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feat: Fetched child folder information in parallel
Closes #26
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16 changes: 16 additions & 0 deletions
16
src/main/java/io/github/devatherock/artifactory/config/AppProperties.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| package io.github.devatherock.artifactory.config; | ||
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| import io.micronaut.context.annotation.ConfigurationProperties; | ||
| import lombok.Getter; | ||
| import lombok.Setter; | ||
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| @Getter | ||
| @Setter | ||
| @ConfigurationProperties("artifactory.badge") | ||
| public class AppProperties { | ||
| /** | ||
| * Amount of parallelization to use when fetching details about versions of an | ||
| * image | ||
| */ | ||
| private int parallelism = 5; | ||
| } |
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56 changes: 56 additions & 0 deletions
56
src/main/java/io/github/devatherock/artifactory/util/ParallelProcessor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| package io.github.devatherock.artifactory.util; | ||
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| import java.util.Comparator; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Map.Entry; | ||
| import java.util.Optional; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
| import java.util.concurrent.CountDownLatch; | ||
| import java.util.concurrent.Executor; | ||
| import java.util.concurrent.Semaphore; | ||
| import java.util.function.Supplier; | ||
| import java.util.stream.Collectors; | ||
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| import lombok.RequiredArgsConstructor; | ||
| import lombok.extern.slf4j.Slf4j; | ||
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| @Slf4j | ||
| @RequiredArgsConstructor | ||
| public class ParallelProcessor { | ||
| private final Executor executor; | ||
| private final Semaphore semaphore; // To limit parallelism in case of outbound API calls | ||
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| public <T> List<T> parallelProcess(List<Supplier<T>> suppliers) { | ||
| Map<Integer, Optional<T>> result = new ConcurrentHashMap<>(); | ||
| CountDownLatch countDownLatch = new CountDownLatch(suppliers.size()); | ||
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| try { | ||
| for (int index = 0; index < suppliers.size(); index++) { | ||
| int currentIndex = index; | ||
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| semaphore.acquire(); | ||
| executor.execute(() -> { | ||
| try { | ||
| LOGGER.trace("In parallelProcess. Index: {}", currentIndex); | ||
| T currentResult = suppliers.get(currentIndex).get(); | ||
| result.put(currentIndex, currentResult != null ? Optional.of(currentResult) : Optional.empty()); | ||
| } finally { | ||
| countDownLatch.countDown(); | ||
| semaphore.release(); | ||
| } | ||
| }); | ||
| } | ||
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| countDownLatch.await(); | ||
| } catch (InterruptedException exception) { | ||
| LOGGER.warn("Exception during parallel processing", exception); | ||
| } | ||
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| return result.entrySet() | ||
| .stream() | ||
| .sorted(Entry.comparingByKey(Comparator.naturalOrder())) | ||
| .map(entry -> entry.getValue().orElse(null)) | ||
| .collect(Collectors.toList()); | ||
| } | ||
| } |
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