This change makes use of the Cypher-DSL dialect capatibilities and uses a String identifier internally for all objects. This will be the `elementId()` on Neo4j 5 and higher and `toString(id())` on Neo4j 4 and lower.
Unless explicitly configured by the user through having `@Id @GeneratedValue long id`, we don’t use the `id()` function anymore. This function has been deprecated in Neo4j 5.
Users are encouraged to use `@Id @GeneratedValue String id` for assigning the element id as object id or using custom unique identifiers or `@Id @GeneratedValue UUID id` or `@Id @GeneratedValue(value = UUIDStringGenerator.class) String id` for UUIDs.
We marked the long ids as deprecated, but don’t have any plans for now to remove them, so that future SDN versions will still be compatible with older Neo4j versions if the data model contains long ids.
We opted for using String’s directly to avoid tons of additional instances and rely on the JVMs excellent String caching capatiblities, thus, the `ElementId` interface - not usable so far anyhow - has been removed without current or planned replacement.
See #2716 and other tickets, closes#2718.
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