Polish gemfire sample

pull/762/head
Phillip Webb 11 years ago
parent 2c087d4787
commit 1d5cddc1e9

@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion> <modelVersion>4.0.0</modelVersion>
<parent> <parent>
<!-- Your own application should inherit from spring-boot-starter-parent --> <!-- Your own application should inherit from spring-boot-starter-parent -->

@ -25,17 +25,12 @@ import org.springframework.data.gemfire.repository.config.EnableGemfireRepositor
import org.springframework.transaction.annotation.EnableTransactionManagement; import org.springframework.transaction.annotation.EnableTransactionManagement;
/** /**
* The GemstoneAppConfiguration class for allowing Spring Boot to pickup additional application Spring configuration * The GemstoneAppConfiguration class for allowing Spring Boot to pickup additional
* meta-data for GemFire, which must be specified in Spring Data GemFire's XML namespace. * application Spring configuration meta-data for GemFire, which must be specified in
* Spring Data GemFire's XML namespace.
* <p/> * <p/>
* @author John Blum * @author John Blum
* @see org.springframework.boot.autoconfigure.EnableAutoConfiguration * @since 1.1.0
* @see org.springframework.context.annotation.ComponentScan
* @see org.springframework.context.annotation.Configuration
* @see org.springframework.context.annotation.ImportResource
* @see org.springframework.data.gemfire.repository.config.EnableGemfireRepositories
* @see org.springframework.transaction.annotation.EnableTransactionManagement
* @since 1.0.0
*/ */
@Configuration @Configuration
@ImportResource("/spring-data-gemfire-cache.xml") @ImportResource("/spring-data-gemfire-cache.xml")
@ -43,7 +38,6 @@ import org.springframework.transaction.annotation.EnableTransactionManagement;
@EnableAutoConfiguration @EnableAutoConfiguration
@EnableGemfireRepositories @EnableGemfireRepositories
@EnableTransactionManagement @EnableTransactionManagement
@SuppressWarnings("unused")
public class SampleDataGemFireApplication { public class SampleDataGemFireApplication {
public static void main(final String[] args) { public static void main(final String[] args) {

@ -23,16 +23,12 @@ import org.springframework.data.gemfire.mapping.Region;
import org.springframework.util.ObjectUtils; import org.springframework.util.ObjectUtils;
/** /**
* The Gemstone class is an abstract data type modeling a Gemstone, such as a diamond or a ruby. * The Gemstone class is an abstract data type modeling a Gemstone, such as a diamond or a
* <p/> * ruby.
*
* @author John Blum * @author John Blum
* @see java.io.Serializable
* @see org.springframework.data.annotation.Id
* @see org.springframework.data.gemfire.mapping.Region
* @since 1.0.0
*/ */
@Region("Gemstones") @Region("Gemstones")
@SuppressWarnings("unused")
public class Gemstone implements Serializable { public class Gemstone implements Serializable {
@Id @Id
@ -53,7 +49,7 @@ public class Gemstone implements Serializable {
} }
public Long getId() { public Long getId() {
return id; return this.id;
} }
public void setId(final Long id) { public void setId(final Long id) {
@ -61,7 +57,7 @@ public class Gemstone implements Serializable {
} }
public String getName() { public String getName() {
return name; return this.name;
} }
public void setName(final String name) { public void setName(final String name) {
@ -92,8 +88,8 @@ public class Gemstone implements Serializable {
@Override @Override
public String toString() { public String toString() {
return String.format("{ @type = %1$s, id = %2$d, name = %3$s }", return String.format("{ @type = %1$s, id = %2$d, name = %3$s }", getClass()
getClass().getName(), getId(), getName()); .getName(), getId(), getName());
} }
} }

@ -21,20 +21,16 @@ import org.springframework.data.gemfire.repository.GemfireRepository;
import sample.data.gemfire.domain.Gemstone; import sample.data.gemfire.domain.Gemstone;
/** /**
* The GemstoneRepository interface is an extension of the GemfireRepository abstraction for encapsulating data access * The GemstoneRepository interface is an extension of the GemfireRepository abstraction
* and persistence operations (CRUD) on Gemstone domain objects. * for encapsulating data access and persistence operations (CRUD) on Gemstone domain
* <p/> * objects.
