Having done this the transaction can then regenerate the MPC code automatically. I have created odata v4 project in segw. 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' ). Why OData is used in SAP? OData is used to specify the best practices necessary to create and use RESTful APIs. Entity Type-2- Item. Then annotation staring at line 8 adds a facet of type #IDENTIFICATION_REFERENCE under collection facet. Dec 19, 2021 at 13:41. OData Service Examples w. Assign Model to Service . Choose Reference –> Modeled Data Source Reference from the context menu. Issue in creating entity set as creatable & updatable. In new service you added the additional code based annotation by redefining method MPC_EXT->DEFINE. MPC – This is used to define model. Also, we will process all requests together, hence set cv_defer_mode = abap_true. Open up DPC_EXT class and redefine DEFINE method. Select Overwrite Base/Extended Service, to overwrite the. We were able to create a record for the attachment folder and for the document item. " Example of material entity type definition for json data mapping, entity found by key TYPES BEGIN OF type_json_resp_material. 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. To generate the classes and publish the service, proceed as follows: In the SAP Gateway Service Builder, right click the project name and click . DATA : lo_entity_type type ref to /iwbep/if_mgw_odata_entity_typ,The Base Class CL__Project Name_MPC that gets generated will have redefinition for DEFINE() and GET_LAST_MODIFIED() methods. ui. 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. 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. Your data model is based on CDS, but is more complex than simple compositions and includes advanced features, such as transactional processing. Rule 5. I am not at all encouraging you to modify SAP standard programs or objects. popup . Step 2. 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). Enhance the define method to add the required code mentioned below. SAP OData is relevant only if the SAP systems acts as a service or data provider. You have to perform all steps as described by Aron (except redefining Model and Data provider class methods). On pressing F4 we will get a Popup of value help with empty list. For more. Redefining Services from External Framework (SPI, BW Query, GenIL) – SAP Help Portal . Refer. Start transaction SE63. 19 Apr 2021. Dec 19, 2021 at 13:41. Now come back to OData and click on ‘Label’ Column select ‘Class’ in Reference type field, specify the class name and key (which is text symbol number). 2. But how to build the additional annotations in ABAP? Do I need parameters in case I don't want a search dialog? I tried it like this: super-> defineStep 1. In code first, make call to SUPER. Double click on Properties and Click on Insert Row to add fields. Fig 4Value List - Local Annotation on top of odata v2 exposed CDS. 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. The Wizard Step 1 of 2: Redefine Service appears. Create Upload Service. Dear Pradeep, You have to Use External Break point in DPC_EXT class / MPC_EXT class. You will get the annotations of the original service – This is because of Configuration in point 6 and point 7. iv_uuid = CONV #( 'Z_SRC_RDS' ) (If you. To register similar OData Service:Press the 'Refresh' button to the right of 'Metadata' section. Create one header database table as root, and another database table as item. method /IWBEP/IF_MGW_APPL_SRV_RUNTIME~CREATE_STREAM. 3. BCALV_EDIT_01 – Switch on and off the ready-for-input status of the entire grid. commons. Now GET_ENTITYSET method is redefine and we have to write our logic inside the method. Posted on: January 14, 2019 | By: Pawan Kesari – 1 Comment. This is one of most frequent scenario where the text of key-value is stored in a text table. Step 1. Update the data model definition using the MPC_EXT generated classClick “Add Service”. 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. Now click on Generate button. In our example, we will create model with two fields (CARRID and PLANETYPE) from SFLIGHT table: 2. Now let’s generate runtime artifacts. Step 9: Now right click on data definition projection to create a new Service Definition. I have created an application with CDS as a data model. The model provider extension class is registered in the back end using the technical service name. sending key parameters to media entity through navigation property. case when _konp. lo_complex_type type ref to. Right click on the Data Model Folder. CLASS ZCL_ZMEDIA_MPC_EXT IMPLEMENTATION. The URL should include the entityset-name and filter-options when necessary like in the screenshoot above. 