# Business Logic — JBSbatKKMiStcKikiSvcCncl.execute() [211 LOC]

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

## 1. Role

### JBSbatKKMiStcKikiSvcCncl.execute()

This method serves as the **unregistered machine service cancellation** entry point for the e-Commerce customer core system batch processing pipeline. Its primary responsibility is to cancel (deregister) telecom services associated with equipment that was never physically installed — that is, service contracts where no machine was set up at the customer premises (未設置機器サービスキャンセル).

The method implements a **delegation + data-mapping pattern**: it does not perform service cancellation logic itself. Instead, it extracts 28+ fields from the input interface map, constructs an intermediate data map, wraps it in an operation envelope, and delegates the actual cancellation work to an external ESB (Enterprise Service Bus) service component via `JCCBatchEsbInterface.invokeService()`. This makes `JBSbatKKMiStcKikiSvcCncl` a **batch adapter** — it bridges the batch framework (`JBSbatBusinessService`) with the service invocation layer (`JCCBatchEsbInterface`).

The method handles two processing paths:
- **Success path**: Delegates to the external service, receives a `RETURN_CODE` of `"0000"` (success), logs the completion, and returns `null` (indicating no output item is required for this cancellation operation).
- **Error path**: If the external service returns any non-`"0000"` return code, it records a structured business error log (`EKKB0010CW`), sets the error flag on the common item, and returns an empty `JBSbatOutputItem`.

## 2. Processing Pattern (Detailed Business Logic)

```mermaid
flowchart TD
    START(["execute(params)"])

    START --> LOG_START["Print debug log execute_START"]
    LOG_START --> INIT_MAPS["Initialize paramMapOpn and inputMapOpn"]
    INIT_MAPS --> SET_USECASE["Set TELEGRAM_INFO_USECASE_ID = KKSV0550"]
    SET_USECASE --> SET_OPID["Set TELEGRAM_INFO_OPERATION_ID = KKSV0550OP"]
    SET_OPID --> EXTRACT_FIELDS["Extract 28 fields from inMap via JBSbatKKIFM173 constants"]
    EXTRACT_FIELDS --> BUILD_DATAMAP["Build dataMapOpn HashMap with service data"]
    BUILD_DATAMAP --> WRAP_INPUT["Wrap dataMapOpn in inputMapOpn under key KKSV055001CC"]
    WRAP_INPUT --> DEBUG_LOG["If debug mode: print all 28 field values to debug log"]
    DEBUG_LOG --> INIT_OUTPUT["Initialize outputMapOpn"]
    INIT_OUTPUT --> INVOKE_SVC["Invoke JCCBatchEsbInterface.invokeService"]
    INVOKE_SVC --> GET_RETURN["Get RETURN_CODE from outputMapOpn"]
    GET_RETURN --> CHK_RETURN{RETURN_CODE == 0000?}
    CHK_RETURN -->|No| BUILD_ERR["Build StringBuffer with svcKeiNo + kktkSvcKeiNo"]
    BUILD_ERR --> LOG_ERR["Print business error log EKKB0010CW"]
    LOG_ERR --> SET_ERRFLG["Set commonItem.errFlg = true"]
    SET_ERRFLG --> RET_EMPTY["Return new JBSbatOutputItem"]
    CHK_RETURN -->|Yes| LOG_END["Print debug log execute_END"]
    LOG_END --> RET_NULL["Return null"]
    RET_EMPTY --> END_NODE(["Return / Next"])
    RET_NULL --> END_NODE
```

## 3. Parameter Analysis

| No | Parameter Name | Type | Business Description |
|----|---------------|------|---------------------|
| 1 | `inMap` | `JBSbatServiceInterfaceMap` | The input message envelope carrying all service contract and equipment data for the unregistered machine cancellation. It contains 28+ fields accessed via `JBSbatKKIFM173` constants, including service contract numbers, router-specific identifiers, device model codes, manufacturing serial numbers, order content codes, service codes, pricing group/course/plan codes, and pre-change values for modification scenarios. |

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

| Field | Type | Business Description |
|-------|------|---------------------|
| `super.logPrint` | (inherited from JBSbatBusinessService) | Logging utility for debug and business error log output |
| `super.commonItem` | (inherited from JBSbatBusinessService) | Batch common item holding shared context including the error flag (`errFlg`) |

