Support instantiation of Kotlin class with overridden read-only property.

Closes: #4485
Original Pull Request: #4777

Author: mp911de

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/MappingMongoConverter.java

@@ -559,7 +559,8 @@ private <S> S populateProperties(ConversionContext context, MongoPersistentEntit
 		MongoDbPropertyValueProvider valueProvider = new MongoDbPropertyValueProvider(contextToUse, documentAccessor,
 				evaluator, spELContext);
 
-		Predicate<MongoPersistentProperty> propertyFilter = isIdentifier(entity).or(isConstructorArgument(entity)).negate();
+		Predicate<MongoPersistentProperty> propertyFilter = isIdentifier(entity).or(isConstructorArgument(entity))
+				.or(Predicates.negate(PersistentProperty::isReadable)).negate();
 		readProperties(contextToUse, entity, accessor, documentAccessor, valueProvider, evaluator, propertyFilter);
 
 		return accessor.getBean();

spring-data-mongodb/src/test/kotlin/org/springframework/data/mongodb/core/convert/MappingMongoConverterKtUnitTests.kt

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.mongodb.core.convert
+
+import org.assertj.core.api.Assertions.assertThat
+import org.bson.Document
+import org.junit.jupiter.api.Test
+import org.springframework.data.mongodb.core.mapping.MongoMappingContext
+
+/**
+ * Kotlin unit tests for [MappingMongoConverter].
+ *
+ * @author Mark Paluch
+ */
+class MappingMongoConverterKtUnitTests {
+
+	@Test // GH-4485
+	fun shouldIgnoreNonReadableProperties() {
+
+		val document = Document.parse("{_id: 'baz', type: 'SOME_VALUE'}")
+		val converter =
+			MappingMongoConverter(NoOpDbRefResolver.INSTANCE, MongoMappingContext())
+
+		val tx = converter.read(SpecialTransaction::class.java, document)
+
+		assertThat(tx.id).isEqualTo("baz")
+		assertThat(tx.type).isEqualTo("SOME_DEFAULT_VALUE")
+	}
+}

spring-data-mongodb/src/test/kotlin/org/springframework/data/mongodb/core/convert/SpecialTransaction.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.mongodb.core.convert
+
+abstract class SomeTransaction() {
+
+	abstract val id: String
+	abstract val type: String
+}
+
+data class SpecialTransaction(override val id: String) : SomeTransaction() {
+	override val type: String = "SOME_DEFAULT_VALUE"
+}