Adopt CassandraParameters and CassandraParameter to reflect the actual parameter type when using generics.

Closes #1456

Author: mp911de

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/repository/query/CassandraParameters.java

@@ -29,9 +29,11 @@
 import org.springframework.data.cassandra.repository.query.CassandraParameters.CassandraParameter;
 import org.springframework.data.repository.query.Parameter;
 import org.springframework.data.repository.query.Parameters;
+import org.springframework.data.repository.query.ParametersSource;
 import org.springframework.data.repository.util.QueryExecutionConverters;
 import org.springframework.data.repository.util.ReactiveWrapperConverters;
 import org.springframework.data.repository.util.ReactiveWrappers;
+import org.springframework.data.util.TypeInformation;
 import org.springframework.lang.Nullable;
 
 /**
@@ -45,15 +47,16 @@ public class CassandraParameters extends Parameters<CassandraParameters, Cassand
 	private final @Nullable Integer queryOptionsIndex;
 
 	/**
-	 * Create a new {@link CassandraParameters} instance from the given {@link Method}
+	 * Create a new {@link CassandraParameters} instance from the given {@link Method}.
 	 *
-	 * @param method must not be {@literal null}.
+	 * @param parametersSource must not be {@literal null}.
 	 */
-	public CassandraParameters(Method method) {
+	public CassandraParameters(ParametersSource parametersSource) {
+		super(parametersSource,
+				methodParameter -> new CassandraParameter(methodParameter, parametersSource.getDomainTypeInformation()));
 
-		super(method);
-
-		this.queryOptionsIndex = Arrays.asList(method.getParameterTypes()).indexOf(QueryOptions.class);
+		this.queryOptionsIndex = Arrays.asList(parametersSource.getMethod().getParameterTypes())
+				.indexOf(QueryOptions.class);
 	}
 
 	private CassandraParameters(List<CassandraParameter> originals, @Nullable Integer queryOptionsIndex) {
@@ -63,11 +66,6 @@ private CassandraParameters(List<CassandraParameter> originals, @Nullable Intege
 		this.queryOptionsIndex = queryOptionsIndex;
 	}
 
-	@Override
-	protected CassandraParameter createParameter(MethodParameter parameter) {
-		return new CassandraParameter(parameter);
-	}
-
 	@Override
 	protected CassandraParameters createFrom(List<CassandraParameter> parameters) {
 		return new CassandraParameters(parameters, queryOptionsIndex);
@@ -93,9 +91,9 @@ static class CassandraParameter extends Parameter {
 		private final @Nullable CassandraType cassandraType;
 		private final Class<?> parameterType;
 
-		CassandraParameter(MethodParameter parameter) {
+		CassandraParameter(MethodParameter parameter, TypeInformation<?> domainType) {
 
-			super(parameter);
+			super(parameter, domainType);
 
 			AnnotatedParameter annotatedParameter = new AnnotatedParameter(parameter);
 

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/repository/query/CassandraQueryMethod.java

@@ -29,6 +29,8 @@
 import org.springframework.data.mapping.context.MappingContext;
 import org.springframework.data.projection.ProjectionFactory;
 import org.springframework.data.repository.core.RepositoryMetadata;
+import org.springframework.data.repository.query.Parameters;
+import org.springframework.data.repository.query.ParametersSource;
 import org.springframework.data.repository.query.QueryMethod;
 import org.springframework.data.util.TypeInformation;
 import org.springframework.lang.Nullable;
@@ -128,8 +130,8 @@ public CassandraParameters getParameters() {
 	}
 
 	@Override
-	protected CassandraParameters createParameters(Method method) {
-		return new CassandraParameters(method);
+	protected Parameters<?, ?> createParameters(ParametersSource parametersSource) {
+		return new CassandraParameters(parametersSource);
 	}
 
 	/**

spring-data-cassandra/src/test/java/org/springframework/data/cassandra/repository/QueryDerivationIntegrationTests.java

@@ -80,7 +80,8 @@ class QueryDerivationIntegrationTests extends AbstractSpringDataEmbeddedCassandr
 
