added missing serialization to remove all warnings

source/net/yacy/kelondro/data/citation/CitationReference.java

@@ -20,6 +20,7 @@
 
 package net.yacy.kelondro.data.citation;
 
+import java.io.Serializable;
 import java.util.Collection;
 
 import net.yacy.cora.document.ASCII;
@@ -33,10 +34,12 @@ import net.yacy.kelondro.order.MicroDate;
 import net.yacy.kelondro.rwi.Reference;
 import net.yacy.kelondro.util.ByteArray;
 
-public class CitationReference implements Reference /*, Cloneable*/ {
+public class CitationReference implements Reference, Serializable {
 
     // this object stores citation attributes to URL references
 
+    private static final long serialVersionUID=1920200210928897131L;
+
     public static final Row citationRow = new Row(new Column[]{
             new Column("h", Column.celltype_string,    Column.encoder_bytes, Word.commonHashLength, "urlhash"),
             new Column("m", Column.celltype_cardinal,  Column.encoder_b256,  2, "lastModified"),

source/net/yacy/kelondro/data/citation/CitationReferenceFactory.java

@@ -20,11 +20,15 @@
 
 package net.yacy.kelondro.data.citation;
 
+import java.io.Serializable;
+
 import net.yacy.kelondro.index.Row;
 import net.yacy.kelondro.index.Row.Entry;
 import net.yacy.kelondro.rwi.ReferenceFactory;
 
-public class CitationReferenceFactory implements ReferenceFactory<CitationReference> {
+public class CitationReferenceFactory implements ReferenceFactory<CitationReference>, Serializable {
+
+    private static final long serialVersionUID=-1098504892965986149L;
 
     @Override
     public CitationReference produceSlow(final Entry e) {

source/net/yacy/kelondro/data/image/ImageReferenceFactory.java

@@ -26,21 +26,28 @@
 
 package net.yacy.kelondro.data.image;
 
+import java.io.Serializable;
+
 import net.yacy.kelondro.index.Row;
 import net.yacy.kelondro.index.Row.Entry;
 import net.yacy.kelondro.rwi.ReferenceFactory;
 
-public class ImageReferenceFactory implements ReferenceFactory<ImageReference> {
+public class ImageReferenceFactory implements ReferenceFactory<ImageReference>, Serializable {
+
+    private static final long serialVersionUID=-2209473508756878863L;
 
+    @Override
     public ImageReference produceSlow(Entry e) {
         return null; //new ImageReferenceRow(e);
     }
 
+    @Override
     public ImageReference produceFast(ImageReference r) {
         if (r instanceof ImageReferenceVars) return r;
         return new ImageReferenceVars(r);
     }
 
+    @Override
     public Row getRow() {
         return ImageReferenceRow.urlEntryRow;
     }

source/net/yacy/kelondro/data/image/ImageReferenceVars.java

@@ -26,6 +26,7 @@
 
 package net.yacy.kelondro.data.image;
 
+import java.io.Serializable;
 import java.util.Collection;
 import java.util.Queue;
 import java.util.concurrent.LinkedBlockingQueue;
@@ -38,9 +39,12 @@ import net.yacy.kelondro.rwi.Reference;
 import net.yacy.kelondro.util.ByteArray;
 
 
-public class ImageReferenceVars extends AbstractReference implements ImageReference, Reference, Cloneable {
+public class ImageReferenceVars extends AbstractReference implements ImageReference, Reference, Cloneable, Serializable {
 
-	/**
+    private static final long serialVersionUID=3669156620967277347L;
+
+
+    /**
 	 * object for termination of concurrent blocking queue processing
 	 */
 	public static final ImageReferenceVars poison = new ImageReferenceVars();

source/net/yacy/kelondro/data/navigation/NavigationReferenceFactory.java

@@ -26,21 +26,28 @@
 
 package net.yacy.kelondro.data.navigation;
 
+import java.io.Serializable;
+
 import net.yacy.kelondro.index.Row;
 import net.yacy.kelondro.index.Row.Entry;
 import net.yacy.kelondro.rwi.ReferenceFactory;
 
-public class NavigationReferenceFactory implements ReferenceFactory<NavigationReference> {
+public class NavigationReferenceFactory implements ReferenceFactory<NavigationReference>, Serializable {
+
+    private static final long serialVersionUID=-3440570952034279619L;
 
+    @Override
     public NavigationReference produceSlow(final Entry e) {
         return new NavigationReferenceRow(e);
     }
 
+    @Override
     public NavigationReference produceFast(final NavigationReference r) {
         if (r instanceof NavigationReferenceVars) return r;
         return new NavigationReferenceVars(r);
     }
 
+    @Override
     public Row getRow() {
         return NavigationReferenceRow.navEntryRow;
     }

source/net/yacy/kelondro/data/navigation/NavigationReferenceVars.java

@@ -26,6 +26,7 @@
 
 package net.yacy.kelondro.data.navigation;
 
