SGF-289 - Enumeration restrictions (xsd:enumeration) should be avoided in the XML schema.

Removed the XSD enumeration restriction on the 'result-policy' attribute of the 'interestType' SDG XSD complex-type definition in order to allow users to specify an Interest Policy using concrete values or properly placeholders when registering client Region Interests.

src/test/resources/org/springframework/data/gemfire/config/client-ns.xml

@@ -1,18 +1,37 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <beans xmlns="http://www.springframework.org/schema/beans"
-	   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	   xmlns:context="http://www.springframework.org/schema/context"
 	   xmlns:gfe="http://www.springframework.org/schema/gemfire"
 	   xmlns:p="http://www.springframework.org/schema/p"
+	   xmlns:util="http://www.springframework.org/schema/util"
+	   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	   xsi:schemaLocation="
 		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.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
 " default-lazy-init="true">
 
+	<util:properties id="placeholderProperties">
+		<prop key="client.interests.durable">true</prop>
+		<prop key="client.interests.receive-values">false</prop>
+		<prop key="client.key.interests.result-policy">keys</prop>
+		<prop key="client.regex.interests.result-policy">Keys_VALUes</prop>
+	</util:properties>
+
+	<context:property-placeholder properties-ref="placeholderProperties"/>
+
+	<util:properties id="gemfireProperties">
+		<prop key="name">ClientRegionNamespaceTest</prop>
+		<prop key="mcast-port">0</prop>
+		<prop key="log-level">warning</prop>
+	</util:properties>
+
 	<gfe:pool id="gemfire-pool" subscription-enabled="false">
 		<gfe:locator host="localhost" port="40403"/>
 	</gfe:pool>
 
-	<gfe:client-cache/>
+	<gfe:client-cache properties-ref="gemfireProperties"/>
 
 	<gfe:client-region id="simple" name="SimpleRegion"/>
 
@@ -66,6 +85,20 @@
 					   shortcut="CACHING_PROXY"
 					   value-constraint="java.lang.String"/>
 
+	<bean id="mockCache" class="org.springframework.data.gemfire.config.ClientRegionNamespaceTest$MockCacheFactoryBean"/>
+
+	<gfe:client-region id="client-with-interests" ignore-if-exists="true" shortcut="PROXY" cache-ref="mockCache">
+		<gfe:key-interest durable="${client.interests.durable}" receive-values="${client.interests.receive-values}"
+						  result-policy="${client.key.interests.result-policy}">
+			<bean class="java.lang.String">
+				<constructor-arg value=".*"/>
+			</bean>
+		</gfe:key-interest>
+		<gfe:regex-interest pattern="keyPrefix.*" durable="${client.interests.durable}"
+							receive-values="${client.interests.receive-values}"
+							result-policy="${client.regex.interests.result-policy}"/>
+	</gfe:client-region>
+
 	<bean id="c-listener" class="org.springframework.data.gemfire.SimpleCacheListener"/>
 	<bean id="testCompressor" class="org.springframework.data.gemfire.config.ClientRegionNamespaceTest$TestCompressor" p:name="STD"/>