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# Business Logic — JBSbatKKKktsvKkChgTtdkStp.execute() [12 LOC]

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

## 1. Role

### JBSbatKKKktsvKkChgTtdkStp.execute()

This method is the main processing entry point for the **Equipment-Provided Service Contract Equipment Change Procedure Cancellation** batch service item. In Japanese, the class description states: 機器提供サービス契約機器変更手続き中止処理部品 (Equipment-provided service contract equipment change procedure cancellation processing component). It serves as a thin orchestration wrapper that delegates the core business logic to the internal `execKKSV0533` method, which in turn calls the external service component `KKSV053301SC` via the ESB (Enterprise Service Bus) interface.

The method implements a **delegation pattern** — it does not perform any business logic directly. Instead, it coordinates logging around the single service call. The input is extracted from a `JBSbatServiceInterfaceMap` containing equipment-provided service contract data, and the method invokes the KKSV0533 service which handles the actual cancellation workflow for equipment changes tied to service contracts.

This is a **batch service entry point**, as indicated by the `JBSbat` prefix (Batch Service) and its extension of `JBSbatBusinessService`. It is invoked as part of a batch processing pipeline to cancel equipment change procedures associated with a specific equipment-provided service contract. The original feature was introduced in v1.00.00 (2012/02/23) as a new registration for plan changes ([IT2-2012-0000167]), and later enhanced for quality improvement ([IT1-2013-0000498]).

## 2. Processing Pattern (Detailed Business Logic)

```mermaid
flowchart TD
    START(["execute(inMap)"])
    LOG_START["printDebugLog execute_START"]
    CALL_EXEC["execKKSV0533 inMap"]
    LOG_END["printDebugLog execute_END"]
    RETURN_NULL["return null"]
    END_NODE(["Return / Next"])

    START --> LOG_START
    LOG_START --> CALL_EXEC
    CALL_EXEC --> LOG_END
    LOG_END --> RETURN_NULL
    RETURN_NULL --> END_NODE
```

The `execute` method performs a linear, three-step process:

1. **Log start** — Outputs a debug marker `execute_START` via `super.logPrint.printDebugLog()` to signal the beginning of batch processing.
2. **Delegated service call** — Invokes `execKKSV0533(inMap)` to carry out the core business operation of equipment-provided service contract equipment change procedure cancellation. This private method constructs an ESB service invocation payload, calls `KKSV053301SC` via `JCCBatchEsbInterface.invokeService()`, and returns the result map.
3. **Log end** — Outputs a debug marker `execute_END` and returns `null`.

Note: Although `execKKSV0533` contains internal error-handling logic (checking `RETURN_CODE` against `"0000"`), the `execute` method itself does not branch on return values. It is a pass-through orchestrator.

## 3. Parameter Analysis

| No | Parameter Name | Type | Business Description |
|----|---------------|------|---------------------|
| 1 | `inMap` | `JBSbatServiceInterfaceMap` | Input telegram containing equipment-provided service contract equipment change procedure cancellation data. This map carries fields such as `KKTK_SVC_KEI_NO` (equipment-provided service contract number), `GENE_ADD_DTM` (registration year/month/day/time/minute/second), `RSV_CL_YMD` (reservation cancellation year/month/day), `RSV_APLY_CD` (reservation application code), and `UPD_DTM_BF` (update year/month/day/time/minute/second before update). These fields identify the specific service contract line and its change request state for cancellation. |

**Instance fields / external state read:**

| Source | Field | Business Description |
|--------|-------|---------------------|
| `super` | `logPrint` | Debug log printer inherited from `JBSbatBusinessService` base class. Used for debug and business error log output. |
| `super` | `commonItem` | Batch common parameters inherited from `JBSbatBusinessService`. Used as context for the ESB service invocation in `execKKSV0533`. |

## 4. CRUD Operations / Called Services

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

| CRUD | SC / CBS | SC Code | Entity / DB | Operation Description |
|------|----------|---------|-------------|----------------------|
| - | `JCCBatchEsbInterface.invokeService` | KKSV053301SC | - | Invokes the KKSV0533 service via ESB interface with constructed input data map containing equipment contract change cancellation parameters. |
| - | `JBSbatKKKktsvKkChgTtdkStp.execKKSV0533` | JBSbatKKKktsvKkChgTtdkStp | - | Internal private method that constructs ESB service payload and invokes the KKSV0533 cancellation service. |
| - | `JBSbatKKKktsvKkChgTtdkStp.printDebugLog` | JBSbatKKKktsvKkChgTtdkStp | - | Debug logging via inherited `logPrint` (from `JBSbatBusinessService`) to mark method entry and exit points. |
| - | `JPCBatchMessageConstant.EKKB0010CW` | JPCBatchMessageConstant | - | Business error log constant used when KKSV053301SC returns a non-success return code. Error message logged with return code and service contract number. |

The terminal SC (Service Component) invoked by this method is **KKSV053301SC** (Equipment-provided service contract equipment change procedure cancellation). The deeper CBS (CBS = Common Business Service) layer is **EKK0341C540BS** as referenced in the KKSV0533 BPM mapping (`KKSV0533_KKSV0533OP_EKK0341C540BSMapper`), which handles the data access for this operation.

