# Business Logic — JBSbatKKAdChgPlaceNoChgRnki.terminal() [10 LOC]

| Field | Value |
|-------|-------|
| Fully Qualified Name | `eo.business.service.JBSbatKKAdChgPlaceNoChgRnki` |
| Layer | Service (Batch Service Component) |
| Module | `service` (Package: `eo.business.service`) |

## 1. Role

### JBSbatKKAdChgPlaceNoChgRnki.terminal()

This method performs the **business service termination processing** (業務サービス終了処理) for the "Residence Change — Location Number No-Change Linkage" component (住所変更場所番号変更連攜部品). It is called at the end of the batch processing lifecycle to clean up database access resources that were allocated during the `initial()` phase. The method follows the standard teardown pattern inherited from `JBSbatBusinessService`, where each processing component is responsible for closing its own DB access handles. Its role in the larger system is a resource management hook — it ensures that the `KK_T_ADCHG_DTL` (Residence Change Details) table access object is properly released, preventing resource leaks during the batch job that handles residence change order data (住所変更登録処理).

## 2. Processing Pattern (Detailed Business Logic)

```mermaid
flowchart TD
    START(["terminal() Entry"])
    CLOSE(["db_KK_T_ADCHG_DTL.close()"])
    CLOSE2(("Close KK_T_ADCHG_DTL DB access"))
    END_NODE(["Return / Next"])

    START --> CLOSE
    CLOSE --> CLOSE2
    CLOSE2 --> END_NODE
```

## 3. Parameter Analysis

| No | Parameter Name | Type | Business Description |
|----|---------------|------|---------------------|
| - | (none) | - | This method takes no parameters. It operates purely on instance state. |

**Instance fields / external state read by the method:**

| Field | Type | Business Description |
|-------|------|---------------------|
| `db_KK_T_ADCHG_DTL` | `JBSbatSQLAccess` | Database access handle for the `KK_T_ADCHG_DTL` (Residence Change Details) table. Created during `initial()` in the parent class `JBSbatKKAdChgCstScreenKidou` (住所変更規定画面移動). |

## 4. CRUD Operations / Called Services

### Pre-computed evidence from code analysis graph:

| CRUD | SC / CBS | SC Code | Entity / DB | Operation Description |
|------|----------|---------|-------------|----------------------|
| - | `db_KK_T_ADCHG_DTL.close` | JBSbatSQLAccess | - | Calls `close()` on the database access handle for `KK_T_ADCHG_DTL`, releasing the DB connection/resources allocated during `initial()` |

**Method call analysis:**

| CRUD | SC / CBS | SC Code | Entity / DB | Operation Description |
|------|----------|---------|-------------|----------------------|
| - | `db_KK_T_ADCHG_DTL.close()` | JBSbatSQLAccess | KK_T_ADCHG_DTL | Closes the database access connection and releases resources for the Residence Change Details table |

## 5. Dependency Trace

| # | Caller (Screen/Batch) | Call Chain (Full Path to this Method) | Terminal (SC / CRUD / Entity) |
|---|----------------------|--------------------------------------|-------------------------------|
| 1 | Batch: JBSbatKKAdChgCstScreenKidou | `execRunObjPlaceNoChg.execute()` -> `JBSbatKKAdChgPlaceNoChgRnki.terminal()` | `db_KK_T_ADCHG_DTL.close() [-] KK_T_ADCHG_DTL` |

**Notes:**
- `JBSbatKKAdChgCstScreenKidou` (住所変更規定画面移動 — Residence Change Regulation Screen Move) is the batch orchestration service that instantiates `JBSbatKKAdChgPlaceNoChgRnki` as `execRunObjPlaceNoChg` (lines 212–213).
- The `terminal()` method is called at the end of the `execute()` processing phase, following standard batch service lifecycle: `initial()` -> `execute()` -> `terminal()`.
- No screen (KKSV*) callers found — this is a batch-only service component.

## 6. Per-Branch Detail Blocks

**Block 1** — [EXEC] `(DB resource cleanup)` (L188)

> Closes the database access handle for `KK_T_ADCHG_DTL`. This is a resource teardown step with no conditional branches.

| # | Type | Code |
|---|------|------|
| 1 | CALL | `db_KK_T_ADCHG_DTL.close()` // Closes DB access for KK_T_ADCHG_DTL [IKK-2013-0000707対応 20130403 ADD] |

**Block 2** — [EXEC] `(Processing termination)` (L189)

> End marker — tool-generated termination comment. No executable code.

| # | Type | Code |
|---|------|------|
| 1 | COMMENT | `// ツールから生成した終了処理のソースです 終了` (End processing source generated from tool) |

## 7. Glossary

| Term | Type | Business Meaning |
|------|------|------------------|
| `KK_T_ADCHG_DTL` | Table | Residence Change Details — database table storing detailed records of residence change operations (住所変更明細) |
| `db_KK_T_ADCHG_DTL` | Field | Database access handle for the `KK_T_ADCHG_DTL` table, typed as `JBSbatSQLAccess` |
| `KKSV0711` | UseCase ID | Business use case identifier for this residence change component |
| `KKSV0711OP` | Operation ID | Operation identifier for this residence change process |
| `KKSV071101CC` | Fixed Text | User-defined message string key for this component |
| `JBSbatBusinessService` | Parent Class | Base class for all batch business services; provides `initial()`, `execute()`, `terminal()` lifecycle |
| `JBSbatKKAdChgPlaceNoChgRnki` | Component | Residence Change — Location Number No-Change Linkage Component (住所変更場所番号変更連攜部品) |
| `JBSbatKKAdChgCstScreenKidou` | Caller Class | Residence Change Regulation Screen Move Batch (住所変更規定画面移動バッチ) — orchestration service that coordinates multiple residence change sub-components |
| IKK-2013-0000707 | Change ID | Change request ticket that added the `db_KK_T_ADCHG_DTL` cleanup to the `terminal()` method on 2013/04/03 |
| 住所変更 (Juusho Henkou) | Japanese term | Residence Change — the core business domain; updating customer address records in the telecom system |
| 場所番号 (Basho Bangou) | Japanese term | Location Number — a telecom-specific address/location identifier assigned to service lines |
| 連攜 (Renkei) | Japanese term | Linkage / Integration — data coordination between multiple related systems or components |
| JBSbatSQLAccess | Framework Class | SQL access framework class that provides database connection management, query execution, and resource cleanup (`close()`) for batch services |