Partial Fix and Refactoring for JIRA issue SGF-236 enabling the <gfe:lookup-region/> nested element syntax to function properly.

src/main/java/org/springframework/data/gemfire/RegionFactoryBean.java

@@ -77,8 +77,6 @@ public class RegionFactoryBean<K, V> extends RegionLookupFactoryBean<K, V> imple
 	private Object[] asyncEventQueues;
 	private Object[] gatewaySenders;
 
-	private Region<?, ?> parent;
-
 	private RegionAttributes<K, V> attributes;
 
 	private Resource snapshot;
@@ -169,13 +167,13 @@ public class RegionFactoryBean<K, V> extends RegionLookupFactoryBean<K, V> imple
 		// get underlying AttributesFactory
 		postProcess(findAttributesFactory(regionFactory));
 
-		Region<K, V> region = (this.parent != null ? regionFactory.createSubregion(parent, regionName)
+		Region<K, V> region = (getParent() != null ? regionFactory.createSubregion(getParent(), regionName)
 			: regionFactory.create(regionName));
 
 		if (log.isInfoEnabled()) {
-			if (parent != null) {
+			if (getParent() != null) {
 				log.info(String.format("Created new Cache sub-Region [%1$s] under parent Region [%2$s].",
-					regionName, parent.getName()));
+					regionName, getParent().getName()));
 			}
 			else {
 				log.info(String.format("Created new Cache Region [%1$s].", regionName));
@@ -249,7 +247,6 @@ public class RegionFactoryBean<K, V> extends RegionLookupFactoryBean<K, V> imple
 	 */
 	@SuppressWarnings("unused")
 	protected void postProcess(Region<K, V> region) {
-
 	}
 
 	@Override
@@ -374,10 +371,6 @@ public class RegionFactoryBean<K, V> extends RegionLookupFactoryBean<K, V> imple
 		this.hubId = hubId;
 	}
 
-	public void setParent(Region<?, ?> parent) {
-		this.parent = parent;
-	}
-
 	public void setPersistent(boolean persistent) {
 		this.persistent = persistent;
 	}

src/main/java/org/springframework/data/gemfire/RegionLookupFactoryBean.java

@@ -35,12 +35,14 @@ import com.gemstone.gemfire.cache.Region;
  * @author Costin Leau
  * @author John Blum
  */
+@SuppressWarnings("unused")
 public class RegionLookupFactoryBean<K, V> implements FactoryBean<Region<K, V>>, InitializingBean, BeanNameAware {
 
 	protected final Log log = LogFactory.getLog(getClass());
 
 	private GemFireCache cache;
 
+	private Region<?, ?> parent;
 	private Region<K, V> region;
 
 	private String beanName;
@@ -56,7 +58,13 @@ public class RegionLookupFactoryBean<K, V> implements FactoryBean<Region<K, V>>,
 		Assert.hasText(regionName, "The 'regionName', 'name' or 'beanName' property must be set.");
 
 		synchronized (cache) {
-			region = cache.getRegion(regionName);
+			//region = (getParent() != null ? getParent().getSubregion(regionName) : cache.getRegion(regionName));
+			if (getParent() != null) {
+				region = getParent().getSubregion(regionName);
+			}
+			else {
+				region = cache.getRegion(regionName);
+			}
 
 			if (region != null) {
 				log.info(String.format("Retrieved Region [%1$s] from Cache [%2$s].", regionName, cache.getName()));
@@ -126,6 +134,26 @@ public class RegionLookupFactoryBean<K, V> implements FactoryBean<Region<K, V>>,
 		this.name = name;
 	}
 
+	/**
+	 * Sets a reference to the parent Region if this FactoryBean represents a GemFire Cache Sub-Region.
+	 * <p/>
+	 * @param parent a reference to the parent Region if this Region is a Sub-Region.
+	 * @see com.gemstone.gemfire.cache.Region
+	 */
+	public void setParent(Region<?, ?> parent) {
+		this.parent = parent;
+	}
+
+	/**
+	 * Gets a reference to the parent Region if this FactoryBean represents a GemFire Cache Sub-Region.
+	 * <p/>
+	 * @return a reference to the parent Region or null if this Region is not a Sub-Region.
+	 * @see com.gemstone.gemfire.cache.Region
+	 */
+	protected Region<?, ?> getParent() {
+		return parent;
+	}
+
 	/**
 	 * Sets the name of the Cache Region as expected by GemFire.  If no Region is found with the given name, a new one
 	 * will be created.  If no name is given, the value of the 'name' property will be used.

src/main/java/org/springframework/data/gemfire/config/LookupRegionParser.java

@@ -41,15 +41,13 @@ class LookupRegionParser extends AbstractRegionParser {
 			boolean subRegion) {
 		super.doParse(element, builder);
 
+		String resolvedCacheRef = ParsingUtils.resolveCacheReference(element.getAttribute("cache-ref"));
+
+		builder.addPropertyReference("cache", resolvedCacheRef);
 		ParsingUtils.setPropertyValue(element, builder, "name", "name");
 
 		if (!subRegion) {
-			String cacheRef = element.getAttribute("cache-ref");
-			builder.addPropertyReference("cache", (StringUtils.hasText(cacheRef) ? cacheRef
-				: GemfireConstants.DEFAULT_GEMFIRE_CACHE_NAME));
-		}
-		else {
-			builder.addPropertyValue("lookupOnly", true);
+			parseSubRegions(element, parserContext, resolvedCacheRef);
 		}
 	}