http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/SequencePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/SequencePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/SequencePointable.java
index 1c81b48..0aa66f7 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/SequencePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/SequencePointable.java
@@ -16,12 +16,12 @@
  */
 package org.apache.vxquery.datamodel.accessors;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 public class SequencePointable extends AbstractPointable {
     private static final int ENTRY_COUNT_SIZE = 4;
@@ -77,4 +77,4 @@ public class SequencePointable extends AbstractPointable {
     private static int getDataAreaOffset(byte[] bytes, int start) {
         return getSlotArrayOffset(start) + getEntryCount(bytes, start) * 
SLOT_SIZE;
     }
-}
\ 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/datamodel/accessors/TaggedValuePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/TaggedValuePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/TaggedValuePointable.java
index 5760fc1..ac40491 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/TaggedValuePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/TaggedValuePointable.java
@@ -16,12 +16,12 @@
  */
 package org.apache.vxquery.datamodel.accessors;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 public class TaggedValuePointable extends AbstractPointable {
     public static final IPointableFactory FACTORY = new IPointableFactory() {
@@ -45,4 +45,4 @@ public class TaggedValuePointable extends AbstractPointable {
     public void getValue(IPointable value) {
         value.set(bytes, start + 1, length - 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/datamodel/accessors/TypedPointables.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/TypedPointables.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/TypedPointables.java
index d303dfe..32eed34 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/TypedPointables.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/TypedPointables.java
@@ -30,14 +30,14 @@ import 
org.apache.vxquery.datamodel.accessors.nodes.NodeTreePointable;
 import org.apache.vxquery.datamodel.accessors.nodes.PINodePointable;
 import org.apache.vxquery.datamodel.accessors.nodes.TextOrCommentNodePointable;
 
-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;
 
 /**
  * One pointable for each type.

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/CodedQNamePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/CodedQNamePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/CodedQNamePointable.java
index 83a3d3b..7c3d390 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/CodedQNamePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/CodedQNamePointable.java
@@ -16,11 +16,11 @@
  */
 package org.apache.vxquery.datamodel.accessors.atomic;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
 
 public class CodedQNamePointable extends AbstractPointable {
     public static final int SIZE = 12;
@@ -68,4 +68,4 @@ public class CodedQNamePointable extends AbstractPointable {
     public int getLocalCode() {
         return IntegerPointable.getInteger(bytes, start + OFF_LOCAL);
     }
-}
\ 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/datamodel/accessors/atomic/XSBinaryPointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSBinaryPointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSBinaryPointable.java
index ccd9936..36af614 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSBinaryPointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSBinaryPointable.java
@@ -16,10 +16,10 @@
  */
 package org.apache.vxquery.datamodel.accessors.atomic;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public class XSBinaryPointable extends AbstractPointable {
     public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() {

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDatePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDatePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDatePointable.java
index e7aaf8a..d728927 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDatePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDatePointable.java
@@ -19,12 +19,12 @@ package org.apache.vxquery.datamodel.accessors.atomic;
 import org.apache.vxquery.datamodel.api.IDate;
 import org.apache.vxquery.datamodel.api.ITimezone;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
 
 /**
  * The date is split up into five sections. Due to leap year, we have decided 
to keep the
@@ -156,4 +156,4 @@ public class XSDatePointable extends AbstractPointable 
implements IDate, ITimezo
         return getDay(bytes, start) * CHRONON_OF_DAY;
     }
 
-}
\ 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/datamodel/accessors/atomic/XSDateTimePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDateTimePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDateTimePointable.java
index a40dc01..5691d73 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDateTimePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDateTimePointable.java
@@ -24,13 +24,13 @@ import org.apache.vxquery.datamodel.api.ITime;
 import org.apache.vxquery.datamodel.api.ITimezone;
 import org.apache.vxquery.datamodel.util.DateTime;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
 
 /**
  * The datetime is split up into eight sections. Due to leap year, we have 
decided to keep the
@@ -245,4 +245,4 @@ public class XSDateTimePointable extends AbstractPointable 
implements IDate, ITi
                         + getTimezoneHour(bytes, start) + ":" + 
getTimezoneMinute(bytes, start) : "");
     }
 
-}
\ 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/datamodel/accessors/atomic/XSDecimalPointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDecimalPointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDecimalPointable.java
index f60d9bd..1559b06 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDecimalPointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDecimalPointable.java
@@ -16,15 +16,15 @@
  */
 package org.apache.vxquery.datamodel.accessors.atomic;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
 
 public class XSDecimalPointable extends AbstractPointable implements 
IHashable, IComparable, INumeric {
     private final static int DECIMAL_PLACE_OFFSET = 0;
@@ -200,4 +200,4 @@ public class XSDecimalPointable extends AbstractPointable 
implements IHashable,
         return ((double) getDecimalValue()) / Math.pow(10, getDecimalPlace());
     }
 
