http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDecimalOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDecimalOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDecimalOperation.java
index f44a8e0..8117d0e 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDecimalOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDecimalOperation.java
@@ -26,16 +26,16 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastToDecimalOperation extends AbstractCastToOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -243,4 +243,4 @@ public class CastToDecimalOperation extends 
AbstractCastToOperation {
         dOut.writeLong(value);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDoubleOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDoubleOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDoubleOperation.java
index 43b06ff..ee03928 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDoubleOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDoubleOperation.java
@@ -26,15 +26,15 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToDoubleOperation extends AbstractCastToOperation {
     @Override
@@ -178,4 +178,4 @@ public class CastToDoubleOperation extends 
AbstractCastToOperation {
         dOut.writeDouble(numericp.doubleValue());
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDurationOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDurationOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDurationOperation.java
index 070c108..776f39a 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDurationOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToDurationOperation.java
@@ -27,9 +27,9 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToDurationOperation extends AbstractCastToOperation {
 
@@ -129,4 +129,4 @@ public class CastToDurationOperation extends 
AbstractCastToOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToEntityOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToEntityOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToEntityOperation.java
index 88676d5..bdcf4cc 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToEntityOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToEntityOperation.java
@@ -24,4 +24,4 @@ public class CastToEntityOperation extends 
CastToStringOperation {
         returnTag = ValueTag.XS_ENTITY_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToFloatOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToFloatOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToFloatOperation.java
index 6dbf917..5009a64 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToFloatOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToFloatOperation.java
@@ -26,15 +26,15 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToFloatOperation extends AbstractCastToOperation {
     /*
@@ -186,4 +186,4 @@ public class CastToFloatOperation extends 
AbstractCastToOperation {
         dOut.writeFloat(numericp.floatValue());
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGDayOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGDayOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGDayOperation.java
index 0e01d3f..76bac78 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGDayOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGDayOperation.java
@@ -28,7 +28,7 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToGDayOperation extends AbstractCastToOperation {
 
@@ -117,4 +117,4 @@ public class CastToGDayOperation extends 
AbstractCastToOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGMonthDayOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGMonthDayOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGMonthDayOperation.java
index ab92cc2..92832a9 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGMonthDayOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGMonthDayOperation.java
@@ -28,7 +28,7 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToGMonthDayOperation extends AbstractCastToOperation {
 
@@ -117,4 +117,4 @@ public class CastToGMonthDayOperation extends 
AbstractCastToOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGMonthOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGMonthOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGMonthOperation.java
index 3cd1edf..f8979c6 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGMonthOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGMonthOperation.java
@@ -28,7 +28,7 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToGMonthOperation extends AbstractCastToOperation {
 
@@ -117,4 +117,4 @@ public class CastToGMonthOperation extends 
AbstractCastToOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGYearMonthOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGYearMonthOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGYearMonthOperation.java
index 99cdb48..1817824 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGYearMonthOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGYearMonthOperation.java
@@ -28,7 +28,7 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToGYearMonthOperation extends AbstractCastToOperation {
 
@@ -138,4 +138,4 @@ public class CastToGYearMonthOperation extends 
AbstractCastToOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGYearOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGYearOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGYearOperation.java
index 08d589a..22c1168 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGYearOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToGYearOperation.java
@@ -28,7 +28,7 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToGYearOperation extends AbstractCastToOperation {
 
