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jeserkin/example.java

Last active October 24, 2017 07:17
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example.java
private Collection<String> aggregateSomething(Based on) {
// validationResults is list of objects, that have method `giveMeSomething`. Need to call it in map
return Optional.of(on.getThisSomethingCollection())
.map(validationResults -> ...)
.ifPresent(Collectors.toSet());
}
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