-}
\ 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/datamodel/accessors/atomic/XSDurationPointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDurationPointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDurationPointable.java
index 0a9bd1f..e997349 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDurationPointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSDurationPointable.java
@@ -16,12 +16,12 @@
  */
 package org.apache.vxquery.datamodel.accessors.atomic;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
 
 public class XSDurationPointable extends AbstractPointable {
     private final static int YEAR_MONTH_OFFSET = 0;
@@ -86,4 +86,4 @@ public class XSDurationPointable extends AbstractPointable {
     public void setDayTime(long value) {
         setDayTime(bytes, start, 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/datamodel/accessors/atomic/XSQNamePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSQNamePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSQNamePointable.java
index f35c067..f8e63b6 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSQNamePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSQNamePointable.java
@@ -16,11 +16,11 @@
  */
 package org.apache.vxquery.datamodel.accessors.atomic;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 /**
  * The XSQNamePointable holds three strings: URI, Prefix and Local Name.

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSTimePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSTimePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSTimePointable.java
index 2919bc0..62eedde 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSTimePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSTimePointable.java
@@ -19,12 +19,12 @@ package org.apache.vxquery.datamodel.accessors.atomic;
 import org.apache.vxquery.datamodel.api.ITime;
 import org.apache.vxquery.datamodel.api.ITimezone;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
 
 /**
  * The time is split up into five sections. Due to leap year, we have decided 
to keep the
@@ -153,4 +153,4 @@ public class XSTimePointable extends AbstractPointable 
implements ITime, ITimezo
         return 0;
     }
 
-}
\ 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/datamodel/accessors/nodes/AbstractNodePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/AbstractNodePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/AbstractNodePointable.java
index b5ced2c..7601688 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/AbstractNodePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/AbstractNodePointable.java
@@ -17,8 +17,8 @@
 
 package org.apache.vxquery.datamodel.accessors.nodes;
 
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
 
 public abstract class AbstractNodePointable extends AbstractPointable {
     public int getLocalNodeId(NodeTreePointable nodeTree) {

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/AttributeNodePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/AttributeNodePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/AttributeNodePointable.java
index 030222b..fd4cfc6 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/AttributeNodePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/AttributeNodePointable.java
@@ -18,10 +18,10 @@ package org.apache.vxquery.datamodel.accessors.nodes;
 
 import org.apache.vxquery.datamodel.accessors.atomic.CodedQNamePointable;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 /*
  * Attribute {
@@ -100,4 +100,4 @@ public class AttributeNodePointable extends 
AbstractNodePointable {
     private int getValueSize(NodeTreePointable nodeTree) {
         return length - (getValueOffset(nodeTree) - start);
     }
-}
\ 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/datamodel/accessors/nodes/DocumentNodePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/DocumentNodePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/DocumentNodePointable.java
index d2dc5d0..95dc404 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/DocumentNodePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/DocumentNodePointable.java
@@ -18,10 +18,10 @@ package org.apache.vxquery.datamodel.accessors.nodes;
 
 import org.apache.vxquery.datamodel.accessors.SequencePointable;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 /*
  * Document {
@@ -64,4 +64,4 @@ public class DocumentNodePointable extends 
AbstractNodePointable {
     private int getContentSize(NodeTreePointable nodeTree) {
         return length - (getContentOffset(nodeTree) - start);
     }
-}
\ 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/datamodel/accessors/nodes/ElementNodePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/ElementNodePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/ElementNodePointable.java
index faadd33..4367d91 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/ElementNodePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/ElementNodePointable.java
@@ -19,12 +19,12 @@ package org.apache.vxquery.datamodel.accessors.nodes;
 import org.apache.vxquery.datamodel.accessors.SequencePointable;
 import org.apache.vxquery.datamodel.accessors.atomic.CodedQNamePointable;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 /*
  * Element {
@@ -201,4 +201,4 @@ public class ElementNodePointable extends 
AbstractNodePointable {
     private int getChildrenChunkSize(NodeTreePointable nodeTree) {
         return childrenChunkExists() ? 
SequencePointable.getSequenceLength(bytes, getChildrenChunkOffset(nodeTree)) : 
0;
     }
-}
\ 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/datamodel/accessors/nodes/NodeTreePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/NodeTreePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/NodeTreePointable.java
index 4b0697f..db03e28 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/NodeTreePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/NodeTreePointable.java
@@ -18,16 +18,16 @@ package org.apache.vxquery.datamodel.accessors.nodes;
 
