# Business Logic — JKKIdPwdShkkaSaifurHakkoCC.editErrorInfo() [5 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.editErrorInfo()

This method is an **error forwarding stub** within the "eo Customer Base System" (eo顧客基幹システム). It is part of the `JKKIdPwdShkkaSaifurHakkoCC` class, which is the **Contract Cancellation Execution CC** (解約実行CCクラス) — a common component responsible for handling contract termination processing. The `editErrorInfo` method implements the **error mapping pattern**: after a Service Component (SC) executes, any errors produced are collected into the `CAANMsg[]` templates array, and this method is expected to map those errors back into the `IRequestParameterReadWrite` parameter object so they can be surfaced to the calling screen. However, as implemented, this specific overloaded method body is a **stub** that returns `null`. It is intended to be overridden or implemented by subclasses / generated mapper classes (e.g., `ekk0011d020bsmapper`, `ecr0241a010bsmapper`) that extend this base class or delegate to it. There is also a 4-parameter overloaded variant (`editErrorInfo(param, templates, returnCode, fixedText)`) that serves the same stub role.

## 2. Processing Pattern (Detailed Business Logic)

```mermaid
flowchart TD
    START["editErrorInfo param, templates, returnCode"]
    STUB["return null; // Method stub — no processing"]
    END_NODE["Return null"]

    START --> STUB --> END_NODE
```

**Note:** This method body is a **stub implementation** — it contains a single `return null` statement with no conditional logic, no constant resolution, and no method calls. The actual error-mapping logic is expected to be implemented by derived classes or generated business mapper subclasses (e.g., `EKK0011D020BSMapper`, `ECR0241A010BSMapper`).

## 3. Parameter Analysis

| No | Parameter Name | Type | Business Description |
|----|---------------|------|---------------------|
| 1 | `param` | `IRequestParameterReadWrite` | The business data input/output I/O object that carries model groups and control maps between screens and components. It is both read (to extract existing state) and written to (to attach error information). |
| 2 | `templates` | `CAANMsg[]` | An array of `CAANMsg` objects representing service component execution results and error messages. These messages are produced by SC calls and need to be forwarded into the request parameter for screen-level error display. |
| 3 | `returnCode` | `int` | A return code from the preceding service component execution. It indicates the result status of the SC operation (e.g., success, warning, error) and can determine whether error information should be processed or skipped. |

**External state:** None. This method reads no instance fields or external state.

## 4. CRUD Operations / Called Services

This method body contains **no method calls** — it is a stub that directly returns `null`. The actual CRUD operations are deferred to implementing subclasses. The caller search results show that many business mapper classes (e.g., `kksv0495_kksv0495op_ekk0011d020bsmapper`) invoke this method as part of their error-mapping chain, where the subclass overrides the stub with real logic.

| CRUD | SC / CBS | SC Code | Entity / DB | Operation Description |
|------|----------|---------|-------------|----------------------|
| *(N/A — stub)* | `editErrorInfo` (stub) | — | — | No operations executed in this method body. Actual behavior is in subclass overrides. |

## 5. Dependency Trace

The following callers invoke this method (3-parameter overload) across various BPCheck classes. Each caller typically passes SC result templates and return codes for error forwarding.

