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Add comments explaining suppressed warnings in api common #7951

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Merged
jkwatson merged 2 commits into from
Jan 4, 2026
+2 −3
Merged

Add comments explaining suppressed warnings in api common #7951

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fed78c8
Add comments explaining suppressed warnings in api common
Gosling-dude Jan 4, 2026
3634e2d
Clarify suppressed warnings comment in api common
Gosling-dude Jan 4, 2026
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2 changes: 1 addition & 1 deletion api/all/src/main/java/io/opentelemetry/api/common/ArrayBackedAttributes.java
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ public AttributesBuilder toBuilder() {
return new ArrayBackedAttributesBuilder(new ArrayList<>(data()));
}

@SuppressWarnings("unchecked")
@SuppressWarnings("unchecked") // safe cast: values are stored internally keyed by AttributeKey<T>
@Override
@Nullable
public <T> T get(AttributeKey<T> key) {
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3 changes: 1 addition & 2 deletions api/all/src/main/java/io/opentelemetry/api/common/ArrayBackedAttributesBuilder.java
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Expand Up @@ -49,12 +49,11 @@ public <T> AttributesBuilder put(AttributeKey<T> key, @Nullable T value) {

@Override
@SuppressWarnings({"unchecked", "rawtypes"})
// Safe: Attributes guarantees iteration over matching AttributeKey<T> / value pairs.
public AttributesBuilder putAll(Attributes attributes) {
if (attributes == null) {
return this;
}
// Attributes must iterate over their entries with matching types for key / value, so this
// downcast to the raw type is safe.
attributes.forEach((key, value) -> put((AttributeKey) key, value));
return this;
}
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