## 4. CRUD Operations / Called Services

| CRUD | SC / CBS | SC Code | Entity / DB | Operation Description |
|------|----------|---------|-------------|----------------------|
| - | `JCCBatchEsbInterface.invokeService` | KKSV055001CC | - | Invokes the external ESB service for unregistered machine service cancellation (CC = Cancellation Contract). This is the primary service delegation call. |
| R | `JBSbatKKIFM173.getString` (svc_kei_no) | - | - | Reads the service contract number from input |
| R | `JBSbatKKIFM173.getString` (kktk_svc_kei_no_router) | - | - | Reads the equipment-provided service contract number (router) from input |
| R | `JBSbatKKIFM173.getString` (gene_add_dtm_router) | - | - | Reads the device registration year/month/day/time/seconds (router) from input |
| R | `JBSbatKKIFM173.getString` (taknkiki_model_cd_router) | - | - | Reads the home device model code (router) from input |
| R | `JBSbatKKIFM173.getString` (kiki_seizo_no_router) | - | - | Reads the device manufacturing serial number (router) from input |
| R | `JBSbatKKIFM173.getString` (ols_kino_um_router) | - | - | Reads the NLM/OLS function availability flag (router) from input |
| R | `JBSbatKKIFM173.getString` (sysid) | - | - | Reads the system ID from input |
| R | `JBSbatKKIFM173.getString` (add_chge_div) | - | - | Reads the registration/change differentiation code from input |
| R | `JBSbatKKIFM173.getString` (mskm_no) | - | - | Reads the application number from input |
| R | `JBSbatKKIFM173.getString` (mskm_sbt_cd) | - | - | Reads the application type code from input |
| R | `JBSbatKKIFM173.getString` (svc_dlre_cd) | - | - | Reads the service cancellation reason code from input |
| R | `JBSbatKKIFM173.getString` (ido_div) | - | - | Reads the migration differentiation code from input |
| R | `JBSbatKKIFM173.getString` (tg_kei_skbt_cd) | - | - | Reads the target contract identification code from input |
| R | `JBSbatKKIFM173.getString` (svc_kei_stat) | - | - | Reads the service contract status from input |
| R | `JBSbatKKIFM173.getString` (svc_kei_ucwk_no) | - | - | Reads the service contract detail number from input |
| R | `JBSbatKKIFM173.getString` (svc_kei_ucwk_stat) | - | - | Reads the service contract detail status from input |
| R | `JBSbatKKIFM173.getString` (kktk_svc_kei_no) | - | - | Reads the equipment-provided service contract number from input |
| R | `JBSbatKKIFM173.getString` (kktk_svc_kei_stat) | - | - | Reads the equipment-provided service contract status from input |
| R | `JBSbatKKIFM173.getString` (svc_cd) | - | - | Reads the service code from input |
| R | `JBSbatKKIFM173.getString` (prc_grp_cd) | - | - | Reads the pricing group code from input |
| R | `JBSbatKKIFM173.getString` (pcrs_cd) | - | - | Reads the pricing course code from input |
| R | `JBSbatKKIFM173.getString` (pplan_cd) | - | - | Reads the pricing plan code from input |
| R | `JBSbatKKIFM173.getString` (kktk_svc_cd) | - | - | Reads the equipment-provided service code from input |
| R | `JBSbatKKIFM173.getString` (kktk_sbt_cd) | - | - | Reads the equipment-provided type code from input |
| R | `JBSbatKKIFM173.getString` (chge_bf_svc_cd) | - | - | Reads the pre-change service code from input |
| R | `JBSbatKKIFM173.getString` (chge_bf_prc_grp_cd) | - | - | Reads the pre-change pricing group code from input |
| R | `JBSbatKKIFM173.getString` (chge_bf_pcrs_cd) | - | - | Reads the pre-change pricing course code from input |
| R | `JBSbatKKIFM173.getString` (chge_bf_pplan_cd) | - | - | Reads the pre-change pricing plan code from input |
| R | `JBSbatKKIFM173.getString` (svc_kei_kaisen_ucwk_no) | - | - | Reads the service contract wiring detail number from input |
| - | `JBSbatLogUtil.chkLogLevel` | JBSbatLogUtil | - | Checks if debug logging is enabled |
| - | `JBSbatLogUtil.printDebugLog` (multiple calls) | JBSbatLogUtil | - | Outputs debug-level log lines for all 28 extracted field values |
| - | `JBSbatBusinessException.<init>` | - | - | Constructs a business exception with code EKKB0020CE |

