Go to the tab – Type in the class and add type TY_SO_ALL with visibility Public. You will then see Device Types tab. CFD is the Gateway hub where we are registering our backend services. Using CDS Annotation Using ABAP 1. Create an entity with an entity set. Annotation @UI. You would have to work out yourself what parameters to supply, as it would vary based on what type. MPC_EXT) super->define( ). Select the function module you use for uploading files. RajeshDescribed about the Define( ) method and its properties like when to trigger, what kind of code got generated in the method, and when we need to redefine thi. or /n/IWBEP/SB. String, length 1000. For the fields, which does not get mapped, manual mapping can be done. 987 Views. In my earlier blog Let’s code CRUDQ and Function Import operations in OData service! we understood the basic operation performed in OData service. So far so good, nothing new, except for the MPC and DPC classes. METHOD define. In i18n property scripts we define variable and assign languages specific values to them. Open the MPC extension class of the target service, ZCL_ZEXTEND_SALES_ORDE_MPC_EXT. Right click on the folder Data Model. 2) Link a property to another property in the entity, the "field-control". Feel free to add more methods in this and send a PR. Go to the Types and declare a type: types: BEGIN OF ts_deep_entity. The SAP classification system allows you to use characteristics to describe all types of objects and to group similar objects in classes. And i am executing the method from gateway client but my DPC_EXT class redefined method is not called and it is calling original method . After completing the wizard you would see a change to the manifest file. supplying file name in response for browser. This is a preview of a SAP Knowledge Base Article. Data provider class provides the methods to Data provider Extension class, so developer can implement the functionalities for database. Once generation is successful, you will get 4 classes. In this blog I will explain how to use this class. Click on the Direct Type Entry button. I have created an application with CDS as a data model. Step 1. Create the corresponding association set explicitly by calling /IWBEP/IF_MGW_ODATA_MODEL->CREATE_ASSOCIATION_SET. You have to perform all steps as described by Aron (except redefining Model and Data provider class methods). and an association between them. Hi All, I am trying to model service to standard component for a datetime field where I can pass the range which must consider the select options in ABAP. 19 Apr 2021. Our view is now ready. The weird thing about this is, that the Tree-Annotation-Binding seemed to work, since the drillState element functions the way it should be --> the elements below the "Langtext"-element don't. Create Table Type. Extension of the Workflow container to fill in the extended fields using the BADI. Code to Process Action. The MPC includes the MPC of the source service, and the DPC inherits the DPC of the source service. So now that we have had a brief primer on Fiori Elements and SAP and vocabulary-based annotations in OData, it is time to put. If there are associated. ( /iwbep/if_mgw_med_odata_types =>gc_sap_namespace ). 4. If we implement any code in DPC/MPC while generating runtime object the code gets deleted. Now, For example, If You have defined 3 Properties in your entity type. This field is of type Edm. SAP OData is relevant only if the SAP systems acts as a service or data provider. Another way of adding sap:filter-restriction in metadata is by using code in DEFINE method of MPC_EXT. What is the use of MPC Extension class in ODATA? Has anyone ever used it for any real scenario, i know about the media (define method) but what else is its practical use that you may have faced? SEGW does not yet allow you to add most of the annotations. dpc_ext class. 10. Name your association, provide the entities and cardinality, create a navigation property. g. Direction: drag from tree and drop in ALV control. Go to STMS transaction in target system. Entity Type-3- Schedule. SEGW is the transaction to build a service in SAP. I am doing a POST request where i need to load a json from payload with a deep structure. In Data provider extension add the method CALC_HASH as shown Below. The actual SAP Gateway service object named <CDS_VIEW_NAME>_CDS (R3TR IWSV obj) An SAP Gateway model named <CDS_VIEW_NAME>_MDL (R3TR IWMO obj) An annotation model named <CDS_VIEW_NAME>_CDS_VAN (R3TR IWVB obj) So no DPC/MPC_EXT classes are created, if you need OData methods redefinition you. Mahesh Palavalli Jun 21, 2019 at 11:11 AM Dpc_ext class will be called everytime you send a request to the odata service. A Custom CDS Entity enables you to expose data using ABAP classes in the Application Server ABAP. Hi all, Iam trying to update object with header and items to perform deep entity insert. I tried to add annotations using the 'XXXXX_MPC_EXT' object. I cleared cache , deleted the service n added back. 11. Rahul, I would suggest using a code based approach. I added "Generated_ID" as a key because I read from a blog that aggregations do not work without a generic key like that. METHOD define. 