RLexSortedSet.readAll, pollFirst, pollLast, first, last and revRank methods added

src/main/java/org/redisson/core/RLexSortedSet.java

@@ -20,6 +20,24 @@ import java.util.Set;
 
 public interface RLexSortedSet extends RLexSortedSetAsync, Set<String>, RExpirable {
 
+    String pollFirst();
+
+    String pollLast();
+
+    String first();
+
+    String last();
+
+    /**
+     * Returns rank of value, with the scores ordered from high to low.
+     * 
+     * @param o
+     * @return rank or <code>null</code> if value does not exist
+     */
+    Integer revRank(String o);
+    
+    Collection<String> readAll();
+    
     int removeRangeTail(String fromElement, boolean fromInclusive);
     
     /**

src/main/java/org/redisson/core/RLexSortedSetAsync.java

@@ -21,6 +21,16 @@ import io.netty.util.concurrent.Future;
 
 public interface RLexSortedSetAsync extends RCollectionAsync<String> {
 
+    Future<String> pollLastAsync();
+
+    Future<String> pollFirstAsync();
+
+    Future<String> firstAsync();
+
+    Future<String> lastAsync();
+    
+    Future<Collection<String>> readAllAsync();
+    
     Future<Integer> removeRangeAsync(String fromElement, boolean fromInclusive, String toElement, boolean toInclusive);
 
     /**
@@ -126,5 +136,13 @@ public interface RLexSortedSetAsync extends RCollectionAsync<String> {
      */
     @Deprecated
     Future<Collection<String>> valueRangeAsync(int startIndex, int endIndex);
+    
+    /**
+     * Returns rank of value, with the scores ordered from high to low.
+     * 
+     * @param o
+     * @return rank or <code>null</code> if value does not exist
+     */
+    Future<Integer> revRankAsync(String o);
 
 }

src/test/java/org/redisson/RedissonLexSortedSetTest.java

@@ -1,12 +1,53 @@
 package org.redisson;
 
-import static org.assertj.core.api.Assertions.*;
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.hamcrest.MatcherAssert;
+import org.hamcrest.Matchers;
 import org.junit.Assert;
 import org.junit.Test;
 import org.redisson.core.RLexSortedSet;
 
 public class RedissonLexSortedSetTest extends BaseTest {
 
+    @Test
+    public void testPollLast() {
+        RLexSortedSet set = redisson.getLexSortedSet("simple");
+        Assert.assertNull(set.pollLast());
+
+        set.add("a");
+        set.add("b");
+        set.add("c");
+
+        Assert.assertEquals("c", set.pollLast());
+        MatcherAssert.assertThat(set, Matchers.contains("a", "b"));
+    }
+
+    @Test
+    public void testPollFirst() {
+        RLexSortedSet set = redisson.getLexSortedSet("simple");
+        Assert.assertNull(set.pollFirst());
+
+        set.add("a");
+        set.add("b");
+        set.add("c");
+
+        Assert.assertEquals("a", set.pollFirst());
+        MatcherAssert.assertThat(set, Matchers.contains("b", "c"));
+    }
+
+    @Test
+    public void testFirstLast() {
+        RLexSortedSet set = redisson.getLexSortedSet("simple");
+        set.add("a");
+        set.add("b");
+        set.add("c");
+        set.add("d");
+
+        Assert.assertEquals("a", set.first());
+        Assert.assertEquals("d", set.last());
+    }
+    
     @Test
     public void testRemoveLexRangeTail() {
         RLexSortedSet set = redisson.getLexSortedSet("simple");