commit 978c7809923b3ef62a39ab404f35093ea39fcdc7
author Jagpal Singh Gill <paligill@gmail.com> Wed Oct 29 11:44:14 2025 -0700
committer Jagpal Singh Gill <paligill@gmail.com> Wed Oct 29 11:44:14 2025 -0700
tree e03cc4afb340024f7675d862a735839b1c2ae0d8
parent cad9ecf69472f03f9ece64eff5d2d94bc51bcf90

common: use std::flat_map for entity_manager

Use std::flat_map instead of boost flat_map to avoid extra dependency on
boost as std::flat_map is available.

Tested:
Verified the EntityManager interface works as expected after change as
configuration interfaces gets processed by Modbus RTU service.
```
root@ventura:~# busctl tree xyz.openbmc_project.ModbusRTU
`- /xyz
  `- /xyz/openbmc_project
    `- /xyz/openbmc_project/inventory_source
      |- /xyz/openbmc_project/inventory_source/Heat_Exchanger_12_DevTTYUSB0
      |- /xyz/openbmc_project/inventory_source/Heat_Exchanger_12_DevTTYUSB1
      |- /xyz/openbmc_project/inventory_source/Reservoir_Pumping_Unit_12_DevTTYUSB0
      `- /xyz/openbmc_project/inventory_source/Reservoir_Pumping_Unit_12_DevTTYUSB1
root@ventura:~# busctl tree xyz.openbmc_project.EntityManager
`- /xyz
  `- /xyz/openbmc_project
    |- /xyz/openbmc_project/EntityManager
    `- /xyz/openbmc_project/inventory
      `- /xyz/openbmc_project/inventory/system
        |- /xyz/openbmc_project/inventory/system/board
        | `- /xyz/openbmc_project/inventory/system/board/Ventura_Modbus
        |   |- /xyz/openbmc_project/inventory/system/board/Ventura_Modbus/DevTTYUSB0
        |   |- /xyz/openbmc_project/inventory/system/board/Ventura_Modbus/DevTTYUSB1
        |   |- /xyz/openbmc_project/inventory/system/board/Ventura_Modbus/Heat_Exchanger
        |   `- /xyz/openbmc_project/inventory/system/board/Ventura_Modbus/Reservoir_Pumping_Unit
        `- /xyz/openbmc_project/inventory/system/chassis
          |- /xyz/openbmc_project/inventory/system/chassis/Heat_Exchanger_12_DevTTYUSB0
          |- /xyz/openbmc_project/inventory/system/chassis/Heat_Exchanger_12_DevTTYUSB1
          |- /xyz/openbmc_project/inventory/system/chassis/Reservoir_Pumping_Unit_12_DevTTYUSB0
          | `- /xyz/openbmc_project/inventory/system/chassis/Reservoir_Pumping_Unit_12_DevTTYUSB0/Reservoir_Pumping_Unit_12_DevTTYUSB0
          `- /xyz/openbmc_project/inventory/system/chassis/Reservoir_Pumping_Unit_12_DevTTYUSB1
            `- /xyz/openbmc_project/inventory/system/chassis/Reservoir_Pumping_Unit_12_DevTTYUSB1/Reservoir_Pumping_Unit_12_DevTTYUSB1
```

Change-Id: Iecb61359a0f9259bfec0f0678f13217928be67d6
Signed-off-by: Jagpal Singh Gill <paligill@gmail.com>

common/entity_manager_interface.cpp

diff --git a/common/entity_manager_interface.cpp b/common/entity_manager_interface.cpp
index 49b767a..1f4b093 100644
--- a/common/entity_manager_interface.cpp
+++ b/common/entity_manager_interface.cpp
@@ -1,12 +1,12 @@
 #include "entity_manager_interface.hpp"
 
-#include <boost/container/flat_map.hpp>
 #include <phosphor-logging/lg2.hpp>
 #include <sdbusplus/async.hpp>
 #include <sdbusplus/message/native_types.hpp>
 #include <xyz/openbmc_project/Inventory/Item/client.hpp>
 
 #include <algorithm>
+#include <flat_map>
 #include <utility>
 
 namespace entity_manager
@@ -20,10 +20,10 @@
     std::variant<std::vector<std::string>, std::vector<uint8_t>, std::string,
                  int64_t, uint64_t, double, int32_t, uint32_t, int16_t,
                  uint16_t, uint8_t, bool>;
-using BaseConfigMap = boost::container::flat_map<std::string, BasicVariantType>;
-using ConfigData = boost::container::flat_map<std::string, BaseConfigMap>;
+using BaseConfigMap = std::flat_map<std::string, BasicVariantType>;
+using ConfigData = std::flat_map<std::string, BaseConfigMap>;
 using ManagedObjectType =
-    boost::container::flat_map<sdbusplus::message::object_path, ConfigData>;
+    std::flat_map<sdbusplus::message::object_path, ConfigData>;
 
 EntityManagerInterface::EntityManagerInterface(
     sdbusplus::async::context& ctx, const interface_list_t& interfaceNames,