 	@Configuration
 	@EnableCassandraRepositories(considerNestedRepositories = true,
-			includeFilters = @Filter(pattern = ".*PersonRepository", type = FilterType.REGEX))
+			includeFilters = @Filter(classes = { PersonRepository.class, EmbeddedPersonRepository.class },
+					type = FilterType.ASSIGNABLE_TYPE))
 	public static class Config extends IntegrationTestConfig {
 
 		@Override

spring-data-cassandra/src/test/java/org/springframework/data/cassandra/repository/query/CassandraParametersUnitTests.java

@@ -28,6 +28,9 @@
 import org.mockito.junit.jupiter.MockitoExtension;
 import org.springframework.data.cassandra.core.mapping.CassandraType;
 import org.springframework.data.cassandra.domain.Person;
+import org.springframework.data.repository.Repository;
+import org.springframework.data.repository.core.support.DefaultRepositoryMetadata;
+import org.springframework.data.repository.query.ParametersSource;
 
 /**
  * Unit tests for {@link CassandraParameters}.
@@ -43,7 +46,8 @@ class CassandraParametersUnitTests {
 	void shouldReturnUnknownDataTypeForSimpleType() throws Exception {
 
 		Method method = PersonRepository.class.getMethod("findByFirstname", String.class);
-		CassandraParameters cassandraParameters = new CassandraParameters(method);
+		CassandraParameters cassandraParameters = new CassandraParameters(
+				ParametersSource.of(method));
 
 		assertThat(cassandraParameters.getParameter(0).getCassandraType()).isNull();
 	}
@@ -52,17 +56,17 @@ void shouldReturnUnknownDataTypeForSimpleType() throws Exception {
 	void shouldReturnDataTypeForAnnotatedSimpleType() throws Exception {
 
 		Method method = PersonRepository.class.getMethod("findByFirstTime", String.class);
-		CassandraParameters cassandraParameters = new CassandraParameters(method);
+		CassandraParameters cassandraParameters = new CassandraParameters(
+				ParametersSource.of(method));
 
-		assertThat(cassandraParameters.getParameter(0).getCassandraType().type())
-				.isEqualTo(Name.TIME);
+		assertThat(cassandraParameters.getParameter(0).getCassandraType().type()).isEqualTo(Name.TIME);
 	}
 
 	@Test // DATACASS-296
 	void shouldReturnNoTypeForComplexType() throws Exception {
 
 		Method method = PersonRepository.class.getMethod("findByObject", Object.class);
-		CassandraParameters cassandraParameters = new CassandraParameters(method);
+		CassandraParameters cassandraParameters = new CassandraParameters(ParametersSource.of(method));
 
 		assertThat(cassandraParameters.getParameter(0).getCassandraType()).isNull();
 	}
@@ -71,23 +75,21 @@ void shouldReturnNoTypeForComplexType() throws Exception {
 	void shouldReturnTypeForAnnotatedType() throws Exception {
 
 		Method method = PersonRepository.class.getMethod("findByAnnotatedObject", Object.class);
-		CassandraParameters cassandraParameters = new CassandraParameters(method);
+		CassandraParameters cassandraParameters = new CassandraParameters(ParametersSource.of(method));
 
-		assertThat(cassandraParameters.getParameter(0).getCassandraType().type())
-				.isEqualTo(Name.TIME);
+		assertThat(cassandraParameters.getParameter(0).getCassandraType().type()).isEqualTo(Name.TIME);
 	}
 
 	@Test // DATACASS-296
 	void shouldReturnTypeForComposedAnnotationType() throws Exception {
 
 		Method method = PersonRepository.class.getMethod("findByComposedAnnotationObject", Object.class);
-		CassandraParameters cassandraParameters = new CassandraParameters(method);
+		CassandraParameters cassandraParameters = new CassandraParameters(ParametersSource.of(method));
 
-		assertThat(cassandraParameters.getParameter(0).getCassandraType().type())
-				.isEqualTo(Name.BOOLEAN);
+		assertThat(cassandraParameters.getParameter(0).getCassandraType().type()).isEqualTo(Name.BOOLEAN);
 	}
 
-	interface PersonRepository {
+	interface PersonRepository extends Repository<Person, String> {
 
 		Person findByFirstname(String firstname);