## 5. Dependency Trace

| # | Caller (Screen/Batch) | Call Chain (Full Path to this Method) | Terminal (SC / CRUD / Entity) |
|---|----------------------|--------------------------------------|-------------------------------|
| 1 | Batch: JBSbatKKMiStcKikiSvcCncl (entry point) | `JBSbatKKMiStcKikiSvcCncl.execute(inMap)` | `JCCBatchEsbInterface.invokeService [C/R] KKSV055001CC (ESB external service)` |

**Notes:** This method is a standalone batch service entry point (`KKSV055001CC`). It is not called by other internal Java classes within this codebase — the caller is determined externally by the batch framework which discovers and invokes this service via the `JBSbatBusinessService` contract.

## 6. Per-Branch Detail Blocks

**Block 1** — [SET] (L75)
> Initialize debug log start message.

| # | Type | Code |
|---|------|------|
| 1 | EXEC | `super.logPrint.printDebugLog("execute_START")` // Debug: mark start of execute method |

**Block 2** — [SET] (L77-L80)
> Create the operation parameter map and set the use case ID and operation ID for the ESB invocation.

| # | Type | Code |
|---|------|------|
| 1 | SET | `HashMap<Object, Object> paramMapOpn = new HashMap<Object, Object>()` // Use case parameter map |
| 2 | SET | `paramMapOpn.put(JCCBatchEsbInterface.TELEGRAM_INFO_USECASE_ID, "KKSV0550")` // Use case: Machine cancellation batch |
| 3 | SET | `paramMapOpn.put(JCCBatchEsbInterface.TELEGRAM_INFO_OPERATION_ID, "KKSV0550OP")` // Operation ID: Machine cancellation batch operation |
| 4 | SET | `HashMap<String, Object> inputMapOpn = new HashMap<String, Object>()` // Business data map for service call |

**Block 3** — [SET + R] (L82-L161)
> Extract 28 fields from the input map `inMap` using constants from `JBSbatKKIFM173`. Each field represents a piece of service contract or equipment data needed for the cancellation.

