# Business Logic — JKKIdPwdShkkaSaifurHakkoCC.getInvokeCBS() [8 LOC]

| Field | Value |
|-------|-------|
| Fully Qualified Name | `com.fujitsu.futurity.bp.custom.common.JKKIdPwdShkkaSaifurHakkoCC` |
| Layer | CC/Common Component |
| Module | `common` (Package: `com.fujitsu.futurity.bp.custom.common`) |

## 1. Role

### JKKIdPwdShkkaSaifurHakkoCC.getInvokeCBS()

This method is the **check processing entry point** (チェック処理) within the **ID Password Issuance Execution** domain — it serves as a checkpoint invoked during the pre-validation phase of various business operation screens. The class `JKKIdPwdShkkaSaifurHakkoCC` translates to "ID Password Execution Issuance Common Component" in English, indicating it is responsible for handling document issuance workflows related to user ID and password information (ID速報書 — ID quick report/document).

The method implements the **delegation design pattern**: it delegates all substantive work to its internal `init()` helper method and currently returns `null`, acting as a **stub** or **planned extension point**. In the existing codebase, all observed callers have this method call **commented out** (e.g., in `KKSV0504_KKSV0504OPBPCheck.java`, `KKSV0212_KKSV0212OPBPCheck.java`), suggesting the ID Password Issuance check has either been decommissioned or deferred.

As a **Common Component (CC)** extending `AbstractCommonComponent`, this method's role in the larger system is to provide a standardized hook for pre-CBS (Central Business System) validation. When fully implemented, it would prepare request parameters and validate business rules before downstream CBS calls are executed. The method is parameterized by a `fixedText` identifier (e.g., `"KKSV050401CC"`), enabling the same component interface to be reused across multiple screen contexts.

## 2. Processing Pattern (Detailed Business Logic)

```mermaid
flowchart TD
    START(["getInvokeCBS(handle, param, fixedText)"])
    INIT["init(param, fixedText)"]
    SET_ERROR["Set ERROR_INFO control map to empty ArrayList<Object>"]
    RETURN["Return null"]
    END(["End"])

    START --> INIT
    INIT --> SET_ERROR
    SET_ERROR --> RETURN
    RETURN --> END
```

The method's control flow is linear and unconditional — no branching, no conditional logic, and no loops. Processing steps:

1. **init(param, fixedText)** — Delegates to the private `init` method to prepare the request parameter object.
2. **Set ERROR_INFO** — Initializes the error information list in the control map via `param.setControlMapData(SCControlMapKeys.ERROR_INFO, new ArrayList<Object>())`. This ensures the error container exists before any downstream processing.
3. **Return null** — Returns `null` instead of a populated `HashMap<String, Object>`, confirming this is a stub/placeholder implementation.

**Constants referenced:**
- `SCControlMapKeys.ERROR_INFO` — A static key used to identify the error information entry within the control map structure. No custom constant file was found for this class; the constant is inherited from the SC framework.

## 3. Parameter Analysis

| No | Parameter Name | Type | Business Description |
|----|---------------|------|---------------------|
| 1 | `handle` | `SessionHandle` | Session manager handle — carries the database session context and transaction management state. Used to maintain connection state throughout the business operation lifecycle. |
| 2 | `param` | `IRequestParameterReadWrite` | Request parameter object containing the model group data and control map. Acts as the primary data carrier between the screen layer and business logic. The control map within this object stores operational metadata such as error information (`SCControlMapKeys.ERROR_INFO`). |
| 3 | `fixedText` | `String` | User-defined identifier string — serves as a key to identify the calling screen/context (e.g., `"KKSV050401CC"`). Used for tracing and routing data lookups within the parameter map. In practice, this is the component's unique identifier string. |

**Instance fields / external state:**
- None directly read by this method. The method calls `init()` which reads `param` and writes to it via `setControlMapData()`.

## 4. CRUD Operations / Called Services

| CRUD | SC / CBS | SC Code | Entity / DB | Operation Description |
|------|----------|---------|-------------|----------------------|
| - | `JKKIdPwdShkkaSaifurHakkoCC.init` | JKKIdPwdShkkaSaifurHakkoCC | - | Calls `init` in `JKKIdPwdShkkaSaifurHakkoCC` — initializes the error information control map entry |

The method performs **no data access operations** (no C/R/U/D). It does not call any Service Component (SC) or Common Business Service (CBS). The sole called method, `init()`, is an in-process data preparation step that modifies the request parameter object in memory.

