ZCL_ZTEST_ODATA_MPC - Model Provider Class ZCL_ZTEST_ODATA_DPC - Data Provider Class In addition to it, the system also generates two more classes to perform any extensions to the above classes. Pankaj on SAPScript symbols and formatting options. Leave a Reply Cancel reply. OData PUT Call – DPC_EXT_UPDATE_ENTITY method SAP in a minute January 22, 2021 January 22, 2021 0. Below is the architecture of ABAP RESTful Application Programming Model to develop Odata services. Right click and select Workbench. Here are some samples on how we used it. 10. These steps cover the general procedure, but need some consideration for your own SAP OData system and your preferred techniques for configuring SAP. Click to access the full version on SAP for Me (Login required). Now in WebIDE – Lets select redefined service. First, the name of the OData service. How to you treat in UI5 the return of insert data table?You redefined only CREATE_STREAM (DPC_EXT) and DEFINE(MPC_EXT) methods. Its available SAP Cloud Platform and also on-premise from S4HANA 1909. SAP OData is relevant only if the SAP systems acts as a service or data provider. 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). To activate the SAP Gateway, go to Customizing for SAP NetWeaver under SAP Gateway OData Channel Configuration Activate or Deactivate SAP Gateway . lo_annotation->add( iv_key = 'filter-restriction' iv_value = 'interval' ). These are the techniques I would like to share: code based implementation. 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. Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. For the sake of simplicity we assume that the ABAP names are used in the OData metadata document. Click on ‘Create Project’. super- > define ( ). And in the end there is a COPY_DATA_TO_REF ( EXPORTING IS_DATA = LS_STREAM CHANGING CR_DATA = ER_STREAM) – Kirve. lo_entity_type->bind_structure( iv_structure_name = 'SFLIGHT' iv_bind_conversions = 'X' ). datetime alone is not enough to ensure proper conversion during OData parsing. The MPC includes the MPC of the source service, and the DPC inherits the DPC of the source service. We only redefine methods of EXT classes, because the codes written in DPC and MPC are provided by SAP, and will override our codes once ODATA is generated. I would like to do this as part of the MPC_EXT class to not have to keep writing code in the frontend to hide the columns. Behaviour definition projection . You may be used to see a *_MPC_EXT class here, but that won’t be the case. SEGW does not yet allow you to add most of the annotations. Here comes the concept of Custom CDS entity. Go to Service Implementation, select the Create Operation and go to Map to Data Source. Generating the Runtime Artifacts redefines and implements the following operations in the data model provider base class: Create, Read, Update, Delete (CRUD), and Query. Till SEGW inherently provides that feature, here is how you can do it using code. Dec 19, 2021 at 13:41. Select all fields in the next screen. 50, SP- 0011. Mircosoft Power BI. 1. 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 . A CDS custom entity provides the signature of a CDS entity. Click on the Change ( Ctrl+F1) button for editing. Just to get a feeling for how such a file and the definition of an action on OData level looks like (remark: it’s a mocked metadata. But The static variable will only persist the incremented value only if there the soft state is activated else (makes sense) else it will always show the value ‘1’. Right click on the ‘Data Model’ and select Import -> ‘DDIC structure’. Create an ABAP domain named ZORDER_STATUS_DOMAIN containing status list as displayed in previous screenshot. You may choose to manage your own preferences. Our view is now ready. DATA(lo_entity_type) = model->get_entity_type( cl_eam_malfunction_mpc=>gc_c_maintordercomponenttptype ). create a new complex type there. Create 6 entity types and entity sets. Find “Runtime Artifacts” and select “…DPC_EXT” and “Go to ABAP Workbench”. Log in to complete tutorial. The below pop-up window will appear. Now in WebIDE – Lets select redefined service. 11. It is however possible to redefine a reference data source based OData service and perform certain adjustments in the MPC_EXT and DPC_EXT class to achieve this goal. 2. 0. Select the function module you use for uploading files. Paste the below attached payload in HTTP Request block and execute. BCALV_EDIT_01 – Switch on and off the ready-for-input status of the entire grid. RSS Feed. Go to the Model Provider extension class: MPC_EXT. 