flatten methods

h2/src/main/org/h2/mvstore/MVStore.java

@@ -1413,7 +1413,9 @@ public class MVStore {
                 registerChunk(DataUtils.getPageChunkId(pos));
             }
             int count = page.map.getChildPageCount(page);
-            if (count > 0) {
+            if (count == 0) {
+                return;
+            }
             ChunkIdsCollector childCollector = getChild();
             for (int i = 0; i < count; i++) {
                 Page childPage = page.getChildPageIfLoaded(i);
@@ -1429,14 +1431,15 @@ public class MVStore {
                 cacheChunkRef.put(pos, chunkIds, Constants.MEMORY_ARRAY + 4 * chunkIds.length);
             }
         }
-        }
 
         public void visit(long pos) {
             if (!DataUtils.isPageSaved(pos)) {
                 return;
             }
             registerChunk(DataUtils.getPageChunkId(pos));
-            if (DataUtils.getPageType(pos) != DataUtils.PAGE_TYPE_LEAF) {
+            if (DataUtils.getPageType(pos) == DataUtils.PAGE_TYPE_LEAF) {
+                return;
+            }
             int chunkIds[];
             if (cacheChunkRef != null && (chunkIds = cacheChunkRef.get(pos)) != null) {
                 // there is a cached set of chunk ids for this position
@@ -1469,7 +1472,6 @@ public class MVStore {
                 }
             }
         }
-        }
 
         private ChunkIdsCollector getChild() {
             if (child == null) {