Seal interfaces that are actually not meant to be implemented by a user.

Author: michael-simons

src/main/java/org/springframework/data/neo4j/core/DefaultNeo4jClient.java

@@ -58,7 +58,7 @@
  * @author Michael J. Simons
  * @since 6.0
  */
-class DefaultNeo4jClient implements Neo4jClient {
+final class DefaultNeo4jClient implements Neo4jClient {
 
 	private final Driver driver;
 	private final TypeSystem typeSystem;

src/main/java/org/springframework/data/neo4j/core/DefaultReactiveNeo4jClient.java

@@ -60,7 +60,7 @@
  * @soundtrack Die Toten Hosen - Im Auftrag des Herrn
  * @since 6.0
  */
-class DefaultReactiveNeo4jClient implements ReactiveNeo4jClient {
+final class DefaultReactiveNeo4jClient implements ReactiveNeo4jClient {
 
 	private final Driver driver;
 	private final TypeSystem typeSystem;

src/main/java/org/springframework/data/neo4j/core/Neo4jClient.java

@@ -40,7 +40,7 @@
  * @since 6.0
  */
 @API(status = API.Status.STABLE, since = "6.0")
-public interface Neo4jClient {
+public sealed interface Neo4jClient permits DefaultNeo4jClient {
 
 	LogAccessor cypherLog = new LogAccessor(LogFactory.getLog("org.springframework.data.neo4j.cypher"));
 

src/main/java/org/springframework/data/neo4j/core/ReactiveNeo4jClient.java

@@ -43,7 +43,7 @@
  * @since 6.0
  */
 @API(status = API.Status.STABLE, since = "6.0")
-public interface ReactiveNeo4jClient {
+public sealed interface ReactiveNeo4jClient permits DefaultReactiveNeo4jClient {
 
 	LogAccessor cypherLog = new LogAccessor(LogFactory.getLog("org.springframework.data.neo4j.cypher"));
 

src/main/java/org/springframework/data/neo4j/types/AbstractPoint.java

@@ -22,7 +22,7 @@
  *
  * @author Michael J. Simons
  */
-abstract class AbstractPoint implements Neo4jPoint {
+abstract non-sealed class AbstractPoint implements Neo4jPoint {
 
 	protected final Coordinate coordinate;
 

src/main/java/org/springframework/data/neo4j/types/Neo4jPoint.java

@@ -27,7 +27,7 @@
  * @since 6.0
  */
 @API(status = API.Status.STABLE, since = "6.0")
-public interface Neo4jPoint {
+public sealed interface Neo4jPoint permits AbstractPoint {
 
 	/**
 	 * @return The Srid identifying the Coordinate Reference Systems (CRS) used by this point.