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

-package org.springframework.samples.petclinic.repository.springdatajpa;
-
-import java.util.List;
-
-import org.springframework.dao.DataAccessException;
-import org.springframework.data.jpa.repository.Query;
-import org.springframework.data.repository.Repository;
-import org.springframework.samples.petclinic.Pet;
-import org.springframework.samples.petclinic.PetType;
-import org.springframework.samples.petclinic.repository.PetRepository;
-
-/**
- *
- * @author Michael Isvy
- * @since 15.1.2013
- */
-public interface SpringDataPetRepository extends PetRepository, Repository<Pet, Integer> {
-	
-	@Query("SELECT ptype FROM PetType ptype ORDER BY ptype.name")
-	List<PetType> findPetTypes() throws DataAccessException;
-}

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

-package org.springframework.samples.petclinic.repository.springdatajpa;
-
-import org.springframework.data.repository.Repository;
-import org.springframework.samples.petclinic.Vet;
-import org.springframework.samples.petclinic.repository.VetRepository;
-
-/**
- *
- * @author Michael Isvy
- * @since 15.1.2013
- */
-public interface SpringDataVetRepository extends VetRepository, Repository<Vet, Integer> {
-}

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

-package org.springframework.samples.petclinic.repository.springdatajpa;
-
-import org.springframework.data.repository.Repository;
-import org.springframework.samples.petclinic.Visit;
-import org.springframework.samples.petclinic.repository.VisitRepository;
-
-/**
- *
- * @author Michael Isvy
- * @since 15.1.2013
- */
-public interface SpringDataVisitRepository extends VisitRepository, Repository<Visit, Integer> {
-}

src/main/java/org/springframework/samples/petclinic/service/ClinicService.java

-package org.springframework.samples.petclinic.service;
-
-import java.util.Collection;
-
-import org.springframework.dao.DataAccessException;
-import org.springframework.samples.petclinic.Owner;
-import org.springframework.samples.petclinic.Pet;
-import org.springframework.samples.petclinic.PetType;
-import org.springframework.samples.petclinic.Vet;
-import org.springframework.samples.petclinic.Visit;
-
-
-/**
- * The high-level PetClinic business interface.
- *
- * <p>This is basically a data access object.
- * PetClinic doesn't have a dedicated business facade.
- *
- * @author Ken Krebs
- * @author Juergen Hoeller
- * @author Sam Brannen
- * @author Michael Isvy
- */
-public interface ClinicService {
-	
-	public Collection<PetType> findPetTypes() throws DataAccessException;
-	
-	public Owner findOwnerById(int id) throws DataAccessException;
-	
-	public Pet findPetById(int id) throws DataAccessException;
-
-	public void savePet(Pet pet) throws DataAccessException;
-
-	public void saveVisit(Visit visit) throws DataAccessException;
-	
-	public Collection<Vet> findVets() throws DataAccessException;
-
-	public void saveOwner(Owner owner) throws DataAccessException;
-
-	Collection<Owner> findOwnerByLastName(String lastName) throws DataAccessException;
-
-}

src/main/java/org/springframework/samples/petclinic/service/ClinicServiceImpl.java

