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16 changed files with 488 additions and 236 deletions

181
pom.xml
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@ -4,7 +4,7 @@
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>4.0.1</version>
<version>3.2.2</version>
</parent>
<groupId>org.springframework.samples</groupId>
<artifactId>spring-petclinic</artifactId>
@ -41,122 +41,93 @@
</licenses>
<dependencies>
<!-- Spring and Spring Boot dependencies -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- Thymeleaf -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!-- JPA / Hibernate -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<!-- Validation -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<!-- AOP (for FeatureToggle annotation) -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
</dependency>
<!-- Cache -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webmvc</artifactId>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<!-- Actuator -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!-- Database -->
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>javax.cache</groupId>
<artifactId>cache-api</artifactId>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
<!-- Dev tools -->
<dependency>
<groupId>jakarta.xml.bind</groupId>
<artifactId>jakarta.xml.bind-api</artifactId>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
<!-- Tests -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- Testcontainers -->
<dependency>
<groupId>org.testcontainers</groupId>
<artifactId>junit-jupiter</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.github.ben-manes.caffeine</groupId>
<artifactId>caffeine</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>webjars-locator-lite</artifactId>
<version>${webjars-locator.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.webjars.npm</groupId>
<artifactId>bootstrap</artifactId>
<version>${webjars-bootstrap.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.webjars.npm</groupId>
<artifactId>font-awesome</artifactId>
<version>${webjars-font-awesome.version}</version>
<scope>runtime</scope>
<groupId>org.testcontainers</groupId>
<artifactId>mysql</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
<groupId>jakarta.xml.bind</groupId>
<artifactId>jakarta.xml.bind-api</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-restclient-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webmvc-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-testcontainers</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-docker-compose</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.testcontainers</groupId>
<artifactId>testcontainers-junit-jupiter</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.testcontainers</groupId>
<artifactId>testcontainers-mysql</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</dependencies>
<build>
<plugins>
@ -193,6 +164,30 @@
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.11.0</version>
<configuration>
<skip>true</skip>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-failsafe-plugin</artifactId>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-checkstyle-plugin</artifactId>

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@ -0,0 +1,108 @@
package org.springframework.samples.petclinic.feature;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.EnumType;
import jakarta.persistence.Enumerated;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.Table;
import jakarta.persistence.UniqueConstraint;
import jakarta.validation.constraints.NotEmpty;
import jakarta.validation.constraints.NotNull;
@Entity
@Table(name = "feature_flags", uniqueConstraints = @UniqueConstraint(columnNames = "name"))
public class FeatureFlag {
public enum Strategy {
BOOLEAN, PERCENTAGE, WHITELIST, BLACKLIST
}
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
@NotEmpty
@Column(nullable = false, length = 100)
private String name;
@Column(nullable = false)
private boolean enabled = false;
@NotNull
@Enumerated(EnumType.STRING)
@Column(nullable = false)
private Strategy strategy = Strategy.BOOLEAN;
@Column
private int percentage = 100;
@Column(length = 2000)
private String userList;
@Column(length = 500)
private String description;
// Getters & Setters
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public boolean isEnabled() {
return enabled;
}
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
public Strategy getStrategy() {
return strategy;
}
public void setStrategy(Strategy strategy) {
this.strategy = strategy;
}
public int getPercentage() {
return percentage;
}
public void setPercentage(int percentage) {
this.percentage = Math.max(0, Math.min(100, percentage));
}
public String getUserList() {
return userList;
}
public void setUserList(String userList) {
this.userList = userList;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
}

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@ -0,0 +1,43 @@
package org.springframework.samples.petclinic.feature;
import java.util.List;
import org.springframework.web.bind.annotation.*;
@RestController
@RequestMapping("/api/feature-flags")
public class FeatureFlagController {
private final FeatureFlagService service;
public FeatureFlagController(FeatureFlagService service) {
this.service = service;
}
@GetMapping
public List<FeatureFlag> getAll() {
return service.findAll();
}
@GetMapping("/{id}")
public FeatureFlag get(@PathVariable Integer id) {
return service.findById(id).orElseThrow();
}
@PostMapping
public FeatureFlag create(@RequestBody FeatureFlag flag) {
return service.save(flag);
}
@PutMapping("/{id}")
public FeatureFlag update(@PathVariable Integer id, @RequestBody FeatureFlag flag) {
flag.setId(id);
return service.save(flag);
}
@DeleteMapping("/{id}")
public void delete(@PathVariable Integer id) {
service.deleteById(id);
}
}