| # | Type | Code | Business Description |
|---|------|------|---------------------|
| 1 | R | `String svcKeiNo_173 = inMap.getString(JBSbatKKIFM173.SVC_KEI_NO)` | Service contract number (未設置機器キャンセル対象ファイル) |
| 2 | R | `String kktkSvcKeiNoRuter_173 = inMap.getString(JBSbatKKIFM173.KKTK_SVC_KEI_NO_ROUTER)` | Equipment-provided service contract number (router) |
| 3 | R | `String geneAddDtmRuter_173 = inMap.getString(JBSbatKKIFM173.GENE_ADD_DTM_ROUTER)` | Device registration datetime (router) |
| 4 | R | `String taknkikiModelCdRuter_173 = inMap.getString(JBSbatKKIFM173.TAKNKIKI_MODEL_CD_ROUTER)` | Home device model code (router) |
| 5 | R | `String kikiSeizoNoRuter_173 = inMap.getString(JBSbatKKIFM173.KIKI_SEIZO_NO_ROUTER)` | Device manufacturing serial number (router) |
| 6 | R | `String olsKinoUmRuter_173 = inMap.getString(JBSbatKKIFM173.OLS_KINO_UM_ROUTER)` | NLM/OLS function presence (router) |
| 7 | R | `String sysId_173 = inMap.getString(JBSbatKKIFM173.SYSID)` | System ID |
| 8 | R | `String AddChgeDiv_173 = inMap.getString(JBSbatKKIFM173.ADD_CHGE_DIV)` | Registration/Change differentiation |
| 9 | R | `String mskmNo_173 = inMap.getString(JBSbatKKIFM173.MSKM_NO)` | Application number |
| 10 | R | `String MskmSbt_173 = inMap.getString(JBSbatKKIFM173.MSKM_SBT_CD)` | Application type code |
| 11 | R | `String svcDlreCd_173 = inMap.getString(JBSbatKKIFM173.SVC_DLRE_CD)` | Service cancellation reason code |
| 12 | R | `String idoDiv_173 = inMap.getString(JBSbatKKIFM173.IDO_DIV)` | Migration differentiation code |
| 13 | R | `String tgKeiSkbtCd_173 = inMap.getString(JBSbatKKIFM173.TG_KEI_SKBT_CD)` | Target contract identification code |
| 14 | R | `String svcKeiStat_173 = inMap.getString(JBSbatKKIFM173.SVC_KEI_STAT)` | Service contract status |
| 15 | R | `String svcKeiucwkNo_173 = inMap.getString(JBSbatKKIFM173.SVC_KEI_UCWK_NO)` | Service contract detail number |
| 16 | R | `String svcKeiUcwkStat_173 = inMap.getString(JBSbatKKIFM173.SVC_KEI_UCWK_STAT)` | Service contract detail status |
| 17 | R | `String kktkSvcKeiNo_173 = inMap.getString(JBSbatKKIFM173.KKTK_SVC_KEI_NO)` | Equipment-provided service contract number |
| 18 | R | `String kktkSvcKeiStat_173 = inMap.getString(JBSbatKKIFM173.KKTK_SVC_KEI_STAT)` | Equipment-provided service contract status |
| 19 | R | `String svcCd_173 = inMap.getString(JBSbatKKIFM173.SVC_CD)` | Service code |
| 20 | R | `String prcGrpCd_173 = inMap.getString(JBSbatKKIFM173.PRC_GRP_CD)` | Pricing group code |
| 21 | R | `String pcrsCd_173 = inMap.getString(JBSbatKKIFM173.PCRS_CD)` | Pricing course code |
| 22 | R | `String pPlanCd_173 = inMap.getString(JBSbatKKIFM173.PPLAN_CD)` | Pricing plan code |
| 23 | R | `String kktkSvcCd_173 = inMap.getString(JBSbatKKIFM173.KKTK_SVC_CD)` | Equipment-provided service code |
| 24 | R | `String kktkSbtCd_173 = inMap.getString(JBSbatKKIFM173.KKTK_SBT_CD)` | Equipment-provided type code |
| 25 | R | `String chgeBfSvcCd_173 = inMap.getString(JBSbatKKIFM173.CHGE_BF_SVC_CD)` | Pre-change service code |
| 26 | R | `String chgeBfPrcGrpCd_173 = inMap.getString(JBSbatKKIFM173.CHGE_BF_PRC_GRP_CD)` | Pre-change pricing group code |
| 27 | R | `String chgeBfPcrsCd_173 = inMap.getString(JBSbatKKIFM173.CHGE_BF_PCRS_CD)` | Pre-change pricing course code |
| 28 | R | `String chgeBfPplanCd_173 = inMap.getString(JBSbatKKIFM173.CHGE_BF_PPLAN_CD)` | Pre-change pricing plan code |
| 29 | R | `String svcKeiKaisenUcwkNo_173 = inMap.getString(JBSbatKKIFM173.SVC_KEI_KAISEN_UCWK_NO)` | Service contract wiring detail number |

**Block 4** — [SET] (L163-L206)
> Build the data map (`dataMapOpn`) by populating key-value pairs from the extracted fields. Several fields are hardcoded to empty strings (`""`) as placeholders (order content code, order detail number, etc.). Additional fields are added with `_CC` suffix indicating they are passed to the cancellation contract (CC) service component.

