Ejemplo de paginación (Listado de preguntas pendientes) con primefaces

utilizando LazyDataModel, con recarga automática de la página
solicitada.

1.sources/MyHealth/src/jpa/QuestionJPA.java

@@ -3,6 +3,8 @@ package jpa;
 import java.io.Serializable;
 
 import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
@@ -29,28 +31,28 @@ public class QuestionJPA implements Serializable {
 	private int id;
 	private String title;
 	private String message;
+	@Enumerated(EnumType.STRING)
 	private QuestionStatus status;
 	private String response;
 
 	@ManyToOne
 	@JoinColumn(name = "patientid")
 	private PatientJPA patient;
-	
+
 	@ManyToOne
 	@JoinColumn(name = "familydoctorid")
-	private FamilyDoctorJPA familydoctor;
+	private FamilyDoctorJPA familyDoctor;
 
 	public QuestionJPA() {
 	}
 
-	public QuestionJPA(int id, String title, String message, QuestionStatus status, PatientJPA patient,
-			FamilyDoctorJPA familydoctor, String response) {
+	public QuestionJPA(int id, String title, String message, QuestionStatus status, PatientJPA patient, FamilyDoctorJPA familydoctor, String response) {
 		this.id = id;
 		this.title = title;
 		this.message = message;
 		this.status = status;
 		this.patient = patient;
-		this.familydoctor = familydoctor;
+		this.familyDoctor = familydoctor;
 		this.response = response;
 	}
 
@@ -94,12 +96,12 @@ public class QuestionJPA implements Serializable {
 		this.status = status;
 	}
 
-	public FamilyDoctorJPA getDoctor() {
-		return familydoctor;
+	public FamilyDoctorJPA getFamilyDoctor() {
+		return familyDoctor;
 	}
 
-	public void setDoctor(FamilyDoctorJPA familydoctor) {
-		this.familydoctor = familydoctor;
+	public void setFamilyDoctor(FamilyDoctorJPA familyDoc) {
+		this.familyDoctor = familyDoc;
 	}
 
 	public String getResponse() {