*
* @author John Blum * @author John Blum
* @see org.springframework.data.gemfire.repository.GemfireRepository
* @see sample.data.gemfire.domain.Gemstone
* @since 1.0.0
*/ */
public interface GemstoneRepository extends GemfireRepository<Gemstone, Long> { public interface GemstoneRepository extends GemfireRepository<Gemstone, Long> {
/** /**
* Finds a particular Gemstone in the GemFire Cache by name. * Finds a particular Gemstone in the GemFire Cache by name.
* <p/>
*
* @param <T> the Class type of the Gemstone domain object to find. * @param <T> the Class type of the Gemstone domain object to find.
* @param name a String value indicating the name of the Gemstone to find. * @param name a String value indicating the name of the Gemstone to find.
* @return a Gemstone by name. * @return a Gemstone by name.

@ -19,28 +19,21 @@ package sample.data.gemfire.service;
import sample.data.gemfire.domain.Gemstone; import sample.data.gemfire.domain.Gemstone;
/** /**
* The GemstoneService interface is a Service interface object contract defining business operations for processing * The GemstoneService interface is a Service interface object contract defining business
* Gemstone domain objects. * operations for processing Gemstone domain objects.
* <p/> *
* @author John Blum * @author John Blum
* @see sample.data.gemfire.domain.Gemstone
* @since 1.0.0
*/ */
@SuppressWarnings("unused")
public interface GemstoneService { public interface GemstoneService {
/** /**
* Returns a count of the number of Gemstones in the GemFire Cache. * Returns a count of the number of Gemstones in the GemFire Cache.
* <p/>
*
* @return a long value indicating the number of Gemstones in the GemFire Cache. * @return a long value indicating the number of Gemstones in the GemFire Cache.
*/ */
long count(); long count();
/** /**
* Gets a Gemstone by ID. * Gets a Gemstone by ID.
* <p/>
*
* @param id a long value indicating the identifier of the Gemstone. * @param id a long value indicating the identifier of the Gemstone.
* @return a Gemstone with ID, or null if no Gemstone exists with ID. * @return a Gemstone with ID, or null if no Gemstone exists with ID.
* @see sample.data.gemfire.domain.Gemstone * @see sample.data.gemfire.domain.Gemstone
@ -49,8 +42,6 @@ public interface GemstoneService {
/** /**
* Gets a Gemstone by name. * Gets a Gemstone by name.
* <p/>
*
* @param name a String value indicating the name of the Gemstone. * @param name a String value indicating the name of the Gemstone.
* @return a Gemstone with name, or null if no Gemstone exists with name. * @return a Gemstone with name, or null if no Gemstone exists with name.
* @see sample.data.gemfire.domain.Gemstone * @see sample.data.gemfire.domain.Gemstone
@ -59,9 +50,8 @@ public interface GemstoneService {
/** /**
* Return a listing of Gemstones currently stored in the GemFire Cache. * Return a listing of Gemstones currently stored in the GemFire Cache.
* <p/> * @return a Iterable object to iterate over the list of Gemstones currently stored in
* * the GemFire Cache.
* @return a Iterable object to iterate over the list of Gemstones currently stored in the GemFire Cache.
* @see java.lang.Iterable * @see java.lang.Iterable
* @see sample.data.gemfire.domain.Gemstone * @see sample.data.gemfire.domain.Gemstone
*/ */
@ -69,8 +59,6 @@ public interface GemstoneService {
/** /**
* Saves the specified Gemstone to the GemFire Cache. * Saves the specified Gemstone to the GemFire Cache.