 import org.apache.vxquery.datamodel.accessors.TaggedValuePointable;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.algorithms.BinarySearchAlgorithm;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.collections.api.IValueReferenceVector;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.algorithms.BinarySearchAlgorithm;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.collections.api.IValueReferenceVector;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 /*
  * NodeTree {
@@ -204,4 +204,4 @@ public class NodeTreePointable extends AbstractPointable {
     private int getRootNodeOffset() {
         return getDictionaryOffset() + getDictionarySize();
     }
-}
\ 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/datamodel/accessors/nodes/PINodePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/PINodePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/PINodePointable.java
index 2318ba6..3ae5126 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/PINodePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/PINodePointable.java
@@ -16,11 +16,11 @@
  */
 package org.apache.vxquery.datamodel.accessors.nodes;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 /*
  * PI {
@@ -76,4 +76,4 @@ public class PINodePointable extends AbstractNodePointable {
     private int getContentSize(NodeTreePointable nodeTree) {
         return UTF8StringPointable.getUTFLength(bytes, 
getContentOffset(nodeTree)) + 2;
     }
-}
\ 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/datamodel/accessors/nodes/TextOrCommentNodePointable.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/TextOrCommentNodePointable.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/TextOrCommentNodePointable.java
index 2ab2555..cea7c02 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/TextOrCommentNodePointable.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/nodes/TextOrCommentNodePointable.java
@@ -16,10 +16,10 @@
  */
 package org.apache.vxquery.datamodel.accessors.nodes;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 /*
  * Text | Comment {
@@ -63,4 +63,4 @@ public class TextOrCommentNodePointable extends 
AbstractNodePointable {
         return length - (getValueOffset(nodeTree) - start);
     }
 
-}
\ 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/datamodel/builders/atomic/StringValueBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/atomic/StringValueBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/atomic/StringValueBuilder.java
index ad59a5c..215d1b1 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/atomic/StringValueBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/atomic/StringValueBuilder.java
@@ -19,7 +19,7 @@ package org.apache.vxquery.datamodel.builders.atomic;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringWriter;
+import org.apache.hyracks.data.std.primitive.UTF8StringWriter;
 
 public class StringValueBuilder {
     private final UTF8StringWriter writer;
@@ -31,4 +31,4 @@ public class StringValueBuilder {
     public void write(CharSequence string, DataOutput out) throws IOException {
         writer.writeUTF8String(string, out);
     }
-}
\ 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/datamodel/builders/atomic/UTF8StringBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/atomic/UTF8StringBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/atomic/UTF8StringBuilder.java
index f1961ff..51c026b 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/atomic/UTF8StringBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/atomic/UTF8StringBuilder.java
@@ -23,8 +23,8 @@ import java.io.UTFDataFormatException;
 import org.apache.vxquery.datamodel.builders.base.AbstractBuilder;
 import org.apache.vxquery.runtime.functions.util.FunctionHelper;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.primitive.BytePointable;
 
 public class UTF8StringBuilder extends AbstractBuilder {
     private IMutableValueStorage mvs;
@@ -51,4 +51,4 @@ public class UTF8StringBuilder extends AbstractBuilder {
             throw new UTFDataFormatException("encoded string too long: " + 
mvs.getLength() + " bytes");
         }
     }
-}
\ 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/datamodel/builders/base/AbstractBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/AbstractBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/AbstractBuilder.java
index 4ba9a14..bacad26 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/AbstractBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/AbstractBuilder.java
@@ -18,10 +18,10 @@ package org.apache.vxquery.datamodel.builders.base;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
 
 public abstract class AbstractBuilder {
     public abstract void reset(IMutableValueStorage mvs) throws IOException;
 
     public abstract void finish() throws IOException;
-}
\ 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/datamodel/builders/base/AbstractValueBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/AbstractValueBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/AbstractValueBuilder.java
index 15eea32..abe8eb1 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/AbstractValueBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/AbstractValueBuilder.java
@@ -17,4 +17,4 @@
 package org.apache.vxquery.datamodel.builders.base;
 
 public abstract class AbstractValueBuilder implements IValueBuilder {
-}
\ 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/datamodel/builders/base/IValueBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/IValueBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/IValueBuilder.java
index a83b6b1..fc38cda 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/IValueBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/base/IValueBuilder.java
@@ -22,4 +22,4 @@ public interface IValueBuilder {
     public void reset();
 
     public void write(DataOutput out);
-}
\ 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/datamodel/builders/nodes/AbstractNodeBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/AbstractNodeBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/AbstractNodeBuilder.java
index 1c5c7a5..955668f 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/AbstractNodeBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/AbstractNodeBuilder.java
@@ -18,10 +18,10 @@ package org.apache.vxquery.datamodel.builders.nodes;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
 
 public abstract class AbstractNodeBuilder {
     public abstract void reset(IMutableValueStorage mvs) throws IOException;
 
     public abstract void finish() throws IOException;
-}
\ 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/datamodel/builders/nodes/AttributeNodeBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/AttributeNodeBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/AttributeNodeBuilder.java
index cea7799..7743cd8 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/AttributeNodeBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/AttributeNodeBuilder.java
@@ -21,8 +21,8 @@ import java.io.IOException;
 