0, SAP services use annotations. First, the name of the OData service. 5. The second version of the OData protocol allows you to add annotations to the metadata document; the purpose of the annotations is to add information and hints to the EDM elements. Data Provider Class. INCLUDE TYPE zcl_material_mpc=>ts_zmaterial_ctype. Create a odata project and import ->DDIC Structure in form se11. In OData, annotations can be used to provide additional information about the data model, such as metadata, documentation, and UI hints. you can use the method Define to create entity, properties etc using code based. Property element SAP Odata V2 annotation at property level that tells the property should be. These are the techniques I would like to share: code based implementation. Step 1: If the properties of an entity in the OData is editable, then make sure to check the checkbox for the option “Nullable” Step 2: If the properties of an entity are non-editable, for e. Select the Function Module for Create Option as below and press Continue. In the ABAP Workbench, you should be able to find “CHECK_SUBSCRIPTION_AUTHORITY” in the “Methods” > “Inherited Methods”. method define. 3. Example 5: Setting a Date Range Filter. ID, @UI: { lineItem: {position: 20} } Products. I used in the SEGW transaction the reference by data source feature to automatically create the ODATA types and associations from the CDS views and add them to a existing SEGW ODATA project. Any suggestions? Property type valdt - Edm. Then I created a function import SetDescription with two parameters Salesorder (Edm. Now you can add extra code inside appropriate method in DPC_EXT to populate values into those. 2. When we change the Model or implement the Service in GW Service builder, every time run time object gets generated, hence DPC and MPC existing code gets replaced with new sets of code. METHODS: define REDEFINITION. Create one header database table as root, and another database table as item. Data provider class provides the methods to Data provider Extension class, so developer can implement the functionalities for database interaction. 2. The Model and Service Definition window displays. supplying file name in response for browser. Generate Runtime artifacts. In general, there are three types of query options in OData: system query options (define the amount and order of data returned, eg. Following blogs can be referred for same: To create similar OData Service: Create OData Service in SAP Fiori Server. Usually we write. Click on Annotation at properties. Step 2: Redefine the MPC_EXT “DEFINE” method and call the below code. I used an annotation like this: (in the method define of the. Create a service implementation. But. Alternatively, select the project, and click , or from Project in the menu, click Generate. Navigation-2 – HeadItemT. I have set up the update stream (DPC_EXT class) and the MPC_EXT (Define method). I have tried to replicate a similar operation through Flight Tables. SEGW – OData MPC_EXT-DEFINE Code Collection. RSS Feed. DATA : lo_entity_type TYPE REF TO / iwbep / if_mgw_odata_entity_typ , lo_property TYPE REF TO / iwbep / if_mgw_odata_property . Flight Booking Set as both editable. Model Provider class registers the metadata used in a service. to a property of an entity of this service? In SEGW-based OData service, we can do this by selecting the checkboxes or by redefining method. I use these code in conjunction with Fiori Elements templates. Create a Gateway project: ZMEDIALNK_SB. On the Menu tab, open the menu of the pushbutton for adding objects (+ pushbutton) and choose the object type Authorization Default. Consume OData Deep Structure In ABAP. The image below depicts the dependency between the classes:Step 2: OData CRUD Operations from UI5 application to SAP S/4 HANA Server (onPremise) this is my OData from the backend which I have created (refer the Database table image from the beginning) and consumed it in. In the method GET_EXPANDED_ENTITY, the value getting passed to the structure er_entity. Entity Type 4 – ord_opr. For experiment, I created a service ( I'm on 7. Main Entity: Customer. Vote up 1 Vote down. METHOD define . A Custom CDS Entity enables you to expose data using ABAP classes in the Application Server ABAP. This will open Class ZCL_ZTEST_MPC_EXT in ABAP Workbench. Hi Experts, I've created a smartfield with a searchhelp. Then the below window will be open with the Data Source Parameter and the Data Mapping has to be done as follows. 