Direction: drag from tree and drop in ALV control. 5 SP 19 (09/2020) system. Introduction. Both field names were chosen automatically since the entity type is not bound to a DDIC structure. Generating the Runtime Artifacts redefines and implements the following operations in the data model provider base class: Create, Read, Update, Delete (CRUD), and Query. 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. How to add Annotation for ODATA in MPC_EXT? Ans. SAPUI5: Annotation - Smartfield with Search Help. Can I define custom methods in *DPC_EXT class and it good approach. The below pop-up window will appear. Go to SPAD transaction and first press Full administration button. MPC_EXT Code and Metadata is mentioned below: method DEFINE. g. Now right click on the service definition and create a new Service Binding. We use odata as a service. 2) In MPC EXT class i have tried to redefined ''DEFINE" method. Click on Annotation at properties. MPC_EXT class in method DEFINE). I have created odata v4 project in segw. Probably (if SSO between SAC and BW has not been configured) your BW credentials will be requested at this moment. For OData version 2. – Jünge alles. using table and structure list below with Project Details. 2. You can modify the code to suit your needs. INCLUDE TYPE zcl_material_mpc=>ts_zmaterial_ctype. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_vocan_annotation. Go to Service Implementation, select the Create Operation and go to Map to Data Source. 16 28 48,979. A pop window will appear , Fill the details as per below mention in screen shot and click on check icon or enter. The ZCL_ZTEST_MPC class has the generated definition of the OData Service. Your data model is based on CDS, but is more complex than simple compositions and includes advanced features, such as transactional processing. Generated MPC classes also supports inline annotations if annotations are maintained in the model. Click on the Direct Type Entry button. If you don't define any field groups using the UI. Function Modules and Table Types are not detailed enough: As Fn. A query provides read-only access to the database and it is. 10. Entity Type 3 – ord_comp. Calling expand entity from SAP Gateway Client. Run tcode. These steps cover the general procedure, but need some consideration for your own SAP OData system and your preferred techniques for configuring SAP. This blog will show you how to develop ODATA using Global Classes in CREATE_DEEP_ENTITY Method Operation with JSON Format using simple steps. After pressing Go button with or without giving search criteria it will load the commodity codes in to the list. 6. You want to modify the service with custom code implementations. 3. 9. This field control can contain numbers and "7" means mandatory. Click on ValueList-> Create Annotation. These steps cover the general procedure, but need some consideration for your own SAP OData system and your preferred techniques for configuring SAP. Odata Service to get one table records via RFC. 3. method define. provide any customer number (check if data is available in table SCUSTOM) and click on Display PDF button. oData set decimal notation format. After analyzing source code, unit tests and some intensive debugging sessions I managed to bind TreeTable to Odata. Is it possible to add annotations like sap:nullable, sap:filterable etc. Fig 3 . CATCH /iwbep/cx_mgw_med_exception . 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. method. Then, create the deep structure & activate. Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. 40 18 52,052. privacy statement, for purposes that may include site operation, analytics, enhanced user experience, or advertising. The. String, length 1000. 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 Service Builder creates an extension class CL_<Project Name>_MPC_EXT for the MPC, which is the implementation class. e. ODATA Service can be used freely without license or Contract. MPC_EXT Class. xml,. 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. Reason is that only this way it is. 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. If there are associated. 2. In my earlier blog Let’s code CRUDQ and Function Import operations in OData service! we understood the basic operation performed in OData service. vocabularies. 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. 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. I tested CREATE_STREAM and works great, i've got the uploaded CSV file and inserted data into my custom table. Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. sap. Value Help Entity: Customer Value Help. It seems '/IWBEP/IF_MGW_ODATA_ANNOTATABL~create_annotation' can add annotations. 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. g. entity set) on which we want the list report to be based. Tcode: SEGW. This structural metadata makes it easy to understand a service, and human. Ensure that the date oData property has below annotation. It is also extensible which allows to add data types from ABAP Dictionary. 2. Step 2: Redefine the MPC_EXT “DEFINE” method and call the below code. 30 min. Create three entity types and Entity Sets. Note Generation of MPC and DPC: Case 1: Overwrite Base/Extended Service - If you have redefined an existing service, an additional section Service Extension will appear in this wizard. Go to change mode and Select the DEFINE method and click on redefine button. 