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. storing XSTRING in SAP. Behaviour definition projection . How to upload Excel to SAP (using ABAP) ABAP code to upload XLSX file to SAP using ABAP. Steps: Create a custom table (that will store user selected fields along with data element): Insert some records for fields in the custom table: Now, create a project ‘ZDYMANIC_ENTITY’ using t-code SEGW. (You may put any name as you like, i have used name ZFILE for the Table). ENDTRY. 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. It will display. Run transaction SOAMANAGER and under ‘Service Administration’ tab click on ‘Web Service Configuration’. As we are working with updated version of SAP and Odata services are commonly used for integration now a day, so we can used odata service to send data via CPI to third party system in integration process. I tried to add annotations using the 'XXXXX_MPC_EXT' object. After all these, my metadata looks like below - I implemented some CDS views with associations on a SAP NETWEAVER 7. 5 SP 19 (09/2020) system. popup . 2. 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 . 11. Register the service ‘ZDEAL_DEMO’ generated using Transaction Code: /IWFND/MAINT_SERVICE. Next step will show how to create an OData Mobile Data. MPC is a Parent class and MPC_EXT->child class. DPC& DPC_EXT; MPC & MPC_EXT; The mentioned above are four classes generated by SAP. Now go to menu Extras->Other Requests->Add. Figure 1. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_odata_annotation, "#EC NEEDED lo_entity_type TYPE REF TO /iwbep/if_mgw_odata_entity_typ, "#EC NEEDED lo_complex_type TYPE REF TO /iwbep/if_mgw_odata_cmplx_type, "#EC NEEDED. Alternatively, select the project, and click , or from Project in the menu, click Generate. Here you can override the define( ) method in the MPC_EXT class as described here for another used case. These steps cover the general procedure, but need some consideration for your own SAP OData system and your preferred techniques for configuring SAP. Log onto the SAP NetWeaver Gateway system. Redefine the Define method of your mpc_ext: data: lo_entity_type type ref to /iwbep/if_mgw_odata_entity_typ, lo_property type ref to /iwbep/if_mgw_odata_property, lo_annotation type ref to /iwbep/if_mgw_odata. super- > define ( ). Note: This is just based on my understanding and the analysis I’ve done on it in the S4 system with ABAP 7. g. End Result –. Hi Michael, Thank you for your comment on this. Feel free to add more methods in this and send a PR. using table and structure list below with Project Details. The method shown in the blog will work in SAP GUI and Webgui (program launched from Fiori Launchpad). From the menu choose Translation –> ABAP Objects –> Short Texts or choose Ctrl+F2. SAP Gateway offers an out of the box support for etags if a property of an entity type is marked as an etag. Copy and paste the following coding into the DEFINE method. Else in /n/iwfnd/maint_service tcode, refresh metadata for that odata service. Go to the Model Provider extension class: MPC_EXT. In the MPC_EXT class of your service, overwrite the define method. The Odata returns 200 OK code when I test using SAP Gateway client but it doesn't returns any metadata ( Entity Set ) . Documentation in this area is far from perfect and searching in SDN and internet returned more questions around this topic than answers. 16 28 48,979. END OF ts_deep_entity . Specify template id and name, which will then appear in Custom tab. Z_CL_ Project_Name _RDS_DPC_EXT. Explained about the data model, entity, entity type, entity sets, MPC and DPC classes. String with a length of 10) and Description (Edm. dataCategory: #TEXT to signify this is text view. Recommended reading. It was working perfectly fine. Select the Service and click “Add Selected Services”. 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. But that is also not working. Next step add fields to your table. Redefine DEFINE method in metadata provider extension class. 2. It is possible to create ABAP CDS view for it using SAP HANA Studio. 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. @Consumption. U can check the above link how to implement Create Deep entity method. Then I created a function import SetDescription with two parameters Salesorder (Edm. 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. 3. Click on the Change ( Ctrl+F1) button for editing. 