Merge pull request #1061 from rubenporras/builderWithExpectedSize

perf: use builderWithExpectedSize if possible
dsldevkit · Jan 6, 2025 · 75a8a89 · 75a8a89
2 parents 02186dc + 8ad9409
commit 75a8a89
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/....xtext.builder/src/com/avaloq/tools/ddk/xtext/builder/FingerprintResourceDescription.java b/....xtext.builder/src/com/avaloq/tools/ddk/xtext/builder/FingerprintResourceDescription.java
@@ -43,8 +43,14 @@ public class FingerprintResourceDescription extends AbstractResourceDescription
 
   public FingerprintResourceDescription(final IResourceDescription original) {
     this.uri = original.getURI();
-    ImmutableList.Builder<IEObjectDescription> builder = ImmutableList.builder();
-    for (IEObjectDescription description : original.getExportedObjects()) {
+    Iterable<IEObjectDescription> objects = original.getExportedObjects();
+    ImmutableList.Builder<IEObjectDescription> builder;
+    if (objects instanceof List list) {
+      builder = ImmutableList.builderWithExpectedSize(list.size());
+    } else {
+      builder = ImmutableList.builder();
+    }
+    for (IEObjectDescription description : objects) {
       builder.add(createLightDescription(description));
     }
     this.exportedObjects = builder.build();