optimized QueryGoal (reducing mem and computation by removing all_hashes)

- all_hashes used for text highlighting and word distance computation which can be done with include_hashes only

htroot/IndexControlRWIs_p.java

@@ -609,7 +609,7 @@ public class IndexControlRWIs_p {
         final Bitfield filter) {
         
         final HandleSet queryhashes = QueryParams.hashes2Set(ASCII.String(keyhash));        
-        final QueryGoal qg = new QueryGoal(queryhashes, null, queryhashes);
+        final QueryGoal qg = new QueryGoal(queryhashes, null);
         final QueryParams query = new QueryParams(
                 qg,
                 new QueryModifier(),

htroot/yacy/search.java

@@ -222,7 +222,7 @@ public final class search {
         if (query.isEmpty() && abstractSet != null) {
             // this is _not_ a normal search, only a request for index abstracts
             final Segment indexSegment = sb.index;
-            QueryGoal qg = new QueryGoal(abstractSet, new RowHandleSet(WordReferenceRow.urlEntryRow.primaryKeyLength, WordReferenceRow.urlEntryRow.objectOrder, 0), abstractSet);
+            QueryGoal qg = new QueryGoal(abstractSet, new RowHandleSet(WordReferenceRow.urlEntryRow.primaryKeyLength, WordReferenceRow.urlEntryRow.objectOrder, 0));
             theQuery = new QueryParams(
                     qg,
                     modifier,
@@ -286,7 +286,7 @@ public final class search {
             RowHandleSet allHashes = new RowHandleSet(WordReferenceRow.urlEntryRow.primaryKeyLength, WordReferenceRow.urlEntryRow.objectOrder, 0);
             try {allHashes.putAll(queryhashes);} catch (final SpaceExceededException e) {}
             try {allHashes.putAll(excludehashes);} catch (final SpaceExceededException e) {}
-            QueryGoal qg = new QueryGoal(queryhashes, excludehashes, allHashes);
+            QueryGoal qg = new QueryGoal(queryhashes, excludehashes);
             theQuery = new QueryParams(
                     qg,
                     modifier,

htroot/yacysearch.java

@@ -524,7 +524,7 @@ public class yacysearch {
 
             // the query
             final QueryGoal qg = new QueryGoal(originalquerystring, querystring.trim());
-            final int maxDistance = (querystring.indexOf('"', 0) >= 0) ? qg.getAllHashes().size() - 1 : Integer.MAX_VALUE;
+            final int maxDistance = (querystring.indexOf('"', 0) >= 0) ? qg.getIncludeHashes().size() - 1 : Integer.MAX_VALUE;
 
             // filter out stopwords
             final SortedSet<String> filtered = SetTools.joinConstructiveByTest(qg.getIncludeStrings(), Switchboard.stopwords); //find matching stopwords

source/net/yacy/search/query/QueryGoal.java

@@ -49,12 +49,12 @@ public class QueryGoal {
     private static String seps = ".,/&_";
     
     private String query_original;
-    private HandleSet include_hashes, exclude_hashes, all_hashes;
+    private HandleSet include_hashes, exclude_hashes;
     private final ArrayList<String> include_words, exclude_words, all_words;
     private final ArrayList<String> include_strings, exclude_strings, all_strings;
 
 
-    public QueryGoal(HandleSet include_hashes, HandleSet exclude_hashes, HandleSet all_hashes) {
+    public QueryGoal(HandleSet include_hashes, HandleSet exclude_hashes) {
         this.query_original = null;
         this.include_words = new ArrayList<String>();
         this.exclude_words = new ArrayList<String>();
@@ -64,7 +64,6 @@ public class QueryGoal {
         this.all_strings = new ArrayList<String>();
         this.include_hashes = include_hashes;
         this.exclude_hashes = exclude_hashes;
-        this.all_hashes = all_hashes;
     }
     
     public QueryGoal(String query_original, String query_words) {
@@ -99,7 +98,6 @@ public class QueryGoal {
         
         this.include_hashes = null;
         this.exclude_hashes = null;
-        this.all_hashes = null;
     }
 
     
@@ -173,11 +171,6 @@ public class QueryGoal {
         return exclude_hashes;
     }
    
-    public HandleSet getAllHashes() {
-        if (all_hashes == null) all_hashes = Word.words2hashesHandles(all_words);
-        return all_hashes;
-    }
-    
     public ArrayList<String> getIncludeStrings() {
         return include_strings;
     }

source/net/yacy/search/snippet/TextSnippet.java

@@ -382,7 +382,7 @@ public class TextSnippet implements Comparable<TextSnippet>, Comparator<TextSnip
      * @return line with marked words
      */
     public String getLineMarked(final QueryGoal queryGoal) {
-        final HandleSet queryHashes = queryGoal.getAllHashes();
+        final HandleSet queryHashes = queryGoal.getIncludeHashes();
         if (this.line == null) {
             return "";
         }