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Support Enums in CaseBuilder #635

dmitrygusev opened this issue Jan 21, 2014 · 1 comment

Support Enums in CaseBuilder #635

dmitrygusev opened this issue Jan 21, 2014 · 1 comment


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@dmitrygusev dmitrygusev commented Jan 21, 2014

This is similar to #574 but for enums. Supporting enums allows ordering and aggregation on EnumExpression, that are not available for SimpleExpression.

Something like this may work:

public <T extends Enum<T>> Cases<T,EnumExpression<T>> then(EnumExpression<T> expr) {
    return thenEnum(expr);

private <T extends Enum<T>> Cases<T,EnumExpression<T>> thenEnum(EnumExpression<T> expr) {

    Class<T> enumClass = (Class<T>) expr.getType();

    return new Cases<T,EnumExpression<T>>(enumClass) {
        protected EnumExpression<T> createResult(Class<T> type, Expression<T> last)
            return EnumOperation.create(type, Ops.CASE, last);
    }.addCase(when, expr);
timowest added a commit that referenced this issue Jan 21, 2014
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@timowest timowest commented Feb 8, 2014

Released in 3.3.1

@timowest timowest closed this Feb 8, 2014
@timowest timowest added this to the 3.3.1 milestone Apr 13, 2014
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