1. Go to transaction Activate and Maintain Services ( /IWFND/MAINT_SERVICE ). In DPC_EXT we perform CRUD operations; IN MPC_EXT we write annotations. DateTime and by making a change to our local annotation file, we will now see it appear within the smart filter bar of our Fiori Elements application: Once complete, we. Fig 3 . Class and classification are used to find objects more easily later. Odata Service to get one table records via RFC. Figure 1. [5. You can create event listener method for event FINISHED and in this method you can code/call. GET_EXPANEDE_ENTITYSET is the way to go. Naveen on How to upload Excel to SAP (using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup. Paste the below attached payload in HTTP Request block and execute. In the next dialog, Enter the name (ZDCL_C_CO) and description, click. 3. Implementation. The service implementation will leverage two CDS consumption views ZE2E001_C_SalesOrder and ZE2E001_C_SalesOrderItem that read their data from the. 1) Deleted service , cleaned cache and re-registered service . Now, we are set with declarations and we can start the coding part. Code is based on class CL_FDT_XL_SPREADSHEET which can be instantiated using the file. 11. Go to oData Service project in t-code ‘SEGW’ -> Runtime Artifacts -> select and double click on oData’s ‘_MPC_EXT’ as shown in below screen; In next window of oData’s ‘_MPC_EXT’, select class folder ‘ZCL_ZTEST_ODATA_MPC_EXT’ Double. public section. If you are using navigation properties put a External Break point in Get Expanded Entity set. Then click on the green arrow highlighted below to navigate to the editor. Introduction. Now there will be node under the Complex Types node with the name you gave to the complex type you created in the steps above, drill under that and you will see a properties node. From the menu choose Translation –> ABAP Objects –> Short Texts or choose Ctrl+F2. Select ODATA V2 – UI from the options in Binding type. A customer asked me today how to change the the properties sap:label, sap:heading and sap:quickinfo in an OData service that has been developed using ABAP code based implementation. Generate Runtime Context Menu option on Project node. MPC is used to define model you can use the method Define create entity and properties. in ZCL_G00_JP_SO_MPC_EXT. 1. Valdt is null then '00000000'. The first is in the MPC_EXT and the second in the DPC_EXT. The Reference Data Source Wizard opens. 6) Function Import. 2. All the fields in this window are editable. In case business logic was. create two CDS views based on the two database tables accordingly: At the left side, the Mobile Application List shows all mobile apps available in the system. " Now example of expand entity types to_changelog type. Make the necessary changes and save and activate it. Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. Add Action button extension to the project. we will not write any logic inside MPC and DPC classes. Redefine method GET_ENTITYSET of Data. Add business logic to OData update of CDS-based OData service. BCALV_DND_02 – Drag Icons from Tree to Rows of the Grid. vocabularies. Start transaction SE63. Here the property can be handled by redefining the DEFINE method of MPC_EXT class of the ODataNavigation-1 – HeadItemO. Now let’s generate runtime artifacts. No need to change/enhance the MPC/MPC_EXT class here as the structure HROVIS_S_NODE_GENERIC having your new fields would have already been bound to the MPC. Documentation in this area is far from perfect and searching in SDN and internet returned more questions around this topic than answers. datetime alone is not enough to ensure proper conversion during OData parsing. 3. MessageBox. I could use an implicit enhancement to add custom code to this. Create Entity Type. The class is generated only when the Service Builder successfully generates the code for the classes of the Model Provider Class (MPC). data: lt_keys type /iwbep/t_mgw_tech_pairs, ls_key type. SAP Editable ALV Grid Sample Code. Create an entity ‘TEST’ with one dummy attribute (VBELN). METHOD test_odata_request. Click “Get Services”. To generate the classes and publish the service, proceed as follows: In the SAP Gateway Service Builder, right click the project name and click . publish: true define view Z_Products as select from Products { key Products. SAP Editable ALV Grid Sample Code. Your email address will not be published. The Open Data Protocol (OData) includes standard CRUD (Create, Retrieve, Update, and Delete) operations that map to the HTTP methods POST, GET, PUT/MERGE, and DELETE. Then I use that ODATA service in a SAPUI5 app. In order to implement this, we will re define ‘GET_EXPANDED_ENTITYSET’ Method of the Data Provider Class. Create an ABAP domain named ZORDER_STATUS_DOMAIN containing status list as displayed in previous screenshot. ABAP OpenAPI UI v1 released! As mentioned in my previous blog post, I worked out a way to get Swagger / OpenAPI documentation for any SAP Netweaver Gateway OData service (both OData V2 and OData V4 services are supported). In the MPC_EXT class of your service, overwrite the define method. Redefine DEFINE method in MPC_EXT to create annotations. ENDMETHOD. In new service you added the additional code based annotation by redefining method MPC_EXT->DEFINE. ENDCLASS . Dear Pradeep, You have to Use External Break point in DPC_EXT class / MPC_EXT class. Ensure that the date oData property has below annotation. 