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gszeliga/orIfEmpty.java

Created July 16, 2015 21:10
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orIfEmpty.java
Outcome<TariffStructure> tariff =
maybe(ctx.getTariffStructureService()
.flatMap(ts -> ts.get(ctx.getPrices().getTariffId())))
.orIfEmpty(() -> fail(format("Tariff structure with id '%d' could not be found", ctx.getPrices().getTariffId())));
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