X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.db.indexing%2Fsrc%2Forg%2Fsimantics%2Fdb%2Findexing%2FQueries.java;fp=bundles%2Forg.simantics.db.indexing%2Fsrc%2Forg%2Fsimantics%2Fdb%2Findexing%2FQueries.java;h=21b32fa1ecd14d1ae0a5238095365d4dbd56f6ff;hp=21a25d7d63a79caba3742c5457005222d3845e3b;hb=5e340942bc7de041b75c6ba281617eb0c800f30a;hpb=69e1a2ba724ffadd5227d13f97eb0d9100068804

diff --git a/bundles/org.simantics.db.indexing/src/org/simantics/db/indexing/Queries.java b/bundles/org.simantics.db.indexing/src/org/simantics/db/indexing/Queries.java
index 21a25d7d6..21b32fa1e 100644
--- a/bundles/org.simantics.db.indexing/src/org/simantics/db/indexing/Queries.java
+++ b/bundles/org.simantics.db.indexing/src/org/simantics/db/indexing/Queries.java
@@ -12,6 +12,7 @@
  *******************************************************************************/
 package org.simantics.db.indexing;
 
+import java.io.IOException;
 import java.io.Reader;
 import java.util.HashMap;
 import java.util.Map;
@@ -20,12 +21,14 @@ import java.util.regex.Pattern;
 
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.TokenFilter;
+import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.Tokenizer;
 import org.apache.lucene.analysis.core.KeywordAnalyzer;
 import org.apache.lucene.analysis.core.WhitespaceAnalyzer;
 import org.apache.lucene.analysis.miscellaneous.PerFieldAnalyzerWrapper;
 import org.apache.lucene.analysis.pattern.PatternReplaceFilter;
 import org.apache.lucene.analysis.pattern.PatternTokenizer;
+import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
 import org.apache.lucene.analysis.util.CharTokenizer;
 import org.apache.lucene.queryparser.classic.ParseException;
 import org.apache.lucene.queryparser.classic.QueryParser;
@@ -34,6 +37,7 @@ import org.apache.lucene.search.Query;
 import org.apache.lucene.util.AttributeFactory;
 import org.apache.lucene.util.Version;
 import org.simantics.databoard.util.ObjectUtils;
+import org.simantics.db.layer0.genericrelation.Dependencies;
 import org.simantics.utils.datastructures.Pair;
 
 public class Queries {
@@ -94,14 +98,35 @@ public class Queries {
         }
     }
 
+    final static class LowercaseFilter extends TokenFilter {
+        private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
+
+        public LowercaseFilter(TokenStream in) {
+            super(in);
+        }
+
+        @Override
+        public boolean incrementToken() throws IOException {
+            if (!input.incrementToken()) return false;
+            String lowercase = termAtt.toString().toLowerCase();
+            termAtt.setEmpty().append(lowercase);
+            return true;
+        }
+    }
+
     static final class TypeStringAnalyzer extends Analyzer {
+        private boolean lowercase;
 
-		@Override
-		protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
+        public TypeStringAnalyzer(Boolean lowercase) {
+            this.lowercase = lowercase;
+        }
+        
+        @Override
+        protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
 			Tokenizer tokenizer = new PatternTokenizer(reader, Pattern.compile("(([^\\\\ ]|\\\\\\\\|\\\\ )+)( *)"), 1);
 			TokenFilter filter = new PatternReplaceFilter(tokenizer, Pattern.compile("(\\\\(\\\\| ))"), "$2", true);
 			
-			return new TokenStreamComponents(tokenizer, filter);
+			return new TokenStreamComponents(tokenizer, lowercase ? new LowercaseFilter(filter) : filter);
 		}
 		
 	}
@@ -118,7 +143,9 @@ public class Queries {
     	analyzerPerField.put("Resource", new KeywordAnalyzer());
     	analyzerPerField.put("GUID", new KeywordAnalyzer());
     	analyzerPerField.put("Name", new KeywordAnalyzer());
-    	analyzerPerField.put("Types", new TypeStringAnalyzer());
+    	analyzerPerField.put("Types", new TypeStringAnalyzer(false));
+    	analyzerPerField.put(Dependencies.FIELD_NAME_SEARCH, new LowerCaseWhitespaceAnalyzer(Version.LUCENE_4_9));
+    	analyzerPerField.put(Dependencies.FIELD_TYPES_SEARCH, new TypeStringAnalyzer(true));
     	
         PerFieldAnalyzerWrapper analyzer = new PerFieldAnalyzerWrapper(new LowerCaseWhitespaceAnalyzer(Version.LUCENE_4_9), analyzerPerField);
         return analyzer;