SGF-697 - Allow basePackages to be configured using a property when creating Entity-defined Regions.

src/main/java/org/springframework/data/gemfire/config/annotation/EnableEntityDefinedRegions.java

@@ -91,6 +91,8 @@ public @interface EnableEntityDefinedRegions {
 	 *
 	 * Use {@link #basePackageClasses()} for a type-safe alternative to String-based package names.
 	 *
+	 * Use the {@literal spring.data.gemfire.entities.base-packages} property in {@literal application.properties}.
+	 *
 	 * @return a {@link String} array specifying the packages to search for application persistent entities.
 	 * @see #value()
 	 */

src/main/java/org/springframework/data/gemfire/config/annotation/EntityDefinedRegionsConfiguration.java

@@ -188,10 +188,11 @@ public class EntityDefinedRegionsConfiguration extends AbstractAnnotationConfigS
 
 		Set<String> resolvedBasePackages = new HashSet<>();
 
-		Collections.addAll(resolvedBasePackages, nullSafeArray(defaultIfEmpty(
-			enableEntityDefinedRegionAttributes.getStringArray("basePackages"),
-				enableEntityDefinedRegionAttributes.getStringArray("value")),
-					String.class));
+		Collections.addAll(resolvedBasePackages, resolveProperty(entitiesProperty("base-packages"),
+			String[].class, nullSafeArray(defaultIfEmpty(
+					enableEntityDefinedRegionAttributes.getStringArray("basePackages"),
+					enableEntityDefinedRegionAttributes.getStringArray("value")),
+				String.class)));
 
 		stream(nullSafeArray(enableEntityDefinedRegionAttributes.getClassArray(
 			"basePackageClasses"), Class.class))

src/main/java/org/springframework/data/gemfire/config/annotation/support/AbstractAnnotationConfigSupport.java

@@ -722,6 +722,11 @@ public abstract class AbstractAnnotationConfigSupport
 		return String.format("%1$s%2$s.%3$s", propertyName("disk.store."), name, propertyNameSuffix);
 	}
 
+	/* (non-Javadoc) */
+	protected String entitiesProperty(String propertyNameSuffix) {
+		return String.format("%1$s%2$s", propertyName("entities."), propertyNameSuffix);
+	}
+
 	/* (non-Javadoc) */
 	protected String locatorProperty(String propertyNameSuffix) {
 		return String.format("%1$s%2$s", propertyName("locator."), propertyNameSuffix);