[jira] [Created] (ISIS-1695) Support value types (simple ones at least) as a first-class citizen

["Dan Haywood (JIRA)" <ji...@apache.org>]

Dan Haywood created ISIS-1695:
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             Summary: Support value types (simple ones at least) as a first-class citizen
                 Key: ISIS-1695
                 URL: https://issues.apache.org/jira/browse/ISIS-1695
             Project: Isis
          Issue Type: New Feature
            Reporter: Dan Haywood
            Priority: Minor
             Fix For: 2.4.0


I would like to reintroduce value types as a first-class citizen, but without requiring the developer to have to write lots of code to teach DataNucleus, Wicket and the RO viewer about these.

I don't have a general solution in mind on how to do this.

However, for very simple value types that are just a type-safe wrapper around a single field (eg Password, or Money, or Temperature, or Email say), then perhaps there might be a way to support this, eg :

public class Temperature implements org.apache.isis.valuetypes.Value<BigDecimal> { ... }

or

@Value(underlying=BigDecimal.class)
public class Temperature { ... }






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