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@ -0,0 +1,11 @@
package org.springframework.samples.petclinic.feature;
import java.util.Optional;
import org.springframework.data.jpa.repository.JpaRepository;
public interface FeatureFlagRepository extends JpaRepository<FeatureFlag, Integer> {
Optional<FeatureFlag> findByName(String name);
}

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@ -0,0 +1,62 @@
package org.springframework.samples.petclinic.feature;
import java.util.List;
import java.util.Optional;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@Service
@Transactional
public class FeatureFlagService {
private final FeatureFlagRepository repository;
public FeatureFlagService(FeatureFlagRepository repository) {
this.repository = repository;
}
/* ===================== CRUD ===================== */
public List<FeatureFlag> findAll() {
return repository.findAll();
}
public Optional<FeatureFlag> findById(Integer id) {
return repository.findById(id);
}
public FeatureFlag save(FeatureFlag flag) {
return repository.save(flag);
}
public void deleteById(Integer id) {
repository.deleteById(id);
}
/* ===================== FEATURE CHECK ===================== */
@Transactional(readOnly = true)
public boolean isEnabled(String flagName, String user) {
Optional<FeatureFlag> flagOpt = repository.findByName(flagName);
if (flagOpt.isEmpty()) {
return false;
}
FeatureFlag flag = flagOpt.get();
if (!flag.isEnabled()) {
return false;
}
return switch (flag.getStrategy()) {
case BOOLEAN -> true;
case PERCENTAGE -> Math.abs(user.hashCode()) % 100 < flag.getPercentage();
case WHITELIST -> flag.getUserList() != null && flag.getUserList().contains(user);
case BLACKLIST -> flag.getUserList() == null || !flag.getUserList().contains(user);
};
}
}

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@ -0,0 +1,11 @@
package org.springframework.samples.petclinic.feature;
import java.lang.annotation.*;
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface FeatureToggle {
String value();
}

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@ -0,0 +1,29 @@
package org.springframework.samples.petclinic.feature;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ResponseStatusException;
@Aspect
@Component
public class FeatureToggleAspect {
private final FeatureFlagService featureFlagService;
public FeatureToggleAspect(FeatureFlagService featureFlagService) {
this.featureFlagService = featureFlagService;
}
@Before("@annotation(featureToggle)")
public void checkFeature(JoinPoint joinPoint, FeatureToggle featureToggle) {
String user = "anonymous"; // can be replaced later
if (!featureFlagService.isEnabled(featureToggle.value(), user)) {
throw new ResponseStatusException(HttpStatus.FORBIDDEN,
"Feature " + featureToggle.value() + " is disabled");
}
}
}

