Now click on SAP Gateway Client after selecting your service to go to gateway client and actually test your service. Without it, you will lose your content and badges. If you have any question/query regarding this blog post or anything related to Odata, ABAP, JAVA, Android or any other technology, post a comment I will try to answer it. Go-to t-code 'SEGW' -> click on icon 'Create Project'. Custom behavior (known as function imports)beyond the standard QUERY, CREATE, READ,UPDATE, DELETE (QCRUD) operations. Define RFC connections from SAP Gateway to your back-end system. (Optional) If you want your service to load test data, you can switch TEST_MODE to true. The URL should only be https://services.odata.orgYou can find more information on the used properties in the documentation.
The error mentions that the service the bot is trying to hit is not added in the system and would be like No service available for the namespace
and would end with status 403 Forbidden. Create a Destination in the SAP BTP Cockpit | SAP In case of embedded deployment, front end server (ex: FIORI server) and backend ABAP server are on the same system. Click on generate button and below pop up comes. Please write the below code in method as shown below, Here we are first reading the data form HTTP request and based on that data we read are reading data from VBAP . I found it really helpful to understand the basic in one go! I tried to explain the whole process in 5 steps. Would it be possible to build a powerless holographic projector? Now we are going to define structure of work area and internal table , Right click on Data model select import and select DDIC structure . It's nice of you to share your experience but it's not clear what does this blog add to this subject. If so, you need SAP Universal ID. These remote systems can be on-premises or in the cloud. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Open the file tasks.json from folder .vscode and uncomment the line "-login", "XSUAA", in every of the configurations as shown below. First we need to create the service instances via the Multi-Target-Archive. Now our Odata Service has been created successfully. In the last prompt of the wizard, please locate the previously created metadata.csdl.xml file from your workspace (/home/user/projects/MBTEPMDemoService) and click OK. If you have multiple accounts, use the Consolidation Tool to merge your content. Logon to SAP S/4HANA On-Premise Back-end system using SAP Logon. The above mentioned steps would be a pre-requisite for running bots on SAP S/4HANA On-Premise systems in order to add the API services into the system. Open your workspace's default projects folder. In Customizing for SAP NetWeaver, choose Gateway OData Channel Administration General Settings SAP NetWeaver Gateway to SAP System Activate and Maintain Services (or run transaction /IWFND/MAINT_SERVICE). A pop up window will appear , enter the package details and click on tick icon. You might want to review this from the reader perspective and add more details as well as your personal experience. Now go to Service Implementation folder on created service. We had redefined method of MDP Extension class to bind the structure. Ensure that this is checked. Find the application route either from the terminal output (red box) or via the applications in BTP Cockpit, as in the following screenshot. Its recommended to implement an interface-specific single index table to ensure full flexibility, especially if you expect a high load of messages or if you plan to define key fields for your interface (now or later). Enter your interface name SALESORD and version 1 and enter the name of the newly created single index table ZSO_MON_IDX in the field Message Index Table. The mobile back-end tools are a set of tools that enable a developer to model an OData service and generate a Java EE web application to implement the OData service, along with automatic creation of the necessary database tables within a pre-existing database schema. We have our first Odata created and we fetched data from the database table. You can achieve this by adding them to the manifest.yml that was generated in your workspace. Click on the button "ICF Node" and then Click on Configure (SICF) from the drop down. This will be the root folder of the OData service. Or is this a OData out-of-the-box functionality? In a few months, SAP Universal ID will be the only option to login to SAP Community. Congratulations! Therefore you execute task csdl-to-war-test or edit the variable in file TestSettings.java from your workspace at the path srv src main java com sap mbtepmdemo TestSettings.java. A new screen will come, Execute the transaction and check the response . Use a test client of your choice to call the OData service to fetch the details of a particular sales order. 