gnodet commented on code in PR #241:
URL: https://github.com/apache/maven-resolver/pull/241#discussion_r1100290093
##########
maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/DataPool.java:
##########
@@ -80,14 +76,14 @@ public DataPool( RepositorySystemSession session )
if ( cache != null )
{
- artifacts = (ObjectPool<Artifact>) cache.get( session,
ARTIFACT_POOL );
- dependencies = (ObjectPool<Dependency>) cache.get( session,
DEPENDENCY_POOL );
- descriptors = (Map<Object, WeakReference<Descriptor>>) cache.get(
session, DESCRIPTORS );
+ artifacts = (ConcurrentHashMap<Artifact, Artifact>) cache.get(
session, ARTIFACT_POOL );
+ dependencies = (ConcurrentHashMap<Dependency, Dependency>)
cache.get( session, DEPENDENCY_POOL );
+ descriptors = (ConcurrentHashMap<Object, Descriptor>) cache.get(
session, DESCRIPTORS );
Review Comment:
Could we add a `computeIfAbsent` method on the `RepositoryCache` to avoid
this boilerplate ?
```
Object computeIfAbsent(@Nonnull Object key, @Nonnull Supplier<Object>
supplier);
```
so that we can the do
```
artifacts = (ConcurrentHashMap<Artifact, Artifact>) cache.computeIfAbsent(
session, ARTIFACT_POOL, () -> new ConcurrentHashMap<>() );
```
and remove the following 20 lines...
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