@@ -124,4 +124,4 @@ public class CastToGYearOperation extends 
AbstractCastToOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToHexBinaryOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToHexBinaryOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToHexBinaryOperation.java
index 8bd6e35..f29c71a 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToHexBinaryOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToHexBinaryOperation.java
@@ -26,8 +26,8 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastToHexBinaryOperation extends AbstractCastToOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -76,4 +76,4 @@ public class CastToHexBinaryOperation extends 
AbstractCastToOperation {
     public void convertUntypedAtomic(UTF8StringPointable stringp, DataOutput 
dOut) throws SystemException, IOException {
         convertString(stringp, dOut);
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIDOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIDOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIDOperation.java
index 9827247..13d00e3 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIDOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIDOperation.java
@@ -24,4 +24,4 @@ public class CastToIDOperation extends CastToStringOperation {
         returnTag = ValueTag.XS_ID_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIDREFOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIDREFOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIDREFOperation.java
index 745bbf0..f1ea0f8 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIDREFOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIDREFOperation.java
@@ -24,4 +24,4 @@ public class CastToIDREFOperation extends 
CastToStringOperation {
         returnTag = ValueTag.XS_IDREF_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIntOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIntOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIntOperation.java
index 43227ad..fc6742b 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIntOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIntOperation.java
@@ -26,15 +26,15 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToIntOperation extends AbstractCastToOperation {
     boolean negativeAllowed = true;
@@ -188,4 +188,4 @@ public class CastToIntOperation extends 
AbstractCastToOperation {
         dOut.write(returnTag);
         dOut.writeInt(numericp.intValue());
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIntegerOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIntegerOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIntegerOperation.java
index 440c802..fa7c858 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIntegerOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToIntegerOperation.java
@@ -26,15 +26,15 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToIntegerOperation extends AbstractCastToOperation {
     boolean negativeAllowed = true;
@@ -190,4 +190,4 @@ public class CastToIntegerOperation extends 
AbstractCastToOperation {
         dOut.write(returnTag);
         dOut.writeLong(numericp.longValue());
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToLanguageOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToLanguageOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToLanguageOperation.java
index 244117b..37c5e22 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToLanguageOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToLanguageOperation.java
@@ -24,4 +24,4 @@ public class CastToLanguageOperation extends 
CastToStringOperation {
         returnTag = ValueTag.XS_LANGUAGE_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToLongOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToLongOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToLongOperation.java
index 599afe6..c5e64a3 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToLongOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToLongOperation.java
@@ -25,4 +25,4 @@ public class CastToLongOperation extends 
CastToIntegerOperation {
         returnTag = ValueTag.XS_LONG_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNCNameOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNCNameOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNCNameOperation.java
index 21010e8..3150fca 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNCNameOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNCNameOperation.java
@@ -24,4 +24,4 @@ public class CastToNCNameOperation extends 
CastToStringOperation {
         returnTag = ValueTag.XS_NCNAME_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNMTokenOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNMTokenOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNMTokenOperation.java
index 058b903..bab5137 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNMTokenOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNMTokenOperation.java
@@ -24,4 +24,4 @@ public class CastToNMTokenOperation extends 
CastToStringOperation {
         returnTag = ValueTag.XS_NMTOKEN_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNameOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNameOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNameOperation.java
index 719156d..06e9120 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNameOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNameOperation.java
@@ -24,4 +24,4 @@ public class CastToNameOperation extends 
CastToStringOperation {
         returnTag = ValueTag.XS_NAME_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNegativeIntegerOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNegativeIntegerOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNegativeIntegerOperation.java
index 3c719f1..9bcc108 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNegativeIntegerOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNegativeIntegerOperation.java
@@ -26,4 +26,4 @@ public class CastToNegativeIntegerOperation extends 
CastToIntegerOperation {
         returnTag = ValueTag.XS_NEGATIVE_INTEGER_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNonNegativeIntegerOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNonNegativeIntegerOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNonNegativeIntegerOperation.java
index 9d57ccf..0d79aad 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNonNegativeIntegerOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNonNegativeIntegerOperation.java
@@ -25,4 +25,4 @@ public class CastToNonNegativeIntegerOperation extends 
CastToIntegerOperation {
         returnTag = ValueTag.XS_NON_NEGATIVE_INTEGER_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNonPositiveIntegerOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNonPositiveIntegerOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNonPositiveIntegerOperation.java
index 081fc1e..f00a733 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNonPositiveIntegerOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNonPositiveIntegerOperation.java
@@ -26,4 +26,4 @@ public class CastToNonPositiveIntegerOperation extends 
CastToIntegerOperation {
         returnTag = ValueTag.XS_NON_POSITIVE_INTEGER_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNormalizedStringOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNormalizedStringOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNormalizedStringOperation.java
index 832a159..eadf9eb 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNormalizedStringOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNormalizedStringOperation.java
@@ -24,4 +24,4 @@ public class CastToNormalizedStringOperation extends 
CastToStringOperation {
         returnTag = ValueTag.XS_NORMALIZED_STRING_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNotationOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNotationOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNotationOperation.java
index f49e862..4cc1025 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNotationOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToNotationOperation.java
@@ -22,7 +22,7 @@ import java.io.IOException;
 import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToNotationOperation extends AbstractCastToOperation {
 
