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[MODORDERS-1120] - Support populating searchLocationId for correct te…
…nant during order opening (#957) [MODORDERS-1120] - Support populating searchLocationId for correct tenant during order opening
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package org.folio.orders.utils; | ||
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| import lombok.experimental.UtilityClass; | ||
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| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
| import java.util.function.Function; | ||
| import java.util.function.Predicate; | ||
| import java.util.stream.Collectors; | ||
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| /** | ||
| * Utility class allowing to perform stream operations in a more convenient way | ||
| */ | ||
| @UtilityClass | ||
| public class StreamUtils { | ||
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| public static <T> T find(Collection<T> collection, Predicate<T> predicate) { | ||
| for (T t : collection) { | ||
| if (predicate.test(t)) { | ||
| return t; | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
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| public static <T> List<T> filter(Collection<T> collection, Predicate<T> predicate) { | ||
| return collection.stream().filter(predicate).toList(); | ||
| } | ||
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| public static <K, V> List<V> map(Collection<K> collection, Function<K, V> mapper) { | ||
| return collection.stream().map(mapper).toList(); | ||
| } | ||
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| public static <K, V> Set<V> mapToSet(Collection<K> collection, Function<K, V> mapper) { | ||
| return collection.stream().map(mapper).collect(Collectors.toSet()); | ||
| } | ||
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| public static <T, K> Map<K, T> listToMap(Collection<T> collection, Function<T, K> toKey) { | ||
| return listToMap(collection, toKey, Function.identity()); | ||
| } | ||
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| public static <T, K, V> Map<K, V> listToMap(Collection<T> collection, Function<T, K> toKey, Function<T, V> toValue) { | ||
| return collection.stream().collect(Collectors.toMap(toKey, toValue, (a, b) -> a)); | ||
| } | ||
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| public static <T, K> Map<K, List<T>> groupBy(Collection<T> collection, Function<T, K> toKey) { | ||
| return groupBy(collection, toKey, Function.identity()); | ||
| } | ||
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| public static <T, K, V> Map<K, List<V>> groupBy(Collection<T> collection, Function<T, K> toKey, Function<T, V> toValue) { | ||
| Map<K, List<V>> map = new HashMap<>(); | ||
| for (T t : collection) { | ||
| K key = toKey.apply(t); | ||
| List<V> sublist = map.computeIfAbsent(key, k -> new ArrayList<>()); | ||
| sublist.add(toValue.apply(t)); | ||
| } | ||
| return map; | ||
| } | ||
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| } |
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