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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 ​

TagExplanation
✓generally and publicly available today
n/anot applicable for this combination
in prog.in progress; likely to become available near-term
plannedwe might pick that up for development soon
contrib?not scheduled for development by us so far
contribalready active contribution

CLI & Tools Support ​

CLI commands
Jump-start cds-based projectscds init <project>
Add a feature to an existing projectcds add <facets>
Add models from external sourcescds import <api>
Compile cds models to different outputscds compile <models>
Run your services in local servercds serve <services>
Run and restart on file changescds watch
Read-eval-event loopcds repl
Inspect effective configurationcds env
Prepare for deploymentcds build
Deploy to databases or cloudcds deploy
Login to multitenant SaaS applicationcds login <app-url>
Logout from multitenant SaaS applicationcds logout
Subscribe a tenant to a SaaS applicationcds subscribe <tenant>
Unsubscribe a tenant from a SaaS applicationcds unsubscribe <tenant>
Pull the base model for a SaaS extensioncds pull
Push a SaaS extensioncds push

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 SupportApplication StudioVS CodeEclipse
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✓
Nested Projectionsin prog.
Calculated Elements✓
Managed n:m Associationsplanned
Pluggable CDS linterin prog.
CDS linter✓

Providing Services ​

Core Framework FeaturesCDSNode.jsJava
Automatically Serving CRUD Requestsn/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 JWTn/a✓✓
Basic Authenticationn/a✓✓

Enterprise FeaturesCDSNode.jsJava
Authorization✓✓✓
Analytics in Fiori✓in prog.✓
Localization/i18n✓✓✓
Managed Data✓✓✓
Localized Data✓✓✓
Temporal Data✓✓✓
Dynamic Extensibility✓✓✓
Monitoring / Logging [Node.js|Java]n/a✓✓
Audit Logging [Node.js|Java]n/a✓✓

Inbound Protocol SupportCDS 1Node.jsJava
REST/OpenAPI✓✓✓
OData V2 2✓✓ 3✓
OData V4✓✓✓
OData V4 for APIsin prog.in prog.in prog.
GraphQL4contrib?✓5contrib? 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 APIsNode.jsJava
Uniform Consumption APIs → Hexagonal Architecture✓✓
Dynamic Querying✓✓
Programmatic Delegation✓✓
Generic Delegationplannedplanned
Resilience (retry, circuit breaking, ...)contrib?✓

Outbound Protocol SupportCDS 1Node.jsJava
REST/OpenAPI✓✓✓
OData V2✓✓✓
OData V4✓✓✓
GraphQL2contrib?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 ​

CDSNode.jsJava
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✓✓
Composite Messaging (routing by configuration) [Node.js|Java]n/a✓✓
Import AsyncAPIplanned
Export AsyncAPI✓

Database Support ​

CDS/deployNode.jsJava
SAP HANA✓✓✓
SAP HANA Cloud✓✓✓
PostgreSQL✓✓✓
SQLite 1✓✓✓
H2 1✓n/a✓
MongoDB out of the boxn/an/ain prog.
Pluggable drivers architecturein prog.in prog.✓
Out-of-the-box support for other databases?contrib?contrib?contrib?

1 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 ​

CDSNode.jsJava
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.jsJava
Deploy to/run on SAP BTP, Cloud Foundry environment✓✓
Deploy to/run on Kubernetes1in prog.in prog.
Deploy to/run on Kyma✓✓
SaaS on-/off-boarding✓✓
Multitenancy✓✓
Health checksplanned✓

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

Extensibility ​

Tenant-Specific Extensions✓
Adding Extension Fields✓
Adding new Entities✓
Adding new Relationships✓
Adding/Overriding Annotations✓
Adding Eventsplanned
Extension Namespaces✓
Extension Templates✓
Custom Governance Checksin prog.
Generic Input Validations✓
Declarative Constraintsplanned
Execute Sandboxed Codeplanned
Runtime API for In-App Extensibilityin prog.
Key-User Extensibility (incl. UI)in prog.
Propagating Extensions across (µ) Servicesplanned