* <p/>
*
* @param gemstone the Gemstone to save in the GemFire Cache. * @param gemstone the Gemstone to save in the GemFire Cache.
* @return the saved Gemstone. * @return the saved Gemstone.
* @see sample.data.gemfire.domain.Gemstone * @see sample.data.gemfire.domain.Gemstone

@ -19,6 +19,7 @@ package sample.data.gemfire.service;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.List; import java.util.List;
import javax.annotation.PostConstruct; import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Autowired;
@ -29,102 +30,106 @@ import org.springframework.util.Assert;
import sample.data.gemfire.domain.Gemstone; import sample.data.gemfire.domain.Gemstone;
/** /**
* The GemstoneServiceImpl class is a Service object implementing the GemstoneService interface containing * The GemstoneServiceImpl class is a Service object implementing the GemstoneService
* business logic and rules in addition to data services for processing Gemstones. * interface containing business logic and rules in addition to data services for
* <p/> * processing Gemstones.
*
* @author John Blum * @author John Blum
* @see org.springframework.stereotype.Service
* @see org.springframework.transaction.annotation.Transactional
* @see sample.data.gemfire.domain.Gemstone
* @see sample.data.gemfire.service.GemstoneRepository
* @see sample.data.gemfire.service.GemstoneService
* @since 1.0.0
*/ */
@Service("gemstoneService") @Service("gemstoneService")
@SuppressWarnings("unused")
public class GemstoneServiceImpl implements GemstoneService { public class GemstoneServiceImpl implements GemstoneService {
protected static final List<String> APPROVED_GEMS = new ArrayList<String>(Arrays.asList( protected static final List<String> APPROVED_GEMS = new ArrayList<String>(
"ALEXANDRITE", "AQUAMARINE", "DIAMOND", "OPAL", "PEARL", "RUBY", "SAPPHIRE", "SPINEL", "TOPAZ")); Arrays.asList("ALEXANDRITE", "AQUAMARINE", "DIAMOND", "OPAL", "PEARL",
"RUBY", "SAPPHIRE", "SPINEL", "TOPAZ"));
@Autowired @Autowired
private GemstoneRepository gemstoneRepo; private GemstoneRepository gemstoneRepo;
@PostConstruct @PostConstruct
public void init() { public void init() {
Assert.notNull(gemstoneRepo, "A reference to the 'GemstoneRepository' was not properly configured!"); Assert.notNull(this.gemstoneRepo,
"A reference to the 'GemstoneRepository' was not properly configured!");
System.out.printf("%1$s initialized!%n", getClass().getSimpleName()); System.out.printf("%1$s initialized!%n", getClass().getSimpleName());
} }
/** /**
* Returns a count of the number of Gemstones in the GemFire Cache. * Returns a count of the number of Gemstones in the GemFire Cache.
* <p/> * <p/>
* *
* @return a long value indicating the number of Gemstones in the GemFire Cache. * @return a long value indicating the number of Gemstones in the GemFire Cache.
*/ */
@Override
@Transactional(readOnly = true) @Transactional(readOnly = true)
public long count() { public long count() {
return gemstoneRepo.count(); return this.gemstoneRepo.count();
} }
/** /**
* Gets a Gemstone by ID. * Gets a Gemstone by ID.
* <p/> * <p/>
* *
* @param id a long value indicating the identifier of the Gemstone. * @param id a long value indicating the identifier of the Gemstone.
* @return a Gemstone with ID, or null if no Gemstone exists with ID. * @return a Gemstone with ID, or null if no Gemstone exists with ID.
* @see sample.data.gemfire.domain.Gemstone * @see sample.data.gemfire.domain.Gemstone
*/ */
@Override
@Transactional(readOnly = true) @Transactional(readOnly = true)
public Gemstone get(final Long id) { public Gemstone get(final Long id) {
return gemstoneRepo.findOne(id); return this.gemstoneRepo.findOne(id);
} }
/** /**
* Gets a Gemstone by name. * Gets a Gemstone by name.