+import java.io.Serializable;
 import java.util.Collection;
 
 import net.yacy.cora.document.ASCII;
@@ -33,7 +34,9 @@ import net.yacy.kelondro.index.Row.Entry;
 import net.yacy.kelondro.rwi.AbstractReference;
 import net.yacy.kelondro.rwi.Reference;
 
-public class NavigationReferenceVars  extends AbstractReference implements NavigationReference, Reference, Cloneable {
+public class NavigationReferenceVars  extends AbstractReference implements NavigationReference, Reference, Cloneable, Serializable {
+
+    private static final long serialVersionUID=2873544331190937594L;
 
     public byte[] termhash, refhash;
     public int hitcount, position;
@@ -82,35 +85,43 @@ public class NavigationReferenceVars  extends AbstractReference implements Navig
                 this.flags);
     }
 
+    @Override
     public String toPropertyForm() {
         return toRowEntry().toPropertyForm();
     }
 
+    @Override
     public Entry toKelondroEntry() {
         return toRowEntry().toKelondroEntry();
     }
 
+    @Override
     public String navigationHash() {
         return ASCII.String(this.termhash) + ASCII.String(this.refhash);
     }
 
+    @Override
     public byte[] urlhash() {
         return this.refhash;
     }
 
+    @Override
     public byte[] termHash() {
         return this.termhash;
     }
 
+    @Override
     public int hitcount() {
         return this.hitcount;
     }
 
+    @Override
     public int position(final int p) {
         assert p == 0 : "p = " + p;
         return this.position;
     }
 
+    @Override
     public byte flags() {
         return this.flags;
     }
@@ -134,6 +145,7 @@ public class NavigationReferenceVars  extends AbstractReference implements Navig
         return this.navigationHash().equals(other.navigationHash());
     }
 
+    @Override
     public boolean isOlder(final Reference other) {
         return false;
     }
@@ -141,14 +153,17 @@ public class NavigationReferenceVars  extends AbstractReference implements Navig
 
     // unsupported operations:
 
+    @Override
     public void join(final Reference oe) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public long lastModified() {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public Collection<Integer> positions() {
         throw new UnsupportedOperationException();
     }

source/net/yacy/kelondro/data/word/WordReferenceFactory.java

@@ -26,6 +26,7 @@
 
 package net.yacy.kelondro.data.word;
 
+import java.io.Serializable;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.Map;
@@ -39,7 +40,9 @@ import net.yacy.kelondro.rwi.ReferenceContainer;
 import net.yacy.kelondro.rwi.ReferenceFactory;
 import net.yacy.kelondro.util.ByteBuffer;
 
-public class WordReferenceFactory implements ReferenceFactory<WordReference> {
+public class WordReferenceFactory implements ReferenceFactory<WordReference>, Serializable {
+
+    private static final long serialVersionUID=-7168706947127349876L;
 
     @Override
     public WordReference produceSlow(final Entry e) {

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

@@ -237,7 +237,9 @@ public final class Row implements Serializable {
 
     }
 
-    public class Entry implements Comparable<Entry>, Comparator<Entry>, Cloneable {
+    public class Entry implements Comparable<Entry>, Comparator<Entry>, Cloneable, Serializable {
+
+        private static final long serialVersionUID=-2576312347345553495L;
 
         private byte[] rowinstance;
         private int offset; // the offset where the row starts within rowinstance
@@ -634,7 +636,10 @@ public final class Row implements Serializable {
 
     }
 
-    public final class EntryIndex extends Entry {
+    public final class EntryIndex extends Entry implements Serializable {
+
+        private static final long serialVersionUID=153069052590699231L;
+
         private final int index;
         public EntryIndex(final byte[] row, final int i) {
             super(row, false);

source/net/yacy/kelondro/order/Bitfield.java

@@ -24,11 +24,14 @@
 
 package net.yacy.kelondro.order;
 
+import java.io.Serializable;
 
-public class Bitfield implements Cloneable {
+
+public class Bitfield implements Cloneable, Serializable {
 
     // the bitfield implements a binary array. Such arrays may be exported in a base64-String
 
+    private static final long serialVersionUID=3605122793792478052L;
     private byte[] bb;
 
     public Bitfield() {
@@ -41,18 +44,18 @@ public class Bitfield implements Cloneable {
 
     public Bitfield(final int bytelength) {
         this.bb= new byte[bytelength];
-        for (int i = 0 ; i < bytelength; i++) bb[i] = 0;
+        for (int i = 0 ; i < bytelength; i++) this.bb[i] = 0;
     }
 
     public Bitfield(final int bytelength, final String exported) {
         // imports a b64-encoded bitfield
         final byte[] b = Base64Order.enhancedCoder.decode(exported);
         if (b.length == bytelength) {
-            bb = b;
+            this.bb = b;
         } else {
-            bb = new byte[bytelength];
+            this.bb = new byte[bytelength];
             assert (b.length <= bytelength) : "exported = " + exported + " has bytelength = " + b.length + " > " + bytelength;
-            System.arraycopy(b, 0, bb, 0, Math.min(b.length, bytelength));
+            System.arraycopy(b, 0, this.bb, 0, Math.min(b.length, bytelength));
         }
     }
 
