  Resource_group *clone_dropped_object_placeholder() const override {
    // Play simple. Proper placeholder will take the same memory as clone.
    return clone();
  }
};
 
}  // namespace dd
#endif  // DD__RESOURCE_GROUP_IMPL_INCLUDED