* <p/> * <p/>
* *
* @param name a String value indicating the name of the Gemstone. * @param name a String value indicating the name of the Gemstone.
* @return a Gemstone with name, or null if no Gemstone exists with name. * @return a Gemstone with name, or null if no Gemstone exists with name.
* @see sample.data.gemfire.domain.Gemstone * @see sample.data.gemfire.domain.Gemstone
*/ */
@Override
@Transactional(readOnly = true) @Transactional(readOnly = true)
public Gemstone get(final String name) { public Gemstone get(final String name) {
return gemstoneRepo.findByName(name); return this.gemstoneRepo.findByName(name);
} }
/** /**
* Return a listing of Gemstones currently stored in the GemFire Cache. * Return a listing of Gemstones currently stored in the GemFire Cache.
* <p/> * <p/>
* *
* @return a Iterable object to iterate over the list of Gemstones currently stored in the GemFire Cache. * @return a Iterable object to iterate over the list of Gemstones currently stored in
* the GemFire Cache.
* @see java.lang.Iterable * @see java.lang.Iterable
* @see sample.data.gemfire.domain.Gemstone * @see sample.data.gemfire.domain.Gemstone
*/ */
@Override
@Transactional(readOnly = true) @Transactional(readOnly = true)
public Iterable<Gemstone> list() { public Iterable<Gemstone> list() {
return gemstoneRepo.findAll(); return this.gemstoneRepo.findAll();
} }
/** /**
* Saves the specified Gemstone to the GemFire Cache. * Saves the specified Gemstone to the GemFire Cache.
* <p/> * <p/>
* *
* @param gemstone the Gemstone to save in the GemFire Cache. * @param gemstone the Gemstone to save in the GemFire Cache.
* @return the saved Gemstone. * @return the saved Gemstone.
* @see sample.data.gemfire.domain.Gemstone * @see sample.data.gemfire.domain.Gemstone
*/ */
@Override
@Transactional @Transactional
public Gemstone save(final Gemstone gemstone) { public Gemstone save(final Gemstone gemstone) {
Assert.notNull(gemstone, "The Gemstone to save must not be null!"); Assert.notNull(gemstone, "The Gemstone to save must not be null!");
Assert.notNull(gemstone.getName(), "The name of the Gemstone must be specified!"); Assert.notNull(gemstone.getName(), "The name of the Gemstone must be specified!");
// NOTE deliberately (naively) validate the Gemstone after mutating data access in GemFire rather than before // NOTE deliberately (naively) validate the Gemstone after mutating data access in
// GemFire rather than before
// to demonstrate transactions in GemFire. // to demonstrate transactions in GemFire.
Gemstone savedGemstone = validate(gemstoneRepo.save(gemstone)); Gemstone savedGemstone = validate(this.gemstoneRepo.save(gemstone));
Assert.state(savedGemstone.equals(get(gemstone.getId())), Assert.state(savedGemstone.equals(get(gemstone.getId())), String.format(
String.format("Failed to find Gemstone (%1$s) in GemFire's Cache Region 'Gemstones'!", gemstone)); "Failed to find Gemstone (%1$s) in GemFire's Cache Region 'Gemstones'!",
gemstone));
System.out.printf("Saved Gemstone (%1$s)%n", savedGemstone.getName()); System.out.printf("Saved Gemstone (%1$s)%n", savedGemstone.getName());
@ -133,9 +138,11 @@ public class GemstoneServiceImpl implements GemstoneService {
private Gemstone validate(final Gemstone gemstone) { private Gemstone validate(final Gemstone gemstone) {
if (!APPROVED_GEMS.contains(gemstone.getName().toUpperCase())) { if (!APPROVED_GEMS.contains(gemstone.getName().toUpperCase())) {
// NOTE if the Gemstone is not valid, blow chunks (should cause transaction to rollback in GemFire)! // NOTE if the Gemstone is not valid, blow chunks (should cause transaction to
// rollback in GemFire)!