1. In simple terms, custom CDS entity provide us to. method DEFINE. I have tried following . Set the annotation ‘Media’ of ‘EmployeePhoto’ entity. soid is of type Edm. Add additional annotations to show filter fields and columns on the list report as well as to allow the selection of data using a value help. Then I use that ODATA service in a. The. Click the Define Method and choose the redefine button to redefine it:. How to redefine a method in _MPC_EXT or _DPC_EXT. We have two systems CED for Backend. I would like to add the additional annotation via the model extension class (. OData. Annotation display-format will give you date picker in the field. Naveen on How to upload Excel to SAP(using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup; Pankaj on SAPScript symbols and formatting options; Mary Roopini A on SEGW – OData MPC_EXT-DEFINE Code Collection; Mary Roopini A on SEGW – OData MPC_EXT. if i redefine entity set read list method also it is not working. Can I define custom methods in *DPC_EXT class and it good approach. Go to your Service’s MPC_EXT class and redefine your DEFINE method. Valdt end as Valdt, and i wrote the code in MPC_EXT to make it as nullable. Insert field and check as key field (mandatory). Now deploy your application to SAP ABAP server and run the application. Figure 1. In DPC extension class , we will redefine the. public section. Now we need to redefine DEFINE Method in MPC_EXT class as below. Defining customising table. Next step will show how to create an OData Mobile Data. The OData v2 protocol allows the use of annotations in the metadata document . Calling expand entity from SAP Gateway Client. Now register the service. publish-Annotation" for the generation of the oData-Service and in this case there is no mpc_ext class available in the Service . Choose menu Overview->Imports. A CDS custom entity provides the signature of. Value Help Entity: Customer Value Help. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_odata_annotation, lo_entity_type TYPE REF TO /iwbep/if_mgw_odata_entity_typ, lo_complex_type TYPE REF TO /iwbep/if_mgw_odata_cmplx_type, lo_property TYPE REF TO. 3275 Views. CDS View: Annotation. Below is the architecture of ABAP RESTful Application Programming Model to develop Odata services. Go to Service Implementation, select the Create Operation and go to Map to Data Source. Click on the Direct Type Entry button. MPC_EXT- This is an extension of MPC class when you can define your custom types and also used for changing the runtime information of the Data model. Next, I created an SEGW project for a media-enabled OData service with the sole purpose of handling the ‘Preview’ request to be triggered. Usage in SAP S4 Output Management. Goto you MPC_EXT class. Go to the Model Provider extension class: MPC_EXT. Get stream method in . Enter Change Mode, Select ‘Define’. This report illustrates the simplest case of using an editable ALV Grid Control. Redefine the DEFINE method from ZCL_Z_NOTIF_MPC_EXT to connect the 2 new entitysets as a search help in the Fiori UI by putting this coding: METHOD define. We can then fetch data using get_entityset method of DPC_EXT class. Select Create Project. Now, We are all set to do UI Development. Model for SAP Fiori OData V2 service development options –SAP BS 7 & SAP S/4HANA Classic DDIC tables OData V2 BOPF BO CDS views Query Engine Classic CDS views business logic Query Engine Code based implementation Brownfield Greenfield DDIC tables Service Builder (SEGW) Service Builder (SEGW) Referenced / Mapped Data Source. After all these, my metadata looks like below - I implemented some CDS views with associations on a SAP NETWEAVER 7. Open the transaction SEGW and create a new project. tell whether an entity set allows inserts, updates, or deletes, whether it requires a filter, and which properties can be used in filter expressions. This blog focusses on selection of data during the first level of approval in workflow and passing it over to the other level of workflows. ABAP Unit Test – Implementing TDD. We have installed SAP Fiori for SAP ERP HCM 1. Code detail :- class ZCL_ZMEDIA_MPC_EXT definition public inheriting from ZCL_ZMEDIA_MPC create public . CDS View: Annotation. From the Authorization Default menu, choose TADIR Service and enter the following data: Program ID: R3TR. DATS’ which is an 8 character type to represent a date (but not a time), in case of an entity property the additional OData annotation sap:display-format=”Date” will be generated. Collection of code snippets which I regularly use in MPC_EXT DEFINE method. Step 1. 