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Enhance Kotlin Class Conversion by Minimizing Equals Comparisons.

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Closes #3000
This commit is contained in:
leeyohan93
2023-12-12 11:12:35 +09:00
committed by Mark Paluch
parent d1e97c70ac
commit 2642609ccb
1 changed files with 7 additions and 1 deletions
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8
src/main/java/org/springframework/data/mapping/model/KotlinInstantiationDelegate.java
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@@ -22,7 +22,9 @@ import kotlin.reflect.jvm.ReflectJvmMapping;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import org.springframework.data.mapping.InstanceCreatorMetadata;
@@ -40,12 +42,14 @@ import org.springframework.lang.Nullable;
* constructor argument extraction.
*
* @author Mark Paluch
* @author Yohan Lee
* @since 3.1
*/
class KotlinInstantiationDelegate {
private final KFunction<?> constructor;
private final List<KParameter> kParameters;
private final Map<KParameter, Integer> indexByKParameter;
private final List<Function<Object, Object>> wrappers = new ArrayList<>();
private final Constructor<?> constructorToInvoke;
private final boolean hasDefaultConstructorMarker;
@@ -62,6 +66,8 @@ class KotlinInstantiationDelegate {
this.constructor = kotlinConstructor;
this.kParameters = kotlinConstructor.getParameters();
this.indexByKParameter = IntStream.range(0, kParameters.size()).boxed()
.collect(Collectors.toMap(kParameters::get, Function.identity()));
this.constructorToInvoke = constructorToInvoke;
this.hasDefaultConstructorMarker = hasDefaultConstructorMarker(constructorToInvoke.getParameters());
@@ -118,7 +124,7 @@ class KotlinInstantiationDelegate {
KotlinDefaultMask defaultMask = KotlinDefaultMask.forConstructor(constructor, it -> {
int index = kParameters.indexOf(it);
int index = indexByKParameter.get(it);
Parameter<Object, P> parameter = parameters.get(index);
Class<Object> type = parameter.getType().getType();