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. Here is an example of the implementation for this class. Entity Type 1 – notif. For example the MPC_EXT class in this class already contains a redefinition of the DEFINE method. And in ‘ createContent : function. Step 3. And in the end there is a COPY_DATA_TO_REF ( EXPORTING IS_DATA = LS_STREAM CHANGING CR_DATA = ER_STREAM) – Kirve. Step by Step development for CREATE_DEEP_ENTITY operation. privacy statement, for purposes that may include site operation, analytics, enhanced user experience, or advertising. This will open Class ZCL_ZTEST_MPC_EXT in ABAP Workbench. Step. METHOD define . 10. In the pop up, enter a package assignment and accept the defaults and press the check box. Activate it. Create a new entity type that refers the dictionary structure created in step 1 and flag the media checkbox. Click on Annotation at properties. 10. Click on ‘Create Project’. Create Project in SEGW. String with a length 1000). 1. In this case “Z_JW_BUSPARTNER”. Save it. Go to Service Implementation, select the Create Operation and go to Map to Data Source. How to redefine a method in _MPC_EXT or _DPC_EXT. Flight Booking Set as both editable. This method will have two. Expand the folder Runtime artifacts and r ight-click on ZZCL_ZE2E100_XX_2_MPC_EXT and choose the entry Go To ABAP Workbench. This is one of most frequent scenario where the text of key-value is stored in a text table. Then we will get below screen, click on continue. Ensure that the date oData property has below annotation. Now click ‘Save’ and ‘Generate Runtime Objects’. 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. Generate Runtime artifacts. Its available SAP Cloud Platform and also on-premise from S4HANA 1909. Here are the steps to define and use a function import in SAP OData: Define the Function Import: In SAP Gateway Service Builder. Keep the default class names as-is and click on enter button. In 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 implementation. valueHelpDefinition is the annotation that helps us define the value help to be used. 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. Probably (if SSO between SAC and BW has not been configured) your BW credentials will be requested at this moment. Annotation sap:nullable in ABAP RAP OData. In this example, we will use 2 entities Sales Order Header (SOHeader). My CDS views are shown below at the code section. In the Microsoft Power BI desktop app an OData-Feed must be added as a datasource. method DEFINE. · Code the changes directly. Usually, you would copy email template by selecting pre-delivered template and using Copy button. We need define deep entity structure in method MPC_EXT~DEFINE. 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. You would have to work out yourself what parameters to supply, as it would vary based on what type. 1. Leave a Reply Cancel reply. Select Create Project. DATA: lo_ann_target TYPE REF TO /iwbep/if_mgw_vocan_ann_target. Create an Odata service. 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’. In general, there are three types of query options in OData: system query options (define the amount and order of data returned, eg. 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. 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. The trick is basically the the get_entityset method in the DPC_EXT class is redefined and manipulates the navigation Information that is passed to the SADL Framework before it is calling the SADL implementation in the super class. Go to Runtime Artifacts node, open the ZCL_ZGW_PRACTICE006_ MPC_EXT class in ABAP Workbench (Right-Click: Go to ABAP Workbench) & click on. ABAP Unit Test meets Legacy Code. How to you treat in UI5 the return of insert data table?SAP changed from an internal to ISO standard currency code in the OData APIs to be compliant with ISO standards which led to the change of the property length from 5 to 3 in OData V4 services. In standard case before we start to use OData service we should declare entity types. Click on the Direct Type Entry button. For OData version 2. Another option to create the structure is to create one in MPC_EXT class i. 1] Re-define MPC. Our view is now ready. This field control can contain numbers and "7" means mandatory. Redefine method Define of model provider class as shown below: 3. This structural metadata makes it easy to understand a service, and human-readable. We use the BOPF consumer api in the odata service. 2) Link a property to another property in the entity, the "field-control". In this blog I will explain creation of simple SAP Gateway OData service having association and navigation between entities. Pass the ValueHelp Entity in label and ValueHelp Entityset in CollectionPath. How to you treat in UI5 the return of insert data table?You redefined only CREATE_STREAM (DPC_EXT) and DEFINE(MPC_EXT) methods. 