| # | Type | Code | Business Description |
|---|------|------|---------------------|
| 1 | SET | `HashMap<String, Object> dataMapOpn = new HashMap<String, Object>()` // Data map for service |
| 2 | SET | `dataMapOpn.put("ols_kino_um_router", olsKinoUmRuter_173)` | NLM/OLS function presence |
| 3 | SET | `dataMapOpn.put("odr_hakko_joken_no", "")` | Order detail number (empty placeholder) |
| 4 | SET | `dataMapOpn.put("svc_kei_no", svcKeiNo_173)` | Service contract number |
| 5 | SET | `dataMapOpn.put("order_sbt_cd", "")` | Order type code (empty placeholder) |
| 6 | SET | `dataMapOpn.put("svc_order_cd", "")` | Service order code (empty placeholder) |
| 7 | SET | `dataMapOpn.put("yokyu_sbt_cd", "")` | Request type code (empty placeholder) |
| 8 | SET | `dataMapOpn.put("odr_hakko_joken_cd", "")` | Order detail code (empty placeholder) |
| 9 | SET | `dataMapOpn.put("same_trn_no", "")` | Same process number (empty placeholder) |
| 10 | SET | `dataMapOpn.put("taknkiki_model_cd", taknkikiModelCdRuter_173)` | Home device model code |
| 11 | SET | `dataMapOpn.put("kiki_seizo_no", kikiSeizoNoRuter_173)` | Device manufacturing serial number |
| 12 | SET | `dataMapOpn.put("odr_inf_sksi_wk_no", "")` | Order information creation work number (empty placeholder) |
| 13 | SET | `dataMapOpn.put("kktk_svc_kei_no", kktkSvcKeiNoRuter_173)` | Equipment-provided service contract number |
| 14 | SET | `dataMapOpn.put("kktsvkei_gadtm", geneAddDtmRuter_173)` | Equipment-provided service contract registration datetime |
| 15 | SET | `dataMapOpn.put("sysid_cc", sysId_173)` | System ID (_CC suffix) |
| 16 | SET | `dataMapOpn.put("add_chge_div_cc", AddChgeDiv_173)` | Registration/Change differentiation (_CC suffix) |
| 17 | SET | `dataMapOpn.put("mskm_no_cc", mskmNo_173)` | Application number (_CC suffix) |
| 18 | SET | `dataMapOpn.put("mskm_sbt_cd_cc", MskmSbt_173)` | Application type code (_CC suffix) |
| 19 | SET | `dataMapOpn.put("ido_div_cc", idoDiv_173)` | Migration differentiation (_CC suffix) |
| 20 | SET | `dataMapOpn.put("func_code_cc", "1")` | Function code = "1" (_CC suffix) |
| 21 | SET | `dataMapOpn.put("svc_dlre_cd_cc", svcDlreCd_173)` | Service cancellation reason code (_CC suffix) |
| 22 | SET | `dataMapOpn.put("grp_div_cc", "00")` | Group differentiation = "00" (_CC suffix) |
| 23 | SET | `dataMapOpn.put("tg_kei_skbt_cd_cc", tgKeiSkbtCd_173)` | Target contract identification code (_CC suffix) |
| 24 | SET | `dataMapOpn.put("svc_kei_no_cc", svcKeiNo_173)` | Service contract number (_CC suffix) |
| 25 | SET | `dataMapOpn.put("svc_kei_stat_cc", svcKeiStat_173)` | Service contract status (_CC suffix) |
| 26 | SET | `dataMapOpn.put("svc_kei_ucwk_no_cc", svcKeiucwkNo_173)` | Service contract detail number (_CC suffix) |
| 27 | SET | `dataMapOpn.put("svc_kei_ucwk_stat_cc", svcKeiUcwkStat_173)` | Service contract detail status (_CC suffix) |
| 28 | SET | `dataMapOpn.put("kktk_svc_kei_no_cc", kktkSvcKeiNo_173)` | Equipment-provided service contract number (_CC suffix) |
| 29 | SET | `dataMapOpn.put("kktk_svc_kei_stat_cc", kktkSvcKeiStat_173)` | Equipment-provided service contract status (_CC suffix) |
| 30 | SET | `dataMapOpn.put("svc_cd_cc", svcCd_173)` | Service code (_CC suffix) |
| 31 | SET | `dataMapOpn.put("prc_grp_cd_cc", prcGrpCd_173)` | Pricing group code (_CC suffix) |
| 32 | SET | `dataMapOpn.put("pcrs_cd_cc", pcrsCd_173)` | Pricing course code (_CC suffix) |
| 33 | SET | `dataMapOpn.put("pplan_cd_cc", pPlanCd_173)` | Pricing plan code (_CC suffix) |
| 34 | SET | `dataMapOpn.put("kktk_svc_cd_cc", kktkSvcCd_173)` | Equipment-provided service code (_CC suffix) |
| 35 | SET | `dataMapOpn.put("kktk_sbt_cd_cc", kktkSbtCd_173)` | Equipment-provided type code (_CC suffix) |
| 36 | SET | `dataMapOpn.put("chge_bf_svc_cd_cc", chgeBfSvcCd_173)` | Pre-change service code (_CC suffix) |
| 37 | SET | `dataMapOpn.put("chge_bf_prc_grp_cd_cc", chgeBfPrcGrpCd_173)` | Pre-change pricing group code (_CC suffix) |
| 38 | SET | `dataMapOpn.put("chge_bf_pcrs_cd_cc", chgeBfPcrsCd_173)` | Pre-change pricing course code (_CC suffix) |
| 39 | SET | `dataMapOpn.put("chge_bf_pplan_cd_cc", chgeBfPplanCd_173)` | Pre-change pricing plan code (_CC suffix) |
| 40 | SET | `dataMapOpn.put("svc_kei_kaisen_ucwk_no_cc", svcKeiKaisenUcwkNo_173)` | Service contract wiring detail number (_CC suffix) |