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 System: 3 Code Snippets: 3. DATA ls_attach TYPE ZUI_ATTACHMENTS_S. This is how my DEFINE method is looking in MPC_EXT. Any functions will be seen here as well. Create Table Type. I tried to make my child set i. Additionally, you can use filter-restriction annotation to turn this filter interval as in from and to style. sending key parameters to media entity through navigation property. The properties of an entity can be annotated using the Model class ( MPC_EXT ) before the service’s metadata is. We would like to show you a description here but the site won’t allow us. Issue in creating entity set as creatable & updatable. String with a length. SAP Fiori, Beginner, SAP BTP, ABAP environment, Tutorial, SAP Business Technology Platform. In the next screen enter below inputs to create Soheaderdata entitytype and SoheaderdataSet entityset. Here a sample code of how to set the entity EmployeePhoto to Stream in order to send Employee’s photo through SAP GW oData Service: ( source )Note : The structure for this purpose can also be created in MPC_EXT public section, I have created in SE11 for demonstrating the other possibilities. You will then see Device Types tab. 2. lo_annotation->add( iv_key = 'filter-restriction' iv_value = 'interval' ). Following is a snippet of the item CDS entity which will be represented as a table in the ui of object page. First, we define CDS view based on table TCURT with language, key and text fields from it. I used an annotation like this: (in the method define of the. END OF ts_deep_entity . Select the entity type “ZFILE” you just created and Choose the check box media as selected. After select there is a call function 'scms_binary_to_xstring'. Right click on the Data Model folder and select Redefine OData Service (SAP GW). I tried case statement in cds view to check null value but it's not working. This requires you to specify only the key from the principal entity. Feel free to add more methods in this and send a PR. 4 SP012 on HDB) with only SPFLI structure and. So continuing the ABAP Unit Test momentum from previous blog, we have managed to create ABAP Unit test for Odata services. My CDS views are shown below at the code section. 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. Entity Type – it acts as work area , Entity. The method name to achieve the same is – DEFINE. Here the property can be handled by redefining the DEFINE method of MPC_EXT class of the ODataNavigation-1 – HeadItemO. So we have to use the option to add additional metadata by implementing the DEFINE method in the model provider extension class. Your OData service will define an entity type, SD_HEADER for example. Any suggestions? Property type valdt - Edm. The OData service in this example is created using ‘Reference Data Source’ option in SAP OData Service builder (SEGW). You will get the annotations of the original service – This is because of Configuration in point 6 and point 7. 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. ty_sales, id TYPE char10, otherprop TYPE char20, return TYPE TABLE OF ESH_S_IF_MESSAGE WITH. When redefining a service, a new OData service generates a new Model Provider Class (MPC), and a new Data Provider Class (DPC). method define. methods DEFINE: redefinition . This scenario is suitable when the data is modelled through the entities in SEGW. datetime alone is not enough to ensure proper conversion during OData parsing. METHOD define. Even a simple web browser can access data through ODATA Service. To configure a well-defined SAP Gateway OData service, complete the following steps in your SAP system. Create a Gateway project: ZMEDIALNK_SB. Rahul, I would suggest using a code based approach. r. Open up DPC_EXT class and redefine DEFINE method. Generate runtime artifacts. This is quite unfortunate since most of the OData services hat have been delivered with SAP S/4HANA are based on RDS. When i click on the entityset it says "NO values found". OData. Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. lv_tech_clause = YOUR_EXPANDED_CLAUSE. 10. publish-Annotation" for the generation of the oData-Service and in this case there is no mpc_ext class available in the Service . using two entities, separation of media and non-media data. With List Report, we will cover QUERIES, Sevice Definition, Service Binding and SAP Fiori UI. It is not possible to use the @OData: true annotation or variations, because explicit manupulation of the Model Provider classes is necessary (*_MPC_EXT). Since there are currently no plans to downport the feature to 750 Sérgio Fraga plans to post his implementation as a blog post. For the sake of simplicity we assume that the ABAP names are used in the OData metadata document. public section. Go to transaction code – SEGW . Activate the SAP Gateway. This is a preview of a SAP Knowledge Base Article. METHOD define. PUBLIC SECTION. We can then fetch data using get_entityset method of DPC_EXT class. To generate the classes and publish the service, proceed as follows: In the SAP Gateway Service Builder, right click the project name and click . 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. You can specify that certain roles in a schema are mandatory, i. Posted on: January 14, 2019 | By: Pawan Kesari – 1 Comment. These steps cover the general procedure, but need some consideration for your own SAP OData system and your preferred techniques for configuring SAP. The reason is when ever u change the Model or Service implementation in your GW Service builder, again run-time object should be regenerated in-order to. Our view is now ready. case when _konp. , when the OData is created through the CDS view). Right click on ZCL_ZTEST_MPC_EXT and select on Workbench option. 14. I failed with. Voila! We are done. 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. A CDS custom entity provides the signature of a CDS entity. Chose project type List Report Extension, Action, Select entityset and specify a label. Further we are going to write logic in MPC_EXT class for creating annotations. As evident from the heading am not able to debug DPX_EXT methods because of External Breakpoints not triggering. Redefine methods of MPC extension class DEFINE. Enter the Odata Service name in “Technical Service Name”. " Now example of expand entity types to_changelog type. The Wizard Step 1 of 2: Redefine Service appears. g. The. Navigation-2 – HeadItemT. lo_entity_type. 