[DL-Learner SVN] SF.net SVN: dl-learner:[1816] trunk/src/dl-learner/org/dllearner/kb/sparql/ SparqlQueryMaker.java

[<ku...@us...>]

Revision: 1816
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=1816&view=rev
Author:   kurzum
Date:     2009-07-16 13:29:56 +0000 (Thu, 16 Jul 2009)

Log Message:
-----------
fix for empty filter list sparql component

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQueryMaker.java

Modified: trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQueryMaker.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQueryMaker.java	2009-07-08 07:31:04 UTC (rev 1815)
+++ trunk/src/dl-learner/org/dllearner/kb/sparql/SparqlQueryMaker.java	2009-07-16 13:29:56 UTC (rev 1816)
@@ -192,7 +192,10 @@
 		String assembled =  assembleTerms(terms, getOperator());
 		
 		terms = new ArrayList<String>();
-		terms.add(assembled);
+		// the next line could be removed as it is included in assemble terms
+		if(!assembled.isEmpty()){
+			terms.add(assembled);
+		}
 		if (!isLiterals()) {
 			terms.add("!isLiteral(" + objectVariable + ")");
 		}
@@ -216,7 +219,7 @@
 		if (terms.isEmpty())
 			return "";
 		else if (terms.size() == 1)
-			return brackets(terms.get(0));
+			return (terms.get(0).isEmpty())?"": brackets(terms.get(0));
 		else {
 			StringBuffer sbuf = new StringBuffer(1400);
 			String first = terms.remove(0);


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