reverted a part of last commit

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3736 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/kelondro/kelondroRowCollection.java

@@ -173,6 +173,16 @@ public class kelondroRowCollection {
         return this.rowdef;
     }
     
+    private final void ensureSize(int elements) {
+        int needed = elements * rowdef.objectsize();
+        if (chunkcache.length >= needed) return;
+        byte[] newChunkcache = new byte[(int) (needed * growfactor)]; // increase space
+        System.arraycopy(chunkcache, 0, newChunkcache, 0, chunkcache.length);
+        chunkcache = newChunkcache;
+        newChunkcache = null;
+    }
+    
+    /*
     private static final Object[] arraydepot = new Object[]{new byte[0]};
     
     private final void ensureSize(int elements) {
@@ -233,68 +243,8 @@ public class kelondroRowCollection {
         	newChunkcache = null;
         }
     }
-    /*
-    private static final Object[] arraydepot = new Object[]{new byte[0]};
-    
-    private final void ensureSize(int elements) {
-        int needed = elements * rowdef.objectsize();
-        if (chunkcache.length >= needed) return;
-        long neededRAM = (long) (needed * growfactor);
-        long availableRAM = serverMemory.available();
-        //if ((safemode) && (neededRAM > availableRAM)) throw new kelondroMemoryProtectionException("rowCollection temporary chunkcache", neededRAM, availableRAM);
-
-        if (neededRAM > availableRAM) {
-                // go into safe mode: use the arraydepot
-                synchronized (arraydepot) {
-                        if (((byte[]) arraydepot[0]).length >= neededRAM) {
-                                System.out.println("ensureSize case 1");
-                                // use the depot to increase the chunkcache
-                                byte[] newChunkcache = (byte[]) arraydepot[0];
-                        System.arraycopy(chunkcache, 0, newChunkcache, 0, chunkcache.length);
-                        // safe the chunkcache for later use in arraydepot
-                        arraydepot[0] = chunkcache;
-                        chunkcache = newChunkcache;
-                        newChunkcache = null;
-                        } else {
-                                System.out.println("ensureSize case 2");
-                                // this is the critical part: we need more RAM.
-                                // do a buffering using the arraydepot
-                                byte[] buffer0 = (byte[]) arraydepot[0];
-                                byte[] buffer1 = new byte[chunkcache.length - buffer0.length];
-                        // first copy the previous chunkcache to the two buffers
-                                System.arraycopy(chunkcache, 0, buffer0, 0, buffer0.length);
-                                System.arraycopy(chunkcache, buffer0.length, buffer1, 0, buffer1.length);
-                                // then free the previous chunkcache and replace it with a new array at target size
-                                chunkcache = null; // hand this over to GC
-                                chunkcache = new byte[(int) neededRAM];
-                                System.arraycopy(buffer0, 0, chunkcache, 0, buffer0.length);
-                                System.arraycopy(buffer1, 0, chunkcache, buffer0.length, buffer1.length);
-                                // then move the bigger buffer into the arraydepot
-                                if (buffer0.length > buffer1.length) {
-                                        arraydepot[0] = buffer0;
-                                } else {
-                                        arraydepot[1] = buffer1;
-                                }
-                                buffer0 = null;
-                                buffer1 = null;
-                        }
-                }
-        } else {
-                // there is enough memory available
-                byte[] newChunkcache = new byte[(int) neededRAM]; // increase space
-                System.arraycopy(chunkcache, 0, newChunkcache, 0, chunkcache.length);
-                // safe the chunkcache for later use in arraydepot
-                synchronized (arraydepot) {
-                        if (((byte[]) arraydepot[0]).length < chunkcache.length) {
-                                System.out.println("ensureSize case 0");
-                                arraydepot[0] = chunkcache;
-                        }
-                }
-                chunkcache = newChunkcache;
-                newChunkcache = null;
-        }
-    }
     */
+    
     public final long memoryNeededForGrow() {
         return (long) ((((long) (chunkcount + 1)) * ((long) rowdef.objectsize())) * growfactor);
     }