1. In this tutorial, you will learn how to create a simple SAP Application Interface Framework interface that enables you to monitor an OData service. The information for the newly incoming messages is stored in the new single index table of the interface. Now expand folder entity type and fill the below parameters in properties , Please dont tick Null check box for VBELN as it is key field. Open T-Code SEGW Click on create a new project. It is important that this is specifically opened, because the following commands will deploy files to the currently opened folder. You will redirect to other screen. Here in below screen , we are going to do changes for HTTP request for header entity set . Enter the name ZSO_MON_IDX for the new table and select Continue. The problem starts when the writer does not take the 100 previous blogs into consideration and doesn't offer anything different to the readers. Here we will post data based on odata request . Choose New Entries, enter the name ZODATA_TEST_RECIPIENT for your new recipient, and add a meaningful description. Create a Destination in the SAP BTP Cockpit, https://services.odata.org/V2/Northwind/Northwind.svc/, https://services.odata.org/V4/Northwind/Northwind.svc/, https://cockpit.eu10.hana.ondemand.com/cockpit/, What some of the additional properties are for, How to specify the SAP Business Application Studio usage parameter for a generic OData service. Answer the prompts with the following values: The command creates a blank metadata file for you that you can now open and edit with the XML editor. In Folder data model, we can see three sub folders. Click on Icon Create. Type cf login, click CF: Login to Cloud Foundry. Is there any way to do it? Select Terminal Run Task and select the task csdl-to-war to generate, deploy and run the service to your space. A pop window will appear , Fill the details as per below mention in screen shot and click on check icon or enter. how about it sir? These are also knowns as runtime artifacts. Click on below button and create, add and delete new fields as per requirement. We register our Odata in the system where it will be used, so in embedded it will the same system and in the hub, there will be another system. If you have multiple accounts, use the Consolidation Tool to merge your content. now go to transaction SEGW and expand folder Runtime Artifacts . Entity Type it acts as work area , Entity Sets -It act as internal table and associations. If so, you need SAP Universal ID. Thaks! We will only edit classes which have _EXT at the end, not the base classes, this is because base classes get overwritten whenever you regenerate the service. In a few months, SAP Universal ID will be the only option to login to SAP Community. We had created association and association sets, generated the runtime artifacts. Run the ABAP Editor (transaction code SE38) and enter /AIF/ODATA_TRANSFER_JOB in the Program field. You will get data for item. 2591275 - How to activate and maintain OData service - SAP SAP Application Interface Framework, Beginner, Tutorial, SAP S/4HANA Create a simple AIF interface to enable monitoring of an OData Gateway service. SAP Fiori apps use OData to display and update data in back-end server (SAP or Non-SAP). Step 1. Now, lets go to the part which we skipped earlier, to our auto-generated MPC and DPC classes. Configure the OData V2 Receiver Adapter | SAP Help Portal Thus, a OData Service has been created, which consumes RFC of back-end system. Do not use the entire path for the URL. If you want to monitor the newly created interface in the Interface Monitor of the Message Dashboard app, you need a recipient for the interface. Entity types: Entity types are like ABAP structures. For someone searching for information finding many blogs with almost the same text on the same subject is, unfortunately, not helpful at all. When they are created, you can work with csdl-to-war again in order to push just the OData service. Click on Add services: Provide system alias name (if you do not know the system alias name please check from SPRO) and click on Get Services. Step 4. to get the data from HTTP request and Post the data . In our example, we use the basic OData sample service GWSAMPLE_BASIC. Yes, I want to create a project in SEGW. For beginner, its difficult to know how exactly these steps has been executed. i.e. And in the hub system, they are on a different system. Choose Add Service. An Information message will be shown where it will confirm about the service is created and metadata loaded successfully. There is no overview of what this service will achieve, no explanation why these steps and no actual tips, from what I see. https://api.cf.us10-001.hana.ondemand.com. One RFC-Destination connecting to SAP-R3 (back-end) System, Go-to t-code SEGW -> click on icon Create Project, Click ok icon, OData project gets created, Now we need to create a Entity-Type which is meta structure to hold RFC table output, Select Entity-Types -> right click -. Based on your requirement , you can take your custom structure or even define your structure in class for binding. For reference check the full manifest.yml file content. To also add business-related errors, you need to change the log level. Check with the following example for reference: When inserting snippets to YAML files, pay attention to the indentation of the lines, as YAML is indentation-sensitive. This is a example of business scenario where we need to display/update data of SAP-R3 (Back-end) server in SAP UI5 Application. SPRO is huge!). can you please guide. In a few months, SAP Universal ID will be the only option to login to SAP Community. Select 'Entity-Types' -> right click -. Information message will pop up Metadata has been loaded successfully. RFC returns output in table format, which we need to map structure of OData-Entity-Type Materiallist. You can use table /AIF/T_ODATA_IDX as a template by entering /AIF/T_ODATA_IDX in the field Database table, right-clicking