| # | Caller (Screen/Batch) | Call Chain (Full Path to this Method) | Terminal (SC / CRUD / Entity) |
|---|----------------------|--------------------------------------|-------------------------------|
| 1 | BPCheck:DKSV0141 | `DKSV0141OPBPCheck` → `dksv0141_dksv0141op_edk0091d010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 2 | BPCheck:CRSV0237 | `CRSV0237OPBPCheck` → `crsv0237_crsv0237op_ecr0241a010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 3 | BPCheck:CRSV0237 | `CRSV0237OPBPCheck` → `crsv0237_crsv0237op_ecr0251b010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 4 | BPCheck:CRSV0197 | `CRSV0197OPBPCheck` → `crsv0197_crsv0197op_ecr0311b010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 5 | BPCheck:KKSV0495 | `KKSV0495OPBPCheck` → `kksv0495_kksv0495op_ekk0011d020bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 6 | BPCheck:KKSV0495 | `KKSV0495OPBPCheck` → `kksv0495_kksv0495op_ekk0021c060bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 7 | BPCheck:KKSV0495 | `KKSV0495OPBPCheck` → `kksv0495_kksv0495op_ekk0381d010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 8 | BPCheck:KKSV0495 | `KKSV0495OPBPCheck` → `kksv0495_kksv0495op_ekk0381c030bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 9 | BPCheck:KKSV0495 | `KKSV0495OPBPCheck` → `kksv0495_kksv0495op_ekk0381c040bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 10 | BPCheck:KKSV0495 | `KKSV0495OPBPCheck` → `kksv0495_kksv0495op_ekk1091d010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 11 | BPCheck:ZMSV0105 | `ZMSV0105OPBPCheck` → `zmsv0105_zmsv0105op_ezm0041b010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 12 | BPCheck:CRSV0124 | `CRSV0124OPBPCheck` → `crsv0124_crsv0124op_ecc0111d010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 13 | BPCheck:CRSV0124 | `CRSV0124OPBPCheck` → `crsv0124_crsv0124op_ecr0231d010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 14 | BPCheck:CHSV9001 | `CHSV9001OPBPCheck` → `chsv9001_chsv9001op_ekk0321b011bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 15 | BPCheck:KKSV0557 | `KKSV0557OPBPCheck` → `kksv0557_kksv0557op_ekk0081b027bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |

**Additional callers found (16+):**

| # | Caller (Screen/Batch) | Call Chain (Full Path to this Method) | Terminal (SC / CRUD / Entity) |
|---|----------------------|--------------------------------------|-------------------------------|
| 16 | BPCheck:CRSV0101 | `CRSV0101OPBPCheck` → `crsv0101_crsv0101op_eck0011a010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 17 | BPCheck:ZMSV0076 | `ZMSV0076OPBPCheck` → `zmsv0076_zmsv0076op_ezm0171b012bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |
| 18 | BPCheck:ZMSV0076 | `ZMSV0076OPBPCheck` → `zmsv0076_zmsv0076op_etu0041b010bsmapper.editErrorInfo` | `editErrorInfo` (error mapping stub) |

## 6. Per-Branch Detail Blocks

### Block 1 — RETURN `(method entry)` (L93)

> The method body is a single-stub implementation that returns `null` without any processing, branching, or side effects.

| # | Type | Code |
|---|------|------|
| 1 | RETURN | `return null;` // Method stub — no processing logic |

### Block 2 — OVERLOADED METHOD `(4-parameter variant)` (L87)

> An overloaded variant accepting an additional `fixedText` parameter. Also a stub returning `null`.

| # | Type | Code |
|---|------|------|
| 1 | RETURN | `return null;` // Method stub — no processing logic |

## 7. Glossary

| Term | Type | Business Meaning |
|------|------|------------------|
| `JKKIdPwdShkkaSaifurHakkoCC` | Class | Contract Cancellation Execution Common Component — handles processing for contract termination (解約実行) in the eo Customer Base System |
| `editErrorInfo` | Method | Error forwarding stub — maps SC execution errors into the request parameter object for screen display |
| `IRequestParameterReadWrite` | Interface | Business data I/O interface — carries model groups, control maps, and error information between screens and components |
| `CAANMsg` | Class | Service component message — carries execution results, return codes, and error messages from SC calls |
| `SC` | Acronym | Service Component — a reusable business logic unit that performs specific CRUD operations |
| `BPCheck` | Pattern | Business Process Check — a validation/check class that coordinates SC calls and error handling for a screen |
| `BSMapper` | Suffix | Business Service Mapper — a generated class that maps SC results to request parameters, typically implementing error forwarding |
| `SAIFUR` | Acronym | Safety — relates to safety/confirmation processing in the system (安全) |
| `HAKKO` | Acronym | Issuance/Generation — relates to generation/issuance processing (発行) |
| `SHKKA` | Acronym | Cancellation — contract cancellation processing (解約) |
| `eo` | Business term | NTT东日本's (NTT East Japan) bundled communication service brand (FTTH + Phone + etc.) |
| `FixedText` | Field | User-defined text string passed for display customization in error messages |