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    Features Overview

    Following is an index of the features currently covered by CAP, with status and availability information. In addition, we also list features, which are planned or already in development, but not yet generally available, to give you an idea about our roadmap.

    Legend

    Tag Explanation
        ✔ generally and publicly available today
      n/a not applicable for this combination
    in prog. in progress; likely to become available near-term
    planned we might pick that up for development soon
    contrib? not scheduled for development by us so far
    contrib already active contribution

    CLI & Tools Support

    CLI commands  
    Jump-start cds-based projects cds init <project>
    Add a feature to an existing project cds add <facets>
    Add models from external sources cds import <api>
    Compile cds models to different outputs cds compile <models>
    Run your services in local server cds serve <services>
    Run and restart on file changes cds watch
    Read-eval-event loop cds repl
    Inspect effective configuration cds env
    Prepare for deployment cds build
    Deploy to databases or cloud cds deploy
    Create an extension project cds extend <app-url>
    Activate an extension project cds activate
    Login to extendable SaaS application cds login <app-url>
    Logout from extendable SaaS application cds logout

    Run cds help <command> to find details about an individual command. Use cds version to check the version that you’ve installed. To know what is the latest version, see the Release Notes for CAP.


    Editors/IDE Support Application Studio VSCode Eclipse
    CDS Syntax Highlighting ✔ ✔ ✔
    CDS Code Completion ✔ ✔ ✔
    CDS Prettifier ✔ ✔ ✔
    Advanced Debug/Run Tools ✔    
    Project Explorer ✔    
    …      

    CDS Language & Compiler

      CDS
    Entity-Relationship Modeling ✔
    Custom-defined Types ✔
    Views / Projections ✔
    Associations & Compositions ✔
    Annotations → Common, OData ✔
    Aspects ✔
    Services… ✔
    — w/ Redirected Associations ✔
    — w/ Auto-exposed Targets ✔
    — w/ Actions & Functions ✔
    — w/ Events ✔
    Managed Compositions of Aspects ✔
    Structured Elements planned
    Nested Projections planned
    Calculated Fields planned
    Managed n:m Associations planned
    Pluggable CDS linter in prog.
    CDS linter ✔

    Providing Services

    Core Framework Features CDS Node.js Java
    Automatically Serving CRUD Requests n/a ✔ ✔
    Deep-Read/Write Structured Documents ✔ ✔ ✔
    Automatic Input Validation ✔ ✔ ✔
    Auto-filled Primary Keys ✔ ✔ ✔
    Implicit Paging ✔ ✔ ✔
    Implicit Sorting ✔ ✔ ✔
    Access Control ✔ ✔ ✔
    Arrayed Elements ✔ ✔ ✔
    Streaming & Media Types ✔ ✔ ✔
    Conflict Detection through ETags ✔ ✔ ✔
    Authentication via JWT n/a ✔ ✔
    Basic Authentication n/a ✔ ✔


    Enterprise Features CDS Node.js Java
    Authorization ✔ ✔ ✔
    Analytics in Fiori ✔ in prog. ✔
    Localization/i18n ✔ ✔ ✔
    Managed Data ✔ ✔ ✔
    Localized Data ✔ ✔ ✔
    Temporal Data ✔ ✔ ✔
    Dynamic Extensibility ✔ ✔ ✔
    Monitoring / Logging [Node.js|Java] n/a ✔ ✔


    Inbound Protocol Support CDS 1 Node.js Java
    REST/OpenAPI ✔ ✔ ✔
    OData V2 2 ✔ ✔ 3 ✔
    OData V4 ✔ ✔ ✔
    OData V4 for APIs in prog. in prog. in prog.
    GraphQL4 contrib? ✔5 contrib? 6


    1 Export CDS models to …
    2 To support customers with existing OData V2 UIs
    3 Through V2 proxy;
    4 Could be a good case for 3rd-party contribution
    5 For Node.js try out the GraphQL Adapter
    6 For Java try out the provided sample code.

    Consuming Services

    Service Consumption APIs Node.js Java
    Uniform Consumption APIs → Hexagonal Architecture ✔ ✔
    Dynamic Querying ✔ ✔
    Programmatic Delegation ✔ ✔
    Generic Delegation planned planned
    Resilience (retry, circuit breaking, …) contrib? ✔


    Outbound Protocol Support CDS 1 Node.js Java
    REST/OpenAPI ✔ ✔ ✔
    OData V2 ✔ ✔ ✔
    OData V4 ✔ ✔ ✔
    GraphQL2 contrib? contrib? contrib?

    1 Import API to CSN
    2 Could be a good case for 3rd-party contribution

    Learn more about supported features for consuming services.

    Events / Messaging

      CDS Node.js Java
    Declared Events in CDS ✔ ✔ ✔
    Mock Broker (to speed up local dev) [Node.js|Java] n/a ✔ ✔
    SAP Event Mesh (Singletenancy) [Node.js|Java] n/a ✔ ✔
    SAP Event Mesh (Multitenancy) n/a ✔ ✔
    SAP Message Queuing (Singletenancy) [Node.js|Java] n/a ✔ ✔
    Composite Messaging (routing by configuration) [Node.js|Java] n/a ✔ ✔
    Event Logs (Kafka) n/a planned planned
    Import AsyncAPI planned    
    Export AsyncAPI ✔    

    Database Support

      CDS/deploy Node.js Java
    SAP HANA ✔ ✔ ✔
    SAP HANA Cloud ✔ ✔ ✔
    PostgreSQL ✔ contrib 1 ✔
    SQLite 2 ✔ ✔ ✔
    H2 2 ✔ n/a ✔
    MongoDB n/a n/a in prog.
    Pluggable drivers architecture in prog. in prog. ✔
    Out-of-the-box support for other databases? contrib? contrib? contrib?

    1 For Node.js, see the community project cds-pg - PostgreSQL adapter for SAP CDS.
    2 To speed up development. Not for productive use!

    You can already integrate your database of choice in a project or a contribution level. The last two are meant to further facilitate this by out-of-the-box features in CAP.

    UIs/Frontend Support

      CDS Node.js Java
    Serving Fiori UIs ✔ ✔ ✔
    Fiori Annotations in CDS ✔ ✔ ✔
    Advanced Value Help ✔ ✔ ✔
    Draft Support ✔ ✔ ✔
    Draft for Localized Data ✔ ✔ ✔
    Support for Fiori Analytics ✔ in prog. ✔
    Support for other UI technologies, e.g. Vue.js 1 ✔ ✔ ✔

    1 through standard REST/AJAX

    Platform Support & Integration

      Node.js Java
    Deploy to/run on SAP BTP, Cloud Foundry environment ✔ ✔
    Deploy to/run on Kubernetes1 in prog. in prog.
    Deploy to/run on Kyma ✔ ✔
    SaaS on-/off-boarding ✔ ✔
    Multitenancy ✔ ✔
    Health checks planned ✔

    1 Available on plain Kubernetes level → see blog post by Thomas Jung

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