 import org.apache.vxquery.datamodel.values.ValueTag;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
-import edu.uci.ics.hyracks.data.std.api.IValueReference;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.api.IValueReference;
 
 public class AttributeNodeBuilder extends AbstractNodeBuilder {
     private DataOutput out;
@@ -56,4 +56,4 @@ public class AttributeNodeBuilder extends AbstractNodeBuilder 
{
     public void setValue(IValueReference value) throws IOException {
         out.write(value.getByteArray(), value.getStartOffset(), 
value.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/datamodel/builders/nodes/CommentNodeBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/CommentNodeBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/CommentNodeBuilder.java
index 104868f..d79bb88 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/CommentNodeBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/CommentNodeBuilder.java
@@ -21,8 +21,8 @@ import java.io.IOException;
 
 import org.apache.vxquery.datamodel.values.ValueTag;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
-import edu.uci.ics.hyracks.data.std.api.IValueReference;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.api.IValueReference;
 
 public class CommentNodeBuilder extends AbstractNodeBuilder {
     private DataOutput out;
@@ -44,4 +44,4 @@ public class CommentNodeBuilder extends AbstractNodeBuilder {
     public void setValue(IValueReference value) throws IOException {
         out.write(value.getByteArray(), value.getStartOffset(), 
value.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/datamodel/builders/nodes/DictionaryBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/DictionaryBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/DictionaryBuilder.java
index bee221d..dae149f 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/DictionaryBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/DictionaryBuilder.java
@@ -24,12 +24,12 @@ import java.util.TreeMap;
 
 import org.apache.vxquery.util.GrowableIntArray;
 
-import edu.uci.ics.hyracks.data.std.algorithms.BinarySearchAlgorithm;
-import edu.uci.ics.hyracks.data.std.collections.api.IValueReferenceVector;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-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.algorithms.BinarySearchAlgorithm;
+import org.apache.hyracks.data.std.collections.api.IValueReferenceVector;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+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 DictionaryBuilder {
     private final GrowableIntArray stringEndOffsets;
@@ -158,4 +158,4 @@ public class DictionaryBuilder {
         cacheReady = false;
         return slotIndex;
     }
-}
\ 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/datamodel/builders/nodes/DocumentNodeBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/DocumentNodeBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/DocumentNodeBuilder.java
index 176580e..47c811c 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/DocumentNodeBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/DocumentNodeBuilder.java
@@ -22,8 +22,8 @@ import java.io.IOException;
 import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.util.GrowableIntArray;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class DocumentNodeBuilder extends AbstractNodeBuilder {
     private final GrowableIntArray childrenSlots;
@@ -79,4 +79,4 @@ public class DocumentNodeBuilder extends AbstractNodeBuilder {
             out.write(childrenDataArea.getByteArray(), 
childrenDataArea.getStartOffset(), childrenDataArea.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/datamodel/builders/nodes/ElementNodeBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/ElementNodeBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/ElementNodeBuilder.java
index d455fd5..89aaddc 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/ElementNodeBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/ElementNodeBuilder.java
@@ -23,11 +23,11 @@ import 
org.apache.vxquery.datamodel.accessors.nodes.ElementNodePointable;
 import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.util.GrowableIntArray;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
-import edu.uci.ics.hyracks.data.std.api.IValueReference;
-import edu.uci.ics.hyracks.data.std.primitive.BytePointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.api.IValueReference;
+import org.apache.hyracks.data.std.primitive.BytePointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class ElementNodeBuilder extends AbstractNodeBuilder {
     private final GrowableIntArray attrSlots;
@@ -176,4 +176,4 @@ public class ElementNodeBuilder extends AbstractNodeBuilder 
{
             out.write(childrenDataArea.getByteArray(), 
childrenDataArea.getStartOffset(), childrenDataArea.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/datamodel/builders/nodes/NodeSubTreeBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/NodeSubTreeBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/NodeSubTreeBuilder.java
index c890f3b..5eb08df 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/NodeSubTreeBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/NodeSubTreeBuilder.java
@@ -23,7 +23,7 @@ import 
org.apache.vxquery.datamodel.accessors.TaggedValuePointable;
 import org.apache.vxquery.datamodel.accessors.nodes.NodeTreePointable;
 import org.apache.vxquery.datamodel.values.ValueTag;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
 
 public class NodeSubTreeBuilder extends AbstractNodeBuilder {
     private DataOutput mainOut;
@@ -67,4 +67,4 @@ public class NodeSubTreeBuilder extends AbstractNodeBuilder {
     }
 