-package org.springframework.samples.petclinic.service;
-
-import java.util.Collection;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.dao.DataAccessException;
-import org.springframework.samples.petclinic.Owner;
-import org.springframework.samples.petclinic.Pet;
-import org.springframework.samples.petclinic.PetType;
-import org.springframework.samples.petclinic.Vet;
-import org.springframework.samples.petclinic.Visit;
-import org.springframework.samples.petclinic.repository.OwnerRepository;
-import org.springframework.samples.petclinic.repository.PetRepository;
-import org.springframework.samples.petclinic.repository.VetRepository;
-import org.springframework.samples.petclinic.repository.VisitRepository;
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-
-@Service
-public class ClinicServiceImpl implements ClinicService {
-	
-	private PetRepository petRepository;
-	private VetRepository vetRepository;
-	private OwnerRepository ownerRepository;	
-	private VisitRepository visitRepository;	
-
-	@Autowired
-	public ClinicServiceImpl(PetRepository petRepository, VetRepository vetRepository, OwnerRepository ownerRepository, VisitRepository visitRepository) {
-		this.petRepository = petRepository;
-		this.vetRepository = vetRepository;
-		this.ownerRepository = ownerRepository;
-		this.visitRepository = visitRepository;
-	}
-
-	@Transactional(readOnly=true)
-	public Collection<PetType> findPetTypes() throws DataAccessException {
-		return petRepository.findPetTypes();
-	}
-
-	@Transactional(readOnly=true)
-	public Owner findOwnerById(int id) throws DataAccessException {
-		return ownerRepository.findById(id);
-	}
-	
-	@Override
-	@Transactional(readOnly=true)
-	public Collection<Owner> findOwnerByLastName(String lastName) throws DataAccessException {
-		return ownerRepository.findByLastName(lastName);
-	}
-
-	@Override
-	@Transactional
-	public void saveOwner(Owner owner) throws DataAccessException {
-		ownerRepository.save(owner);
-	}
-	
-	
-	@Transactional
-	public void saveVisit(Visit visit) throws DataAccessException {
-		visitRepository.save(visit);
-	}
-	
-
-	@Transactional(readOnly=true)
-	public Pet findPetById(int id) throws DataAccessException {
-		return petRepository.findById(id);
-	}
-
-	@Transactional
-	public void savePet(Pet pet) throws DataAccessException {
-		petRepository.save(pet);
-	}
-
-	@Transactional(readOnly=true)
-	public Collection<Vet> findVets() throws DataAccessException {
-		return vetRepository.findAll();
-	}
-	
-	
-	
-	
-	
-	
-	
-	
-	
-	
-
-}

src/main/java/org/springframework/samples/petclinic/system/CacheConfiguration.java

+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.samples.petclinic.system;
+
+import org.springframework.boot.autoconfigure.cache.JCacheManagerCustomizer;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import javax.cache.configuration.MutableConfiguration;
+
+/**
+ * Cache configuration intended for caches providing the JCache API. This configuration creates the used cache for the
+ * application and enables statistics that become accessible via JMX.
+ */
+@Configuration
+@EnableCaching
+class CacheConfiguration {
+
+    @Bean
+    public JCacheManagerCustomizer petclinicCacheConfigurationCustomizer() {
+        return cm -> {
+            cm.createCache("vets", cacheConfiguration());
+        };
+    }
+
+    /**
+     * Create a simple configuration that enable statistics via the JCache programmatic configuration API.
+     * <p>
+     * Within the configuration object that is provided by the JCache API standard, there is only a very limited set of
+     * configuration options. The really relevant configuration options (like the size limit) must be set via a
+     * configuration mechanism that is provided by the selected JCache implementation.
+     */
+    private javax.cache.configuration.Configuration<Object, Object> cacheConfiguration() {
+        return new MutableConfiguration<>().setStatisticsEnabled(true);
+    }
+
+}

src/main/java/org/springframework/samples/petclinic/system/CrashController.java

+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.samples.petclinic.system;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+/**
+ * Controller used to showcase what happens when an exception is thrown
+ *
+ * @author Michael Isvy
+ * <p/>
+ * Also see how a view that resolves to "error" has been added ("error.html").
+ */
+@Controller
+class CrashController {
+
+    @GetMapping("/oups")
+    public String triggerException() {
+        throw new RuntimeException("Expected: controller used to showcase what "
+                + "happens when an exception is thrown");
+    }
+
+}

src/main/java/org/springframework/samples/petclinic/system/WelcomeController.java

