#1427 - QueryCache should be cleared, if one of a dependent bean is updated

Initial work, does not include propagation across cluster.

src/main/java/io/ebeaninternal/server/query/CQuery.java

@@ -38,6 +38,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.NoSuchElementException;
+import java.util.Set;
 
 /**
  * An object that represents a SqlSelect statement.
@@ -811,4 +812,8 @@ public class CQuery<T> implements DbReadContext, CancelableQuery, SpiProfileTran
   PreparedStatement getPstmt() {
     return pstmt;
   }
+
+  public Set<String> getDependentTables() {
+    return queryPlan.getDependentTables();
+  }
 }