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. Done. You want to know how to redefine a method in _MPC_EXT or _DPC_EXT. Create one header database table as root, and another database table as item. @OData. Get stream method in . In terms of annotation. MPC_EXT) super->define ( ). filter. When redefining a service, a new OData service generates a new Model Provider Class (MPC), and a new Data Provider Class (DPC). Here you can override the define( ) method in the MPC_EXT class as described here for another used case. Keep the default class names as-is and click on enter button. Fig 4Value List - Local Annotation on top of odata v2 exposed CDS. Here is the link to the github repo for the class and sample code to use this class. Inside DEFINE method you are calling super->define ( ) for original service to add it annotation, later in the code you have inserted. Dec 19, 2021 at 13:41. There are some blog post already about how to do this, my blog post is an extension to this. 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. Click the Define Method and choose the redefine button to redefine it:. you can àlso concante if you expand to multiply. Here comes the concept of Custom CDS entity. 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. I have been checking format possibilities in SEGW and I have learnt to apply ALPHA format to some of my fields in MDP_EXT class but I cannot find the way to apply the decimal notation format to numbers. String , length 10. Redefining Services from External Framework (SPI, BW Query, GenIL) – SAP Help Portal . 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. 987 Views. So far so good, nothing new, except for the MPC and DPC classes. Now let’s generate runtime artifacts. I could use an implicit enhancement to add custom code to this. methods DEFINE: redefinition . Data provider class provides the methods to Data provider Extension class, so developer can implement the functionalities for database interaction. 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. OData Services based on OData queries can be extended. 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. Now GET_ENTITYSET method is redefine and we have to write our logic inside the method. This document provides details for generating MPC for two Project Types: This is the Implementation class that inherits Base class. There are various ways of creating configuration but the easiest way to create is via. Object Type: IWSV. It has one input parameter which is SONumber. Create a new entity type that refers the dictionary structure created in step 1 and flag the media checkbox. The Model and Service Definition window displays. Valdt is null then '00000000'. METHOD define . Here below are steps to achieve it. Vote up 1 Vote down. Select the GET_ENTITYSET method and click on REDEFINE button. Go to the Types and declare a type: types: BEGIN OF ts_deep_entity. There is some data dexlarations and read and select queries. Generate the runtime artifacts and redefine the DEFINE method in MPC_EXT The following code here : METHOD define. METHOD define. 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. 10. In this example, we will use 2 entities Sales Order Header (SOHeader). This is important because its DPC_EXT and MPC_EXT classes which we will be using to add actions. Further we are going to write logic in MPC_EXT class for creating annotations. Click to switch to edit mode. Use this option if: The CDS model and the CDS annotations fully specify the OData Model and the runtime behavior. whether an entity set allows free-text search via an SAP-defined query option. 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. Entity Type 5 – mpos. 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. Once the artifacts are generated redefine get_entity in DPC_EXT class to fetch multiple records. Go to your Service’s MPC_EXT class and redefine your DEFINE method. FilterFacets annotation. This scenario is suitable when the data is modelled through the entities in SEGW. A query provides read-only access to the database and it is. SEGW – OData MPC_EXT-DEFINE Code Collection. Partner schemas allow you to group various partner roles. I am not at all encouraging you to modify SAP standard programs or objects. 1 Answer. 0, and can register odata service from gateway for Timesheet approval (HCM_Timesheet_approve_srv) and trigger succesfully. CDS View: Annotation. At the moment I have a value list dialog instead of a drop down list. You will learn. Note: This is just based on my understanding and the analysis I’ve done on it in the S4 system with ABAP 7. PUBLIC SECTION. Odata mpc extension requirement. I want to define methods in Class which I am planning to use in standard methods of the class. Now, we are set with declarations and we can start the coding part. Enter Project Name, Description and assign the project to a Package. Now my issue is while i am inside define () method, i don't have any access to request details to know the user input. 19 Apr 2021. Click on Assign OData Service button. Passing a guid to SAP OData service in UI5. In the pop up, enter a package assignment and accept the defaults and press the check box. I have tried to replicate a similar operation through Flight Tables. The model provider extension class is registered in the back end using the technical service name. We are now going to add the ContractValidTo property to our list of default filters for our application. Flight Booking (Child) The application has been built with referring CDS views as data source. I have set up the update stream (DPC_EXT class) and the MPC_EXT (Define method). selectionType: #INTERVAL does that. 2 for Data provider and 2 for Model provider. MessageBox. Step 2: Redefine the MPC_EXT “DEFINE” method and call the below code. 9. These are the techniques I would like to share: code based implementation. class ZCL_ZFAR_CUSTOMER_LINE_MPC_EXT definition: public: inheriting from ZCL_ZFAR_CUSTOMER_LINE_MPC: create public . 