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## mcp-abap-abap-adt-api Server This server provides tools for interacting with an SAP system via ADT (ABAP Development Tools) APIs. It allows you to retrieve information about ABAP objects, modify source code, and manage transports. **Key Tools and Usage:** * **`searchObject`:** Finds ABAP objects based on a query string (e.g., class name). * `query`: (string, required) The search term. * Returns the object's URI. Example: `/sap/bc/adt/oo/classes/zcl_invoice_xml_gen_model` * **`transportInfo`:** Retrieves transport information for a given object. * `objSourceUrl`: (string, required) The object's URI (obtained from `searchObject`). * Returns transport details, including the transport request number (`TRKORR` or `transportInfo.LOCKS.HEADER.TRKORR` in the JSON response). * **`lock`:** Locks an ABAP object for editing. * `objectUrl`: (string, required) The object's URI. * Returns a `lockHandle`, which is required for subsequent modifications. * **`unLock`:** Unlocks a previously locked ABAP object. * `objectUrl`: (string, required) The object's URI. * `lockHandle`: (string, required) The lock handle obtained from the `lock` operation. * **`setObjectSource`:** Modifies the source code of an ABAP object. * `objectSourceUrl`: (string, required) The object's URI *with the suffix `/source/main`*. Example: `/sap/bc/adt/oo/classes/zcl_invoice_xml_gen_model/source/main` * `lockHandle`: (string, required) The lock handle obtained from the `lock` operation. * `source`: (string, required) The complete, modified ABAP source code. * `transport`: (string, optional) The transport request number. * **`syntaxCheckCode`:** Performs a syntax check on a given ABAP source code. * `code`: (string, required) The ABAP source code to check. * `url`: (string, optional) The URL of the object. * `mainUrl`: (string, optional) The main URL. * `mainProgram`: (string, optional) The main program. * `version`: (string, optional) The version. * Returns syntax check results, including any errors. * **`activate`:** Activates an ABAP object. (See notes below on activation/unlocking.) * `object`: The object to be activated. * **`getObjectSource`:** Retrieves the source code of an ABAP object. * `objectSourceUrl`: (string, required) The object's URI *with the suffix `/source/main`*. **Workflow for Modifying ABAP Code:** 1. **Find the object URI:** Use `searchObject`. 2. **Read the original source code:** Use `getObjectSource` (with the `/source/main` suffix). 3. **Clone and Modify the source code locally:** (e.g., `write_to_file` for creating a local copy, and using `read_file`, `replace_in_file` for modifying this local copy). 4. **Get transport information:** Use `transportInfo`. 5. **Lock the object:** Use `lock`. 6. **Set the modified source code:** Use `setObjectSource` (with the `/source/main` suffix). 7. **Perform a syntax check:** Use `syntaxCheckCode`. 8. **Activate** the object, Use `activate`.. 9. **unLock the object:** Use `unLock`. **Important Notes:** * **File Handling:** SAP is completly de-coupled from the local file system. Reading source code will only return the code as tool result - it has no effect on file. Files are not synchronized with SAP but merely a local copy for our reference. FYI: It's not strictly necessary for you to create local copies of source codes, as they have no effect on SAP, but it helps us track changes. * **File Handling:** The local filenames you will use will not contain any paths, but only a filename! It's preferable to use a pattern like "[ObjectName].[ObjectType].abap". (e.g., SAPMV45A.prog.abap for a ABAP Program SAPMV45A, CL_IXML.clas.abap for a Class CL_IXML) * **URL Suffix:** Remember to add `/source/main` to the object URI when using `setObjectSource` and `getObjectSource`. * **Transport Request:** Obtain the transport request number (e.g., from `transportInfo` or from the user) and include it in relevant operations. * **Lock Handle:** The `lockHandle` obtained from the `lock` operation is crucial for `setObjectSource` and `unLock`. Ensure you are using a valid `lockHandle`. If a lock fails, you may need to re-acquire the lock. Locks can expire or be released by other users. * **Activation/Unlocking Order:** The exact order of `activate` and `unLock` operations might need clarification. Refer to the tool descriptions or ask the user. It appears `activate` can be used without unlocking first. * **Error Handling:** The tools return JSON responses. Check for error messages within these responses. ## Efficient Database Access SAP systems contain vast amounts of data. It's crucial to write ABAP code that accesses the database efficiently to minimize performance impact and network traffic. Avoid selecting entire tables or using broad `WHERE` clauses when you only need specific data. * **Use `WHERE` clauses:** Always use `WHERE` clauses in your `SELECT` statements to filter the data retrieved from the database. Select only the specific rows you need. * **`UP TO 1 ROWS`:** If you only need a single record, use the `SELECT SINGLE` statement, if you can guarantee that you can provide ALL the key fields for the `SELECT SINGLE` statement. Otherwise, use the `SELECT` statement with the `UP TO 1 ROWS` addition. This tells the database to stop searching after finding the first matching record, improving performance. Example: ```abap SELECT vgbel FROM vbrp WHERE vbeln = @me->lv_vbeln INTO @DATA(lv_vgbel) UP TO 1 ROWS. EXIT. " Exit any loop after this. ENDSELECT. ``` ## Checking Table and Structure Definitions When working with ABAP objects, you may encounter errors related to unknown field names or incorrect table usage. You can use the following tools to inspect table and structure definitions: * **`GetTable`:** Use this tool to retrieve the structure of an ABAP Dictionary table, including its field names and data types. This is helpful for verifying the correct fields to use in your `SELECT` statements. * If you need to inspect an include structure, you may need to use `searchObject` to find the include and then use `GetTypeInfo` or `GetStructure`. You may get a 404 error and try again with `GetStructure` * **`GetStructure`:** Use this tool to retrieve the structure of an ABAP Dictionary structure, including its field names and data types. This is helpful for verifying the correct fields to use in your `SELECT` statements. * If you need to inspect an include structure, you may need to use `searchObject` to find the include and then use `GetTypeInfo` or `GetStructure`.