Upgrade to Hibernate 7.0.0.Beta1.

Closes #2444

Author: mp911de

pom.xml

@@ -33,7 +33,7 @@
 		<springdata.mongodb>5.0.0-SNAPSHOT</springdata.mongodb>
 		<springdata.keyvalue>4.0.0-SNAPSHOT</springdata.keyvalue>
 
-		<hibernate.version>6.5.2.Final</hibernate.version>
+		<hibernate.version>7.0.0.Beta1</hibernate.version>
 	</properties>
 
 	<developers>

spring-data-rest-tests/spring-data-rest-tests-jpa/src/main/java/org/springframework/data/rest/webmvc/jpa/AssignableSequenceStyleGenerator.java

@@ -0,0 +1,20 @@
+package org.springframework.data.rest.webmvc.jpa;
+
+import org.hibernate.id.enhanced.SequenceStyleGenerator;
+
+/**
+ * Extension to {@link SequenceStyleGenerator} to allow assigned identifiers.
+ *
+ * @author Mark Paluch
+ * @see <a href=
+ *      "https://discourse.hibernate.org/t/manually-setting-the-identifier-results-in-object-optimistic-locking-failure-exception/10743/6">Manually
+ *      setting the identifier results in object optimistic locking failure exception</a>
+ * @see <a href="https://hibernate.atlassian.net/browse/HHH-17472">HHH-17472</a>
+ */
+public class AssignableSequenceStyleGenerator extends SequenceStyleGenerator {
+
+	@Override
+	public boolean allowAssignedIdentifiers() {
+		return true;
+	}
+}

spring-data-rest-tests/spring-data-rest-tests-jpa/src/main/java/org/springframework/data/rest/webmvc/jpa/Order.java

@@ -18,7 +18,6 @@
 import jakarta.persistence.CascadeType;
 import jakarta.persistence.Entity;
 import jakarta.persistence.FetchType;
-import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.Id;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.OneToMany;
@@ -30,13 +29,14 @@
 
 /**
  * @author Oliver Gierke
+ * @author Mark Paluch
  */
 @Entity
 @Table(name = "ORDERS")
 public class Order {
 
-	@Id @GeneratedValue //
-	private Long id;
+	@Id
+	@SequenceGenerator private Long id;
 	@ManyToOne(fetch = FetchType.LAZY) //
 	private Person creator;
 	@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true) //

spring-data-rest-tests/spring-data-rest-tests-jpa/src/main/java/org/springframework/data/rest/webmvc/jpa/SequenceGenerator.java

@@ -0,0 +1,22 @@
+package org.springframework.data.rest.webmvc.jpa;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import org.hibernate.annotations.IdGeneratorType;
+
+/**
+ * Variant of {@link jakarta.persistence.GeneratedValue} using Hibernate-specific generators.
+ *
+ * @see <a href=
+ *      "https://discourse.hibernate.org/t/manually-setting-the-identifier-results-in-object-optimistic-locking-failure-exception/10743/6">Manually
+ *      setting the identifier results in object optimistic locking failure exception</a>
+ * @see <a href="https://hibernate.atlassian.net/browse/HHH-17472">HHH-17472</a>
+ */
+@IdGeneratorType(AssignableSequenceStyleGenerator.class)
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ ElementType.METHOD, ElementType.FIELD })
+public @interface SequenceGenerator {
+}