## 5. Dependency Trace

| # | Caller (Screen/Batch) | Call Chain (Full Path to this Method) | Terminal (SC / CRUD / Entity) |
|---|----------------------|--------------------------------------|-------------------------------|
| 1 | Batch: JBSbatKKKktsvKkChgTtdkStp | (Direct batch entry point) -> `JBSbatKKKktsvKkChgTtdkStp.execute` | `KKSV053301SC` [Call] `EKK0341C540BS` [Mapped] |

**Notes:**
- This class has no known callers outside of its own file. It is referenced by no other Java files in the codebase, suggesting it is invoked through a batch dispatcher or configuration-driven batch job table that maps batch job IDs to fully qualified class names.
- The `execute` method delegates entirely to `execKKSV0533`, which calls `JCCBatchEsbInterface.invokeService()` targeting use case `KKSV0533` and service component `KKSV053301SC`.
- The downstream mapping layer (`KKSV0533_KKSV0533OP_EKK0341C540BSMapper`) maps the KKSV053301SC service to the CBS `EKK0341C540BS` for actual data access.

## 6. Per-Branch Detail Blocks

### Block 1 — Processing Entry (L61-L62)

> Method signature and Javadoc block. The method accepts an input telegram map and returns output information. Declares it may throw `Exception` (generic exception handling via the parent class contract).

| # | Type | Code |
|---|------|------|
| 1 | SIGNATURE | `public JBSbatOutputItem execute(JBSbatServiceInterfaceMap inMap) throws Exception` |
| 2 | PARAM | `inMap` — 入力電文 (input telegram) |
| 3 | RETURN | `JBSbatOutputItem` — 出力情報 (output information) |

### Block 2 — Debug Start Log (L64)

> Outputs a debug marker to signal the start of main processing. This is the first executable statement in the method.

| # | Type | Code |
|---|------|------|
| 1 | CALL | `super.logPrint.printDebugLog("execute_START")` // Debug log entry marker |

### Block 3 — Service Delegation (L66-L67)

> Calls the internal `execKKSV0533` method which performs the core business operation. This method constructs the ESB invocation payload, calls the KKSV0533 service component, and checks the return code.

| # | Type | Code |
|---|------|------|
| 1 | CALL | `this.execKKSV0533(inMap)` // 機器提供サービス契約機器変更手続き完了の呼び出しを行います (Performs the call for equipment-provided service contract equipment change procedure completion). See detailed block below for inner logic. |

**Block 3.1 — Inner logic of execKKSV0533 (L97-L155)**

> Extracts input data, builds ESB payload, invokes service, and handles errors.

| # | Type | Code |
|---|------|------|
| 1 | SET | `kktkSvcKeiNoStr = inMap.getString(JBSbatKKIFM164.KKTK_SVC_KEI_NO)` // 機器提供サービス契約番号取得 (Get equipment-provided service contract number) |
| 2 | SET | `geneAddDtmStr = inMap.getString(JBSbatKKIFM164.GENE_ADD_DTM)` // 世代登録年月日時刻分秒取得 (Get registration date-time) |
| 3 | SET | `rsvClYmdStr = inMap.getString(JBSbatKKIFM164.RSV_CL_YMD)` // 予約適用年月日取得 (Get reservation application date) |
| 4 | SET | `rsvAplyCdStr = inMap.getString(JBSbatKKIFM164.RSV_APLY_CD)` // 予約適用コード取得 (Get reservation application code) |
| 5 | SET | `lastUpdDtmStr = inMap.getString(JBSbatKKIFM164.UPD_DTM_BF)` // 更新年月日時刻分秒（更新前）取得 (Get update date-time before update) |
| 6 | SET | `paramMap0533 = new HashMap<>()` // ユーケシーズIDを格納するMAP (Map to store use case ID) |
| 7 | SET | `paramMap0533.put(JCCBatchEsbInterface.TELEGRAM_INFO_USECASE_ID, "KKSV0533")` // Set use case ID |
| 8 | SET | `inputMap0533 = new HashMap<>()` // サービスに渡す業務データを格納するMAP (Map to store business data passed to service) |
| 9 | SET | `dataMap0533 = new HashMap<>()` // inputMap0533に設定するデータをHashMapで構築 (Construct data for inputMap0533) |
| 10 | SET | `dataMap0533.put("kktk_svc_kei_no", kktkSvcKeiNoStr)` // 機器提供サービス契約番号 (Equipment-provided service contract number) |
| 11 | SET | `dataMap0533.put("gene_add_dtm", geneAddDtmStr)` // 世代登録年月日時刻分秒 (Registration date-time) |
| 12 | SET | `dataMap0533.put("rsv_cl_ymd", rsvClYmdStr)` // 予約取消年月日 (Reservation cancellation date) |
| 13 | SET | `dataMap0533.put("rsv_aply_cd", rsvAplyCdStr)` // 予約適用コード (Reservation application code) |
| 14 | SET | `dataMap0533.put("upd_dtm_bf", lastUpdDtmStr)` // 更新年月日時刻分秒（更新前） (Update date-time before update) |
| 15 | SET | `dataMap0533.put("func_code", "1")` // 機能コードのマッピング (Function code mapping — hardcoded to "1") |
| 16 | SET | `scTitleOpn = "KKSV053301SC"` // SC title (Service Component 533 Step 01) |
| 17 | SET | `inputMap0533.put(scTitleOpn, dataMap0533)` // Set data under SC ID key |
| 18 | SET | `outputMapOpn0533 = new HashMap<>()` // サービスの処理結果が格納されるMAP (Map to store service processing result) |
| 19 | CALL | `JCCBatchEsbInterface.invokeService(super.commonItem, paramMap0533, inputMap0533, outputMapOpn0533)` // サービス呼び出し (Service call) |
| 20 | SET | `returnCode = (String)outputMapOpn0533.get("RETURN_CODE")` // 部品からのリターンコードを取得します (Get return code from component) |
| 21 | CALL | `super.logPrint.printDebugLog("★RETURN_CODE：" + returnCode)` // Debug log return code |

