override delete() method in SpringData Pet and Visit repositories

src/main/java/org/springframework/samples/petclinic/repository/springdatajpa/PetRepositoryExtOverride.java

@@ -0,0 +1,9 @@
+package org.springframework.samples.petclinic.repository.springdatajpa;
+
+import org.springframework.samples.petclinic.model.Pet;
+
+public interface PetRepositoryExtOverride {
+	
+	public void delete(Pet pet);
+
+}

src/main/java/org/springframework/samples/petclinic/repository/springdatajpa/SpringDataPetRepositoryExt.java

@@ -11,7 +11,7 @@ import org.springframework.samples.petclinic.model.PetType;
 import org.springframework.samples.petclinic.repository.PetRepositoryExt;
 
 @Qualifier("PetRepositoryExt")
-public interface SpringDataPetRepositoryExt extends PetRepositoryExt, Repository<Pet, Integer> {
+public interface SpringDataPetRepositoryExt extends PetRepositoryExt, Repository<Pet, Integer>, PetRepositoryExtOverride {
 	
     @Override
     @Query("SELECT ptype FROM PetType ptype ORDER BY ptype.name")

src/main/java/org/springframework/samples/petclinic/repository/springdatajpa/SpringDataPetRepositoryExtImpl.java

@@ -0,0 +1,20 @@
+package org.springframework.samples.petclinic.repository.springdatajpa;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+import org.springframework.samples.petclinic.model.Pet;
+
+public class SpringDataPetRepositoryExtImpl implements PetRepositoryExtOverride {
+	
+	@PersistenceContext
+    private EntityManager em;
+
+	@Override
+	public void delete(Pet pet) {
+		String petId = pet.getId().toString();
+		this.em.createQuery("DELETE FROM Visit visit WHERE pet_id=" + petId).executeUpdate();
+		this.em.createQuery("DELETE FROM Pet pet WHERE id=" + petId).executeUpdate();
+	}
+
+}

src/main/java/org/springframework/samples/petclinic/repository/springdatajpa/SpringDataVisitRepositoryExt.java

@@ -6,6 +6,6 @@ import org.springframework.samples.petclinic.model.Visit;
 import org.springframework.samples.petclinic.repository.VisitRepositoryExt;
 
 @Qualifier("VisitRepositoryExt")
-public interface SpringDataVisitRepositoryExt extends VisitRepositoryExt, Repository<Visit, Integer> {
+public interface SpringDataVisitRepositoryExt extends VisitRepositoryExt, Repository<Visit, Integer>, VisitRepositoryExtOverride {
 
 }

src/main/java/org/springframework/samples/petclinic/repository/springdatajpa/SpringDataVisitRepositoryExtImpl.java

@@ -0,0 +1,21 @@
+package org.springframework.samples.petclinic.repository.springdatajpa;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+import org.springframework.dao.DataAccessException;
+import org.springframework.samples.petclinic.model.Visit;
+
+public class SpringDataVisitRepositoryExtImpl implements VisitRepositoryExtOverride {
+	
+	@PersistenceContext
+    private EntityManager em;
+
+	@Override
+	public void delete(Visit visit) throws DataAccessException {
+		String visitId = visit.getId().toString();
+		this.em.createQuery("DELETE FROM Visit visit WHERE id=" + visitId).executeUpdate();
+	}
+
+
+}

src/main/java/org/springframework/samples/petclinic/repository/springdatajpa/VisitRepositoryExtOverride.java

@@ -0,0 +1,9 @@
+package org.springframework.samples.petclinic.repository.springdatajpa;
+
+import org.springframework.samples.petclinic.model.Visit;
+
+public interface VisitRepositoryExtOverride {
+	
+	public void delete(Visit visit);
+
+}