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. 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. Any help will be appreciated. Model Provider Class (MPC): Two classes are generated for the MPC: MPC Implementation Class : An automatically generated class for an inherited MPC class of the specific model. Goto you MPC_EXT class. I'm on 7. These methods of the DPC must not be. Figure 1. super->define ( ). The SAP NetWeaver Gateway Service Builder opens. I tried to add annotations using the 'XXXXX_MPC_EXT' object. We want to expose Sales Order data as Odata service thus we will need 2 entities – Sales Order & Sales Order Items. Expand the folder Runtime artifacts and r ight-click on ZZCL_ZE2E100_XX_2_MPC_EXT and choose the entry Go To ABAP Workbench. You want to modify the service with custom code implementations. Most of funcionalities was supported by generator. 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. Select the Service and click “Add Selected Services”. Click on ‘Create Project’. . INCLUDE TYPE workorder_structure. Basic Object Page. Posted on: December 13, 2020 | By: Pawan Kesari – 3 Comments. Entity Type 1 – notif. Your data model is based on CDS, but is more complex than simple compositions and includes advanced features, such as transactional processing. The OData v2 protocol allows the use of annotations in the metadata document . When redefining a service, a new OData service generates a new Model Provider Class (MPC), and a new Data Provider Class (DPC). Annotation @UI. Code detail :- class ZCL_ZMEDIA_MPC_EXT definition public inheriting from ZCL_ZMEDIA_MPC create public . Z_CL_ Project_Name _RDS_DPC_EXT. We have two systems CED for Backend. How to redefine a method in _MPC_EXT or _DPC_EXT. 3. These annotations will e. The implementation of the logic to retrieve the data is implemented in an ABAP class. 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. Value Help F4. External Break-point not triggering for OData. But it doesn't add an annotation to the metadata. Then annotation staring at line 8 adds a facet of type #IDENTIFICATION_REFERENCE under collection facet. 9. " Example of material entity type definition for json data mapping, entity found by key TYPES BEGIN OF type_json_resp_material. Select the GET_ENTITYSET method and click on REDEFINE button. Out of the box use of Email Template is in S4 OM. Save it. In the ABAP Workbench, you should be able to find “CHECK_SUBSCRIPTION_AUTHORITY” in the “Methods” > “Inherited Methods”. 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. Then I created a function import SetDescription with two parameters Salesorder (Edm. 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. Now I was curious and wanted to know if I could try to implement the CREATE_STREAM method, which is actually the one to use to CREATE(UPLOAD) a new file. t. 2 5 4,497. Mary Roopini A on SEGW – OData MPC_EXT-DEFINE Code. Once generation is successful, you will get 4 classes. 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. Mark Entity set as ‘Requires Filter’ 2. Expand the folder Runtime artifacts and r ight-click on ZZCL_ZE2E100_XX_2_MPC_EXT and choose the entry Go To ABAP Workbench. A project named. Select ODATA V2 – UI from the options in Binding type. Create the corresponding association set explicitly by calling /IWBEP/IF_MGW_ODATA_MODEL->CREATE_ASSOCIATION_SET. you can use the method Define to create entity, properties etc using code based. GET_EXPANEDE_ENTITYSET is the way to go. I will showcase some of the Smart component features controlled by metadata annotations. 1. tell whether an entity set allows inserts, updates, or deletes, whether it requires a filter, and which properties can be used in filter expressions. In this blog I will explain creation of simple SAP Gateway OData service having association and navigation between entities. 2. 1) Deleted service , cleaned cache and re-registered service . 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. After you have copied files to ‘cofile’ and ‘data’ folder of target system log on to target SAP system. FilterFacets annotation, all field groups are displayed in the Adapt Filters dialog. The effect is the same as calling method BIND_STRUCTURE of interface /IWBEP/IF_MGW_ODATA_ENTITY_TYP . Customers, please check consumption of your OData APIs and reprogram / adjust implementations that rely on the property length for currency. 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. But that is also not working. For each of the artifacts created, one method is generated and is called inside this method. DATA: lo_ann_target TYPE REF TO /iwbep/if_mgw_vocan_ann_target. DATA: lo_annotation TYPE REF TO /iwbep/if_mgw_vocan_annotation. 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’. · Code the changes directly. Your email address will not be published. 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. Problems after editing DPC_EXT and MPC_EXT. This relation is defined using. Now go to menu Extras->Other Requests->Add. From the Analytical List report Fiori element documentation I got to know this type of application only works for analytical(?) and the OData service should have some specific annotations like - "aggregate" and "sap:aggregation-role=dimension/measure". Then I use that ODATA service in a. 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. Copy and paste the following coding into the DEFINE method. CDS Core Data Services for the field Modeled Data Source Type.