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@ -23,7 +23,6 @@ import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.GetMapping;
@ -37,6 +36,10 @@ import org.springframework.web.servlet.ModelAndView;
import jakarta.validation.Valid;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import org.springframework.http.HttpStatus;
import org.springframework.web.server.ResponseStatusException;
import org.springframework.samples.petclinic.feature.FeatureFlagService;
import org.springframework.ui.Model;
/**
* @author Juergen Hoeller
@ -52,8 +55,11 @@ class OwnerController {
private final OwnerRepository owners;
public OwnerController(OwnerRepository owners) {
private final FeatureFlagService featureFlagService;
public OwnerController(OwnerRepository owners, FeatureFlagService featureFlagService) {
this.owners = owners;
this.featureFlagService = featureFlagService;
}
@InitBinder
@ -92,30 +98,24 @@ class OwnerController {
}
@GetMapping("/owners")
public String processFindForm(@RequestParam(defaultValue = "1") int page, Owner owner, BindingResult result,
Model model) {
// allow parameterless GET request for /owners to return all records
String lastName = owner.getLastName();
if (lastName == null) {
lastName = ""; // empty string signifies broadest possible search
public String processFindForm(Owner owner, BindingResult result, Model model) {
if (!featureFlagService.isEnabled("OWNER_SEARCH", "anonymous")) {
throw new ResponseStatusException(HttpStatus.FORBIDDEN, "Owner search feature is disabled");
}
// find owners by last name
Page<Owner> ownersResults = findPaginatedForOwnersLastName(page, lastName);
if (ownersResults.isEmpty()) {
// no owners found
if (owner.getLastName() == null) {
owner.setLastName("");
}
List<Owner> results = this.owners.findByLastNameContaining(owner.getLastName());
if (results.isEmpty()) {
result.rejectValue("lastName", "notFound", "not found");
return "owners/findOwners";
}
if (ownersResults.getTotalElements() == 1) {
// 1 owner found
owner = ownersResults.iterator().next();
return "redirect:/owners/" + owner.getId();
}
// multiple owners found
return addPaginationModel(page, model, ownersResults);
model.addAttribute("selections", results);
return "owners/ownersList";
}
private String addPaginationModel(int page, Model model, Page<Owner> paginated) {

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@ -20,6 +20,7 @@ import java.util.Optional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import java.util.List;
/**
* Repository class for <code>Owner</code> domain objects. All method names are compliant
@ -59,4 +60,6 @@ public interface OwnerRepository extends JpaRepository<Owner, Integer> {
*/
Optional<Owner> findById(Integer id);
List<Owner> findByLastNameContaining(String lastName);
}