**Block 3.1.1 — Error Condition Check (L147-L151)**

> If the service returned a non-success return code (anything other than "0000"), log a business error.

| # | Type | Code |
|---|------|------|
| 1 | IF | `!"0000".equals(returnCode)` [RSV_APLY_CD="0000" success code] |
| 2 | CALL | `super.logPrint.printBusinessErrorLog(JPCBatchMessageConstant.EKKB0010CW, new String[]{"機器提供サービス契約機器変更手続き中止SCでエラーが発生しました(リターンコード):" + returnCode + " 機器提供サービス番号：" + kktkSvcKeiNoStr})` // Log business error: "An error occurred in the equipment-provided service contract equipment change procedure cancellation SC (return code): [code] Equipment-provided service number: [number]" |

**Block 3.1.2 — Return Result (L153)**

| # | Type | Code |
|---|------|------|
| 1 | RETURN | `return outputMapOpn0533` // Return service result map |

### Block 4 — Debug End Log (L69)

> Outputs a debug marker to signal the end of main processing.

| # | Type | Code |
|---|------|------|
| 1 | CALL | `super.logPrint.printDebugLog("execute_END")` // Debug log exit marker |

### Block 5 — Method Return (L70)

> Returns `null` directly. The actual output data is discarded by `execute` — the `execKKSV0533` result map is stored in `outMap0533` but never used.

| # | Type | Code |
|---|------|------|
| 1 | RETURN | `return null` |

## 7. Glossary

| Term | Type | Business Meaning |
|------|------|------------------|
| `KKTK_SVC_KEI_NO` | Field | Equipment-provided service contract number — the unique identifier for a service contract associated with equipment provided by the carrier |
| `GENE_ADD_DTM` | Field | Registration date-time (year/month/day/time/minute/second) — when the service contract was originally registered |
| `RSV_CL_YMD` | Field | Reservation cancellation date (year/month/day) — the date the reservation is being cancelled |
| `RSV_APLY_CD` | Field | Reservation application code — codes indicating how/why a reservation is being applied or cancelled |
| `UPD_DTM_BF` | Field | Update date-time before update — the timestamp of the last modification before the current operation |
| `func_code` | Field | Function code — hardcoded to "1", likely indicating a specific operation type within the service component |
| `RETURN_CODE` | Field | Service return code — "0000" indicates success; any other value triggers a business error log |
| `JBSbat` | Prefix | Batch Service — naming convention indicating a batch-processing class in the eo customer core system |
| `KKTK` | Abbreviation | 機器提供 (Kiki Teiyou) — Equipment-provided, referring to equipment leased or provided by K-Opticom to customers |
| `SVC_KEI` | Abbreviation | サービス契約 (Saabisu Keiyaku) — Service contract |
| `KKSV0533` | Use Case | Equipment-provided service contract equipment change procedure cancellation — the ESB use case ID for this batch operation |
| `KKSV053301SC` | SC Code | Service Component 533 Step 01 — the specific SC that processes equipment-provided service contract equipment change procedure cancellation |
| `EKK0341C540BS` | CBS | Common Business Service — the data access layer invoked by KKSV053301SC via the mapper `KKSV0533_KKSV0533OP_EKK0341C540BSMapper` |
| `EKKB0010CW` | Constant | Business error log code — error message identifier for "error occurred in equipment-provided service contract equipment change procedure cancellation SC" |
| JCCBatchEsbInterface | Class | ESB interface abstraction — batch-side facade for invoking services through the Enterprise Service Bus |
| JBSbatServiceInterfaceMap | Class | Input interface map — carries the input telegram parameters for batch service operations |
| JBSbatOutputItem | Class | Output item — standard return type for batch service main processing methods |
| 機器提供サービス契約機器変更手続き中止 | Japanese term | Equipment-provided service contract equipment change procedure cancellation — the business operation of cancelling a previously requested equipment change for a carrier-provided service contract |
| 処理部品 | Japanese term | Processing component — modular batch service item within the larger batch processing pipeline |

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