 
-}
\ 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/datamodel/builders/nodes/PINodeBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/PINodeBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/PINodeBuilder.java
index a472143..ee37511 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/PINodeBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/PINodeBuilder.java
@@ -21,8 +21,8 @@ import java.io.IOException;
 
 import org.apache.vxquery.datamodel.values.ValueTag;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
-import edu.uci.ics.hyracks.data.std.api.IValueReference;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.api.IValueReference;
 
 public class PINodeBuilder extends AbstractNodeBuilder {
     private DataOutput out;
@@ -48,4 +48,4 @@ public class PINodeBuilder extends AbstractNodeBuilder {
     public void setContent(IValueReference value) throws IOException {
         out.write(value.getByteArray(), value.getStartOffset(), 
value.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/datamodel/builders/nodes/TextNodeBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/TextNodeBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/TextNodeBuilder.java
index acddb8b..84ee20e 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/TextNodeBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/nodes/TextNodeBuilder.java
@@ -21,8 +21,8 @@ import java.io.IOException;
 
 import org.apache.vxquery.datamodel.values.ValueTag;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
-import edu.uci.ics.hyracks.data.std.api.IValueReference;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.api.IValueReference;
 
 public class TextNodeBuilder extends AbstractNodeBuilder {
     private DataOutput out;
@@ -44,4 +44,4 @@ public class TextNodeBuilder extends AbstractNodeBuilder {
     public void setValue(IValueReference value) throws IOException {
         out.write(value.getByteArray(), value.getStartOffset(), 
value.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/datamodel/builders/sequence/SequenceBuilder.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/sequence/SequenceBuilder.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/sequence/SequenceBuilder.java
index 96d6c3d..12f4ad7 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/sequence/SequenceBuilder.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/builders/sequence/SequenceBuilder.java
@@ -22,9 +22,9 @@ import java.io.IOException;
 import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.util.GrowableIntArray;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
-import edu.uci.ics.hyracks.data.std.api.IValueReference;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.api.IValueReference;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class SequenceBuilder {
     private final GrowableIntArray slots = new GrowableIntArray();
@@ -62,4 +62,4 @@ public class SequenceBuilder {
             out.write(dataArea.getByteArray(), dataArea.getStartOffset(), 
dataArea.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/datamodel/values/ValueTag.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/values/ValueTag.java 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/values/ValueTag.java
index c30c77b..e2c89e9 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/values/ValueTag.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/values/ValueTag.java
@@ -100,4 +100,4 @@ public class ValueTag {
                 return false;
         }
     }
-}
\ 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/datamodel/values/XDMConstants.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/values/XDMConstants.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/values/XDMConstants.java
index 8f1d7b3..bc058c7 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/datamodel/values/XDMConstants.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/datamodel/values/XDMConstants.java
@@ -21,9 +21,9 @@ import java.util.Arrays;
 
 import org.apache.vxquery.datamodel.builders.sequence.SequenceBuilder;
 
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public class XDMConstants {
     private static final byte[] BOOLEAN_TRUE_CONSTANT;
@@ -81,4 +81,4 @@ public class XDMConstants {
 
     private XDMConstants() {
     }
-}
\ 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/exceptions/DefaultSystemExceptionFactory.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/DefaultSystemExceptionFactory.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/DefaultSystemExceptionFactory.java
index 3c0e143..6dfd040 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/DefaultSystemExceptionFactory.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/DefaultSystemExceptionFactory.java
@@ -38,4 +38,4 @@ public final class DefaultSystemExceptionFactory implements 
SystemExceptionFacto
     public SystemException createException(ErrorCode code, SourceLocation 
location) {
         return new SystemException(code, location);
     }
-}
\ 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/exceptions/ErrorReporter.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/ErrorReporter.java 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/ErrorReporter.java
index d271095..8a1cdb0 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/ErrorReporter.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/ErrorReporter.java
@@ -18,4 +18,4 @@ package org.apache.vxquery.exceptions;
 
 public interface ErrorReporter {
     public void reportError(Exception e);
-}
\ 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/exceptions/SystemException.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/SystemException.java 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/SystemException.java
index 697d76c..39b12b9 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/SystemException.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/SystemException.java
@@ -65,4 +65,4 @@ public class SystemException extends Exception {
     public ErrorCode getCode() {
         return code;
     }
-}
\ 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/exceptions/SystemExceptionFactory.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/SystemExceptionFactory.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/SystemExceptionFactory.java
index d26f5af..15dcc61 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/SystemExceptionFactory.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/SystemExceptionFactory.java
@@ -24,4 +24,4 @@ public interface SystemExceptionFactory {
     public SystemException createException(ErrorCode eCode);
 
     public SystemException createException(ErrorCode eCode, SourceLocation 
location);
-}
\ 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/exceptions/VXQueryDataException.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/VXQueryDataException.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/VXQueryDataException.java
index 79a37af..e41872c 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/VXQueryDataException.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/VXQueryDataException.java
@@ -18,7 +18,7 @@ package org.apache.vxquery.exceptions;
 
 import java.io.File;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class VXQueryDataException extends HyracksDataException {
 