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@ -1,18 +1,3 @@
/*
* Copyright 2012-2025 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.owner;
import java.time.LocalDate;
@ -20,22 +5,18 @@ import java.util.Collection;
import java.util.Objects;
import java.util.Optional;
import jakarta.validation.Valid;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.ui.Model;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import jakarta.validation.Valid;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import org.springframework.samples.petclinic.feature.FeatureToggle;
/**
* @author Juergen Hoeller
@ -58,6 +39,10 @@ class PetController {
this.types = types;
}
/*
* ========================= MODEL ATTRIBUTES =========================
*/
@ModelAttribute("types")
public Collection<PetType> populatePetTypes() {
return this.types.findPetTypes();
@ -65,10 +50,8 @@ class PetController {
@ModelAttribute("owner")
public Owner findOwner(@PathVariable("ownerId") int ownerId) {
Optional<Owner> optionalOwner = this.owners.findById(ownerId);
Owner owner = optionalOwner.orElseThrow(() -> new IllegalArgumentException(
"Owner not found with id: " + ownerId + ". Please ensure the ID is correct "));
return owner;
return this.owners.findById(ownerId)
.orElseThrow(() -> new IllegalArgumentException("Owner not found with id: " + ownerId));
}
@ModelAttribute("pet")
@ -79,12 +62,20 @@ class PetController {
return new Pet();
}
Optional<Owner> optionalOwner = this.owners.findById(ownerId);
Owner owner = optionalOwner.orElseThrow(() -> new IllegalArgumentException(
"Owner not found with id: " + ownerId + ". Please ensure the ID is correct "));
return owner.getPet(petId);
Owner owner = findOwner(ownerId);
Pet pet = owner.getPet(petId);
if (pet == null) {
throw new IllegalArgumentException("Pet not found with id: " + petId);
}
return pet;
}
/*
* ========================= BINDERS =========================
*/
@InitBinder("owner")
public void initOwnerBinder(WebDataBinder dataBinder) {
dataBinder.setDisallowedFields("id");
@ -95,35 +86,36 @@ class PetController {
dataBinder.setValidator(new PetValidator());
}
/*
* ========================= CREATE PET =========================
*/
@GetMapping("/pets/new")
public String initCreationForm(Owner owner, ModelMap model) {
public String initCreationForm(Owner owner, Model model) {
Pet pet = new Pet();
owner.addPet(pet);
model.addAttribute("pet", pet);
return VIEWS_PETS_CREATE_OR_UPDATE_FORM;
}
@FeatureToggle("ADD_PET")
@PostMapping("/pets/new")
public String processCreationForm(Owner owner, @Valid Pet pet, BindingResult result,
RedirectAttributes redirectAttributes) {
if (StringUtils.hasText(pet.getName()) && pet.isNew() && owner.getPet(pet.getName(), true) != null)
result.rejectValue("name", "duplicate", "already exists");
LocalDate currentDate = LocalDate.now();
if (pet.getBirthDate() != null && pet.getBirthDate().isAfter(currentDate)) {
result.rejectValue("birthDate", "typeMismatch.birthDate");
}
public String processCreationForm(@Valid Pet pet, BindingResult result, Owner owner, Model model) {
if (result.hasErrors()) {
model.addAttribute("pet", pet);
return VIEWS_PETS_CREATE_OR_UPDATE_FORM;
}
owner.addPet(pet);
this.owners.save(owner);
redirectAttributes.addFlashAttribute("message", "New Pet has been Added");
return "redirect:/owners/{ownerId}";
}
/*
* ========================= UPDATE PET =========================
*/
@GetMapping("/pets/{petId}/edit")
public String initUpdateForm() {
return VIEWS_PETS_CREATE_OR_UPDATE_FORM;
@ -135,7 +127,6 @@ class PetController {
String petName = pet.getName();
// checking if the pet name already exists for the owner
if (StringUtils.hasText(petName)) {
Pet existingPet = owner.getPet(petName, false);
if (existingPet != null && !Objects.equals(existingPet.getId(), pet.getId())) {
@ -143,8 +134,7 @@ class PetController {
}
}
LocalDate currentDate = LocalDate.now();
if (pet.getBirthDate() != null && pet.getBirthDate().isAfter(currentDate)) {
if (pet.getBirthDate() != null && pet.getBirthDate().isAfter(LocalDate.now())) {
result.rejectValue("birthDate", "typeMismatch.birthDate");
}
@ -153,21 +143,21 @@ class PetController {
}
updatePetDetails(owner, pet);
redirectAttributes.addFlashAttribute("message", "Pet details has been edited");
redirectAttributes.addFlashAttribute("message", "Pet details updated");
return "redirect:/owners/{ownerId}";
}
/**
* Updates the pet details if it exists or adds a new pet to the owner.
* @param owner The owner of the pet
* @param pet The pet with updated details
/*
* ========================= HELPER =========================
*/
private void updatePetDetails(Owner owner, Pet pet) {
Integer id = pet.getId();
Assert.state(id != null, "'pet.getId()' must not be null");
Pet existingPet = owner.getPet(id);
if (existingPet != null) {
// Update existing pet's properties
existingPet.setName(pet.getName());
existingPet.setBirthDate(pet.getBirthDate());
existingPet.setType(pet.getType());
@ -175,6 +165,7 @@ class PetController {
else {
owner.addPet(pet);
}
this.owners.save(owner);
}

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@ -29,6 +29,10 @@ import org.springframework.web.bind.annotation.PostMapping;
import jakarta.validation.Valid;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import org.springframework.http.HttpStatus;
import org.springframework.web.server.ResponseStatusException;
import org.springframework.samples.petclinic.feature.FeatureToggle;
import org.springframework.samples.petclinic.feature.FeatureFlagService;
/**
* @author Juergen Hoeller
@ -88,16 +92,21 @@ class VisitController {
// Spring MVC calls method loadPetWithVisit(...) before processNewVisitForm is
// called
@FeatureToggle("ADD_VISIT")
@PostMapping("/owners/{ownerId}/pets/{petId}/visits/new")
public String processNewVisitForm(@ModelAttribute Owner owner, @PathVariable int petId, @Valid Visit visit,
BindingResult result, RedirectAttributes redirectAttributes) {
public String processNewVisitForm(@PathVariable("ownerId") int ownerId, @PathVariable("petId") int petId,
@Valid Visit visit, BindingResult result) {
if (result.hasErrors()) {
return "pets/createOrUpdateVisitForm";
}
Owner owner = this.owners.findById(ownerId)
.orElseThrow(() -> new IllegalArgumentException("Owner not found with id: " + ownerId));
owner.addVisit(petId, visit);
this.owners.save(owner);
redirectAttributes.addFlashAttribute("message", "Your visit has been booked");
return "redirect:/owners/{ownerId}";
}

