Support 'before' RSM for replies

Author: lloydwatkin

src/main/java/org/buddycloud/channelserver/db/jdbc/JDBCNodeStore.java

@@ -1181,7 +1181,6 @@ public ClosableIteratorImpl<NodeItem> getNodeItemReplies(String nodeId, String i
             if (null != rsmItem) {
                 since = getNodeItem(nodeId, rsmItem).getUpdated();
             }
-
             String query = dialect.selectItemReplies()
                 .replace("%beforeAfter%", afterReplacement);
 

src/test/java/org/buddycloud/channelserver/db/jdbc/JDBCNodeStoreTest.java

@@ -435,6 +435,41 @@ public void canGetItemRepliesWithResultSetManagement() throws Exception {
         assertSameNodeItem(itemsResult.get(1), testItem1);
     }
 
+    @Test
+    public void canGetItemRepliesWithResultSetManagementPagingBackwards() throws Exception {
+
+        dbTester.loadData("node_1");
+        NodeItem testItem1 = new NodeItemImpl(TEST_SERVER1_NODE1_ID, "a6",
+                new Date(), "<entry>payload</entry>", "a5", new Date());
+        Thread.sleep(100);
+        NodeItem testItem2 = new NodeItemImpl(TEST_SERVER1_NODE1_ID, "a7",
+                new Date(), "<entry>payload</entry>", "a5", new Date());
+        Thread.sleep(100);
+        NodeItem testItem3 = new NodeItemImpl(TEST_SERVER1_NODE1_ID, "a8",
+                new Date(), "<entry>payload</entry>", "a5", new Date());
+        Thread.sleep(100);
+        NodeItem testItem4 = new NodeItemImpl(TEST_SERVER1_NODE1_ID, "a9",
+                new Date(), "<entry>payload</entry>", "/full-node-item-id-ref/a5", new Date());
+        store.addNodeItem(testItem1);
+        store.addNodeItem(testItem2);
+        store.addNodeItem(testItem3);
+        store.addNodeItem(testItem4);
+        
+        ClosableIteratorImpl<NodeItem> items = store.getNodeItemReplies(
+                TEST_SERVER1_NODE1_ID, "a5", "a8", false, 4);
+
+        int count = 0;
+        ArrayList<NodeItem> itemsResult = new ArrayList<NodeItem>();
+        while (items.hasNext()) {
+            ++count;
+            itemsResult.add(items.next());
+
+        }
+        assertEquals(2, count);
+        assertSameNodeItem(itemsResult.get(0), testItem1);
+        assertSameNodeItem(itemsResult.get(1), testItem2);
+    }
+
     @Test
     public void canGetCountOfItemReplies() throws Exception {
         dbTester.loadData("node_1");