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. String , length 10. Hi all, Iam trying to update object with header and items to perform deep entity insert. I failed with. 2 for Data provider and 2 for Model provider. Go to the Types and declare a type: types: BEGIN OF ts_deep_entity. The Base Class CL__<Project Name>_MPC generated will have DEFINE() method. All the fields in this window are editable. Set the annotation ‘Media’ of ‘EmployeePhoto’ entity. In contrast, SAP OData is not used when an SAP (ABAP) client application calls an IBM Cloud service. super -> define ( ). Create a service implementation. Tx code: SEGW. Step 2. Defining customising table. Reason is that only this way it is. Posted on: January 14, 2019 | By: Pawan Kesari – 1 Comment. MultiComboBox) using the metadata extension sap:semantics='fixed-values' on the entity set level and the sap:value-list='fixed-values' on the. Double click on the system where you want to import your transport. Posted on: December 13, 2020 | By: Pawan Kesari – 3 Comments. I'm trying to make a fiori elements/smart field a value list in the search area like this: I can easily do this by modifying the mpc_ext class for a SADL CDS Gateway service, but I'm trying to do this for a CDS view that is exposed directly as OData. Open the Define_ Entity Name Method in either the _MPC_EXT or _MPC from the Runtime Artifacts folder and check if the following code snippet is available. Step 1: Create Custom Global Classes with below Structures. In the MPC_EXT class of your service, overwrite the define method. 1) Annotate the view with @ObjectModel. But that is also not working. You can modify the code to suit your needs. This example shows how to define a drag and drop behaviour using a drag and drop control. A service can be called an API that SAP provides to their consumers. Then create an ABAP data element based on this domain. 16 28 49,455. Materials Management->Purchasing->Partner Determination-> Partner Settings in Vendor Master Record->Define Partner Schemas. Click on generate runtime objects button. 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. ui. @OData. Any consumer or provider of SAP who can call REST APIs can use it. Click on com. In the MPC EXT class we declared a new action called “MaterialPriceUpdate“ (line14). IF lo_entity_type IS BOUND. MPC_EXT 类是 MPC 类的子类，在 MPC_EXT 里编写的代码，在 Generate Runtime 之后不会被覆盖掉。同理，OData 服务的业务逻辑，也应该编写在 DPC_EXT 类里, 而不是 DPC 类里。 至此我们完成了 SEGW 模型的创建，本教程下一步骤，我们将介绍如何对目前为止创建好的 OData 模型. String with a length of 10) and Description (Edm. I'm on 7. Now click ‘Save’ and ‘Generate Runtime Objects’. 2. 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. 8. The Service Builder allows you to redefine the OData services for SAP NetWeaver Gateway. Since there are currently no plans to downport the feature to 750 Sérgio Fraga plans to post his implementation as a blog post. super->define( ). Implementation. These steps cover the general procedure, but need some consideration for your own SAP OData system and your preferred techniques for configuring SAP. In our example, we will create model with two fields (CARRID and PLANETYPE) from SFLIGHT table: 2. method /IWBEP/IF_MGW_APPL_SRV_RUNTIME~CREATE_STREAM. 4. 2. The Search help works fine in the Fiori App displaying the select options and showing the result list. Beginner. Right-click on the Data Model folder and in the resulting submenu, select Redefine OData Service (GW). Its available SAP Cloud Platform and also on-premise from S4HANA 1909. I have tried to replicate a similar operation through Flight Tables. Select Overwrite Base/Extended Service, to overwrite the. Right click on Data Model node and select Import->DDIC structure to create entity type and entityset. Introduction. Further we are going to write logic in MPC_EXT class for creating annotations. Step 1. g. OData. publish: true define view Z_Products as select from Products { key Products. Back to the OData Mobile Data Object (oMDO) handler class. Goto you MPC_EXT class. Generate Runtime Context Menu option on Project node. String with a length. So we can define model as a ABAP class ZODATA_MODEL_CLASS inherited from super class IWBEP/CL_MGW_ABS_MODEL. For OData version 2. Then I use that ODATA service in a. 4 SP012 on HDB) with only SPFLI structure and. OData. We can create dynamic entity using Define () method of MPC_EXT class. 9. You need to implement these features manually in the model provider extension class (MPC_EXT class) or in the data provider extension class of your Service Builder project. 2. When redefining a service, a new OData service generates a new Model Provider Class (MPC), and a new Data Provider Class (DPC). Recently I have come across a requirement to consume OData service from a different system in our system using ABAP programing. * CATCH / iwbep. To create the actual service simply look in the “Service Implementation” folder and right click the “Create” operation and select “Map to Data Source”. 4. Controller should appear in project under ext. Before an update is performed the Gateway framework on the hub performs a READ request and compares the Etag send by the client with the Etag. 3. 50, SP- 0011. Get stream method in . Click on Annotation at properties. Typically, developers don’t touch this class unless there is some feature that isn’t available in the SAP Gateway tool, and they want to build the service with that feature. Now register the service. 