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@ -1,53 +0,0 @@
/*
* Copyright 2012-2025 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.cache.autoconfigure.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(proxyBeanMethods = false)
@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);
}
}

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@ -1,26 +1,53 @@
# database init, supports mysql too
# ===============================
# DATABASE INIT
# ===============================
database=h2
spring.sql.init.schema-locations=classpath*:db/${database}/schema.sql
spring.sql.init.data-locations=classpath*:db/${database}/data.sql
spring.sql.init.mode=always
spring.sql.init.schema-locations=classpath:db/${database}/schema.sql
spring.sql.init.data-locations=classpath:db/${database}/data.sql
# Web
spring.thymeleaf.mode=HTML
# ===============================
# H2 DATABASE
# ===============================
spring.datasource.url=jdbc:h2:mem:testdb
spring.datasource.driver-class-name=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=
# JPA
spring.h2.console.enabled=true
spring.h2.console.path=/h2-console
# ===============================
# JPA / HIBERNATE (IMPORTANT)
# ===============================
spring.jpa.hibernate.ddl-auto=none
spring.jpa.open-in-view=false
spring.jpa.hibernate.naming.physical-strategy=org.hibernate.boot.model.naming.PhysicalNamingStrategySnakeCaseImpl
spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
# Internationalization
# ✅ MUST BE SINGLE LINE
spring.jpa.hibernate.naming.physical-strategy=org.hibernate.boot.model.naming.CamelCaseToUnderscoresNamingStrategy
# ===============================
# THYMELEAF
# ===============================
spring.thymeleaf.mode=HTML
# ===============================
# I18N
# ===============================
spring.messages.basename=messages/messages
# Actuator
# ===============================
# ACTUATOR
# ===============================
management.endpoints.web.exposure.include=*
# Logging
# ===============================
# LOGGING
# ===============================
logging.level.org.springframework=INFO
# logging.level.org.springframework.web=DEBUG
# logging.level.org.springframework.context.annotation=TRACE
# Maximum time static resources should be cached
# ===============================
# STATIC CACHE
# ===============================
spring.web.resources.cache.cachecontrol.max-age=12h

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@ -51,3 +51,10 @@ INSERT INTO visits VALUES (default, 7, '2013-01-01', 'rabies shot');
INSERT INTO visits VALUES (default, 8, '2013-01-02', 'rabies shot');
INSERT INTO visits VALUES (default, 8, '2013-01-03', 'neutered');
INSERT INTO visits VALUES (default, 7, '2013-01-04', 'spayed');
INSERT INTO feature_flags (name, enabled, strategy, percentage, user_list, description)
VALUES
('ADD_PET', true, 'BOOLEAN', 100, NULL, 'Enable add pet feature'),
('ADD_VISIT', true, 'BOOLEAN', 100, NULL, 'Enable add visit feature'),
('OWNER_SEARCH', true, 'BOOLEAN', 100, NULL, 'Enable owner search');

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@ -62,3 +62,12 @@ CREATE TABLE visits (
);
ALTER TABLE visits ADD CONSTRAINT fk_visits_pets FOREIGN KEY (pet_id) REFERENCES pets (id);
CREATE INDEX visits_pet_id ON visits (pet_id);
CREATE TABLE feature_flags (
id INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
name VARCHAR(100) NOT NULL UNIQUE,
enabled BOOLEAN NOT NULL,
strategy VARCHAR(50) NOT NULL,
percentage INTEGER,
user_list VARCHAR(2000),
description VARCHAR(255)
);

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