Praxis Architecture View

Component responsibility: apps/nrf52_node

Explain the key responsibility units inside apps/nrf52_node from the C4 Component layer: entry, page, command, interface, registry, adapter or shared object.

Component candidate / high 0.1.30-alpha · 34aad0bffa2f / main

C4 hierarchy path

Current layer: Component, explaining the key responsibility units within a Container.
Upper layer: Container, which defines the architectural boundaries to which these components belong.
Lower layer: Code View, only enter a small number of key code anchors when you need to trace the implementation entrance or change the impact surface.

Responsibility

Explain which key components within the apps/nrf52_node Container bear architectural responsibilities. The Component layer is not a comprehensive list of classes/functions, only objects that are helpful for understanding system boundaries, collaboration, or the impact of changes.

Boundary

The boundary of Component View is limited to apps/nrf52_node Container; cross-container relationships should be explained back to the Container or Engineering Sequence perspective.

Relationship

ChatService: ChatService is an application service or processing component within apps/nrf52_node, as evidenced by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L23.
ContactService: ContactService is an application service or processing component within apps/nrf52_node, evidence from apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L30.
IMeshAdapter: IMeshAdapter is an external system adaptation component within apps/nrf52_node, evidence from apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L25.
ScopedGpsSuspend: ScopedGpsSuspend is the main architectural component within apps/nrf52_node, evidence from apps/nrf52_node/src/nrf52_node_app_facade_runtime.cpp#L45.
AppFacadeRuntime: AppFacadeRuntime is the main architectural component within apps/nrf52_node, evidence from apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L42.
ChatModel: ChatModel is the main architectural component within apps/nrf52_node, evidence from apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L22.
SelfIdentityBridge: SelfIdentityBridge is the main architectural component within apps/nrf52_node, as evidenced by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L36.
IChatStore: IChatStore is a persistent access component within apps/nrf52_node. The evidence comes from apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L24.
IContactStore: IContactStore is a persistent access component within apps/nrf52_node. The evidence comes from apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L29.
INodeStore: INodeStore is a persistent access component within apps/nrf52_node. The evidence comes from apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L28.
nrf52_node_app_facade_runtime: nrf52_node_app_facade_runtime is an application service or processing component within apps/nrf52_node, evidence from apps/nrf52_node/src/nrf52_node_app_facade_runtime.cpp.
nrf52_node_runtime_config: nrf52_node_runtime_config is the runtime configuration component within apps/nrf52_node, evidence from apps/nrf52_node/src/nrf52_node_runtime_config.cpp.

Relationship with business complexity

The component layer helps connect business stories to actual portal, orchestration, adaptation or infrastructure objects.
If a component directly hosts a Use Case, corresponding evidence should appear in the drill-down document of the organization/process model.

Relationship with technical complexity

Corresponds to Engineering Class / Structural Diagram: docs/engineering/class-structural-diagrams/apps-nrf52_node/class-structural-diagram.html.
Component-level reuse signs, external collaboration signs and complexity candidate points are still explained by the software structure model.

C4 Component Diagram

flowchart TB
  container["apps/nrf52_node Container"]
  component_1["ChatService"]
  container --> component_1
  component_2["ContactService"]
  container --> component_2
  component_3["IMeshAdapter"]
  container --> component_3
  component_4["ScopedGpsSuspend"]
  container --> component_4
  component_5["AppFacadeRuntime"]
  container --> component_5
  component_6["ChatModel"]
  container --> component_6
  component_7["SelfIdentityBridge"]
  container --> component_7
  component_8["IChatStore"]
  container --> component_8
  component_9["IContactStore"]
  container --> component_9
  component_10["INodeStore"]
  container --> component_10

Explanation of elements in the diagram

ChatService

Component · high

ChatService is a class candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L23; the current warehouse evidence shows that it has signs of local relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: ChatService is considered a candidate architectural component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L23, class type and local relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: ChatService is put into Component View because it can offload the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adaptation, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Code View or Component Diagram of the software structure model to view ChatService's file anchors, direct collaboration, and whether there is a risk of change diffusion.

ContactService

Component · high

ContactService is a class candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L30; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: ContactService is considered a candidate architectural component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L30, class type and local relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: ContactService is put into Component View because it offloads the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adapter, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Component Diagram of the Code View or software structure model to view the file anchors of ContactService, direct collaboration, and whether there is a risk of change diffusion.

IMeshAdapter

Component · high

IMeshAdapter is a class candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L25; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: IMeshAdapter is considered an external capability adapter component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L25, class type and local relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: IMeshAdapter was put into Component View because it offloads the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adaptation, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Component Diagram of the Code View or software structure model to view the IMeshAdapter's file anchors, direct collaboration, and whether there is a risk of change diffusion.

ScopedGpsSuspend

Component · medium

ScopedGpsSuspend is a class candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.cpp#L45; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: ScopedGpsSuspend is considered a candidate architectural component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.cpp#L45, class type, and local relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: ScopedGpsSuspend was put into the Component View because it offloads the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adaptation, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Code View or Component Diagram of the software structure model to view ScopedGpsSuspend's file anchors, direct collaboration, and whether there is a risk of change diffusion.