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/WarningReporter.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/WarningReporter.java 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/WarningReporter.java
index 419b6ed..0e7da5d 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/exceptions/WarningReporter.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/exceptions/WarningReporter.java
@@ -18,4 +18,4 @@ package org.apache.vxquery.exceptions;
 
 public interface WarningReporter {
     public void reportWarning(Exception e);
-}
\ 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/functions/BuiltinFunction.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/functions/BuiltinFunction.java 
b/vxquery-core/src/main/java/org/apache/vxquery/functions/BuiltinFunction.java
index c85be26..1b002be 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/functions/BuiltinFunction.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/functions/BuiltinFunction.java
@@ -34,4 +34,4 @@ public class BuiltinFunction extends Function {
     public boolean useContextImplicitly() {
         return implicitContext;
     }
-}
\ 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/functions/ExternalFunction.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/functions/ExternalFunction.java 
b/vxquery-core/src/main/java/org/apache/vxquery/functions/ExternalFunction.java
index 9d0891d..e80826d 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/functions/ExternalFunction.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/functions/ExternalFunction.java
@@ -32,4 +32,4 @@ public class ExternalFunction extends Function {
     public boolean useContextImplicitly() {
         return false;
     }
-}
\ 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/functions/Function.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/functions/Function.java 
b/vxquery-core/src/main/java/org/apache/vxquery/functions/Function.java
index c725743..1305536 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/functions/Function.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/functions/Function.java
@@ -26,11 +26,11 @@ import 
org.apache.vxquery.compiler.rewriter.rules.propagationpolicies.uniquenode
 import org.apache.vxquery.exceptions.ErrorCode;
 import org.apache.vxquery.exceptions.SystemException;
 
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
 
 public abstract class Function implements IFunctionInfo {
     private static final String VXQUERY = "vxquery";

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/functions/Operator.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/functions/Operator.java 
b/vxquery-core/src/main/java/org/apache/vxquery/functions/Operator.java
index 1819129..ddce15c 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/functions/Operator.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/functions/Operator.java
@@ -32,4 +32,4 @@ public class Operator extends Function {
     public boolean useContextImplicitly() {
         return false;
     }
-}
\ 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/functions/Signature.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/functions/Signature.java 
b/vxquery-core/src/main/java/org/apache/vxquery/functions/Signature.java
index 609e005..8604212 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/functions/Signature.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/functions/Signature.java
@@ -71,4 +71,4 @@ public final class Signature {
 
     public void serialize(StringBuffer buffer) {
     }
-}
\ 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/functions/UserDefinedXQueryFunction.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/functions/UserDefinedXQueryFunction.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/functions/UserDefinedXQueryFunction.java
index 63b8c12..6d00845 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/functions/UserDefinedXQueryFunction.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/functions/UserDefinedXQueryFunction.java
@@ -18,7 +18,7 @@ import javax.xml.namespace.QName;
 
 import org.apache.vxquery.context.XQueryVariable;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
 
 public class UserDefinedXQueryFunction extends Function {
     private XQueryVariable[] params;
@@ -54,4 +54,4 @@ public class UserDefinedXQueryFunction extends Function {
     public boolean useContextImplicitly() {
         return false;
     }
-}
\ 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/metadata/QueryResultDataSink.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/QueryResultDataSink.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/QueryResultDataSink.java
index 9fc639f..8286d1b 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/QueryResultDataSink.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/QueryResultDataSink.java
@@ -16,11 +16,11 @@
  */
 package org.apache.vxquery.metadata;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSink;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FileSplitDomain;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSink;
+import org.apache.hyracks.algebricks.core.algebra.properties.FileSplitDomain;
+import 
org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import 
org.apache.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
 
 public class QueryResultDataSink implements IDataSink {
     private final FileSplit[] fileSplits;
@@ -49,4 +49,4 @@ public class QueryResultDataSink implements IDataSink {
     public FileSplit[] getFileSplits() {
         return fileSplits;
     }
-}
\ 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/metadata/QueryResultSetDataSink.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/QueryResultSetDataSink.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/QueryResultSetDataSink.java
index 1e4e781..80166e7 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/QueryResultSetDataSink.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/QueryResultSetDataSink.java
@@ -16,11 +16,11 @@
  */
 package org.apache.vxquery.metadata;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSink;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ResultSetDomain;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSink;
+import 
org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import 
org.apache.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.ResultSetDomain;
+import org.apache.hyracks.api.dataset.ResultSetId;
 
 public class QueryResultSetDataSink implements IDataSink {
 
@@ -46,4 +46,4 @@ public class QueryResultSetDataSink implements IDataSink {
     public IPartitioningProperty getPartitioningProperty() {
         return new RandomPartitioningProperty(new ResultSetDomain());
     }
-}
\ 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/metadata/VXQueryCollectionDataSource.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryCollectionDataSource.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryCollectionDataSource.java
index d17a1a9..62d1ca7 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryCollectionDataSource.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryCollectionDataSource.java
@@ -21,14 +21,14 @@ import java.util.List;
 
 import org.apache.vxquery.compiler.rewriter.rules.CollectionFileDomain;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourcePropertiesProvider;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import 
org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourcePropertiesProvider;
+import 
org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import 
org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import 
org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import 
org.apache.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
+import 
org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
 
 public class VXQueryCollectionDataSource implements IDataSource<String> {
     private static final String DELIMITER = "\\|";

