Add Hibernate 7 batches 2-6: mapping styles, JPA annotations, natural IDs, @Immutable, stored procedures, in-memory test databases, JNDI mocking, proxies, associations, temporal mapping, named queries, HQL, Criteria API and EntityManager bootstrapping (Hibernate 7.4.5.Final + Spring Boot 4.1.1 + JDK 25)

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01EQNA6DJ9VgCtW6zhCE8Xud

src/main/java/com/ankurm/hibernatedemo/proxy/ProxyReview.java

@@ -0,0 +1,44 @@
+package com.ankurm.hibernatedemo.proxy;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+
+/**
+ * Child side of {@link ProxyBook#reviews}. See {@link ProxyBook} for why this association
+ * exists and how the entity-graph demo in docs/11-proxies-and-lazy-initialization.md uses it.
+ */
+@Entity
+public class ProxyReview {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String comment;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "book_id")
+    private ProxyBook book;
+
+    protected ProxyReview() {
+        // JPA
+    }
+
+    public ProxyReview(String comment, ProxyBook book) {
+        this.comment = comment;
+        this.book = book;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getComment() {
+        return comment;
+    }
+}