do not sort arrays again if arrays are already sorted

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7845 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/net/yacy/cora/storage/Array.java

@@ -146,7 +146,7 @@ public class Array {
                 job.latch.countUp();
             } catch (final InterruptedException e) {
             } else {
-                sort(nextJob, threaded);
+                sort(nextJob, false);
             }
         }
         if ((s = d - c) > 1) {
@@ -156,7 +156,7 @@ public class Array {
                 job.latch.countUp();
             } catch (final InterruptedException e) {
             } else {
-                sort(nextJob, threaded);
+                sort(nextJob, false);
             }
         }
     }

source/net/yacy/kelondro/index/RowCollection.java

@@ -613,8 +613,9 @@ public class RowCollection implements Sortable<Row.Entry>, Iterable<Row.Entry>,
     }
 
     public final void sort() {
+        if (this.sortBound == this.chunkcount) return; // this is sorted
         net.yacy.cora.storage.Array.sort(this);
-        this.sortBound = size();
+        this.sortBound = this.chunkcount;
     }
 
     public static class partitionthread implements Callable<Integer> {