AppFacadeRuntime

Component · medium

AppFacadeRuntime is a class candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L42; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: AppFacadeRuntime is considered a candidate architectural component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L42, class type and local relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: AppFacadeRuntime was put into Component View because it offloads the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adaptation, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Component Diagram of the Code View or software structure model to view the file anchors of AppFacadeRuntime, direct collaboration, and whether there is a risk of change diffusion.

ChatModel

Component · medium

ChatModel is a class candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L22; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: ChatModel is considered a candidate architectural component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L22, class type and local relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: ChatModel is put into Component View because it offloads the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adaptation, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Code View or the Component Diagram of the software structure model to view the ChatModel's file anchors, direct collaboration, and whether there is a risk of change diffusion.

SelfIdentityBridge

Component · medium

SelfIdentityBridge is a class candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L36; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: SelfIdentityBridge is considered a candidate schema component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L36, class type and local relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: SelfIdentityBridge was put into Component View because it offloads the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adapter, contract, or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Code View or Component Diagram of the software structure model to view SelfIdentityBridge's file anchors, direct collaboration, and whether there is a risk of change propagation.

IChatStore

Component · medium

IChatStore is a class candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L24; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: IChatStore is considered a candidate architectural component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L24, class type and local relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: IChatStore was put into Component View because it offloads the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adaptation, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Component Diagram of the Code View or software structure model to view the file anchor points of IChatStore, direct collaboration, and whether there is a risk of change diffusion.

IContactStore

Component · medium

IContactStore is a class candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L29; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: IContactStore is considered a candidate architectural component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L29, class type and local relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: IContactStore was put into the Component View because it offloads the architectural responsibilities of apps/nrf52_node onto an inspectable entry, orchestration, adapter, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Component Diagram of the Code View or software structure model to view IContactStore's file anchors, direct collaboration, and whether there is a risk of change diffusion.

INodeStore

Component · medium

INodeStore is a class candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L28; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: INodeStore is considered a candidate architectural component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L28, class type and local relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: INodeStore is put into Component View because it can offload the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adaptation, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Component Diagram of the Code View or software structure model to view the file anchor points of INodeStore, direct collaboration, and whether there is a risk of change diffusion.

nrf52_node_app_facade_runtime

Component · high

nrf52_node_app_facade_runtime is an import candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_app_facade_runtime.cpp; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: nrf52_node_app_facade_runtime is considered a candidate architecture component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_app_facade_runtime.cpp, import type, and partial relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: nrf52_node_app_facade_runtime is placed in the Component View because it offloads the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adaptation, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Component Diagram of the Code View or software structure model to view the file anchors of nrf52_node_app_facade_runtime, direct collaboration, and whether there is a risk of change diffusion.

nrf52_node_runtime_config

Component · medium

nrf52_node_runtime_config is an import candidate component in apps/nrf52_node, and the evidence anchor is apps/nrf52_node/src/nrf52_node_runtime_config.cpp; the current warehouse evidence shows that it has signs of partial relationships and is suitable as a candidate anchor rather than a complete conclusion.

Responsibility: nrf52_node_runtime_config is considered a candidate architecture component in the current C4 Component View. This judgment is not determined by the name alone, but is jointly supported by apps/nrf52_node/src/nrf52_node_runtime_config.cpp, import type, and partial relationship signs, which are suitable as candidate anchors rather than complete conclusions.
Boundary: It belongs inside the apps/nrf52_node Container; collaboration beyond this path should be interpreted back to the Container or Sequence perspective in the software structure model.
Relationship meaning: nrf52_node_runtime_config is placed in the Component View because it offloads the architectural responsibilities of apps/nrf52_node to an inspectable entry, orchestration, adaptation, contract or shared object. Reuse signs and external collaboration signs are used to indicate whether it is more like a shared core, an external orchestrator, or a normal local object.
Why it belongs to this layer: It has a clear code anchor, but the current explanation target is not the source code details, but how to split the internal responsibilities of apps/nrf52_node, so it belongs to the C4 Component layer.
Drill-down intention: Drill down to the Component Diagram of the Code View or software structure model to view the file anchor point of nrf52_node_runtime_config, direct collaboration, and whether there is a risk of change diffusion.

Can drill down to C4

Code anchor point: apps/nrf52_node details

Entering code anchor: apps/nrf52_node is to trace the architectural responsibility of component responsibility: apps/nrf52_node to the specific file/symbol anchor; only when you need to determine the implementation entry or the impact of the change, you should drill down to Code.

Explain a few key code anchors in apps/nrf52_node from the C4 Code layer. The Code layer is not a code browser and is only used when you need to understand how architectural components fall into specific files/symbols.

Associated software structure model

apps/nrf52_node Class / Structural Diagram related_engineering

View the internal structure collaboration and key technical objects of the Container.

Evidence

apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L23
apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L30
apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L25
apps/nrf52_node/src/nrf52_node_app_facade_runtime.cpp#L45
apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L42
apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L22
apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L36
apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L24
apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L29
apps/nrf52_node/src/nrf52_node_app_facade_runtime.h#L28
apps/nrf52_node/src/nrf52_node_app_facade_runtime.cpp
apps/nrf52_node/src/nrf52_node_runtime_config.cpp

Judgment basis

Component candidates only retain component-level responsibility objects such as entry, orchestration, interface, adapter, configuration, task, consumer or producer; methods, routes and local functions are dropped to Code View.