added a deletion button to indexControlRWIs that deletes the complete web index

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4847 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/IndexControlRWIs_p.html

@@ -24,6 +24,16 @@
         </dd>
       </dl>
     </fieldset>
+    
+    </form>
+    <form action="IndexControlRWIs_p.html" method="post" enctype="multipart/form-data">
+    <fieldset><legend>Cleanup</legend>
+      <dl>
+        <dt class="TableCellDark">Index Deletion<br />(deletes all words and all urls)</dt>
+        <dd><input type="submit" name="deletecomplete" value="Delete index" onclick="return confirm('Confirm: You want to delete the complete index?')"/>
+        </dd>
+      </dl>
+    </fieldset>
     </form>
     
     #(searchresult)#::

htroot/IndexControlRWIs_p.java

@@ -104,7 +104,13 @@ public class IndexControlRWIs_p {
                     prop.put("searchresult_wordhash", keyhash);
                 }
             }
-
+            
+            // delete everything
+            if (post.containsKey("deletecomplete")) {
+                sb.webIndex.clear();
+                post.remove("deletecomplete");
+            }
+    
             // delete word
             if (post.containsKey("keyhashdeleteall")) {
                 if (delurl || delurlref) {

source/de/anomic/crawler/CrawlProfile.java

@@ -72,7 +72,7 @@ public class CrawlProfile {
         profileTable = new kelondroMapObjects(dyn, 500);
     }
     
-    public void resetDatabase() {
+    public void clear() {
         // deletes the profile database and creates a new one
         if (profileTable != null) profileTable.close();
         if (!(profileTableFile.delete())) throw new RuntimeException("cannot delete crawl profile database");
@@ -110,7 +110,7 @@ public class CrawlProfile {
             try {
                 return handleIterator.hasNext();
             } catch (kelondroException e) {
-                resetDatabase();
+                clear();
                 return false;
             }
         }
@@ -119,7 +119,7 @@ public class CrawlProfile {
                 lastkey = (String) handleIterator.next();
                 return getEntry(lastkey);
             } catch (kelondroException e) {
-                resetDatabase();
+                clear();
                 return null;
             }
         }
@@ -127,7 +127,7 @@ public class CrawlProfile {
             if (lastkey != null) try {
                 removeEntry(lastkey);
             } catch (kelondroException e) {
-                resetDatabase();
+                clear();
             }
         }
     }
@@ -143,7 +143,7 @@ public class CrawlProfile {
         try {
             profileTable.set(ne.handle(), ne.map());
         } catch (kelondroException e) {
-            resetDatabase();
+            clear();
             try {
                 profileTable.set(ne.handle(), ne.map());
             } catch (IOException ee) {
@@ -151,7 +151,7 @@ public class CrawlProfile {
                 System.exit(0);
             }
         } catch (IOException e) {
-            resetDatabase();
+            clear();
             try {
                 profileTable.set(ne.handle(), ne.map());
             } catch (IOException ee) {
@@ -182,7 +182,7 @@ public class CrawlProfile {
         try {
             profileTable.set(ne.handle(), ne.map());
         } catch (kelondroException e) {
-            resetDatabase();
+            clear();
             try {
                 profileTable.set(ne.handle(), ne.map());
             } catch (IOException ee) {
@@ -190,7 +190,7 @@ public class CrawlProfile {
                 System.exit(0);
             }
         } catch (IOException e) {
-            resetDatabase();
+            clear();
             try {
                 profileTable.set(ne.handle(), ne.map());
             } catch (IOException ee) {

source/de/anomic/index/indexCollectionRI.java

@@ -59,6 +59,14 @@ public class indexCollectionRI implements indexRI {
         }
     }
     
+    public void clear() {
+        try {
+            collectionIndex.clear();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+    
     public long getUpdateTime(String wordHash) {
         indexContainer entries = getContainer(wordHash, null);
         if (entries == null) return 0;

source/de/anomic/index/indexContainerHeap.java

@@ -88,6 +88,12 @@ public final class indexContainerHeap {
         this.readOnlyMode = false;
     }
     