1. Annotation @Consumption. You can copy the class code in source code based view of SE24. Model Provider Extension Class (suffix _MPC_EXT): This is the implementation class that inheritsWe are making use of importing parameter iv_slug to get some of the information. See moreIn order to create these annoations we are going to implement the DEFINE method of the model provider extenstion class (MPC_EXT) of our OData service. A CDS custom entity provides the signature of. Next step will show how to create an OData Mobile Data. A query provides read-only access to the database and it is. A service can be called an API that SAP provides to their consumers. methods DEFINE: redefinition . DPC& DPC_EXT; MPC & MPC_EXT; The mentioned above are four classes generated by SAP. 10. Voila! We are done. v1. Entity Type 5 – mpos. List of demo programs in SAP which explains SAP Editable ALV Grid. I will showcase some of the Smart component features controlled by metadata annotations. Direction: drag from tree and drop in ALV control. In Parameters. ABAP Unit Test in Odata – Current One. No luck. In case business logic was. Now you can add extra code inside appropriate method in DPC_EXT to populate values into those. If a single. Any consumer or provider of SAP who can call REST. 3275 Views. This is quite unfortunate since most of the OData services hat have been delivered with SAP S/4HANA are based on RDS. method define. But. Do the same for the “GetEntity (Read)” operation but of course based on the download RFC. To generate the classes and publish the service, proceed as follows: In the SAP Gateway Service Builder, right click the project name and click . There are some blog post already about how to do this, my blog post is an extension to this. With the use of annotations and Smart components like SmartTable you can minimize the UI View code to be written for conventional scenarios like listing and filtering data. Now deploy your application to SAP ABAP server and run the application. The SEGW project will have a model provider. This scenario is suitable when the data is modelled through the entities in SEGW. 3. protected section. To configure a well-defined SAP Gateway OData service, complete the following steps in your SAP system. Adding Search help in Manage Product Master Data using MPC_EXT Class 818 Views Hello, I am trying to add Search Help to field 'Product' in 'Manage Product. But there are situations where you need to do this for example implementing form user exits in SD, creating objects as per sap notes etc. You can specify that certain roles in a schema are mandatory, i. In my earlier blog Let’s code CRUDQ and Function Import operations in OData service! we understood the basic operation performed in OData service. m. To exclude your original column from showing in the Column tab of Table setting dialog, there is an annotation sap:visible = false. Right click on the Data Model Folder. Open up DPC_EXT class and redefine DEFINE method. Code to Process Action. This report illustrates how to set chosen cells of an ALV Grid Control editable. Basic Object Page. OData Services based on OData queries can be extended. BCALV_DND_01 – Drag ALV Row to Tree Folder. MessageBox. I tried case statement in cds view to check null value but it's not working. Open CL_FDP_EF_PURCHASE_ORD_MPC_EXT class (t-code SE24). In the Service Builder we expand the folder Runtime Artifacts, select the class with the extension MPC_EXT class and select Go to ABAP Workbench from the context menue. External Break-point not triggering for OData. Here is an example of the implementation for this class. After you have copied files to ‘cofile’ and ‘data’ folder of target system log on to target SAP system. I was trying to use TreeTable control with Odata model binding. Annotation @UI. You. 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. Now it’s time to add some simple business logic. Click Add assignment – Give the service name generated (in point 1) and click “Enter”. commons. Enter Project Name, Description and assign the project to a Package. Now we shall start with SAP Gateway. I use these code in conjunction with Fiori Elements templates. Now GET_ENTITYSET method is redefine and we have to write our logic inside the method. In my earlier blog Let’s code CRUDQ and Function Import operations in OData service! we understood the basic operation performed in OData service. Step 2. List of demo programs in SAP which explains SAP ALV Drag Drop functionality. Example,*AE*,*AG41-1S*. The app is working, create and update are working individually as well (I redefined the MPC_EXT define method to make the entity as sap:creatable="true" & sap:updatable="true". Assign Model to Service . Any functions will be seen here as well. Any suggestions? Property type valdt - Edm. END OF ts_deep_entity . Label,. Keep the default class names as-is and click on enter button. The linking from option 2 can be done in the MPC_EXT class (redefine the define method). method define. I am trying to implement SAP Fiori apps myTimesheet V2 and approve Timesheet V2 on an SAP ECC Ehp6 Backend. public section. 