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. In OData, annotations can be used to provide additional information about the data model, such as metadata, documentation, and UI hints. privacy statement, for purposes that may include site operation, analytics, enhanced user experience, or advertising. In the MPC EXT class we declared a new action called “MaterialPriceUpdate“ (line14). We have installed SAP Fiori for SAP ERP HCM 1. METHODS define REDEFINITION. This requires you to specify only the key from the principal entity. class ZCL_ZFAR_CUSTOMER_LINE_MPC_EXT definition: public: inheriting from ZCL_ZFAR_CUSTOMER_LINE_MPC: create public . When redefining a service, a new OData service generates a new Model Provider Class (MPC), and a new Data Provider Class (DPC). I tried to make my child set i. If the date property is part of a DDIC structure used for the entity definition, and that component is a DATS (elementary D type), then you can place a D type value in it directly, e. 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. Any consumer or provider of SAP who can call REST. My CDS views are shown below at the code section. m. or the. Now GET_ENTITYSET method is redefine and we have to write our logic inside the method. 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. After redefining and modifying the DEFINE method of the respective MPC_EXT class, of the relative gateway project (maybe not the best way to. Common. Here is my codes in DEFINE() method: method DEFINE. Fiori Element List Report uses batch processing. supplying file name in response for browser. Below screen will appear where you can see below folder in project. In the Select Service region, enter the technical name of the service you wish to redefine in the Technical Service Name field. Right click and select Workbench. The image below depicts the dependency between the classes: GET_EXPANEDE_ENTITYSET is the way to go. Function Modules and Table Types are not detailed enough: As Fn. Further we are going to write logic in MPC_EXT class for creating annotations. Copy and paste the following coding into the DEFINE method. DATA: lo_ann_target TYPE REF TO /iwbep/if_mgw_vocan_ann_target. Get stream method in . From this list we can select required commodity code. Main Entity: Customer. But the create_entity method is only triggered and not the Create_deep_entity. Introduction. I tested CREATE_STREAM and works great, i've got the uploaded CSV file and inserted data into my custom table. The app will ask for the URL. 50, SP- 0011. Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. Here comes the concept of Custom CDS entity. Hi ABAP Fraternity, Need your help! Can anyone please help me,on what circumstances or client. super- > define ( ). Go to the Types and declare a type: types: BEGIN OF ts_deep_entity. Go to the Types and declare a type: types: BEGIN OF ts_deep_entity. Once the artifacts are generated redefine get_entity in DPC_EXT class to fetch multiple records. 2) Link a property to another property in the entity, the "field-control". This is important because its DPC_EXT and MPC_EXT classes which we will be using to add actions. Once generation is successful, you will get 4 classes. 1. Then I have also tried adding custom property directly in CDS entity type 'C_MaintOrderComponentTPType' in Method define of MPC_EXT class using below code. This example shows how to define a drag and drop behaviour using a drag and drop control. Let’s begin the development step by step. 2. This structural metadata makes it easy to understand a service, and human. lv_tech_clause. publish-Annotation" for the generation of the oData-Service and in this case there is no mpc_ext class available in the Service . Make note that I have exposed CDS via SEGW and not directly using OData. This scenario is suitable when the data is modelled through. Here the property can be handled by redefining the DEFINE method of MPC_EXT class of the OData New techniques. 2. CDS Core Data Services for the field Modeled Data Source Type. m. For the sake of simplicity we assume that the ABAP names are used in the OData metadata document. For the examples in this article, we will be leveraging both vocabulary-based and SAP-specific annotations to achieve targeted user interface behaviors within our Fiori Element. Inside DEFINE method you are calling super->define ( ) for original service to add it annotation, later in the code you have inserted. private section. 