+    public void clear() throws IOException {
+        if (index != null) index.clear();
+        if (cache != null) cache.clear();
+        initWriteMode();
+    }
+    
     /**
      * initializes the heap in read/write mode without reading of a dump first
      * another dump reading afterwards is not possible

source/de/anomic/index/indexRAMRI.java

@@ -79,6 +79,21 @@ public final class indexRAMRI implements indexRI, indexRIReader {
             heap.initWriteMode();
         }
     }
+    
+    /**
+     * clear the content
+     * @throws IOException 
+     */
+    public void clear() {
+        hashScore.clear();
+        hashDate.clear();
+        initTime = System.currentTimeMillis();
+        try {
+            heap.clear();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
 
     public int minMem() {
         // there is no specific large array that needs to be maintained
@@ -280,5 +295,8 @@ public final class indexRAMRI implements indexRI, indexRIReader {
         } catch (IOException e){
             log.logSevere("unable to dump cache: " + e.getMessage(), e);
         }
+        heap = null;
+        hashScore.clear();
+        hashDate.clear();
     }
 }

source/de/anomic/index/indexRI.java

@@ -45,6 +45,7 @@ public interface indexRI {
     public boolean removeEntry(String wordHash, String urlHash);
     public int removeEntries(String wordHash, Set<String> urlHashes);
     public void addEntries(indexContainer newEntries);
+    public void clear();
     public void close();
 
 }

source/de/anomic/index/indexRepositoryReference.java

@@ -64,6 +64,11 @@ public final class indexRepositoryReference {
         urlIndexFile = new kelondroSplitTable(this.location, "urls", indexURLReference.rowdef, false);
     }
 
+    public void clear() throws IOException {
+        if (exportthread != null) exportthread.interrupt();
+        urlIndexFile.clear();
+    }
+    
     public int size() {
         return urlIndexFile.size();
     }

source/de/anomic/kelondro/kelondroAbstractRecords.java

@@ -403,7 +403,7 @@ public abstract class kelondroAbstractRecords implements kelondroRecords {
         writeOrderType();
     }
 
-    public void reset() throws IOException {
+    public void clear() throws IOException {
         kelondroRA ra = this.entryFile.getRA();
         File f = new File(ra.name());
         this.entryFile.close();

source/de/anomic/kelondro/kelondroBytesLongMap.java

@@ -49,6 +49,10 @@ public class kelondroBytesLongMap {
         return index.row();
     }
     
+    public void clear() throws IOException {
+        index.clear();
+    }
+    
     public synchronized long getl(byte[] key) throws IOException {
         assert (key != null);
         kelondroRow.Entry indexentry = index.get(key);

source/de/anomic/kelondro/kelondroCache.java

@@ -431,8 +431,8 @@ public class kelondroCache implements kelondroIndex {
         return index.filename();
     }
 
-	public void reset() throws IOException {
-		this.index.reset();
+	public void clear() throws IOException {
+		this.index.clear();
 		init();
 	}
 

source/de/anomic/kelondro/kelondroCollectionIndex.java

@@ -170,6 +170,13 @@ public class kelondroCollectionIndex {
         }
     }
     
+    public void clear() throws IOException {
+        index.clear();
+        for (kelondroFixedWidthArray array: arrays.values()) {
+            array.clear();
+        }
+    }
+    
     private void openAllArrayFiles(boolean indexGeneration, kelondroByteOrder indexOrder) throws IOException {
         
         String[] list = this.path.list();

source/de/anomic/kelondro/kelondroDyn.java

@@ -123,9 +123,9 @@ public class kelondroDyn {
         }
     }
     
-    public void reset() throws IOException {
+    public void clear() throws IOException {
     	String name = this.index.filename();
-    	this.index.reset();
+    	this.index.clear();
     	this.buffer = new kelondroObjectBuffer(name);
     }
     

source/de/anomic/kelondro/kelondroEcoTable.java

@@ -516,7 +516,7 @@ public class kelondroEcoTable implements kelondroIndex {
         return lr;
     }
 
-    public void reset() throws IOException {
+    public void clear() throws IOException {
         File f = file.filename();
         file.close();
         f.delete();

source/de/anomic/kelondro/kelondroFlexTable.java

@@ -129,7 +129,7 @@ public class kelondroFlexTable extends kelondroFlexWidthArray implements kelondr
     	}
     }
     
-    public void reset() throws IOException {
+    public void clear() throws IOException {
     	super.reset();
     	RAMIndex = true;
         index = new kelondroBytesIntMap(super.row().column(0).cellwidth, super.rowdef.objectOrder, 0);

source/de/anomic/kelondro/kelondroIndex.java

@@ -73,6 +73,6 @@ public interface kelondroIndex {
     public kelondroRow.Entry removeOne() throws IOException;
     public kelondroCloneableIterator<byte[]> keys(boolean up, byte[] firstKey) throws IOException; // iterates only the key
     public kelondroCloneableIterator<kelondroRow.Entry> rows(boolean up, byte[] firstKey) throws IOException; // iterates the whole row
+    public void clear() throws IOException;
     public void close();
-    public void reset() throws IOException;
 }

source/de/anomic/kelondro/kelondroMScoreCluster.java

@@ -62,6 +62,13 @@ public final class kelondroMScoreCluster<E> {
         encnt = 0;
     }
     