1. publish-Annotation" for the generation of the oData-Service and in this case there is no mpc_ext class available in the Service . Create a table where we will have the package name stored. alert("Error!"); When the page hit my code, the metadata is retrieved succesfully but when i try to create the new entry (this is obviously a test code) i got a 202 as response for the batchPage Format. Any consumer or provider of SAP who can call REST APIs can use it. Step 9: Now right click on data definition projection to create a new Service Definition. 40 18 52,052. My CDS views are shown below at the code section. create a new complex type there. After you double click on a method in _MPC_EXT or _DPC_EXT, make some changes and regenerate the OData service, you find the changes disappear. To create the actual service simply look in the “Service Implementation” folder and right click the “Create” operation and select “Map to Data Source”. data provider class is base class for data provider extension class. In the MPC_EXT class of your service, overwrite the define method. But it doesn't add an annotation to the metadata. 3. Fiori Element List Report uses batch processing. . Get stream method in . Run tcode. Select the GET_ENTITYSET method and click on REDEFINE button. iv_uuid = CONV #( 'Z_SRC_RDS' ) (If you. I tested CREATE_STREAM and works great, i've got the uploaded CSV file and inserted data into my custom table. You can append new properties to a corresponding entity type in the data model redefinition. Click on Save. 0. class ZCL_ZANALYTICS_MATERIA_MPC_EXT definition public inheriting from ZCL_ZANALYTICS_MATERIA_MPC create public . 2. You want to modify the service with custom code implementations. r. In this case “Z_JW_BUSPARTNER”. The OData v2 protocol allows the use of annotations in the metadata document . Modules and Table types are already a much discussed topic and there are number of references available and also I was afraid detailing them will grow the size of this topic and it will be. Step 1: Create a basic OData service with an entity as mentioned above. Example,*AE*,*AG41-1S*. Within the DEFINE method I set the entity type as aggregation. for the List Report based template to support Tree table, it is mandatory to have Hierarchy annotations should be added in the Meta data, which can be added via MPC_EXT redefine the define method. Now in WebIDE – Lets select redefined service. Code-based implementation of an OData services built without CDS in the SAP Gateway Service Builder (SEGW) using the Model Provider (MPC_EXT) and the Data Provider (DPC_EXT) classes Recommendation If at least the existing custom code for the update task can be decoupled and reused, then the managed BO with unmanaged save. Generating an OData service via Referenced Data Source. 2. 10. Let’s take this ahead with a step by step approach :-. These are the techniques I would like to share: code based implementation. After analyzing source code, unit tests and some intensive debugging sessions I managed to bind TreeTable to Odata. Now GET_ENTITYSET method is redefine and we have to write our logic inside the method. SAP Gateway offers an out of the box support for etags if a property of an entity type is marked as an etag. While these steps can be applied to connect any other cloud systems with S/4HANA, this blog will primarily focus on integration with MDI service on SAP Business Technology Platform. Till SEGW inherently provides that feature, here is how you can do it using code. Open an existing project you want to redefine. I have created Implicit enhancement in DEFINE method of this class and added below code: wol_annot_shlp = cl_fis_shlp_annotation=>create( io_odata_model = model The Service Builder provides you an option of generating the Model Provider Class (MPC). Naveen on How to upload Excel to SAP(using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup; Pankaj on SAPScript symbols and. Creating an Access Control with CDS. Redefine. Here you can override the define( ) method in the MPC_EXT class as described here for another used case. Assign Model to Service . A query provides read-only access to the database and it is. DATA lv_xstring TYPE xstring. Click on generate runtime objects button. Now click ‘Save’ and ‘Generate Runtime Objects’. Select Create Project. Pass the ValueHelp Entity in label and ValueHelp Entityset in CollectionPath. Giving your "date property" a type of edm. 1. Here are the steps to define and use a function import in SAP OData: Define the Function Import: In SAP Gateway Service Builder. Naveen on How to upload Excel to SAP(using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup; Pankaj on SAPScript symbols and formatting options; Mary Roopini A on SEGW – OData MPC_EXT-DEFINE Code Collection; Mary Roopini A on SEGW – OData MPC_EXT. MPC Ext Class. 3. Enter the Odata Service name in “Technical Service Name”. Introduction. Hi Michael, Thank you for your comment on this. Create three entity types and Entity Sets. In this blog post i want to show how to connect Microsoft Power BI to SAP data using OData services. Purpose: This blog is to show an example of how to show hierarchical data in a tree table by utilizing Fiori Elements (List Report template) using ABAP CDS views.