+ updated sample

- removed GridToWorldWriter

samples/hello-world/src/main/java/org/springframework/data/gemfire/samples/helloworld/CacheLogger.java

@@ -51,7 +51,7 @@ public class CacheLogger extends CacheListenerAdapter<Object, Object> {
 		Object value = event.getNewValue();
 
 		if (event.getOperation().isUpdate()) {
-			return "[" + key + "=" + event.getOldValue() + " to " + event.getNewValue() + "]";
+			return "[" + key + "] from [" + event.getOldValue() + "] to [" + event.getNewValue() + "]";
 		}
 		return "[" + key + "=" + value + "]";
 	}

samples/hello-world/src/main/java/org/springframework/data/gemfire/samples/helloworld/CommandProcessor.java

@@ -22,6 +22,9 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.util.Scanner;
+import java.util.Set;
+import java.util.Map.Entry;
+import java.util.regex.Pattern;
 
 import javax.annotation.Resource;
 
@@ -43,6 +46,8 @@ import com.gemstone.gemfire.cache.Region;
 @Component
 public class CommandProcessor {
 
+	private static final Pattern COM = Pattern.compile("query|exit|help|size|clear|keys|values|map|containsKey|containsValue|get|remove|put");
+
 	private static final Log log = LogFactory.getLog(CommandProcessor.class);
 
 	private static String help = initHelp();
@@ -120,15 +125,16 @@ public class CommandProcessor {
 		final Scanner sc = new Scanner(line);
 
 		return template.execute(new GemfireCallback<String>() {
+
 			public String doInGemfire(Region reg) throws GemFireCheckedException, GemFireException {
 				Region<String, String> region = reg;
 
-				if (!sc.hasNext()) {
-					return "Invalid command";
+				if (!sc.hasNext(COM)) {
+					return "Invalid command - type 'help' for supported operations";
 				}
 				String command = sc.next();
-
-
+				String arg1 = (sc.hasNext() ? sc.next() : null);
+				String arg2 = (sc.hasNext() ? sc.next() : null);
 
 				// query shortcut
 				if ("query".equalsIgnoreCase(command)) {
@@ -149,7 +155,7 @@ public class CommandProcessor {
 				}
 				if ("clear".equalsIgnoreCase(command)) {
 					region.clear();
-					return "Clearing grid";
+					return "Clearing grid..";
 				}
 				if ("keys".equalsIgnoreCase(command)) {
 					return region.keySet().toString();
@@ -158,36 +164,40 @@ public class CommandProcessor {
 					return region.values().toString();
 				}
 
-				if (!sc.hasNext()) {
-					return "Argument(s) needed";
-				}
+				if ("map".equalsIgnoreCase(command)) {
+					Set<Entry<String, String>> entrySet = region.entrySet();
+					if (entrySet.size() == 0)
+						return "[]";
 
-				String arg = sc.next();
+					StringBuilder sb = new StringBuilder();
+					for (Entry<String, String> entry : entrySet) {
+						sb.append("[");
+						sb.append(entry.getKey());
+						sb.append("=");
+						sb.append(entry.getValue());
+						sb.append("] ");
+					}
+					return sb.toString();
+				}
 
 				// commands w/ 1 arg
 				if ("containsKey".equalsIgnoreCase(command)) {
-					return EMPTY + region.containsKey(arg);
+					return EMPTY + region.containsKey(arg1);
 				}
 				if ("containsValue".equalsIgnoreCase(command)) {
-					return EMPTY + region.containsValue(arg);
+					return EMPTY + region.containsValue(arg1);
 				}
 				if ("get".equalsIgnoreCase(command)) {
-					return region.get(arg);
+					return region.get(arg1);
 				}
 				if ("remove".equalsIgnoreCase(command)) {
-					return region.remove(arg);
+					return region.remove(arg1);
 				}
 
 				// commands w/ 2 args
 
-				if (!sc.hasNext()) {
-					return "2 Argument needed";
-				}
-
-				String arg2 = sc.next();
-
 				if ("put".equalsIgnoreCase(command)) {
-					return region.put(arg, arg2);
+					return region.put(arg1, arg2);
 				}
 
 				sc.close();

samples/hello-world/src/main/java/org/springframework/data/gemfire/samples/helloworld/GridToWorldWriter.java

@@ -1,27 +0,0 @@
-/*
- * Copyright 2010 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.springframework.data.gemfire.samples.helloworld;
-
-import com.gemstone.gemfire.cache.util.CacheWriterAdapter;
-
-/**
- * @author Costin Leau
- */
-public class GridToWorldWriter extends CacheWriterAdapter<Object, Object> {
-
-	
-}

samples/hello-world/src/main/java/org/springframework/data/gemfire/samples/helloworld/HelloWorld.java

@@ -37,7 +37,7 @@ public class HelloWorld {
 	private static final Log log = LogFactory.getLog(HelloWorld.class);
 
 	// inject the region
-	@Resource(name = "hw-region")
+	@Resource(name = "myWorld")
 	private Region<String, String> region;
 
 	@Resource

samples/hello-world/src/main/resources/app-context.xml

@@ -4,12 +4,11 @@
 	xmlns:p="http://www.springframework.org/schema/p"
 	xmlns:context="http://www.springframework.org/schema/context"
 	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-3.0.xsd">
+		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
 
 	<import resource="cache-context.xml"/>
 	
 	<!-- find beans by scanning the classpath -->
 	<context:component-scan base-package="org.springframework.data.gemfire.samples.helloworld"/>
-	
-	<bean id="gemfireTemplate" class="org.springframework.data.gemfire.GemfireTemplate" p:region-ref="hw-region"/>
+
 </beans>

samples/hello-world/src/main/resources/cache-context.xml

@@ -15,13 +15,11 @@
 	
 	<!-- hello world region -->
 	<!-- since no name is given, the region will be named after the bean -->
-	<bean id="hw-region" class="org.springframework.data.gemfire.RegionFactoryBean" p:cache-ref="cache" p:dataPolicy="REPLICATE" p:scope="DISTRIBUTED_ACK">
+	<bean id="myWorld" class="org.springframework.data.gemfire.RegionFactoryBean" p:cache-ref="cache" p:dataPolicy="REPLICATE" p:scope="DISTRIBUTED_ACK">
 		<property name="cacheListeners">
 			<bean class="org.springframework.data.gemfire.samples.helloworld.CacheLogger"/>
 		</property>
-		<property name="cacheWriter">
-			<bean class="org.springframework.data.gemfire.samples.helloworld.GridToWorldWriter"/>
-		</property>
 	</bean>
-	
+
+	<bean id="gemfireTemplate" class="org.springframework.data.gemfire.GemfireTemplate" p:region-ref="myWorld"/>
 </beans>

samples/hello-world/src/main/resources/cache.properties

@@ -1 +1,2 @@
 log-level=warning
+name=Spring GemFire World

samples/pom.xml

@@ -57,6 +57,13 @@
       <scope>test</scope>
     </dependency>
     
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>${junit.version}</version>
+      <scope>test</scope>
+    </dependency>
+
   </dependencies>
   
   <build>

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

@@ -150,6 +150,10 @@ public class GemfireTemplate extends GemfireAccessor {
 				new CloseSuppressingInvocationHandler(region));
 	}
 
+	//-------------------------------------------------------------------------
+	// Convenience methods for load, save, delete
+	//-------------------------------------------------------------------------
+
 	/**
 	 * Invocation handler that suppresses close calls on GemFire Regions.
 	 * @see Region#close()