@@ -38,4 +38,4 @@ public class CastToNotationOperation extends 
AbstractCastToOperation {
         dOut.write(stringp.getByteArray(), stringp.getStartOffset(), 
stringp.getLength());
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToPositiveIntegerOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToPositiveIntegerOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToPositiveIntegerOperation.java
index 93a06d6..050eb04 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToPositiveIntegerOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToPositiveIntegerOperation.java
@@ -25,4 +25,4 @@ public class CastToPositiveIntegerOperation extends 
CastToIntegerOperation {
         returnTag = ValueTag.XS_POSITIVE_INTEGER_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToQNameOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToQNameOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToQNameOperation.java
index da7e6d4..e400af7 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToQNameOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToQNameOperation.java
@@ -26,8 +26,8 @@ import 
org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 import org.apache.vxquery.runtime.functions.util.FunctionHelper;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastToQNameOperation extends AbstractCastToOperation {
     ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -69,4 +69,4 @@ public class CastToQNameOperation extends 
AbstractCastToOperation {
         dOut.write(abvsInner.getByteArray(), abvsInner.getStartOffset() + 
prefixLength, localNameLength);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToShortOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToShortOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToShortOperation.java
index ab7c310..5b63dec 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToShortOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToShortOperation.java
@@ -26,15 +26,15 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToShortOperation extends AbstractCastToOperation {
     boolean negativeAllowed = true;
@@ -188,4 +188,4 @@ public class CastToShortOperation extends 
AbstractCastToOperation {
         dOut.write(returnTag);
         dOut.writeShort(numericp.shortValue());
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToStringOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToStringOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToStringOperation.java
index 5f84682..1622aaa 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToStringOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToStringOperation.java
@@ -32,16 +32,16 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.util.FunctionHelper;
 
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
-import edu.uci.ics.hyracks.data.std.util.ByteArrayAccessibleOutputStream;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.util.ByteArrayAccessibleOutputStream;
 
 public class CastToStringOperation extends AbstractCastToOperation {
     private ByteArrayAccessibleOutputStream baaos = new 
ByteArrayAccessibleOutputStream();
@@ -692,4 +692,4 @@ public class CastToStringOperation extends 
AbstractCastToOperation {
         sendStringDataOutput(dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToTimeOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToTimeOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToTimeOperation.java
index 0f4015c..45c1888 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToTimeOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToTimeOperation.java
@@ -28,7 +28,7 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToTimeOperation extends AbstractCastToOperation {
 