+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.samples.petclinic.system;
+
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+class WelcomeController {
+
+    @GetMapping("/")
+    public String welcome() {
+        return "welcome";
+    }
+}

src/main/java/org/springframework/samples/petclinic/util/EntityUtils.java

-
-package org.springframework.samples.petclinic.util;
-
-import java.util.Collection;
-
-import org.springframework.orm.ObjectRetrievalFailureException;
-import org.springframework.samples.petclinic.BaseEntity;
-
-/**
- * Utility methods for handling entities. Separate from the BaseEntity class
- * mainly because of dependency on the ORM-associated
- * ObjectRetrievalFailureException.
- *
- * @author Juergen Hoeller
- * @author Sam Brannen
- * @since 29.10.2003
- * @see org.springframework.samples.petclinic.BaseEntity
- */
-public abstract class EntityUtils {
-
-	/**
-	 * Look up the entity of the given class with the given id in the given
-	 * collection.
-	 *
-	 * @param entities the collection to search
-	 * @param entityClass the entity class to look up
-	 * @param entityId the entity id to look up
-	 * @return the found entity
-	 * @throws ObjectRetrievalFailureException if the entity was not found
-	 */
-	public static <T extends BaseEntity> T getById(Collection<T> entities, Class<T> entityClass, int entityId)
-			throws ObjectRetrievalFailureException {
-		for (T entity : entities) {
-			if (entity.getId().intValue() == entityId && entityClass.isInstance(entity)) {
-				return entity;
-			}
-		}
-		throw new ObjectRetrievalFailureException(entityClass, new Integer(entityId));
-	}
-
-}

src/main/java/org/springframework/samples/petclinic/validation/PetValidator.java

-package org.springframework.samples.petclinic.validation;
-
-import org.springframework.samples.petclinic.Pet;
-import org.springframework.util.StringUtils;
-import org.springframework.validation.Errors;
-
-/**
- * <code>Validator</code> for <code>Pet</code> forms.
- *
- * @author Ken Krebs
- * @author Juergen Hoeller
- */
-public class PetValidator {
-
-	public void validate(Pet pet, Errors errors) {
-		String name = pet.getName();
-		if (!StringUtils.hasLength(name)) {
-			errors.rejectValue("name", "required", "required");
-		}
-		else if (pet.isNew() && pet.getOwner().getPet(name, true) != null) {
-			errors.rejectValue("name", "duplicate", "already exists");
-		}
-	}
-
-}

src/main/java/org/springframework/samples/petclinic/validation/package-info.java

-
-/**
- *
- * The classes in this package represent the set of Validator objects 
- * the Business Layer makes available to the Presentation Layer.
- *
- */
-package org.springframework.samples.petclinic.validation;
-

src/main/java/org/springframework/samples/petclinic/vet/Specialty.java

+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.samples.petclinic.vet;
+
+import java.io.Serializable;
+
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+import org.springframework.samples.petclinic.model.NamedEntity;
+
+/**
+ * Models a {@link Vet Vet's} specialty (for example, dentistry).
+ *
+ * @author Juergen Hoeller
+ */
+@Entity
+@Table(name = "specialties")
+public class Specialty extends NamedEntity implements Serializable {
+
+}

