no-java-keywords

Rule Details

The CAP Java code generation bases its class and method names on CDS entities. If reserved Java keywords are used as CDS identifiers, the code generation or compilation may fail. This rule helps identify such identifiers early on and suggests using the @cds.java.name annotation.

Examples

✅   Correct example

In the following example, use of the reserved Java keyword as identifiers is fixed via the @cds.java.name annotation, so the rule doesn't raise any warnings:

db/schema.cds

namespace sap.capire.bookshop;

entity Books {
  key ID : Integer;
  @cds.java.name: 'isNew'
  new : Boolean;
};

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❌   Incorrect example

This example shows the reserved SQL keyword new used as an element name, so the rule will raise a warning:

db/schema.cds

namespace sap.capire.bookshop;

entity Books {
  key ID : Integer;
  new : Boolean; 
};

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Version

This rule was introduced in @sap/eslint-plugin-cds 3.2.0.