diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/eval/JaninoEvaluator.java b/querydsl-collections/src/main/java/com/mysema/query/collections/eval/JaninoEvaluator.java
index f92ec9103..d4a54f0bc 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/eval/JaninoEvaluator.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/eval/JaninoEvaluator.java
@@ -12,7 +12,7 @@ import org.codehaus.janino.ExpressionEvaluator;
 
 import com.mysema.query.grammar.JavaOps;
 import com.mysema.query.grammar.types.Expr;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * JaninoEvaluator is a Janino compiler based Evaluator implementation
diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/eval/JavaSerializer.java b/querydsl-collections/src/main/java/com/mysema/query/collections/eval/JavaSerializer.java
index 9cddc36a3..251249322 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/eval/JavaSerializer.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/eval/JavaSerializer.java
@@ -29,7 +29,7 @@ import com.mysema.query.grammar.types.Path;
 import com.mysema.query.grammar.types.Expr.EConstant;
 import com.mysema.query.grammar.types.PathMetadata.PathType;
 import com.mysema.query.serialization.BaseSerializer;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 
 /**
diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/iterators/FilteringMultiIterator.java b/querydsl-collections/src/main/java/com/mysema/query/collections/iterators/FilteringMultiIterator.java
index b2314af71..337d943f9 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/iterators/FilteringMultiIterator.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/iterators/FilteringMultiIterator.java
@@ -27,7 +27,7 @@ import com.mysema.query.collections.utils.QueryIteratorUtils;
 import com.mysema.query.grammar.JavaOps;
 import com.mysema.query.grammar.types.Expr;
 import com.mysema.query.grammar.types.Expr.EBoolean;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * FilteringMultiIterator extends the MultiIterator to provide a filtered view 
diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/support/CustomQueryable.java b/querydsl-collections/src/main/java/com/mysema/query/collections/support/CustomQueryable.java
index 53118569d..945f8342c 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/support/CustomQueryable.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/support/CustomQueryable.java
@@ -17,7 +17,7 @@ import com.mysema.query.collections.QueryIndexSupport;
 import com.mysema.query.grammar.JavaOps;
 import com.mysema.query.grammar.OrderSpecifier;
 import com.mysema.query.grammar.types.Expr;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * CustomQueryable a ColQuery like interface for querying on custom IteratorSource sources
diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/support/DefaultIndexCreationTask.java b/querydsl-collections/src/main/java/com/mysema/query/collections/support/DefaultIndexCreationTask.java
index 5ef0d2087..ab7f41089 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/support/DefaultIndexCreationTask.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/support/DefaultIndexCreationTask.java
@@ -17,7 +17,7 @@ import com.mysema.query.grammar.types.Operation;
 import com.mysema.query.grammar.types.Path;
 import com.mysema.query.grammar.types.Expr.EBoolean;
 import com.mysema.query.grammar.types.Expr.EConstant;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * IndexCreationTask provides
diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/support/SimpleIndexSupport.java b/querydsl-collections/src/main/java/com/mysema/query/collections/support/SimpleIndexSupport.java
index 4f3bf2aa6..45627ef26 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/support/SimpleIndexSupport.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/support/SimpleIndexSupport.java
@@ -13,7 +13,7 @@ import com.mysema.query.collections.QueryIndexSupport;
 import com.mysema.query.grammar.JavaOps;
 import com.mysema.query.grammar.types.Expr;
 import com.mysema.query.grammar.types.Expr.EBoolean;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * SimpleIndexSupport is a minimal QueryIndexSupport implementation
diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/support/SimpleIteratorSource.java b/querydsl-collections/src/main/java/com/mysema/query/collections/support/SimpleIteratorSource.java
index 882df6fe5..3d290657a 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/support/SimpleIteratorSource.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/support/SimpleIteratorSource.java
@@ -12,7 +12,7 @@ import java.util.Map;
 import com.mysema.query.collections.IteratorSource;
 import com.mysema.query.collections.QueryIndexSupport;
 import com.mysema.query.grammar.types.Expr;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * SimpleIteratorSource is the default implementation of the IndexSupport interface
diff --git a/querydsl-collections/src/main/java/com/mysema/query/collections/utils/EvaluatorUtils.java b/querydsl-collections/src/main/java/com/mysema/query/collections/utils/EvaluatorUtils.java
index 61fea1051..fed05d17d 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/collections/utils/EvaluatorUtils.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/collections/utils/EvaluatorUtils.java
@@ -11,7 +11,7 @@ import com.mysema.query.collections.eval.Evaluator;
 import com.mysema.query.collections.eval.JaninoEvaluator;
 import com.mysema.query.grammar.JavaOps;
 import com.mysema.query.grammar.types.Expr;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * EvaluatorUtils provides factory methods for Evaluator creation
diff --git a/querydsl-core/src/main/java/com/mysema/query/JoinExpression.java b/querydsl-core/src/main/java/com/mysema/query/JoinExpression.java
index 0ace25d3f..0dd8f1cab 100644
--- a/querydsl-core/src/main/java/com/mysema/query/JoinExpression.java
+++ b/querydsl-core/src/main/java/com/mysema/query/JoinExpression.java
@@ -8,7 +8,7 @@ package com.mysema.query;
 import org.apache.commons.lang.builder.EqualsBuilder;
 