System.err.printf("Illegal Gemstone (%1$s)!%n", gemstone.getName()); System.err.printf("Illegal Gemstone (%1$s)!%n", gemstone.getName());
throw new IllegalGemstoneException(String.format("'%1$s' is not a valid Gemstone!", gemstone.getName())); throw new IllegalGemstoneException(String.format(
"'%1$s' is not a valid Gemstone!", gemstone.getName()));
} }
return gemstone; return gemstone;

@ -1,13 +1,11 @@
<?xml version="1.0" encoding="utf-8"?> <?xml version="1.0" encoding="utf-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" <beans xmlns="http://www.springframework.org/schema/beans"
xmlns:gfe="http://www.springframework.org/schema/gemfire" xmlns:gfe="http://www.springframework.org/schema/gemfire" xmlns:util="http://www.springframework.org/schema/util"
xmlns:util="http://www.springframework.org/schema/util" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/gemfire http://www.springframework.org/schema/gemfire/spring-gemfire.xsd http://www.springframework.org/schema/gemfire http://www.springframework.org/schema/gemfire/spring-gemfire.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">
">
<util:properties id="gemfireCacheConfigurationSettings"> <util:properties id="gemfireCacheConfigurationSettings">
<prop key="name">GemstonesSpringGemFireApp</prop> <prop key="name">GemstonesSpringGemFireApp</prop>
@ -15,11 +13,13 @@
<prop key="mcast-port">0</prop> <prop key="mcast-port">0</prop>
</util:properties> </util:properties>
<gfe:cache properties-ref="gemfireCacheConfigurationSettings"/> <gfe:cache properties-ref="gemfireCacheConfigurationSettings" />
<gfe:replicated-region id="Gemstones" ignore-jta="true" persistent="false" <gfe:replicated-region id="Gemstones" ignore-jta="true"
key-constraint="java.lang.Long" value-constraint="sample.data.gemfire.domain.Gemstone"/> persistent="false" key-constraint="java.lang.Long"
value-constraint="sample.data.gemfire.domain.Gemstone" />
<gfe:transaction-manager id="transactionManager" copy-on-read="true"/> <gfe:transaction-manager id="transactionManager"
copy-on-read="true" />
</beans> </beans>

@ -16,8 +16,6 @@
package sample.data.gemfire; package sample.data.gemfire;
import static org.junit.Assert.*;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.List; import java.util.List;
import java.util.concurrent.atomic.AtomicLong; import java.util.concurrent.atomic.AtomicLong;
@ -33,21 +31,18 @@ import sample.data.gemfire.domain.Gemstone;
import sample.data.gemfire.service.GemstoneService; import sample.data.gemfire.service.GemstoneService;
import sample.data.gemfire.service.GemstoneServiceImpl.IllegalGemstoneException; import sample.data.gemfire.service.GemstoneServiceImpl.IllegalGemstoneException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
/** /**
* The SampleDataGemFireApplicationTest class is a test suite with test cases testing the SampleDataGemFireApplication * The SampleDataGemFireApplicationTest class is a test suite with test cases testing the
* in Spring Boot. * SampleDataGemFireApplication in Spring Boot.