@@ -123,4 +123,4 @@ public class CastToTimeOperation extends 
AbstractCastToOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToTokenOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToTokenOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToTokenOperation.java
index 3d6cf5e..bdd8e84 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToTokenOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToTokenOperation.java
@@ -24,4 +24,4 @@ public class CastToTokenOperation extends 
CastToStringOperation {
         returnTag = ValueTag.XS_TOKEN_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedByteOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedByteOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedByteOperation.java
index f6866d8..ca9b05b 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedByteOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedByteOperation.java
@@ -25,4 +25,4 @@ public class CastToUnsignedByteOperation extends 
CastToShortOperation {
         returnTag = ValueTag.XS_UNSIGNED_BYTE_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedIntOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedIntOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedIntOperation.java
index 84dbd1e..45dec6b 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedIntOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedIntOperation.java
@@ -25,4 +25,4 @@ public class CastToUnsignedIntOperation extends 
CastToLongOperation {
         returnTag = ValueTag.XS_UNSIGNED_INT_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedLongOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedLongOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedLongOperation.java
index ad513e9..646b8bc 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedLongOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedLongOperation.java
@@ -25,4 +25,4 @@ public class CastToUnsignedLongOperation extends 
CastToIntegerOperation {
         returnTag = ValueTag.XS_UNSIGNED_LONG_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedShortOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedShortOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedShortOperation.java
index e51d0d5..931b3d5 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedShortOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUnsignedShortOperation.java
@@ -25,4 +25,4 @@ public class CastToUnsignedShortOperation extends 
CastToIntOperation {
         returnTag = ValueTag.XS_UNSIGNED_SHORT_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUntypedAtomicOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUntypedAtomicOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUntypedAtomicOperation.java
index 8697596..17a3e1e 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUntypedAtomicOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToUntypedAtomicOperation.java
@@ -24,4 +24,4 @@ public class CastToUntypedAtomicOperation extends 
CastToStringOperation {
         returnTag = ValueTag.XS_UNTYPED_ATOMIC_TAG;
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToYMDurationOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToYMDurationOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToYMDurationOperation.java
index d1ed0a0..c4dce86 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToYMDurationOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToYMDurationOperation.java
@@ -26,9 +26,9 @@ import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
 import 
org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
 
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastToYMDurationOperation extends AbstractCastToOperation {
 
@@ -95,4 +95,4 @@ public class CastToYMDurationOperation extends 
AbstractCastToOperation {
         dOut.write(intp.getByteArray(), intp.getStartOffset(), 
intp.getLength());
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/AbstractCastableAsOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/AbstractCastableAsOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/AbstractCastableAsOperation.java
index 9332c25..2c042e7 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/AbstractCastableAsOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/AbstractCastableAsOperation.java
@@ -29,14 +29,14 @@ import 
org.apache.vxquery.datamodel.accessors.atomic.XSTimePointable;
 import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public abstract class AbstractCastableAsOperation {
     public void convertAnyURI(UTF8StringPointable stringp, DataOutput dOut) 
throws SystemException, IOException {

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsAnyURIOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsAnyURIOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsAnyURIOperation.java
index 1c17ad7..6ee2d7f 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsAnyURIOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsAnyURIOperation.java
@@ -22,7 +22,7 @@ import java.io.IOException;
 import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class CastableAsAnyURIOperation extends AbstractCastableAsOperation {
 