 import com.mysema.query.grammar.types.Expr;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * JoinExpression is a join element in a Query instance
diff --git a/querydsl-core/src/main/java/com/mysema/query/ProjectableAdapter.java b/querydsl-core/src/main/java/com/mysema/query/ProjectableAdapter.java
index 1fcc4145b..5c7470263 100644
--- a/querydsl-core/src/main/java/com/mysema/query/ProjectableAdapter.java
+++ b/querydsl-core/src/main/java/com/mysema/query/ProjectableAdapter.java
@@ -9,7 +9,7 @@ import java.util.Iterator;
 import java.util.List;
 
 import com.mysema.query.grammar.types.Expr;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * ProjectableAdapter is an adapter implementation for the Projectable 
diff --git a/querydsl-core/src/main/java/com/mysema/query/QueryAdapter.java b/querydsl-core/src/main/java/com/mysema/query/QueryAdapter.java
index e8ef96a9b..0f3b3a127 100644
--- a/querydsl-core/src/main/java/com/mysema/query/QueryAdapter.java
+++ b/querydsl-core/src/main/java/com/mysema/query/QueryAdapter.java
@@ -8,7 +8,7 @@ package com.mysema.query;
 import com.mysema.query.grammar.OrderSpecifier;
 import com.mysema.query.grammar.types.Expr;
 import com.mysema.query.grammar.types.Expr.EBoolean;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * QueryAdapter is an adapter implementation for Query instace wrapping
diff --git a/querydsl-core/src/main/java/com/mysema/query/grammar/Grammar.java b/querydsl-core/src/main/java/com/mysema/query/grammar/Grammar.java
index ed904069d..3e0d70059 100644
--- a/querydsl-core/src/main/java/com/mysema/query/grammar/Grammar.java
+++ b/querydsl-core/src/main/java/com/mysema/query/grammar/Grammar.java
@@ -17,7 +17,7 @@ import com.mysema.query.grammar.types.Expr.EString;
 import com.mysema.query.grammar.types.Operation.OBoolean;
 import com.mysema.query.grammar.types.Path.PEntity;
 import com.mysema.query.grammar.types.Path.PEntityCollection;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * Grammar provides the factory methods for the fluent grammar.
diff --git a/querydsl-core/src/main/java/com/mysema/query/grammar/OrderSpecifier.java b/querydsl-core/src/main/java/com/mysema/query/grammar/OrderSpecifier.java
index 24cee046a..86dc1f25b 100644
--- a/querydsl-core/src/main/java/com/mysema/query/grammar/OrderSpecifier.java
+++ b/querydsl-core/src/main/java/com/mysema/query/grammar/OrderSpecifier.java
@@ -6,7 +6,7 @@
 package com.mysema.query.grammar;
 
 import com.mysema.query.grammar.types.Expr;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * OrderSpecifier represents an order by element in a Query instance
diff --git a/querydsl-core/src/main/java/com/mysema/query/grammar/types/SimpleExprFactory.java b/querydsl-core/src/main/java/com/mysema/query/grammar/types/SimpleExprFactory.java
index c48424141..aaf280264 100644
--- a/querydsl-core/src/main/java/com/mysema/query/grammar/types/SimpleExprFactory.java
+++ b/querydsl-core/src/main/java/com/mysema/query/grammar/types/SimpleExprFactory.java
@@ -19,7 +19,7 @@ import com.mysema.query.grammar.types.Operation.OComparable;
 import com.mysema.query.grammar.types.Operation.ONumber;
 import com.mysema.query.grammar.types.Operation.OString;
 import com.mysema.query.grammar.types.Operation.OStringArray;
-import com.mysema.query.util.Assert;
+import com.mysema.util.Assert;
 
 /**
  * Factory provides factory methods for various needs
diff --git a/querydsl-core/src/main/java/com/mysema/query/util/Assert.java b/querydsl-core/src/main/java/com/mysema/util/Assert.java
similarity index 54%
rename from querydsl-core/src/main/java/com/mysema/query/util/Assert.java
rename to querydsl-core/src/main/java/com/mysema/util/Assert.java
index 6edfc2ec1..9860429f9 100644
--- a/querydsl-core/src/main/java/com/mysema/query/util/Assert.java
+++ b/querydsl-core/src/main/java/com/mysema/util/Assert.java
@@ -3,7 +3,7 @@
  * All rights reserved.
  * 
  */
-package com.mysema.query.util;
+package com.mysema.util;
 
 /**
  * Assert provides
@@ -19,12 +19,21 @@ public class Assert {
     }
 
     public static <T> T notNull(T object) {
-        if (object == null) throw new IllegalArgumentException("was null");
-        return object;
+        return notNull(object, "was null");
     }
 
+    public static <T> T notNull(T object, String message) {
+        if (object == null) throw new IllegalArgumentException(message);
+        return object;
+    }
+    
     public static String notEmpty(String contentType) {
         return hasText(contentType);
     }
+    
+    public static <T> T[] notEmpty(T[] objects) {
+        if(objects == null || objects.length == 0) throw new IllegalArgumentException("was empty");
+        return objects;
+    }
 
 }