src/main/java/org/springframework/samples/petclinic/vet/Vet.java

+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.samples.petclinic.vet;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.JoinColumn;
+import javax.persistence.JoinTable;
+import javax.persistence.ManyToMany;
+import javax.persistence.Table;
+import javax.xml.bind.annotation.XmlElement;
+
+import org.springframework.beans.support.MutableSortDefinition;
+import org.springframework.beans.support.PropertyComparator;
+import org.springframework.samples.petclinic.model.Person;
+
+/**
+ * Simple JavaBean domain object representing a veterinarian.
+ *
+ * @author Ken Krebs
+ * @author Juergen Hoeller
+ * @author Sam Brannen
+ * @author Arjen Poutsma
+ */
+@Entity
+@Table(name = "vets")
+public class Vet extends Person {
+
+    @ManyToMany(fetch = FetchType.EAGER)
+    @JoinTable(name = "vet_specialties", joinColumns = @JoinColumn(name = "vet_id"), inverseJoinColumns = @JoinColumn(name = "specialty_id"))
+    private Set<Specialty> specialties;
+
+    protected Set<Specialty> getSpecialtiesInternal() {
+        if (this.specialties == null) {
+            this.specialties = new HashSet<>();
+        }
+        return this.specialties;
+    }
+
+    protected void setSpecialtiesInternal(Set<Specialty> specialties) {
+        this.specialties = specialties;
+    }
+
+    @XmlElement
+    public List<Specialty> getSpecialties() {
+        List<Specialty> sortedSpecs = new ArrayList<>(getSpecialtiesInternal());
+        PropertyComparator.sort(sortedSpecs,
+                new MutableSortDefinition("name", true, true));
+        return Collections.unmodifiableList(sortedSpecs);
+    }
+
+    public int getNrOfSpecialties() {
+        return getSpecialtiesInternal().size();
+    }
+
+    public void addSpecialty(Specialty specialty) {
+        getSpecialtiesInternal().add(specialty);
+    }
+
+}

src/main/java/org/springframework/samples/petclinic/vet/VetController.java

+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.samples.petclinic.vet;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import java.util.Map;
+
+/**
+ * @author Juergen Hoeller
+ * @author Mark Fisher
+ * @author Ken Krebs
+ * @author Arjen Poutsma
+ */
+@Controller
+class VetController {
+
+    private final VetRepository vets;
+
+    public VetController(VetRepository clinicService) {
+        this.vets = clinicService;
+    }
+
+    @GetMapping("/vets.html")
+    public String showVetList(Map<String, Object> model) {
+        // Here we are returning an object of type 'Vets' rather than a collection of Vet
+        // objects so it is simpler for Object-Xml mapping
+        Vets vets = new Vets();
+        vets.getVetList().addAll(this.vets.findAll());
+        model.put("vets", vets);
+        return "vets/vetList";
+    }
+
+    @GetMapping({ "/vets" })
+    public @ResponseBody Vets showResourcesVetList() {
+        // Here we are returning an object of type 'Vets' rather than a collection of Vet
+        // objects so it is simpler for JSon/Object mapping
+        Vets vets = new Vets();
+        vets.getVetList().addAll(this.vets.findAll());
+        return vets;
+    }
+
+}

src/main/java/org/springframework/samples/petclinic/vet/VetRepository.java

+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.samples.petclinic.vet;
+
+import java.util.Collection;
+
+import org.springframework.cache.annotation.Cacheable;
+import org.springframework.dao.DataAccessException;
+import org.springframework.data.repository.Repository;
+import org.springframework.transaction.annotation.Transactional;
+
+/**
+ * Repository class for <code>Vet</code> domain objects All method names are compliant with Spring Data naming
+ * conventions so this interface can easily be extended for Spring Data.
+ * See: https://docs.spring.io/spring-data/jpa/docs/current/reference/html/#repositories.query-methods.query-creation
+ *
+ * @author Ken Krebs
+ * @author Juergen Hoeller
+ * @author Sam Brannen
+ * @author Michael Isvy
+ */
+public interface VetRepository extends Repository<Vet, Integer> {
+
+    /**
+     * Retrieve all <code>Vet</code>s from the data store.
+     *
+     * @return a <code>Collection</code> of <code>Vet</code>s
+     */
+    @Transactional(readOnly = true)
+    @Cacheable("vets")
+    Collection<Vet> findAll() throws DataAccessException;
+
+
+}

src/main/java/org/springframework/samples/petclinic/Vets.java → src/main/java/org/springframework/samples/petclinic/vet/Vets.java

 /*
- * Copyright 2002-2009 the original author or authors.
+ * Copyright 2012-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ *      https://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -13,8 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-package org.springframework.samples.petclinic;
+package org.springframework.samples.petclinic.vet;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -23,22 +22,22 @@ import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlRootElement;
 
