updated reference docs and build config for GF 7

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

@@ -123,14 +123,14 @@ abstract class AbstractRegionParser extends AliasReplacingBeanDefinitionParser {
 		String hubId = element.getAttribute("hub-id");
 		// Factory will enable gateway if it is not set and hub-id is set.
 		if (StringUtils.hasText(enableGateway)) {
-			if (ParsingUtils.GEMFIRE_VERSION.startsWith("7")) {
+			if (ParsingUtils.isGemfireV7OrAbove()) {
 				log.warn("'enable-gateway' is deprecated since Gemfire 7.0");
 			}
 		}
 		ParsingUtils.setPropertyValue(element, builder, "enable-gateway");
 
 		if (StringUtils.hasText(hubId)) {
-			if (ParsingUtils.GEMFIRE_VERSION.startsWith("7")) {
+			if (ParsingUtils.isGemfireV7OrAbove()) {
 				log.warn("'hub-id' is deprecated since Gemfire 7.0");
 			}
 			if (!CollectionUtils.isEmpty(DomUtils.getChildElementsByTagName(element, "gateway-sender"))) {

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

@@ -18,6 +18,8 @@ package org.springframework.data.gemfire.config;
 
 import java.util.List;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.springframework.beans.BeanMetadataAttribute;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.config.BeanDefinitionHolder;
@@ -48,6 +50,8 @@ import com.gemstone.gemfire.cache.Scope;
  * @author David Turanski
  */
 abstract class ParsingUtils {
+	
+	private static Log log = LogFactory.getLog(ParsingUtils.class);
 
 	final static String GEMFIRE_VERSION = CacheFactory.getVersion();
 
@@ -309,6 +313,17 @@ abstract class ParsingUtils {
 		if (StringUtils.hasText(indexUpdateType)) {
 			attrBuilder.addPropertyValue("indexMaintenanceSynchronous", "synchronous".equals(indexUpdateType));
 		}
+		
+		String concurrencyChecksEnabled = element.getAttribute("concurrency-checks-enabled");
+		if (StringUtils.hasText(concurrencyChecksEnabled)) {
+			if (!ParsingUtils.isGemfireV7OrAbove()) {
+				log.warn("'concurrency-checks-enabled' is only available in Gemfire 7.0 or above");
+			} else {
+				ParsingUtils.setPropertyValue(element, attrBuilder, "concurrency-checks-enabled");
+			}
+		}
+		
+		
 	}
 
 	static void parseMembershipAttributes(ParserContext parserContext, Element element,
@@ -339,8 +354,7 @@ abstract class ParsingUtils {
 	}
 
 	static void throwExceptionIfNotGemfireV7(String elementName, String attributeName, ParserContext parserContext) {
-		boolean checkGemfireV7 = !GEMFIRE_VERSION.startsWith("7");
-		if (checkGemfireV7) {
+		if (!isGemfireV7OrAbove()) {
 			String messagePrefix = (attributeName == null) ? "element '" + elementName + "'" : "attribute '"
 					+ attributeName + " of element '" + elementName + "'";
 			parserContext.getReaderContext().error(
@@ -348,6 +362,13 @@ abstract class ParsingUtils {
 					null);
 		}
 	}
+	
+	static boolean isGemfireV7OrAbove() {
+		
+		int version = Integer.parseInt(GEMFIRE_VERSION.substring(0,1));
+		return version >= 7;
+		
+	}
 
 	static void parseScope(Element element, BeanDefinitionBuilder builder) {
 		String scope = element.getAttribute("scope");