Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

spring-roo/src/main/java/com/baeldung/domain/Book.java

@@ -0,0 +1,58 @@
+package com.baeldung.domain;
+import org.springframework.roo.addon.javabean.annotations.RooEquals;
+import org.springframework.roo.addon.javabean.annotations.RooJavaBean;
+import org.springframework.roo.addon.javabean.annotations.RooToString;
+import org.springframework.roo.addon.jpa.annotations.entity.RooJpaEntity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Version;
+import javax.validation.constraints.NotNull;
+
+/**
+ * = Book
+ TODO Auto-generated class documentation
+ *
+ */
+@RooJavaBean
+@RooToString
+@RooJpaEntity
+@RooEquals(isJpaEntity = true)
+public class Book {
+
+    /**
+     * TODO Auto-generated attribute documentation
+     *
+     */
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     *
+     */
+    @Version
+    private Integer version;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     *
+     */
+    @NotNull
+    private String title;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     *
+     */
+    @NotNull
+    private String author;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     *
+     */
+    @NotNull
+    private String isbn;
+}