[Bigdata-commit] SF.net SVN: bigdata:[4656] branches/QUADS_QUERY_BRANCH/bigdata-sails/src/ java/com/bigdata/rdf/sail/Rule2BOpUtility.java

[<mrp...@us...>]

Revision: 4656
          http://bigdata.svn.sourceforge.net/bigdata/?rev=4656&view=rev
Author:   mrpersonick
Date:     2011-06-09 15:55:56 +0000 (Thu, 09 Jun 2011)

Log Message:
-----------
fixed a bug where a Collection of constraints was immutable but needed to be mutable

Modified Paths:
--------------
    branches/QUADS_QUERY_BRANCH/bigdata-sails/src/java/com/bigdata/rdf/sail/Rule2BOpUtility.java

Modified: branches/QUADS_QUERY_BRANCH/bigdata-sails/src/java/com/bigdata/rdf/sail/Rule2BOpUtility.java
===================================================================
--- branches/QUADS_QUERY_BRANCH/bigdata-sails/src/java/com/bigdata/rdf/sail/Rule2BOpUtility.java	2011-06-09 15:15:11 UTC (rev 4655)
+++ branches/QUADS_QUERY_BRANCH/bigdata-sails/src/java/com/bigdata/rdf/sail/Rule2BOpUtility.java	2011-06-09 15:55:56 UTC (rev 4656)
@@ -696,7 +696,11 @@
 //					IPredicate.Annotations.CONSTRAINTS, constraints
 //							.toArray(new IConstraint[constraints.size()]));
 			
-			final Iterator<IConstraint> it = constraints.iterator();
+    		// create a mutable version
+    		final Collection<IConstraint> tmp = new LinkedList<IConstraint>();
+    		tmp.addAll(constraints);
+    		
+			final Iterator<IConstraint> it = tmp.iterator();
 			
 			while (it.hasNext()) {
 				
@@ -717,7 +721,7 @@
 			// add constraints to the join for that predicate.
 			anns.add(new NV(
 					PipelineJoin.Annotations.CONSTRAINTS,
-					constraints.toArray(new IConstraint[constraints.size()])));
+					tmp.toArray(new IConstraint[tmp.size()])));
 			
 		}
 


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