it and selecting Copy. While these are the valid steps for the traditional code-based OData development approach, it should be noted that at present time, other development models exist that are more suitable for development in S/4HANA. laxmi jibheThanks for sharing this. Stay tuned, for more basic and simple posts. In Folder data model, we can see three sub folders. While still in Customizing (transaction code /n/AIF/CUST), navigate to Interface Development > Additional Interface Properties > Define OData Services. I share this on LinkedIn if you don't mind. I'm guessing your next post would cover adding more code? Associations: We will come to this later. tick on Vbeln as key field and click on finish. Before posting data , we will check values in VBAK , VBAP and custom table. While still in Customizing (transaction code /n/AIF/CUST), navigate to SAP Application Interface Framework > Error Handling > Define Namespace-Specific Features. Go to transaction /IWFND/MAINT_SERVICE and find out you service , select your service and click on load metadata. Sorry for delayed response, I was too much busy in my current project. This could be checked by entering the API name in the search dialog box. In the upcoming dialog, select the Structure radio button. In this blog post, I am going to tell you step by step process to Post Odata services for SAP /SAP HANA system and how to test it. There is at least a dozen of SCN blogs already (Exhibit A and Exhibit B just from the top of the list) that explain the same steps with the same screenshots and level of detail. Why wouldn't a plane start its take-off run from the very beginning of the runway to keep the option to utilize the full runway if necessary? rev2023.6.2.43474. many thanks for your interesting blog post! Destinations are key building blocks in SAP BTP, and are used to define connections for outbound communication from your application to remote systems. In those documents it was given very high level steps. In further tutorials you can therefore extend, connect and build an app on top of it. For demo purposes, you may also directly execute the program with variant instead of scheduling a background job once you have sent an erroneous sample message. While creating Odata services, I had gone through multiple blogs post and found that there are few steps which are not self explanatory and hence at the end of creating an odata service we get bad HTTP response . Next, create a new structure in ABAP Dictionary to be used in your interface later. Enter or select the namespace and the recipient you created before. us10-001, currently used in SAP BTP Trial by default), you might receive the error "The redirect_uri has an invalid domain". For example: if we write a RFC which accepts MATNR and based on this input it returns MARA table details, then in same manner your odata-service also should work, Case-1: Suppose you have a RFC which gives all records of MARA table without any input parameter, here you can apply logic to filter records in OdataService, but this should be avoidded becasue here you are fetching all data via RFC and doing filtration using OdataService. Select the Variants radio button, and choose Display. A browser window opens, displaying the service entities. Odata supports message formats like JSON, XML. On the next screen, enter a name for the variant, here SALES_ORDER, and choose Create. Similarly , Write code for GetEntitySet for Item and activate . We had also redefined DPC extension class to Get entity data ,entity Set data and post data and updated custom table. Now you must be wondering when we are developing any OData service in our project, are we going to add fields in entity types one by one. Indeed, Great Job! You may get warning message , it can be totally ignored. In the 3rd screen of the wizard all the selected fields are displayed. Choose Continue. Now double click on your project name service . We hat the same question into a customer project. For oData Service Name, enter GWSAMPLE_BASIC. On logging in, Go to the Activate and Maintain Service screen by using the transaction code . Functionality of RFC is like, on invoke, it returns MARA table details. If the service is not yet added in the system, it would appear on the screen as shown below. MateriallistSet. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. have you enabled ODATA service via transaction SICF ? While still in Customizing (transaction code /n/AIF/CUST), navigate to Interface Development > Define Interfaces. We had redefined methods of header and item entity set , load metadata and test the entity set with for test data. A Step by Step process to Post Odata services in SAP / SAP HANA system In next screen , It will show the link for association Set for header and item entity. Choose Continue. Thanks Dilip for your blog.Can you post how to use associations. If you want to see your output in JSON, just $format=xml to $format=json. In this tutorial, you will rebuild a small part of the GWSAMPLE_BASIC OData service publicly available on the SAP Gateway Demo system (ES5) using the XML Editor in SAP Business Application Studio. 