Consider java.math and java.util types as simple types.

Closes #374

src/test/java/org/springframework/data/keyvalue/core/mapping/context/KeyValueMappingContextUnitTests.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2021 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.keyvalue.core.mapping.context;
+
+import static org.assertj.core.api.Assertions.*;
+
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.util.UUID;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.data.keyvalue.core.mapping.KeyValuePersistentEntity;
+import org.springframework.data.keyvalue.core.mapping.KeyValuePersistentProperty;
+
+/**
+ * Unit test for {@link KeyValueMappingContext}.
+ *
+ * @author Mark Paluch
+ */
+class KeyValueMappingContextUnitTests<P extends KeyValuePersistentProperty<P>> {
+
+	@Test
+	void shouldNotCreateEntitiesForJavaStandardTypes() {
+
+		KeyValueMappingContext<KeyValuePersistentEntity<?, P>, P> mappingContext = new KeyValueMappingContext<>();
+
+		assertThat(mappingContext.getPersistentEntity(BigInteger.class)).isNull();
+		assertThat(mappingContext.getPersistentEntity(BigDecimal.class)).isNull();
+		assertThat(mappingContext.getPersistentEntity(UUID.class)).isNull();
+	}
+}