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SGF-476 - Polish Spring (Data GemFire) provided, GemFire ServerLauncherCacheProvider implementation and tests.

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Closes #87.

(cherry picked from commit 7ef14587e207ad0d8144333add2656aef3abcfd1)
Signed-off-by: John Blum <jblum@pivotal.io>
This commit is contained in:
John Blum
2016-03-29 18:04:17 -07:00
parent b02abf2c1e
commit 91e9cdc9f8
7 changed files with 243 additions and 238 deletions
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89
src/main/java/org/springframework/data/gemfire/support/SpringServerLauncherCacheProvider.java
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@@ -15,67 +15,66 @@
*/
package org.springframework.data.gemfire.support;
import java.util.Collections;
import java.util.Properties;
import com.gemstone.gemfire.cache.Cache;
import com.gemstone.gemfire.distributed.ServerLauncher;
import com.gemstone.gemfire.distributed.ServerLauncher.Builder;
import com.gemstone.gemfire.distributed.internal.DistributionConfig;
import com.gemstone.gemfire.internal.util.CollectionUtils;
import com.gemstone.gemfire.distributed.ServerLauncherCacheProvider;
import org.apache.geode.cache.Cache;
import org.apache.geode.distributed.ServerLauncher;
import org.apache.geode.distributed.ServerLauncher.Builder;
import org.apache.geode.distributed.ServerLauncherCacheProvider;
import org.springframework.data.gemfire.GemfireUtils;
/**
* The SpringServerLauncherCacheProvider class is overrides the default behavior
* of GemFire's ServerLauncher to bootstrap the cache using a Spring
* ApplicationContext instead of a GemFire cache.xml inside a GemFire Server
* JVM-based process. This enables a GemFire Cache Server resources to be
* configured with Spring Data GemFire's XML namespace.
*
* Unlike {@link SpringContextBootstrappingInitializer}, this allows the configuration
* of the cache to specified in the Spring Context.
*
* To use this cache provider, ensure that the spring data gemfire jars are on
* the classpath of the GemFire server and specify the --spring-xml-location
* option from the command line or call {@link Builder#setSpringXmlLocation(String)}
* when launching the GemFire server.
* The SpringServerLauncherCacheProvider class overrides the default behavior of GemFire's {@link ServerLauncher}
* to bootstrap the GemFire cache using a Spring {@link org.springframework.context.ApplicationContext} instead
* of GemFire cache.xml inside a GemFire Server JVM-based process. This enables a GemFire Cache Server's resources
* to be configured with Spring Data GemFire's XML namespace.
*
* Unlike {@link SpringContextBootstrappingInitializer}, this allows the configuration of the cache to specified
* in the Spring context.
*
* To use this cache provider, ensure that the Spring Data GemFire JAR file is on the classpath of the GemFire server
* and specify the --spring-xml-location option from the Gfsh command line or call
* {@link Builder#setSpringXmlLocation(String)} when launching the GemFire server.
*
* @author Dan Smith
* @see ServerLauncherCacheProvider
* @see SpringContextBootstrappingInitializer
* @author John Blum
* @see org.springframework.context.ApplicationContext
* @see org.springframework.context.ApplicationListener
* @see org.springframework.context.ConfigurableApplicationContext
* @see org.springframework.context.annotation.
* AnnotationConfigApplicationContext
* @see org.springframework.context.event.ApplicationContextEvent
* @see org.springframework.context.event.ApplicationEventMulticaster
* @see org.springframework.context.support.ClassPathXmlApplicationContext
* @see com.gemstone.gemfire.cache.Declarable
* @link http://gemfire.docs.pivotal.io/latest/userguide/index.html#basic_config
* /the_cache/setting_cache_initializer.html
* @see org.springframework.data.gemfire.support.SpringContextBootstrappingInitializer
* @see org.apache.geode.distributed.ServerLauncherCacheProvider
* @since 1.7.0
* @link http://gemfire.docs.pivotal.io/latest/userguide/index.html#basic_config/the_cache/setting_cache_initializer.html
*/
public class SpringServerLauncherCacheProvider implements ServerLauncherCacheProvider {
/* (non-Javadoc) */
@Override
public Cache createCache(Properties gemfireProperties, ServerLauncher serverLauncher) {
if (!serverLauncher.isSpringXmlLocationSpecified()) {
return null;
Cache cache = null;
if (serverLauncher.isSpringXmlLocationSpecified()) {
System.setProperty(gemfireName(), serverLauncher.getMemberName());
newSpringContextBootstrappingInitializer().init(createParameters(serverLauncher));
cache = SpringContextBootstrappingInitializer.getApplicationContext().getBean(Cache.class);
}
System.setProperty(DistributionConfig.GEMFIRE_PREFIX + DistributionConfig.NAME_NAME,
serverLauncher.getMemberName());
createSpringContextBootstrappingInitializer().init(CollectionUtils.createProperties(
Collections.singletonMap(SpringContextBootstrappingInitializer.CONTEXT_CONFIG_LOCATIONS_PARAMETER,
serverLauncher.getSpringXmlLocation())));
return SpringContextBootstrappingInitializer.getApplicationContext().getBean(Cache.class);
return cache;
}
/* Used for testing purposes */
protected SpringContextBootstrappingInitializer createSpringContextBootstrappingInitializer() {
/* (non-Javadoc) */
Properties createParameters(ServerLauncher serverLauncher) {
Properties parameters = new Properties();
parameters.setProperty(SpringContextBootstrappingInitializer.CONTEXT_CONFIG_LOCATIONS_PARAMETER,
serverLauncher.getSpringXmlLocation());
return parameters;
}
/* (non-Javadoc) */
String gemfireName() {
return (GemfireUtils.GEMFIRE_PREFIX + GemfireUtils.NAME_PROPERTY_NAME);
}
/* (non-Javadoc) */
SpringContextBootstrappingInitializer newSpringContextBootstrappingInitializer() {
return new SpringContextBootstrappingInitializer();
}
}