0500000000. DPC used to code your CRUDQ methods as well as function import methods. Then you're promising to share your experience, "tips and tricks" etc. Similarly Create Structure for SD Item following same steps, click on Save button at the top of menu bar. Information message will pop up Metadata has been loaded successfully. Create a Simple OData Service with Mobile Back-End Tools | SAP Configure SAP Gateway and Activate OData Service On the Activate and Maintain Services screen, choose Add Service. When the command terminates it will show a terminal output like the following (green box). Invocation of Polski Package Sometimes Produces Strange Hyphenation. Thanks for the nice blog, Laxmi. Step 1 Enter your BTP account For trial Accounts: https://account.hanatrial.ondemand.com For free tier and enterprise accounts on feature set A: https://account.hana.ondemand.com For free tier and enterprise accounts on feature set B: The link depends on your region. For example, you've mentioned "I faced a lot of challenges" but what were they? We had registered and activated our OData service and loaded metadata. Beginner 30 min. Go to Customizing for SAP Application Interface Framework (transaction code /n/AIF/CUST) and navigate to Interface Development > Define Namespace. Alerting is not available for unauthorized users, Right click and copy the link to share this comment, upon executing the URI, from the SAP NetWeaver Gateway Client from your example below for Header, it seems to automatically run the method get_entityset ( or is it get_entity) and return the correspondence value. Now next is to register the Service for same, we can follow below link: Once service gets registered, it can be consumed in SAP UI5 Application for display/upload of back-end data. Data Model: It contains three subfolders. Alternatively, if youve set up Message Monitoring in the SAP Fiori launchpad, you can check the test results there. Hi Ajit - Thanks for the blog. In embedded system Go to your Gateway Hub (Front-end system) and execute t-code /n/IWFND/MAINT_SERVICE. Alerting is not available for unauthorized users, Right click and copy the link to share this comment. I am trying to implement batch process but I can not see $batch URI in Add URI options list. Youve created a simple OData interface and set up monitoring for it in SAP Application Interface Framework. Could you let us know which bot you are trying to execute and the error that you are getting in the cloud factory. or we fetch all data with the rfc and inside the classes implemented in the odata we filter it ? If so, you need SAP Universal ID. Select the Explorer panel from the Activity Bar and click Open Folder. Open the file metadata.csdl.xml, paste the following content and save. Now lets create one more entity type following the same procedure, this time we will create POItem from EKPO. And under the service maintenance folder, we have all our CRUD operations. Properties and Navigation. go to Association folder , right click on it and select Create. Create a Simple OData Interface | Tutorials for SAP Developers This will schedule the background job to run on a regular basis. Click on Icon Create. Provide the name of your project and a project with the following structure gets created. You can also switch the single index table later, but when you do, all processed messages stored in the old single index table will no longer be visible in the Interface Monitor. First story of aliens pretending to be humans especially a "human" family (like Coneheads) that is trying to fit in, maybe for a long time? Now, we have Purchase Order header and Purchase Order Item entity type i.e, structure and entity set i.e, internal table ready. (Optional) Define settings for the Push Functionality. In Transaction /IWFND/MAINT_SERVICE , Select your Odata service and click on below Pushbutton on screen which you can see in right bottom window. Once the system alias is created, Maintain that for your odata service in /IWFND/MAINT_SERVICE. Another screen opens up and double click on the service as highlighted below. I hope by now you may have already addressed all required developer-roles. so I decided to start this blog post so that I can pass on the information which I collected through my experiment. Here the table is updated with the values for POST , Based on logic written on VBAP and VBAK in Create entity method of DPC Extension class. Create metadata file in SAP Business Application Studio. Let me know in comments and we will try to resolve them. Step 1. In this case, a response with http status code 200 containing the sales order details should be returned. Please fill the details as mentioned in below screen shot, press enter and click on next. The answer is NO. OData (Open Data Protocol) is a standardized protocol for creating and consuming data APIs. Enter the user credentials in your test client to log on to your backend system. While adding a service in /IWFND/MAINT_SERVICE,Iam getting an error "System alias 'LOCAL' does not exist".Please help me out if any necessary configuration is missed out. Once added, the services should appear in the transaction Activate and Maintain Services. Write below code in method. Right click on GetEntitySet and select GO to ABAP work Bench . As mentioned, this blog series is aimed for beginners only so I have tried to keep it simple. Go to Customizing (transaction code /n/AIF/CUST) and navigate to SAP Application Interface Framework > Error Handling > Define Namespace-Specific Features. Log on to the SAP Gateway server as administrator. Can you help me understand , after loading the metadata, when i attempt to click on "SAP