**Block 5** — [SET] (L208)
> Wrap the data map in the input map under key `KKSV055001CC`.

| # | Type | Code |
|---|------|------|
| 1 | SET | `inputMapOpn.put("KKSV055001CC", dataMapOpn)` // Key: KKSV055001CC = service call contract |

**Block 6** — [IF] `(super.logPrint.chkLogLevel(JBSbatLogUtil.MODE_DEBUG))` (L212)
> If debug logging is enabled, log all 28 extracted field values with Japanese labels. This is a diagnostic trace for troubleshooting cancellation batch jobs.

| # | Type | Code | Business Description |
|---|------|------|---------------------|
| 1 | EXEC | `super.logPrint.printDebugLog("サービス契約番号：" + svcKeiNo_173)` | Log service contract number |
| 2 | EXEC | `super.logPrint.printDebugLog("機器提供サービス契約番号（ルーター）：" + kktkSvcKeiNoRuter_173)` | Log equipment-provided service contract number (router) |
| 3 | EXEC | `super.logPrint.printDebugLog("世代登録年月日时分秒（ルーター）：" + geneAddDtmRuter_173)` | Log device registration datetime (router) |
| 4 | EXEC | `super.logPrint.printDebugLog("室内機器型式コード（ルーター）：" + taknkikiModelCdRuter_173)` | Log home device model code (router) |
| 5 | EXEC | `super.logPrint.printDebugLog("機器製造番号（ルーター）：" + kikiSeizoNoRuter_173)` | Log device manufacturing serial number (router) |
| 6 | EXEC | `super.logPrint.printDebugLog("NLM/OLS機能有無（ルーター）：" + olsKinoUmRuter_173)` | Log NLM/OLS function presence (router) |
| 7 | EXEC | `super.logPrint.printDebugLog("SYSID：" + sysId_173)` | Log system ID |
| 8 | EXEC | `super.logPrint.printDebugLog("登録/変更区分：" + AddChgeDiv_173)` | Log registration/change differentiation |
| 9 | EXEC | `super.logPrint.printDebugLog("申請番号：" + mskmNo_173)` | Log application number |
| 10 | EXEC | `super.logPrint.printDebugLog("申請種別コード：" + MskmSbt_173)` | Log application type code |
| 11 | EXEC | `super.logPrint.printDebugLog("サービス解約理由コード：" + svcDlreCd_173)` | Log service cancellation reason code |
| 12 | EXEC | `super.logPrint.printDebugLog("異動区分：" + idoDiv_173)` | Log migration differentiation |
| 13 | EXEC | `super.logPrint.printDebugLog("対象契約識別コード：" + tgKeiSkbtCd_173)` | Log target contract identification code |
| 14 | EXEC | `super.logPrint.printDebugLog("サービス契約ステータス：" + svcKeiStat_173)` | Log service contract status |
| 15 | EXEC | `super.logPrint.printDebugLog("サービス契約内線番号：" + svcKeiucwkNo_173)` | Log service contract detail number |
| 16 | EXEC | `super.logPrint.printDebugLog("サービス契約内線ステータス：" + svcKeiUcwkStat_173)` | Log service contract detail status |
| 17 | EXEC | `super.logPrint.printDebugLog("機器提供サービス契約番号：" + kktkSvcKeiNo_173)` | Log equipment-provided service contract number |
| 18 | EXEC | `super.logPrint.printDebugLog("機器提供サービス契約ステータス：" + kktkSvcKeiStat_173)` | Log equipment-provided service contract status |
| 19 | EXEC | `super.logPrint.printDebugLog("サービスコード：" + svcCd_173)` | Log service code |
| 20 | EXEC | `super.logPrint.printDebugLog("料金グループコード：" + prcGrpCd_173)` | Log pricing group code |
| 21 | EXEC | `super.logPrint.printDebugLog("料金コースコード：" + pcrsCd_173)` | Log pricing course code |
| 22 | EXEC | `super.logPrint.printDebugLog("料金プランコード：" + pPlanCd_173)` | Log pricing plan code |
| 23 | EXEC | `super.logPrint.printDebugLog("機器提供サービスコード：" + kktkSvcCd_173)` | Log equipment-provided service code |
| 24 | EXEC | `super.logPrint.printDebugLog("機器提供種別コード：" + kktkSbtCd_173)` | Log equipment-provided type code |
| 25 | EXEC | `super.logPrint.printDebugLog("変更前サービスコード：" + chgeBfSvcCd_173)` | Log pre-change service code |
| 26 | EXEC | `super.logPrint.printDebugLog("変更前料金グループコード：" + chgeBfPrcGrpCd_173)` | Log pre-change pricing group code |
| 27 | EXEC | `super.logPrint.printDebugLog("変更前料金コースコード：" + chgeBfPcrsCd_173)` | Log pre-change pricing course code |
| 28 | EXEC | `super.logPrint.printDebugLog("変更前料金プランコード：" + chgeBfPplanCd_173)` | Log pre-change pricing plan code |
| 29 | EXEC | `super.logPrint.printDebugLog("変更前料金プランコード：" + svcKeiKaisenUcwkNo_173)` | Log service contract wiring detail number |