@@ -66,37 +69,37 @@ public class Bitfield implements Cloneable {
     public void set(final int pos, final boolean value) {
         assert (pos >= 0);
         final int slot = pos >> 3; // /8
-        if (slot >= bb.length) {
+        if (slot >= this.bb.length) {
             // extend capacity
             byte[] nb = new byte[slot + 1];
-            System.arraycopy(bb, 0, nb, 0, bb.length);
+            System.arraycopy(this.bb, 0, nb, 0, this.bb.length);
-            for (int i = bb.length; i < nb.length; i++) nb[i] = 0;
+            for (int i = this.bb.length; i < nb.length; i++) nb[i] = 0;
-            bb = nb;
+            this.bb = nb;
         }
         if (value) {
-            bb[slot] = (byte) (bb[slot] | (1 << (pos % 8)));
+            this.bb[slot] = (byte) (this.bb[slot] | (1 << (pos % 8)));
         } else {
-            bb[slot] = (byte) (bb[slot] & (0xff ^ (1 << (pos % 8))));
+            this.bb[slot] = (byte) (this.bb[slot] & (0xff ^ (1 << (pos % 8))));
         }
     }
 
     public boolean get(final int pos) {
         assert (pos >= 0);
         final int slot = pos >> 3; // /8
-        if (slot >= bb.length) return false;
+        if (slot >= this.bb.length) return false;
-        return (bb[slot] & (1 << (pos % 8))) > 0;
+        return (this.bb[slot] & (1 << (pos % 8))) > 0;
     }
 
     public int length() {
-        return bb.length << 3;
+        return this.bb.length << 3;
     }
 
     public String exportB64() {
-        return Base64Order.enhancedCoder.encode(bb);
+        return Base64Order.enhancedCoder.encode(this.bb);
     }
 
     public byte[] bytes() {
-        return bb;
+        return this.bb;
     }
 
     @Override

source/net/yacy/kelondro/rwi/ReferenceContainer.java

@@ -54,6 +54,8 @@ import net.yacy.kelondro.order.Base64Order;
  */
 public class ReferenceContainer<ReferenceType extends Reference> extends RowSet {
 
+    private static final long serialVersionUID=-540567425172727979L;
+
     private   byte[] termHash;
     protected ReferenceFactory<ReferenceType> factory;
     public static int maxReferences = 0; // overwrite this to enable automatic index shrinking. 0 means no shrinking
@@ -255,16 +257,19 @@ public class ReferenceContainer<ReferenceType extends Reference> extends RowSet
             this.rowEntryIterator = iterator();
         }
 
+        @Override
         public boolean hasNext() {
             return this.rowEntryIterator.hasNext();
         }
 
+        @Override
         public ReferenceType next() {
             final Row.Entry rentry = this.rowEntryIterator.next();
             if (rentry == null) return null;
             return ReferenceContainer.this.factory.produceSlow(rentry);
         }
 
+        @Override
         public void remove() {
             this.rowEntryIterator.remove();
         }
@@ -562,10 +567,12 @@ public class ReferenceContainer<ReferenceType extends Reference> extends RowSet
         return pivot;
     }
 
+    @Override
     public synchronized String toString() {
         return "C[" + ASCII.String(this.termHash) + "] has " + size() + " entries";
     }
 
+    @Override
     public int hashCode() {
         return (int) Base64Order.enhancedCoder.decodeLong(this.termHash, 0, 4);
     }

source/net/yacy/peers/graphics/WebStructureGraph.java

@@ -28,6 +28,7 @@
 package net.yacy.peers.graphics;
 
 import java.io.File;
+import java.io.Serializable;
 import java.text.ParseException;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -342,8 +343,9 @@ public class WebStructureGraph
             hosthashes);
     }
 
-    public static class HostReferenceFactory implements ReferenceFactory<HostReference>
+    public static class HostReferenceFactory implements ReferenceFactory<HostReference>, Serializable {
-    {
+
+        private static final long serialVersionUID=7461135579006223155L;
 
         private static final Row hostReferenceRow = new Row(
             "String h-6, Cardinal m-4 {b256}, Cardinal c-4 {b256}",
@@ -369,8 +371,9 @@ public class WebStructureGraph
 
     }
 
-    public static class HostReference extends AbstractReference implements Reference
+    public static class HostReference extends AbstractReference implements Reference, Serializable {
-    {
+
+        private static final long serialVersionUID=-9170091435821206765L;
 
         private final Row.Entry entry;