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. We want to expose Sales Order data as Odata service thus we will need 2 entities – Sales Order & Sales Order Items. 2. super- > define ( ). I'm on 7. Assign Model to Service . Hello SAP Community, In the MPC_EXT of OData project we can add Data Dictionary Search Help using the class cl_fis_shlp_annotation=>create by specifying the SE11 search help as input parameter. Go to Runtime Artifacts node, open the ZCL_ZGW_PRACTICE006_ MPC_EXT class in ABAP Workbench (Right-Click: Go to ABAP Workbench) & click on the Types tab. methods DEFINE: redefinition . We use the BOPF consumer api in the odata service. · Use SEGW to extend the entity definition. redefine DEFINE method of DPC_EXT class and after call to super->define( ). The CDS view created was used as a Data Source and transaction behavior were managed through Gateway methods overriding the MPC_EXT and making specific entity as sap:creatable. 1) Annotate the view with @ObjectModel. Go to Runtime Artifacts node, open the ZCL_ZGW_PRACTICE006_ MPC_EXT class in ABAP Workbench ( Right-Click: Go to ABAP Workbench) & click on the Types tab. I am doing a POST request where i need to load a json from payload with a deep structure. Requirement. g. Here comes the concept of Custom CDS entity. You can use it to send batch requests, define functions for reusable procedures, and discover changes, among other things. 1. Property element SAP Odata V2 annotation at property level that tells the property should be. String with a length of 10) and Description (Edm. Create Table Type. Your data model is based on CDS, but is more complex than simple compositions and includes advanced features, such as transactional processing. I had to make some code changes though to make it work for me, extended the example with deep insert from Fiori and tried to make. 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. tell whether an entity set allows inserts, updates, or deletes, whether it requires a filter, and which properties can be used in filter expressions. So we have to use the option to add additional metadata by implementing the DEFINE method in the model provider extension class. Go to the tab – Type in the class and add type TY_SO_ALL with visibility Public. Navigation-2 – HeadItemT. Thank you for your detail information, I set external breakpoint in the method define of MPC_EXT class, and tried below according to your suggestion, but breakpoint is still not triggered. SAP OM configuration and technical implementation are totally different compared to traditional output technologies (NAST, FI Correspondence, FICA Print Workbench, sapscript, smartform, PDF. Register the oData service. You redefined only CREATE_STREAM (DPC_EXT) and DEFINE(MPC_EXT) methods. Enter the Odata Service name in “Technical Service Name”. Step by Step development for CREATE_DEEP_ENTITY operation. Entity Type 4 – ord_opr. Deep Insert oData. method DEFINE. public section. Expand the folder Runtime artifacts and r ight-click on ZZCL_ZE2E100_XX_2_MPC_EXT and choose the entry Go To ABAP Workbench. dpc_ext class. SAP Gateway Technical Operations Guide: SAP Gateway Security Guide: SAP Gateway Developer Guide: OData Channel: SAP Gateway Service Builder: SAP Gateway Cookbooks: OData Channel Cookbooks: Getting Started with the Service Builder: Creating OData Channel Content: 1 SAP Business Suite Backend System: 2 SAP Gateway Hub. Choose Reference –> Modeled Data Source Reference from the context menu. From my understanding there are 2 options: 1) Define a specific property as Mandatory --> Nullable="false". String, length 1000. After re-generate the SEGW project and clear the metadata, you can implement the function. Used case statement. Below is the code that get the data for the 'Set' I need to change one of the fields for. Both field names were chosen automatically since the entity type is not bound to a DDIC structure. Get link; Facebook; Twitter; Pinterest; Email; Other Apps; April 28, 2020. Double click on the system where you want to import your transport. Your OData service will define an entity type, SD_HEADER for example. Introduction. The MPC includes the MPC of the source service, and the DPC inherits the DPC of the source service. In this example we are making a field as required by using Odata annotations. We use odata as a service. g. Step 9: Now right click on data definition projection to create a new Service Definition. commons. Partner schemas allow you to group various partner roles. This report illustrates the simplest case of using an editable ALV Grid Control. Now go to menu Extras->Other Requests->Add. 