 /**
- * Simple JavaBean domain object representing a list of veterinarians. Mostly here to be used for the 'vets'
- * {@link org.springframework.web.servlet.view.xml.MarshallingView}.
+ * Simple domain object representing a list of veterinarians. Mostly here to be used for the 'vets' {@link
+ * org.springframework.web.servlet.view.xml.MarshallingView}.
  *
  * @author Arjen Poutsma
  */
 @XmlRootElement
 public class Vets {
 
-	private List<Vet> vets;
+    private List<Vet> vets;
 
-	@XmlElement
-	public List<Vet> getVetList() {
-		if (vets == null) {
-			vets = new ArrayList<Vet>();
-		}
-		return vets;
-	}
+    @XmlElement
+    public List<Vet> getVetList() {
+        if (vets == null) {
+            vets = new ArrayList<>();
+        }
+        return vets;
+    }
 
 }

src/main/java/org/springframework/samples/petclinic/visit/Visit.java

+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.samples.petclinic.visit;
+
+import java.time.LocalDate;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Table;
+import javax.validation.constraints.NotEmpty;
+
+import org.springframework.format.annotation.DateTimeFormat;
+import org.springframework.samples.petclinic.model.BaseEntity;
+
+/**
+ * Simple JavaBean domain object representing a visit.
+ *
+ * @author Ken Krebs
+ * @author Dave Syer
+ */
+@Entity
+@Table(name = "visits")
+public class Visit extends BaseEntity {
+
+    @Column(name = "visit_date")
+    @DateTimeFormat(pattern = "yyyy-MM-dd")
+    private LocalDate date;
+
+    @NotEmpty
+    @Column(name = "description")
+    private String description;
+
+    @Column(name = "pet_id")
+    private Integer petId;
+
+    /**
+     * Creates a new instance of Visit for the current date
+     */
+    public Visit() {
+        this.date = LocalDate.now();
+    }
+
+    public LocalDate getDate() {
+        return this.date;
+    }
+
+    public void setDate(LocalDate date) {
+        this.date = date;
+    }
+
+    public String getDescription() {
+        return this.description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public Integer getPetId() {
+        return this.petId;
+    }
+
+    public void setPetId(Integer petId) {
+        this.petId = petId;
+    }
+
+}

src/main/java/org/springframework/samples/petclinic/visit/VisitRepository.java

+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.samples.petclinic.visit;
+
+import java.util.List;
+
+import org.springframework.dao.DataAccessException;
+import org.springframework.data.repository.Repository;
+import org.springframework.samples.petclinic.model.BaseEntity;
+
+/**
+ * Repository class for <code>Visit</code> domain objects All method names are compliant with Spring Data naming
+ * conventions so this interface can easily be extended for Spring Data.
+ * See: https://docs.spring.io/spring-data/jpa/docs/current/reference/html/#repositories.query-methods.query-creation
+ *
+ * @author Ken Krebs
+ * @author Juergen Hoeller
+ * @author Sam Brannen
+ * @author Michael Isvy
+ */
+public interface VisitRepository extends Repository<Visit, Integer> {
+
+    /**
+     * Save a <code>Visit</code> to the data store, either inserting or updating it.
+     *
+     * @param visit the <code>Visit</code> to save
+     * @see BaseEntity#isNew
+     */
+    void save(Visit visit) throws DataAccessException;
+
+    List<Visit> findByPetId(Integer petId);
+
+}

src/main/java/org/springframework/samples/petclinic/web/CrashController.java

-
-package org.springframework.samples.petclinic.web;
-
-import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-
-/**
- * Controller used to showcase what happens when an exception is thrown
- * 
- * @author Michael Isvy
- */
-@Controller
-public class CrashController {	
-
-	@RequestMapping(value="/oups", method = RequestMethod.GET)
-	public String triggerException() {
-		throw new RuntimeException("Something went wrong...");
-	}
-
-	
-
-}