Upgrade to Spring 6 and Spring Boot 3.

See #654

cassandra/reactive/src/main/java/example/springdata/cassandra/people/RxJava2PersonRepository.java

@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2021 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 example.springdata.cassandra.people;
-
-import io.reactivex.Observable;
-import io.reactivex.Single;
-
-import org.springframework.data.cassandra.repository.Query;
-import org.springframework.data.repository.reactive.RxJava2CrudRepository;
-
-/**
- * Repository interface to manage {@link Person} instances.
- *
- * @author Mark Paluch
- */
-public interface RxJava2PersonRepository extends RxJava2CrudRepository<Person, String> {
-
-	/**
-	 * Derived query selecting by {@code lastname}.
-	 *
-	 * @param lastname
-	 * @return
-	 */
-	Observable<Person> findByLastname(String lastname);
-
-	/**
-	 * String query selecting one entity.
-	 *
-	 * @param lastname
-	 * @return
-	 */
-	@Query("SELECT * FROM person WHERE firstname = ?0 and lastname  = ?1")
-	Single<Person> findByFirstnameAndLastname(String firstname, String lastname);
-
-	/**
-	 * Derived query selecting by {@code lastname}. {@code lastname} uses deferred resolution that does not require
-	 * blocking to obtain the parameter value.
-	 *
-	 * @param lastname
-	 * @return
-	 */
-	Observable<Person> findByLastname(Single<String> lastname);
-
-	/**
-	 * Derived query selecting by {@code firstname} and {@code lastname}. {@code firstname} uses deferred resolution that
-	 * does not require blocking to obtain the parameter value.
-	 *
-	 * @param firstname
-	 * @param lastname
-	 * @return
-	 */
-	Single<Person> findByFirstnameAndLastname(Single<String> firstname, String lastname);
-}