+    public void clear() {
+        refkeyDB.clear();
+        keyrefDB.clear();
+        gcount = 0;
+        encnt = 0;
+    }
+    
     public static final String shortDateFormatString = "yyyyMMddHHmmss";
     public static final SimpleDateFormat shortFormatter = new SimpleDateFormat(shortDateFormatString);
     public static final long minutemillis = 60000;

source/de/anomic/kelondro/kelondroMapObjects.java

@@ -145,8 +145,8 @@ public class kelondroMapObjects extends kelondroObjects {
         if (doubleaccfields != null) for (int i = 0; i < doubleaccfields.length; i++) accMap.put(doubleaccfields[i], doubleaccumulator[i]);
     }
 
-    public void reset() throws IOException {
-    	super.reset();
+    public void clear() throws IOException {
+    	super.clear();
         if (sortfields == null) sortClusterMap = null; else {
             sortClusterMap = new HashMap<String, kelondroMScoreCluster<String>>();
             for (int i = 0; i < sortfields.length; i++) {

source/de/anomic/kelondro/kelondroObjects.java

@@ -48,8 +48,8 @@ public class kelondroObjects {
         this.cachesize = cachesize;
     }
     
-    public void reset() throws IOException {
-    	this.dyn.reset();
+    public void clear() throws IOException {
+    	this.dyn.clear();
         this.cache = new HashMap<String, kelondroObjectsEntry>();
         this.cacheScore = new kelondroMScoreCluster<String>();
     }

source/de/anomic/kelondro/kelondroRAMIndex.java

@@ -43,7 +43,7 @@ public class kelondroRAMIndex implements kelondroIndex {
         reset(initialspace);
     }
     
-    public void reset() {
+    public void clear() {
 		reset(0);
 	}
     

source/de/anomic/kelondro/kelondroSQLTable.java

@@ -297,7 +297,7 @@ public class kelondroSQLTable implements kelondroIndex {
         return new int[]{0,0,0,0,0,0,0,0,0,0};
     }
 
-    public void reset() {
+    public void clear() {
         // TODO Auto-generated method stub
         
     }

source/de/anomic/kelondro/kelondroSplitTable.java

@@ -143,7 +143,7 @@ public class kelondroSplitTable implements kelondroIndex {
         }
     }
     
-    public void reset() throws IOException {
+    public void clear() throws IOException {
     	this.close();
     	String[] l = path.list();
     	for (int i = 0; i < l.length; i++) {

source/de/anomic/kelondro/kelondroTree.java

@@ -159,8 +159,8 @@ public class kelondroTree extends kelondroCachedRecords implements kelondroIndex
         super.setLogger(log);
     }
 
-    public void reset() throws IOException {
-    	super.reset();
+    public void clear() throws IOException {
+    	super.clear();
         setHandle(root, null); 
 	}
     

source/de/anomic/language/identification/LanguageStatisticsHolder.java

@@ -54,6 +54,8 @@ import java.util.Vector;
  */
 public class LanguageStatisticsHolder extends Vector<LanguageStatistics> {
 
+    private static final long serialVersionUID = -887517724227204705L;
+
     private String languageDir = "langstats";  // directory that contains language files    
     
     private static LanguageStatisticsHolder instance;

source/de/anomic/plasma/plasmaWordIndex.java

@@ -190,7 +190,18 @@ public final class plasmaWordIndex implements indexRI {
         newsPool = new yacyNewsPool(networkRoot);
     }
     
-
+    public void clear() {
+        dhtInCache.clear();
+        dhtOutCache.clear();
+        collections.clear();
+        try {
+            referenceURL.clear();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        queuePreStack.clear();
+    }
+    
     private void initActiveCrawlProfiles() {
         this.defaultProxyProfile = null;
         this.defaultRemoteProfile = null;
@@ -213,7 +224,7 @@ public final class plasmaWordIndex implements indexRI {
                 if (name.equals(CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA)) this.defaultMediaSnippetGlobalProfile = profile;
             }
         } catch (Exception e) {
-            this.profilesActiveCrawls.resetDatabase();
+            this.profilesActiveCrawls.clear();
             this.defaultProxyProfile = null;
             this.defaultRemoteProfile = null;
             this.defaultTextSnippetLocalProfile = null;

source/de/anomic/yacy/yacySeedDB.java

@@ -1031,7 +1031,7 @@ public final class yacySeedDB implements httpdAlternativeDomainNames {
             	// eergency reset
             	yacyCore.log.logSevere("seed-db emergency reset", e);
             	try {
-					database.reset();
+					database.clear();
 					nextSeed = null;
 					return null;
 				} catch (IOException e1) {