Merge branch 'master' into 3.0.0

pom.xml

@@ -129,6 +129,17 @@
         </profile>
     </profiles>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-bom</artifactId>
+                <version>4.1.21.Final</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
 
   <build>
       <directory>target</directory>

redisson-all/pom.xml

@@ -87,12 +87,10 @@
             <groupId>io.netty</groupId>
             <artifactId>netty-transport-native-epoll</artifactId>
             <classifier>linux-x86_64</classifier>
-            <version>4.1.20.Final</version>
         </dependency>
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-transport-native-kqueue</artifactId>
-            <version>4.1.20.Final</version>
         </dependency>
         <dependency>
             <groupId>de.ruedigermoeller</groupId>

redisson/pom.xml

@@ -34,45 +34,37 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-transport-native-kqueue</artifactId>
-            <version>4.1.20.Final</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-transport-native-epoll</artifactId>
-            <version>4.1.20.Final</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-common</artifactId>
-            <version>4.1.20.Final</version>
         </dependency>
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-codec</artifactId>
-            <version>4.1.20.Final</version>
         </dependency>
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-buffer</artifactId>
-            <version>4.1.20.Final</version>
         </dependency>
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-transport</artifactId>
-            <version>4.1.20.Final</version>
         </dependency>
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-resolver-dns</artifactId>
-            <version>4.1.20.Final</version>
         </dependency>
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-handler</artifactId>
-            <version>4.1.20.Final</version>
         </dependency>
 
         <dependency>

redisson/src/main/java/org/redisson/RedissonLocalCachedMap.java

@@ -22,6 +22,7 @@ import java.util.AbstractMap;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
@@ -679,6 +680,10 @@ public class RedissonLocalCachedMap<K, V> extends RedissonMap<K, V> implements R
 
     @Override
     public RFuture<Map<K, V>> getAllAsync(Set<K> keys) {
+        if (keys.isEmpty()) {
+            return newSucceededFuture(Collections.<K, V>emptyMap());
+        }
+
         final Map<K, V> result = new HashMap<K, V>();
         Set<K> mapKeys = new HashSet<K>(keys);
         for (Iterator<K> iterator = mapKeys.iterator(); iterator.hasNext();) {

redisson/src/test/java/org/redisson/BaseMapTest.java

@@ -812,6 +812,33 @@ public abstract class BaseMapTest extends BaseTest {
         assertThat(filtered.entrySet()).containsExactlyElementsOf(expectedMap.entrySet());
     }
     
+    @Test
+    public void testGetAllOrderPartially() {
+        RMap<Integer, Integer> map = getMap("getAll");
+        map.put(1, 100);
+        map.put(2, 200);
+        map.put(3, 300);
+        map.put(4, 400);
+        RMap<Integer, Integer> map2 = getMap("getAll");
+        map2.put(5, 500);
+        map2.put(6, 600);
+        map2.put(7, 700);
+        map2.put(8, 800);
+
+        Map<Integer, Integer> filtered = map.getAll(new HashSet<Integer>(Arrays.asList(2, 3, 5, 1, 7, 8)));
+
+        Map<Integer, Integer> expectedMap = new LinkedHashMap<Integer, Integer>();
+        expectedMap.put(1, 100);
+        expectedMap.put(2, 200);
+        expectedMap.put(3, 300);
+        expectedMap.put(5, 500);
+        expectedMap.put(7, 700);
+        expectedMap.put(8, 800);
+        
+        assertThat(filtered.entrySet()).containsExactlyElementsOf(expectedMap.entrySet());
+    }
+
+    
     @Test
     public void testAddAndGet() throws InterruptedException {
         RMap<Integer, Integer> map = getMap("getAll");