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. We could implement a code block like so in the DEFINE method of the MPC_EXT class and add the desired term directly as an attribute of the produced oData property: The backend code would look something like: DATA(lo_entity_type) = model->get_entity_type( 'YourEntityType' ). Keep the default class names as-is and click on enter button. 6) Function Import. We can then fetch data using get_entityset method of DPC_EXT class. Create Project in SEGW. Your data model is based on CDS, but is more complex than simple compositions and includes advanced features, such as transactional processing. As per SAP documentation, Function Imports – SAP NetWeaver Gateway Foundation (SAP_GWFND) – SAP Library. You want to modify the service with custom code implementations. After regenerating run time object, we can see sap:text=”POTypeDesc” for property POTypeKey of Entity “POType” in the metadata. Call the super->define method, which will create all the properties and the annotations already maintained. Redefine DEFINE method in metadata provider extension class. Else in /n/iwfnd/maint_service tcode, refresh metadata for that odata service. CDS Core Data Services for the field Modeled Data Source Type. Redefine method Define of model provider class as shown below: 3. U can check the above link how to implement Create Deep entity method. Create Model (MPC). Create one header database table as root, and another database table as item. Select it and “Redefine”. class ZCL_ZFAR_CUSTOMER_LINE_MPC_EXT definition: public: inheriting from ZCL_ZFAR_CUSTOMER_LINE_MPC: create public . For more. Figure 1. In the ABAP Workbench, you should be able to find “CHECK_SUBSCRIPTION_AUTHORITY” in the “Methods” > “Inherited Methods”. Considering a basic scenario where i am using BAPI_PO_GETDETAIL which has multiple output tables and input is PO number. lv_tech_clause = YOUR_EXPANDED_CLAUSE. g. Till SEGW inherently provides that feature, here is how you can do it using code. Use then lo_property->SET_AS_CONTENT_TYPE. storing XSTRING in SAP. supplying file name in response for browser. List of demo programs in SAP which explains SAP ALV Drag Drop functionality. Here is my JSON : I created my deep structure in MPC_EXT like this : ts_deep, key TYPE char10, sales TYPE tt_sales, ts_deep. Make note that I have exposed CDS via SEGW and not directly using OData. if i redefine entity set read list method also it is not working. Common. DateTime. 11. You would have to work out yourself what parameters to supply, as it would vary based on what type. storing XSTRING in SAP. Naveen on How to upload Excel to SAP (using ABAP) Upamanyu Sarmah on S4 HANA Output Management – Introduction, Master Form Layout Edit and Setup. ENDCLASS . If the entity set of a value help has a fairly stable number of instances, you can render an input field with a value help and dropdown list box. Tick it in. Your data model is based on CDS, but is more complex than simple compositions and includes advanced features, such as transactional processing. DATA : lv_namespace TYPE string, lr_annotation TYPE REF TO cl_fis_shlp_annotation, lr_annotation2 TYPE REF TO cl_fis_shlp_annotation. If your value help contains a fixed number of values, a dropdown list will be rendered. popup . Facet starting at line 4 adds Facet of type #COLLECTION. Now click on Generate button. method salesorderitemse_get_entityset. The app will ask for the URL. In DPC_EXT we perform CRUD operations; IN MPC_EXT we write annotations. Define condition from ValueHelp odata. r. lv_tech_clause = YOUR_EXPANDED_CLAUSE. g. And make that property as etag, So if simple entity is there which were created using structure then just put the property name of timestamp as below image —. If not Get Entity set. Example Scenario: The case at hand is to. 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. If the class open in ‘Display’ mode than convert it to ‘Change’ mode. IV_BIND_CONVERSIONS. In standard case before we start to use OData service we should declare entity types. Here is my codes in DEFINE() method: method DEFINE. In MPC_EXT we have to specify the semantic attribute of our. 11. Now open DPC_EXT class. Resolution. Go to SPAD transaction and first press Full administration button. publish-Annotation" for the generation of the oData-Service and in this case there is no mpc_ext class available in the Service . In DPC extension class , we will redefine. The class is generated only when the Service Builder successfully generates the code for the classes of the Model Provider Class (MPC). Hi Experts, I've created a smartfield with a searchhelp. The answer is simple: we provide the dictionary information to SAP Gateway Foundation. 1. whether an entity set allows free-text search via an SAP-defined query option. Call the super->define method, which will create all the properties and the annotations already maintained. Follow. Entity Type-1- Header. I tried to add annotations using the 'XXXXX_MPC_EXT' object. I liked this one Deep Insert in SAP Netweaver Gateway from Prakash’s blog series. Mpc_ext doesn't provide the data it just provides.