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Implements JIRA ticket SGF-261 allowing an application domain object, or rather entity to be persisted to multiple Regions in the GemFire Cache.

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This commit is contained in:
John Blum
2014-03-06 13:18:58 -08:00
parent 8fb61ef348
commit 36de58ccd7
8 changed files with 181 additions and 76 deletions
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72
src/main/java/org/springframework/data/gemfire/repository/support/GemfireRepositoryFactory.java
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@@ -36,6 +36,7 @@ import org.springframework.data.repository.query.QueryLookupStrategy;
import org.springframework.data.repository.query.QueryLookupStrategy.Key;
import org.springframework.data.repository.query.RepositoryQuery;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
import com.gemstone.gemfire.cache.Region;
@@ -58,11 +59,9 @@ public class GemfireRepositoryFactory extends RepositoryFactorySupport {
* @param regions must not be {@literal null}.
* @param context
*/
public GemfireRepositoryFactory(Iterable<Region<?, ?>> regions,
MappingContext<? extends GemfirePersistentEntity<?>, GemfirePersistentProperty> context) {
public GemfireRepositoryFactory(Iterable<Region<?, ?>> regions, MappingContext<? extends GemfirePersistentEntity<?>,
GemfirePersistentProperty> context) {
Assert.notNull(regions);
this.context = context == null ? new GemfireMappingContext() : context;
this.regions = new Regions(regions, this.context);
}
@@ -70,14 +69,12 @@ public class GemfireRepositoryFactory extends RepositoryFactorySupport {
/*
* (non-Javadoc)
*
* @see
* org.springframework.data.repository.core.support.RepositoryFactorySupport
* #getEntityInformation(java.lang.Class)
* @see org.springframework.data.repository.core.support.RepositoryFactorySupport
* #getEntityInformation(java.lang.Class)
*/
@Override
@SuppressWarnings("unchecked")
public <T, ID extends Serializable> GemfireEntityInformation<T, ID> getEntityInformation(Class<T> domainClass) {
GemfirePersistentEntity<T> entity = (GemfirePersistentEntity<T>) context.getPersistentEntity(domainClass);
return new DefaultGemfireEntityInformation<T, ID>(entity);
}
@@ -85,64 +82,54 @@ public class GemfireRepositoryFactory extends RepositoryFactorySupport {
/*
* (non-Javadoc)
*
* @see
* org.springframework.data.repository.core.support.RepositoryFactorySupport
* #getTargetRepository(org.springframework.data.repository.core.
* RepositoryMetadata)
* @see org.springframework.data.repository.core.support.RepositoryFactorySupport
* #getTargetRepository(org.springframework.data.repository.core.RepositoryMetadata)
*/
@Override
@SuppressWarnings({ "rawtypes", "unchecked" })
protected Object getTargetRepository(RepositoryMetadata metadata) {
GemfireEntityInformation<?, Serializable> entityInformation = getEntityInformation(metadata.getDomainType());
GemfireTemplate gemfireTemplate = getTemplate(metadata);
return new SimpleGemfireRepository(gemfireTemplate, entityInformation);
}
private GemfireTemplate getTemplate(RepositoryMetadata metadata) {
GemfirePersistentEntity<?> entity = context.getPersistentEntity(metadata.getDomainType());
Class<?> repositoryClass = metadata.getRepositoryInterface();
Class<?> domainClass = metadata.getDomainType();
GemfirePersistentEntity<?> entity;
if (repositoryClass.isAnnotationPresent(org.springframework.data.gemfire.mapping.Region.class)) {
entity = context.getPersistentEntity(repositoryClass);
}
else {
entity = context.getPersistentEntity(domainClass);
}
String entityRegionName = entity.getRegionName();
String repositoryRegionName = getRepositoryRegionName(metadata.getRepositoryInterface());
String regionName = (StringUtils.hasText(repositoryRegionName) ? repositoryRegionName : entityRegionName);
Region<?, ?> region = regions.getRegion(entity.getRegionName());
Region<?, ?> region = regions.getRegion(regionName);
if (region == null) {
throw new IllegalStateException(String.format(
"No region '%s' found for domain class %s! Make sure you have "
+ "configured a Gemfire region of that name in your application context!",
entity.getRegionName(), domainClass));
throw new IllegalStateException(String.format("No region '%s' found for domain class %s!"
+ " Make sure you have configured a Gemfire region of that name in your application context!",
regionName, metadata.getDomainType()));
}
Class<?> regionKeyType = region.getAttributes().getKeyConstraint();
Class<?> entityIdType = metadata.getIdType();
if (regionKeyType != null && entity.getIdProperty() != null) {
Assert.isTrue(
regionKeyType.isAssignableFrom(entityIdType),
String.format(
"The region referenced only supports keys of type %s but the entity to be stored has an id of type %s!",
regionKeyType, entityIdType));
Assert.isTrue(regionKeyType.isAssignableFrom(entityIdType), String.format(
"The region referenced only supports keys of type %s but the entity to be stored has an id of type %s!",
regionKeyType, entityIdType));
}
return new GemfireTemplate(region);
}
private String getRepositoryRegionName(final Class<?> repositoryClass) {
return (repositoryClass.isAnnotationPresent(org.springframework.data.gemfire.mapping.Region.class) ?
repositoryClass.getAnnotation(org.springframework.data.gemfire.mapping.Region.class).value() : null);
}
/*
* (non-Javadoc)
*
* @see
* org.springframework.data.repository.core.support.RepositoryFactorySupport
* #getRepositoryBaseClass(org.springframework.data.repository.core.
* RepositoryMetadata)
*
* @see org.springframework.data.repository.core.support.RepositoryFactorySupport
* #getRepositoryBaseClass(org.springframework.data.repository.core.RepositoryMetadata)
*/
@Override
protected Class<?> getRepositoryBaseClass(RepositoryMetadata metadata) {
@@ -152,10 +139,8 @@ public class GemfireRepositoryFactory extends RepositoryFactorySupport {
/*
* (non-Javadoc)
*
* @see
* org.springframework.data.repository.core.support.RepositoryFactorySupport
* #getQueryLookupStrategy(org.springframework.data.repository.query.
* QueryLookupStrategy.Key)
* @see springframework.data.repository.core.support.RepositoryFactorySupport
* #getQueryLookupStrategy(org.springframework.data.repository.query.QueryLookupStrategy.Key)
*/
@Override
protected QueryLookupStrategy getQueryLookupStrategy(Key key) {
@@ -180,4 +165,5 @@ public class GemfireRepositoryFactory extends RepositoryFactorySupport {
}
};
}
}