@@ -43,4 +43,4 @@ public class CastableAsAnyURIOperation extends 
AbstractCastableAsOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsBase64BinaryOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsBase64BinaryOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsBase64BinaryOperation.java
index 6c7d974..293fc81 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsBase64BinaryOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsBase64BinaryOperation.java
@@ -24,8 +24,8 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToBase64BinaryOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsBase64BinaryOperation extends 
AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -61,4 +61,4 @@ public class CastableAsBase64BinaryOperation extends 
AbstractCastableAsOperation
     public void convertUntypedAtomic(UTF8StringPointable stringp, DataOutput 
dOut) throws SystemException, IOException {
         convertString(stringp, dOut);
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsBooleanOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsBooleanOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsBooleanOperation.java
index 10ad2a0..33f4f96 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsBooleanOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsBooleanOperation.java
@@ -24,12 +24,12 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToBooleanOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsBooleanOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -82,4 +82,4 @@ public class CastableAsBooleanOperation extends 
AbstractCastableAsOperation {
     public void convertUntypedAtomic(UTF8StringPointable stringp, DataOutput 
dOut) throws SystemException, IOException {
         convertString(stringp, dOut);
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsByteOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsByteOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsByteOperation.java
index d3efe10..31bf45e 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsByteOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsByteOperation.java
@@ -24,13 +24,13 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToByteOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsByteOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -109,4 +109,4 @@ public class CastableAsByteOperation extends 
AbstractCastableAsOperation {
         dOut.write((byte) 1);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDTDurationOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDTDurationOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDTDurationOperation.java
index ec2e4c0..1e68cc5 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDTDurationOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDTDurationOperation.java
@@ -24,10 +24,10 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToDTDurationOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsDTDurationOperation extends AbstractCastableAsOperation 
{
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -70,4 +70,4 @@ public class CastableAsDTDurationOperation extends 
AbstractCastableAsOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDateOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDateOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDateOperation.java
index e54d436..822a073 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDateOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDateOperation.java
@@ -25,8 +25,8 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToDateOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsDateOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -62,4 +62,4 @@ public class CastableAsDateOperation extends 
AbstractCastableAsOperation {
     public void convertUntypedAtomic(UTF8StringPointable stringp, DataOutput 
dOut) throws SystemException, IOException {
         convertString(stringp, dOut);
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDateTimeOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDateTimeOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDateTimeOperation.java
index 5bdc333..ef731c3 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDateTimeOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDateTimeOperation.java
@@ -25,8 +25,8 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToDateTimeOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsDateTimeOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -63,4 +63,4 @@ public class CastableAsDateTimeOperation extends 
AbstractCastableAsOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDecimalOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDecimalOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDecimalOperation.java
index 96b10e5..7d32581 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDecimalOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDecimalOperation.java
@@ -24,12 +24,12 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToDecimalOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsDecimalOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -100,4 +100,4 @@ public class CastableAsDecimalOperation extends 
AbstractCastableAsOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDoubleOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDoubleOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDoubleOperation.java
index 22205df..1b3978e 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDoubleOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDoubleOperation.java
@@ -24,15 +24,15 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToDoubleOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsDoubleOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -149,4 +149,4 @@ public class CastableAsDoubleOperation extends 
AbstractCastableAsOperation {
         dOut.write(ValueTag.XS_BOOLEAN_TAG);
         dOut.write((byte) 1);
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDurationOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDurationOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDurationOperation.java
index 9f2cc38..01a9c4f 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDurationOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsDurationOperation.java
@@ -24,10 +24,10 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToDurationOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsDurationOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -70,4 +70,4 @@ public class CastableAsDurationOperation extends 
AbstractCastableAsOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsFloatOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsFloatOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsFloatOperation.java
index cd42c5f..7c2ecf9 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsFloatOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsFloatOperation.java
@@ -24,15 +24,15 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToFloatOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsFloatOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -149,4 +149,4 @@ public class CastableAsFloatOperation extends 
AbstractCastableAsOperation {
         dOut.write(ValueTag.XS_BOOLEAN_TAG);
         dOut.write((byte) 1);
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGDayOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGDayOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGDayOperation.java
index 98cfc32..c0d9ad1 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGDayOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGDayOperation.java
@@ -25,8 +25,8 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToGDayOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsGDayOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -69,4 +69,4 @@ public class CastableAsGDayOperation extends 
AbstractCastableAsOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGMonthDayOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGMonthDayOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGMonthDayOperation.java
index f2f837f..59d24e6 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGMonthDayOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGMonthDayOperation.java
@@ -25,8 +25,8 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToGMonthDayOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsGMonthDayOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -69,4 +69,4 @@ public class CastableAsGMonthDayOperation extends 
AbstractCastableAsOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGMonthOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGMonthOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGMonthOperation.java
index b1c9cb9..0584627 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGMonthOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGMonthOperation.java
@@ -25,8 +25,8 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToGMonthOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsGMonthOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -69,4 +69,4 @@ public class CastableAsGMonthOperation extends 
AbstractCastableAsOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGYearMonthOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGYearMonthOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGYearMonthOperation.java
index 4d9b17d..e012e65 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGYearMonthOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGYearMonthOperation.java
@@ -25,8 +25,8 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToGYearMonthOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsGYearMonthOperation extends AbstractCastableAsOperation 
{
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -70,4 +70,4 @@ public class CastableAsGYearMonthOperation extends 
AbstractCastableAsOperation {
         dOut.write((byte) 1);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGYearOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGYearOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGYearOperation.java
index 846ac07..c926ae6 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGYearOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsGYearOperation.java
@@ -25,8 +25,8 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToGYearOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsGYearOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -69,4 +69,4 @@ public class CastableAsGYearOperation extends 
AbstractCastableAsOperation {
         convertString(stringp, dOut);
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsHexBinaryOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsHexBinaryOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsHexBinaryOperation.java
index c177d53..99c7b77 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsHexBinaryOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsHexBinaryOperation.java
@@ -24,8 +24,8 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToHexBinaryOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsHexBinaryOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -61,4 +61,4 @@ public class CastableAsHexBinaryOperation extends 
AbstractCastableAsOperation {
     public void convertUntypedAtomic(UTF8StringPointable stringp, DataOutput 
dOut) throws SystemException, IOException {
         convertString(stringp, dOut);
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsIntOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsIntOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsIntOperation.java
index 168160c..0186508 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsIntOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsIntOperation.java
@@ -24,15 +24,15 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToIntOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsIntOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -130,4 +130,4 @@ public class CastableAsIntOperation extends 
AbstractCastableAsOperation {
         dOut.write(ValueTag.XS_BOOLEAN_TAG);
         dOut.write((byte) 1);
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsIntegerOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsIntegerOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsIntegerOperation.java
index b1707f2..7a31393 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsIntegerOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsIntegerOperation.java
@@ -24,15 +24,15 @@ import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.exceptions.SystemException;
 import org.apache.vxquery.runtime.functions.cast.CastToIntegerOperation;
 