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryCollectionOperatorDescriptor.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryCollectionOperatorDescriptor.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryCollectionOperatorDescriptor.java
index 8fdd1ec..d5966b8 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryCollectionOperatorDescriptor.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryCollectionOperatorDescriptor.java
@@ -25,23 +25,24 @@ import java.util.logging.Logger;
 
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.filefilter.TrueFileFilter;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameFieldAppender;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.comm.io.FrameFixedFieldTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import 
org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import 
org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
 import org.apache.vxquery.context.DynamicContext;
 import org.apache.vxquery.xmlparser.ITreeNodeIdProvider;
 import org.apache.vxquery.xmlparser.TreeNodeIdProvider;
 import org.apache.vxquery.xmlparser.XMLParser;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import 
edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import 
edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-
 public class VXQueryCollectionOperatorDescriptor extends 
AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
     private short dataSourceId;
@@ -63,18 +64,18 @@ public class VXQueryCollectionOperatorDescriptor extends 
AbstractSingleActivityO
     @Override
     public IOperatorNodePushable createPushRuntime(IHyracksTaskContext ctx,
             IRecordDescriptorProvider recordDescProvider, int partition, int 
nPartitions) throws HyracksDataException {
-        final FrameTupleAccessor fta = new 
FrameTupleAccessor(ctx.getFrameSize(),
+        final FrameTupleAccessor fta = new FrameTupleAccessor(
                 recordDescProvider.getInputRecordDescriptor(getActivityId(), 
0));
         final int fieldOutputCount = 
recordDescProvider.getOutputRecordDescriptor(getActivityId(), 
0).getFieldCount();
-        final ByteBuffer frame = ctx.allocateFrame();
-        final FrameTupleAppender appender = new 
FrameTupleAppender(ctx.getFrameSize(), fieldOutputCount);
+        final IFrame frame = new VSizeFrame(ctx);
+        final IFrameFieldAppender appender = new 
FrameFixedFieldTupleAppender(fieldOutputCount);
         final short partitionId = (short) 
ctx.getTaskAttemptId().getTaskId().getPartition();
         final ITreeNodeIdProvider nodeIdProvider = new 
TreeNodeIdProvider(partitionId, dataSourceId, totalDataSources);
         final String nodeId = 
ctx.getJobletContext().getApplicationContext().getNodeId();
         final DynamicContext dCtx = (DynamicContext) 
ctx.getJobletContext().getGlobalJobData();
 
         final String collectionName = collectionPartitions[partition % 
collectionPartitions.length];
-        final XMLParser parser = new XMLParser(false, nodeIdProvider, nodeId, 
frame, appender, childSeq,
+        final XMLParser parser = new XMLParser(false, nodeIdProvider, nodeId, 
appender, childSeq,
                 dCtx.getStaticContext());
 
         return new AbstractUnaryInputUnaryOutputOperatorNodePushable() {
@@ -101,7 +102,7 @@ public class VXQueryCollectionOperatorDescriptor extends 
AbstractSingleActivityO
                             if (LOGGER.isLoggable(Level.FINE)) {
                                 LOGGER.fine("Starting to read XML document: " 
+ xmlDocument.getAbsolutePath());
                             }
-                            parser.parseElements(xmlDocument, writer, fta, 
tupleIndex);
+                            parser.parseElements(xmlDocument, writer, 
tupleIndex);
                         }
                     }
                 } else {
@@ -118,12 +119,11 @@ public class VXQueryCollectionOperatorDescriptor extends 
AbstractSingleActivityO
             @Override
             public void close() throws HyracksDataException {
                 // Check if needed?
-                fta.reset(frame);
-                if (fta.getTupleCount() > 0) {
-                    FrameUtils.flushFrame(frame, writer);
+                if (appender.getTupleCount() > 0) {
+                    appender.flush(writer, true);
                 }
                 writer.close();
             }
         };
     }
-}
\ 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/metadata/VXQueryIOFileFilter.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryIOFileFilter.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryIOFileFilter.java
index 104f254..70070dc 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryIOFileFilter.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryIOFileFilter.java
@@ -34,4 +34,4 @@ public class VXQueryIOFileFilter implements IOFileFilter {
         }
         return false;
     }
-}
\ 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/metadata/VXQueryMetadataProvider.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryMetadataProvider.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryMetadataProvider.java
index ea4bdb1..238f6d3 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryMetadataProvider.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/metadata/VXQueryMetadataProvider.java
@@ -24,34 +24,34 @@ import java.util.Map;
 
 import org.apache.vxquery.context.StaticContext;
 