1. This document provides details for generating MPC for two Project Types: This is the Implementation class that inherits Base class. Smartform: ZPDF_SO_01. Below is the architecture of ABAP RESTful Application Programming Model to develop Odata services. Enter the name of your CDS view in the field Object Name. METHOD define. Paste the below attached payload in HTTP Request block and execute. Use then lo_property->SET_AS_CONTENT_TYPE. Goto you MPC_EXT class. MessageBox. Select yours and click on Change button. You can create event listener method for event FINISHED and in this method you can code/call. Usage in SAP S4 Output Management. 3. you can àlso concante if you expand to multiply. The implementation of the logic to retrieve the data is implemented in an ABAP class. Fig 4 Another Approach for MPC_EXT. And, there will be an entity set SD_HEADER_SET. In Folder data model, we can see three sub folders. publish-Annotation" for the generation of the oData-Service and in this case there is no mpc_ext class available in the Service . I was trying to use TreeTable control with Odata model binding. filter. In simple terms, custom CDS entity provide us to. The Wizard Step 1 of 2:. sap:display-format =” Date “ sap:filter-restriction =” interval “ For setting these annotations you can write the below code in MPC_EXT class, DEFINE method. I'm on 7. SEGW is the transaction to build a service in SAP. The ZCL_ZTEST_MPC class has the generated definition of the OData Service. Label,. Create Model (MPC). Resolution. But it doesn't add an annotation to the metadata. These are the techniques I would like to share: code based implementation. Create Entity Sets. Annotation @UI. Open transaction SEGW. Set the annotation ‘Media’ of ‘EmployeePhoto’ entity. It seems '/IWBEP/IF_MGW_ODATA_ANNOTATABL~create_annotation' can add annotations. You want to modify the service with custom code implementations. We can create dynamic entity using Define () method of MPC_EXT class. Here we will post data based on odata request , here we will explore more on Runtime Artifacts , The main two class are MDP( Model Provider class) and DPC ( Data provider Class). Click on the project and select “Generate Runtime”. is it also possible to set the annotation "sap:semantics: fixed-values" for the entity set directly in the CDS-View? I use the "OData. Navigate to Device Types tab and press Display next to Page Formats input. Step 1. You want to modify the service with custom code implementations. A CDS custom entity provides the signature of. It is important that in both classes, the MPC_EXT and the DPC_EXT class the value for the unique ID of the SADL model is the name of the original model. Now we can see description showing in smartfilter. 11. OData. OData Services based on OData queries can be extended. SAP Fiori, Beginner, SAP BTP, ABAP environment, Tutorial, SAP Business Technology Platform. Generate Runtime Context Menu option on Project node. Code to Process Action. ui. Pankaj on SAPScript symbols and formatting options. Direction: drag from tree and drop in ALV control. Entity Type 6 – return (created to hold multiple. You will learn. Our root node is a non SAP Standard node. Step 1. Out of the box use of Email Template is in S4 OM. There are various ways of creating configuration but the easiest way to create is via. e. This will give you list of all Page Formats defined in system, you can check this list to see if any of these matches your paper size. String, length 1000. Annotate the entity by redefining the DEFINE() method within the generated *_MPC_EXT Class. Following is a snippet of the item CDS entity which will be represented as a table in the ui of object page. Go To Transaction SE11 and create structures as displayed in the below screenshots. I have set up the update stream (DPC_EXT class) and the MPC_EXT (Define method). Bind structure to Entity Type. 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. So I am unable to know the structure and hence create a dynamic entity. Out of the box use of Email Template is in S4 OM. 1. super->define( ). There is some data dexlarations and read and select queries. All the fields in this window are editable. 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. I would like to add the additional annotation via the model extension class (. For the fields, which does not get mapped, manual mapping can be done. Using CDS Annotation Using ABAP 1. Now register the service. Redefine method GET_ENTITYSET of Data. Create a odata project and import ->DDIC Structure in form se11. First, we define CDS view based on table TCURT with language, key and text fields from it. super->define( ). ABAP Unit Test in Odata – Current One. We can create dynamic entity using Define () method of MPC_EXT class. Entity Type-3- Schedule. Entity .