**Block 7** — [SET] (L243-L246)
> Initialize the output map for receiving the result from the external service invocation.

| # | Type | Code | Business Description |
|---|------|------|---------------------|
| 1 | SET | `HashMap<Object, Object> outputMapOpn = new HashMap<Object, Object>()` // Service result map |
| 2 | EXEC | `JCCBatchEsbInterface.invokeService(super.commonItem, paramMapOpn, inputMapOpn, outputMapOpn)` | Call external ESB service for cancellation |

**Block 8** — [SET + R] (L249-L250)
> Retrieve the return code from the external service's output map.

| # | Type | Code | Business Description |
|---|------|------|---------------------|
| 1 | R | `String returnCode = (String)outputMapOpn.get("RETURN_CODE")` | Get return code from ESB response |
| 2 | EXEC | `super.logPrint.printDebugLog("☆RETURN_CODE：" + returnCode)` | Log return code with star marker |

**Block 9** — [IF/ELSE] `(!"0000".equals(returnCode))` (L253)
> Error branch: The external service returned a non-success code. This triggers error logging and flagging.

**Block 9.1** — [SET] (L257-L259)
> Build an error message string containing the service contract number and equipment-provided service contract number.

| # | Type | Code | Business Description |
|---|------|------|---------------------|
| 1 | SET | `StringBuffer sb = new StringBuffer()` // Error message buffer |
| 2 | EXEC | `sb.append(" サービス契約番号：" + svcKeiNo_173)` | Append service contract number to error message |
| 3 | EXEC | `sb.append("、機器提供サービス契約番号：" + kktkSvcKeiNo_173)` | Append equipment-provided service contract number |

**Block 9.2** — [EXEC] (L262-L263)
> Log a structured business error using the message key `EKKB0010CW` with the constructed error message.

| # | Type | Code | Business Description |
|---|------|------|---------------------|
| 1 | EXEC | `super.logPrint.printBusinessErrorLog(JPCBatchMessageConstant.EKKB0010CW, ...)` // Log cancellation CC error | Log error with key EKKB0010CW |

**Block 9.3** — [EXEC] (L266)
> Set the error flag on the common item to signal a batch processing failure.

| # | Type | Code | Business Description |
|---|------|------|---------------------|
| 1 | EXEC | `super.commonItem.setErrFlg(true)` // Error flag: true | Set error flag on common item |

**Block 9.4** — [RETURN] (L269)
> Return an empty `JBSbatOutputItem` to indicate the operation completed with an error.

| # | Type | Code | Business Description |
|---|------|------|---------------------|
| 1 | RETURN | `return new JBSbatOutputItem()` // Return empty output | Return empty output item |

**Block 10** — [ELSE-implicit] (L272-L274)
> Success branch: The external service returned `"0000"`. Log completion and return `null`.

