disabled the BufferedIOChunks, because I consider it as broken.

I will try to fix that, but it is better to not use a buffer than using a broken buffer.

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5600 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/kelondro/io/BufferedIOChunks.java

@@ -93,7 +93,14 @@ public final class BufferedIOChunks extends AbstractIOChunks implements IOChunks
                 return;
             }
             if (this.buffer == null) this.buffer = new byte[this.bufferSize];
-            System.arraycopy(b, off, this.buffer, (int) (pos - this.ra.length()), len);
+            assert b != null;
+            assert off >= 0 : "off = " + off;
+            assert off  + len <= b.length : "off = " + off + ", len = " + len + ", b.length = " + b.length;
+            assert this.buffer != null;
+            assert pos - this.ra.length() >= 0 : "pos = " + pos + ", this.ra.length() = " + this.ra.length();
+            assert pos - this.ra.length() + len <= this.buffer.length : "pos = " + pos + ", this.ra.length() = " + this.ra.length() + ", len = " + len + ", buffer.length = " + buffer.length;
+            //pos = 1216, this.ra.length() = 1208, len = 386, buffer.length = 0
+            System.arraycopy(b, off, this.buffer, (int) (pos - this.ra.length()), len); // OOB Exception :-(
             this.bufferSize = (int) Math.max(this.bufferSize, pos - this.ra.length() + len);
             return;
         } else if (pos + len >= this.ra.length()) {

source/de/anomic/kelondro/table/AbstractRecords.java

@@ -32,7 +32,6 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.util.HashSet;
 import java.util.Iterator;
-import java.util.Random;
 import java.util.Set;
 import java.util.StringTokenizer;
 import java.util.TreeSet;
@@ -42,7 +41,6 @@ import java.util.logging.Logger;
 import de.anomic.kelondro.index.Column;
 import de.anomic.kelondro.index.Row;
 import de.anomic.kelondro.index.Row.EntryIndex;
-import de.anomic.kelondro.io.BufferedIOChunks;
 import de.anomic.kelondro.io.ChannelRandomAccess;
 import de.anomic.kelondro.io.FileRandomAccess;
 import de.anomic.kelondro.io.IOChunksInterface;
@@ -112,7 +110,7 @@ public abstract class AbstractRecords implements RandomAccessRecords {
     protected boolean fileExisted;
     
     // Random. This is used to shift flush-times of write-buffers to differrent time
-    private static Random random = new Random(System.currentTimeMillis());
+    //private static Random random = new Random(System.currentTimeMillis());
 
     // check for debug mode
     public static boolean debugmode = false;
@@ -554,11 +552,11 @@ public abstract class AbstractRecords implements RandomAccessRecords {
     private void initExistingFile(final RandomAccessInterface ra, boolean useBuffer) throws IOException {
         // read from Chunked IO
         //useBuffer = false;
-        if (useBuffer) {
+        /*if (useBuffer) {
             this.entryFile = new BufferedIOChunks(ra, ra.name(), 1024*1024, 30000 + random.nextLong() % 30000);
-        } else {
+        } else {*/
             this.entryFile = new RandomAccessIOChunks(ra, ra.name());
-        }
+        //}
 
         // read dynamic variables that are back-ups of stored values in file;
         // read/defined on instantiation