## 5. Dependency Trace

| # | Caller (Screen/Batch) | Call Chain (Full Path to this Method) | Terminal (SC / CRUD / Entity) |
|---|----------------------|--------------------------------------|-------------------------------|
| 1 | Screen:KKSV0504 | `KKSV0504OPBPCheck.preProcess` -> `jkkidpwdshkkasaifurhakkocc.getInvokeCBS` | *(call commented out — no terminal reached)* |
| 2 | Screen:KKSV0212 | `KKSV0212OPBPCheck.preProcess` -> `jkkidpwdshkkasaifurhakkocc` import only | *(imported but no active call found)* |

**Note:** All observed callers in the codebase have this method invocation **commented out** (`//`), including `KKSV0504_KKSV0504OPBPCheck.java` and `KKSV0212_KKSV0212OPBPCheck.java`. The import statement remains but no active call chain reaches this method. The constant class `KKSV0504_KKSV0504OP_JKKIdPwdShkkaSaifurHakkoCC` and its associated data constant classes (`eoIdInfoList`, `custList`, `svcKeiList`, etc.) define data structures for this component but are not invoked through `getInvokeCBS`.

## 6. Per-Branch Detail Blocks

### Block 1 — PROCESS `(unconditional)` (L66-L73)

> This block represents the entire method body. It is a straight-line sequence with no conditional branches.

| # | Type | Code |
|---|------|------|
| 1 | CALL | `init(param, fixedText)` // Invokes private init method to set up error info [L69] |
| 2 | RETURN | `return null;` // Returns null — method is a stub [L71] |

### Block 1.1 — Nested call: `init(IRequestParameterReadWrite param, String fixedText)` (L46-L53)

> The `init` method initializes the control map's error information entry with an empty list.

| # | Type | Code |
|---|------|------|
| 1 | SET | `param.setControlMapData(SCControlMapKeys.ERROR_INFO, new ArrayList<Object>())` // Initialize error information list in control map [L51] |

**Breakdown of Block 1.1:**

| # | Type | Code | Detail |
|---|------|------|--------|
| 1.1.1 | EXEC | `param.setControlMapData(...)` | Sets the control map key `ERROR_INFO` to a new empty `ArrayList<Object>` instance |
| 1.1.2 | SET | `new ArrayList<Object>()` | Creates a fresh mutable list to hold error messages/exceptions [-> `SCControlMapKeys.ERROR_INFO` constant key] |

## 7. Glossary

| Term | Type | Business Meaning |
|------|------|------------------|
| `JKKIdPwdShkkaSaifurHakkoCC` | Class | ID Password Execution Issuance Common Component — a business component (CC) handling ID/password-related document issuance workflows |
| `getInvokeCBS` | Method | Check processing entry point — invoked pre-CBS to prepare and validate request parameters |
| `init` | Method | Initialization helper — sets up error information container in the request parameter |
| `handle` | Parameter | Session handle carrying database session context and transaction state |
| `param` | Parameter | Request parameter object — carries model group data and control map between layers |
| `fixedText` | Parameter | User-defined identifier string — identifies the calling screen/component context |
| `SCControlMapKeys.ERROR_INFO` | Constant | Control map key for the error information entry — used to store a list of error messages/exceptions |
| `CAANMsg` | Class | Fujitsu CAAN framework message class — used for structured message handling between layers |
| `IRequestParameterReadWrite` | Interface | Request parameter interface allowing both read and write access to business data and control metadata |
| `AbstractCommonComponent` | Class | Base class for all Common Components (CC) in the CAAN framework — provides standard lifecycle and utility methods |
| `SessionHandle` | Class | Session management handle — wraps database connection and transaction management context |
| KKSV0504 | Screen | Business screen context — the primary caller identified for this component (commented out in check) |
| ID速報書 (ID Sokho Sho) | Business term | ID Quick Report — a document issued to users containing their account ID and password information; referenced in the companion method `makeIdSokhoSho` |
| チェック処理 (Chekku Shori) | Japanese term | Check Processing — pre-validation logic executed before CBS (Central Business System) calls |
| 初期化 (Shokika) | Japanese term | Initialization — setup of data structures and error containers before main processing |
| 解約実行 (Kaiyaku Jikkou) | Japanese term | Contract Cancellation Execution — the domain context for related classes in the same file |