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stevenwcarter/streams.java

Last active May 12, 2016 01:23
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Java 7 -> 8
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streams.java
// Old way of writing it
List<PartFilter> partFilters = FilterQueryBuilder.getFilters(PartFilter.class, clonedFilters);
for (PartFilter f : partFilters) {
if (f.getPartTerms() != null) {
f.getPartTerms().remove("sub_category");
}
}
// New way with Java 8 Stream API and Lambda functions
FilterQueryBuilder.getFilters(PartFilter.class, clonedFilters).stream()
.filter(f -> f.getPartTerms() != null)
.forEach(filter -> filter.getPartTerms().remove("sub_category"));
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