diff --git a/querydsl-core/src/main/java/com/mysema/query/grammar/types/Path.java b/querydsl-core/src/main/java/com/mysema/query/grammar/types/Path.java
index ec0e397e4..54742416a 100644
--- a/querydsl-core/src/main/java/com/mysema/query/grammar/types/Path.java
+++ b/querydsl-core/src/main/java/com/mysema/query/grammar/types/Path.java
@@ -9,6 +9,7 @@ import static com.mysema.query.grammar.types.PathMetadata.*;
 
 import java.lang.reflect.Array;
 
+import com.mysema.query.grammar.Grammar;
 import com.mysema.query.grammar.types.Expr.EBoolean;
 import com.mysema.query.grammar.types.Expr.EComparable;
 import com.mysema.query.grammar.types.Expr.EEntity;
@@ -92,6 +93,8 @@ public interface Path<C> {
      */
     public interface PCollection<D> extends Path<java.util.Collection<D>>, CollectionType<D>{        
         Class<D> getElementType();
+        EBoolean contains(D child);
+        EBoolean contains(Expr<D> child);
         EComparable<Integer> size();
     }
     
@@ -150,6 +153,12 @@ public interface Path<C> {
         public EComparable<Integer> size() { 
             return size == null ? size = new PComparable<Integer>(Integer.class, forSize(this)) : size;
         }
+        public EBoolean contains(D child) {
+            return Grammar.in(child, this);
+        }
+        public EBoolean contains(Expr<D> child) {
+            return IntGrammar.in(child, this);
+        }
     }
     
     /**
@@ -280,6 +289,12 @@ public interface Path<C> {
         public EComparable<Integer> size() { 
             return size == null ? size = new PComparable<Integer>(Integer.class, forSize(this)) : size;
         }
+        public EBoolean contains(D child) {
+            return Grammar.in(child, this);
+        }
+        public EBoolean contains(Expr<D> child) {
+            return IntGrammar.in(child, this);
+        }
     }
     
     /**