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class CastableAsIntegerOperation extends AbstractCastableAsOperation {
     private ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
@@ -165,4 +165,4 @@ public class CastableAsIntegerOperation extends 
AbstractCastableAsOperation {
         dOut.write(ValueTag.XS_BOOLEAN_TAG);
         dOut.write((byte) 1);
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsLongOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsLongOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsLongOperation.java
index 894a5cc..31b123b 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsLongOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsLongOperation.java
@@ -18,4 +18,4 @@ package org.apache.vxquery.runtime.functions.castable;
 
 public class CastableAsLongOperation extends CastableAsIntegerOperation {
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNegativeIntegerOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNegativeIntegerOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNegativeIntegerOperation.java
index 994b17f..b3b7499 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNegativeIntegerOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNegativeIntegerOperation.java
@@ -18,4 +18,4 @@ package org.apache.vxquery.runtime.functions.castable;
 
 public class CastableAsNegativeIntegerOperation extends 
CastableAsIntegerOperation {
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNonNegativeIntegerOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNonNegativeIntegerOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNonNegativeIntegerOperation.java
index c066a99..0002946 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNonNegativeIntegerOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNonNegativeIntegerOperation.java
@@ -18,4 +18,4 @@ package org.apache.vxquery.runtime.functions.castable;
 
 public class CastableAsNonNegativeIntegerOperation extends 
CastableAsIntegerOperation {
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNonPositiveIntegerOperation.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNonPositiveIntegerOperation.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNonPositiveIntegerOperation.java
index ab6ebd8..100d11e 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNonPositiveIntegerOperation.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/castable/CastableAsNonPositiveIntegerOperation.java
@@ -18,4 +18,4 @@ package org.apache.vxquery.runtime.functions.castable;
 
 public class CastableAsNonPositiveIntegerOperation extends 
CastableAsIntegerOperation {
 
-}
\ No newline at end of file
+}

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