* <p/> *
* @author John Blum * @author John Blum
* @see org.junit.Test
* @see org.junit.runner.RunWith
* @see org.springframework.boot.test.SpringApplicationConfiguration
* @see org.springframework.test.context.junit4.SpringJUnit4ClassRunner
* @see sample.data.gemfire.SampleDataGemFireApplication
* @since 1.0.0
*/ */
@RunWith(SpringJUnit4ClassRunner.class) @RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = SampleDataGemFireApplication.class) @SpringApplicationConfiguration(classes = SampleDataGemFireApplication.class)
@SuppressWarnings("unused")
public class SampleDataGemFireApplicationTest { public class SampleDataGemFireApplicationTest {
@Autowired @Autowired
@ -68,7 +63,7 @@ public class SampleDataGemFireApplicationTest {
} }
protected Gemstone createGemstone(final String name) { protected Gemstone createGemstone(final String name) {
return createGemstone(ID_GENERATOR.incrementAndGet(), name); return createGemstone(this.ID_GENERATOR.incrementAndGet(), name);
} }
protected Gemstone createGemstone(final Long id, final String name) { protected Gemstone createGemstone(final Long id, final String name) {
@ -87,45 +82,50 @@ public class SampleDataGemFireApplicationTest {
@Before @Before
public void setup() { public void setup() {
assertNotNull("A reference to the GemstoneService was not properly configured!", gemstoneService); assertNotNull("A reference to the GemstoneService was not properly configured!",
this.gemstoneService);
} }
@Test @Test
public void testGemstonesApp() { public void testGemstonesApp() {
assertEquals(0, gemstoneService.count()); assertEquals(0, this.gemstoneService.count());
assertTrue(asList(gemstoneService.list()).isEmpty()); assertTrue(asList(this.gemstoneService.list()).isEmpty());
gemstoneService.save(createGemstone("Diamond")); this.gemstoneService.save(createGemstone("Diamond"));
gemstoneService.save(createGemstone("Ruby")); this.gemstoneService.save(createGemstone("Ruby"));
assertEquals(2, gemstoneService.count()); assertEquals(2, this.gemstoneService.count());
assertTrue(asList(gemstoneService.list()).containsAll(getGemstones("Diamond", "Ruby"))); assertTrue(asList(this.gemstoneService.list()).containsAll(
getGemstones("Diamond", "Ruby")));
try { try {
gemstoneService.save(createGemstone("Coal")); this.gemstoneService.save(createGemstone("Coal"));
} }
catch (IllegalGemstoneException expected) { catch (IllegalGemstoneException expected) {
} }
assertEquals(2, gemstoneService.count()); assertEquals(2, this.gemstoneService.count());
assertTrue(asList(gemstoneService.list()).containsAll(getGemstones("Diamond", "Ruby"))); assertTrue(asList(this.gemstoneService.list()).containsAll(
getGemstones("Diamond", "Ruby")));
gemstoneService.save(createGemstone("Pearl")); this.gemstoneService.save(createGemstone("Pearl"));
gemstoneService.save(createGemstone("Sapphire")); this.gemstoneService.save(createGemstone("Sapphire"));
assertEquals(4, gemstoneService.count()); assertEquals(4, this.gemstoneService.count());
assertTrue(asList(gemstoneService.list()).containsAll(getGemstones("Diamond", "Ruby", "Pearl", "Sapphire"))); assertTrue(asList(this.gemstoneService.list()).containsAll(
getGemstones("Diamond", "Ruby", "Pearl", "Sapphire")));
try { try {
gemstoneService.save(createGemstone("Quartz")); this.gemstoneService.save(createGemstone("Quartz"));
} }
catch (IllegalGemstoneException expected) { catch (IllegalGemstoneException expected) {
} }
assertEquals(4, gemstoneService.count()); assertEquals(4, this.gemstoneService.count());
assertTrue(asList(gemstoneService.list()).containsAll(getGemstones("Diamond", "Ruby", "Pearl", "Sapphire"))); assertTrue(asList(this.gemstoneService.list()).containsAll(
assertEquals(createGemstone("Diamond"), gemstoneService.get("Diamond")); getGemstones("Diamond", "Ruby", "Pearl", "Sapphire")));
assertEquals(createGemstone("Pearl"), gemstoneService.get("Pearl")); assertEquals(createGemstone("Diamond"), this.gemstoneService.get("Diamond"));
assertEquals(createGemstone("Pearl"), this.gemstoneService.get("Pearl"));
} }
} }

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