-import 
edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
-import 
edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSink;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import 
edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.data.IAWriterFactory;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.data.IResultSerializerFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import 
edu.uci.ics.hyracks.algebricks.runtime.serializer.ResultSerializerFactoryProvider;
-import 
edu.uci.ics.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import 
org.apache.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
+import 
org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import 
org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSink;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import 
org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.data.IAWriterFactory;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.data.IResultSerializerFactoryProvider;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import 
org.apache.hyracks.algebricks.runtime.serializer.ResultSerializerFactoryProvider;
+import org.apache.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IResultSerializerFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
 
 public class VXQueryMetadataProvider implements IMetadataProvider<String, 
String> {
     private final String[] nodeList;
@@ -229,4 +229,4 @@ public class VXQueryMetadataProvider implements 
IMetadataProvider<String, String
         throw new UnsupportedOperationException();
     }
 
-}
\ 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/result/ResultUtils.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/result/ResultUtils.java 
b/vxquery-core/src/main/java/org/apache/vxquery/result/ResultUtils.java
index 923706e..ae7f5a1 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/result/ResultUtils.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/result/ResultUtils.java
@@ -17,9 +17,9 @@ package org.apache.vxquery.result;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
 
 public class ResultUtils {
     public static String getStringFromBuffer(ByteBuffer buffer, 
IFrameTupleAccessor fta) throws HyracksDataException {

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/factory/hashfunction/VXQueryRawBinaryHashFunctionFactory.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/factory/hashfunction/VXQueryRawBinaryHashFunctionFactory.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/factory/hashfunction/VXQueryRawBinaryHashFunctionFactory.java
index 4f9437b..5ec14ee 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/factory/hashfunction/VXQueryRawBinaryHashFunctionFactory.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/factory/hashfunction/VXQueryRawBinaryHashFunctionFactory.java
@@ -16,9 +16,9 @@
  */
 package org.apache.vxquery.runtime.factory.hashfunction;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunction;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import 
edu.uci.ics.hyracks.data.std.accessors.MurmurHash3BinaryHashFunctionFamily;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunction;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import 
org.apache.hyracks.data.std.accessors.MurmurHash3BinaryHashFunctionFamily;
 
 public class VXQueryRawBinaryHashFunctionFactory implements 
IBinaryHashFunctionFactory {
     private static final long serialVersionUID = 1L;

http://git-wip-us.apache.org/repos/asf/vxquery/blob/4684567b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/aggregate/AbstractMaxMinAggregateEvaluatorFactory.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/aggregate/AbstractMaxMinAggregateEvaluatorFactory.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/aggregate/AbstractMaxMinAggregateEvaluatorFactory.java
index ba31783..325fb71 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/aggregate/AbstractMaxMinAggregateEvaluatorFactory.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/aggregate/AbstractMaxMinAggregateEvaluatorFactory.java
@@ -31,12 +31,12 @@ import 
org.apache.vxquery.runtime.functions.base.AbstractTaggedValueArgumentAggr
 import 
org.apache.vxquery.runtime.functions.comparison.AbstractValueComparisonOperation;
 import org.apache.vxquery.runtime.functions.util.FunctionHelper;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
 
 public abstract class AbstractMaxMinAggregateEvaluatorFactory extends
         AbstractTaggedValueArgumentAggregateEvaluatorFactory {
@@ -110,4 +110,4 @@ public abstract class 
AbstractMaxMinAggregateEvaluatorFactory extends
     }
 
     protected abstract AbstractValueComparisonOperation 
createValueComparisonOperation();
-}
\ 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/aggregate/AbstractMaxMinScalarEvaluatorFactory.java
----------------------------------------------------------------------
diff --git 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/aggregate/AbstractMaxMinScalarEvaluatorFactory.java
 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/aggregate/AbstractMaxMinScalarEvaluatorFactory.java
index b2aa0b9..82d938e 100644
--- 
a/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/aggregate/AbstractMaxMinScalarEvaluatorFactory.java
+++ 
b/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/aggregate/AbstractMaxMinScalarEvaluatorFactory.java
@@ -28,12 +28,12 @@ import 
org.apache.vxquery.runtime.functions.base.AbstractTaggedValueArgumentScal
 import 
org.apache.vxquery.runtime.functions.comparison.AbstractValueComparisonOperation;
 import org.apache.vxquery.runtime.functions.util.FunctionHelper;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 public abstract class AbstractMaxMinScalarEvaluatorFactory extends 
AbstractTaggedValueArgumentScalarEvaluatorFactory {
     private static final long serialVersionUID = 1L;
@@ -87,4 +87,4 @@ public abstract class AbstractMaxMinScalarEvaluatorFactory 
extends AbstractTagge
     }
 
     protected abstract AbstractValueComparisonOperation 
createValueComparisonOperation();
-}
\ No newline at end of file
+}

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