Gateway Client " button, the click is acknowledged but the new window as seen in this blog is not appearing at all, what could be the reason. While still in Customizing (transaction code /n/AIF/CUST), navigate to SAP Application Interface Framework > Error Handling > Define Interface-Specific Features. I've other options along including count. We have much more to learn Odata and UI5, stay tuned I will bring in more content for you. If you have multiple accounts, use the Consolidation Tool to merge your content. To be able to see any data in the Interface Monitor or the Message Dashboard, a recipient must be assigned to the interface they want to monitor. Lets send in sample requests to test the SAP Application Interface Framework interface. Why did you start this and what were you trying to achieve? You can observe in the Terminal if the run was successful. Go to transaction code SEGW and expand folder service Implementation . You can provide the service name in External Service Name to directly go to your service. Check the boxes for Overview and Technical User. Then the backend session is always handled by the technical user and its respective authorizations. Entity Type it acts as work area , Entity Sets -It act as internal table and associations. Click on Icon Create. Now click on generate Icon, A pop up window will appear with class details , click on tick icon and proceed further. Provide name of the entity type and the structure from which we are importing fields. Step 3. Thanks for contributing an answer to Stack Overflow! You will see the header and item entity fields in response . For Post, Fetch CSRF token and then post. Very elaborative document on creaing Odata service laxmi jibhe, Thank you for sharing excellent information. In an UI5 application the batch processing in the Odata Model must be disabled for this. Could you me to identify the reason. In this case, you get an http error code 400 Bad Request. A destination has a name, a URL, authentication details, and some other configuration details. How to say They came, they saw, they conquered in Latin? OData services need to be configured in SAP S/4HANA for communication with web services. Once the service is added, we also configure ICF Node. In Folder data model, we can see three sub folders. In an UI5 application the batch processing in the Odata Model must be disabled for this. If someone reads this blog and they start applying this process in an S/4HANA 2020 system, for example, where RAP model would work just fine, that would not be a good solution. Select checkbox Create Related Entity Set, this will create a related entity set (internal table). Now lets execute odata service in batch mode to get data and post data in one request . It's actually very frustrating and you feel like you're going in circles. If your namespace contains more than one interface, select interface SALESORD of version 1. Now we need to create a "Entity-Type" which is meta structure to hold RFC table output. Lets create our Entity type again, this time we will choose the import option. Thanks. The steps are clear and easy to understand. I want to create an OData Service to be public, so no need for username and password verification. From here, the basic endpoint URL can be gathered. Here we can see, extension for data provider and module provider class. When you specify a URL with the HTTPS scheme, a checkbox Use default JDK truststore will appear. These services are being used by the SAP Intelligent RPA bots for SAP S/4HANA processes. Select New Entries to create a new entry in Define Interface-Specific Features. A pop window will appear , Fill the details as per below mention in screen shot and click on check icon or enter. Javascript must be enabled for the correct page display. I was just doing a similar thing and I get an error that the factory variables could not be read. An Information message will be shown where it will confirm about the service is created and metadata loaded successfully. Create a package that serves as the destination for your newly created objects. To support both versions, and other versions that may be added later, you will create a generic connection to the Northwind service. Now all the services which are available in the given system will be displayed here. Of course, even if there are already 100 blogs written about something it doesn't mean that no one is allowed to write the 101st one. The Northwind OData services comes in several versions. In case of doubt, double check the API Endpoint in BTP Cockpit, Overview of the Subaccount, e.g. If so, you need SAP Universal ID. Here , We had completed our Odata service creation with a Service Builder Project with two entities and two entity-sets. In the Create Step dialog, enter the program name /AIF/ODATA_TRANSFER_JOB and the previously created variant SALES_ORDER. Go to transaction code /IWFND/MAINT_SERVICE . PS: How to check if you get any errors while executing Odata. Step 1. You can see Association and Association Set details as below with the navigation properties under your project as shown below. A pop window will appear , Fill the details as per below mention in screen shot and click on check icon or enter. Follow the link for odata creation https://blogs.sap.com/2021/05/06/a-step-by-step-process-to-create-odata-services-in-sap-sap-hana-system/.
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