| # | Type | Code | Business Description |
|---|------|------|---------------------|
| 1 | EXEC | `super.logPrint.printDebugLog("execute_END")` // Debug: end of execute method | Log end marker |
| 2 | RETURN | `return null` // No output item needed for cancellation | Return null (success, no data item) |

## 7. Glossary

| Term | Type | Business Meaning |
|------|------|------------------|
| `svc_kei_no` | Field | Service contract number — the unique identifier for a customer's service contract line |
| `svc_kei_stat` | Field | Service contract status — current state of the service contract (active, suspended, etc.) |
| `svc_kei_ucwk_no` | Field | Service contract detail number — internal tracking ID for service contract line items |
| `svc_kei_ucwk_stat` | Field | Service contract detail status — status of the service contract detail processing |
| `svc_kei_kaisen_ucwk_no` | Field | Service contract wiring detail number — tracks the wiring detail for service contract lines |
| `kktk_svc_kei_no` | Field | Equipment-provided service contract number — contract number assigned by the equipment vendor |
| `kktk_svc_kei_no_router` | Field | Equipment-provided service contract number (router) — router-side contract number |
| `kktk_svc_kei_stat` | Field | Equipment-provided service contract status — vendor-assigned contract status |
| `kktk_svc_cd` | Field | Equipment-provided service code — vendor-assigned service type code |
| `kktk_sbt_cd` | Field | Equipment-provided type code — vendor-assigned service sub-type code |
| `gene_add_dtm_router` | Field | Device registration year/month/day/time/seconds (router) — timestamp of device registration on router side |
| `taknkiki_model_cd_router` | Field | Home device model code (router) — model code of the in-home equipment (router) |
| `kiki_seizo_no_router` | Field | Device manufacturing serial number (router) — unique hardware serial number of the device |
| `ols_kino_um_router` | Field | NLM/OLS function presence (router) — indicates whether the OLS (Optical Line Supervisor) function is active |
| `sysid` | Field | System ID — identifier for the system component processing the request |
| `add_chge_div` | Field | Registration/Change differentiation — distinguishes between new registrations and modifications |
| `mskm_no` | Field | Application number — the application/request number for service orders |
| `mskm_sbt_cd` | Field | Application type code — classifies the type of application being processed |
| `svc_dlre_cd` | Field | Service cancellation reason code — codes the reason for service cancellation |
| `ido_div` | Field | Migration differentiation — indicates whether this is a new migration or re-migration |
| `tg_kei_skbt_cd` | Field | Target contract identification code — identifies the target contract type |
| `svc_cd` | Field | Service code — the code identifying the type of telecom service |
| `prc_grp_cd` | Field | Pricing group code — groups pricing tiers and plans |
| `pcrs_cd` | Field | Pricing course code — identifies the pricing course within a pricing group |
| `pplan_cd` | Field | Pricing plan code — the specific pricing plan code |
| `chge_bf_svc_cd` | Field | Pre-change service code — service code before modification (for change scenarios) |
| `chge_bf_prc_grp_cd` | Field | Pre-change pricing group code — pricing group before modification |
| `chge_bf_pcrs_cd` | Field | Pre-change pricing course code — pricing course before modification |
| `chge_bf_pplan_cd` | Field | Pre-change pricing plan code — pricing plan before modification |
| OLS | Acronym | Optical Line Supervisor — a network management function for fiber-optic connections |
| NLM | Acronym | Network Line Management — system managing network line allocation and status |
| KKSV0550 | Business term | Batch use case ID for unregistered machine service cancellation |
| KKSV0550OP | Business term | Batch operation ID for the unregistered machine service cancellation operation |
| KKSV055001CC | Business term | Service component key for the cancellation contract (CC) processing component |
| CC | Acronym | Cancellation Contract — the service component responsible for service cancellation processing |
| ESBS | Acronym | Enterprise Service Bus — middleware for service-to-service communication |
| JBSbat | Prefix | JSS Batch — the batch processing framework prefix (JSS = Japanese telecom system) |
| EKKB0010CW | Constant | Business error log message key for ESB service cancellation CC errors |
| RETURN_CODE | Field | Standard response field from ESB invocations; "0000" indicates success |
| 未設置機器 | Japanese term | Unset/Uninstalled Machine — equipment that was never physically installed at the customer premises |
| キャンセル | Japanese term | Cancellation — termination of a service contract |
| ルーター | Japanese term | Router — the in-home network routing equipment in fiber-optic deployments |