From 892cdb2921c1fc113dd4da8c822a7a07829f0edd Mon Sep 17 00:00:00 2001
From: Andreas Gudian <agudian@apache.org>
Date: Sat, 7 Feb 2015 20:47:44 +0100
Subject: [PATCH] #323 make order of fields for used mappers stable (ordered as
 given in @Mapper#uses and then @MapperConfig#uses, omitting duplicates)

---
 .../src/main/java/org/mapstruct/ap/util/MapperConfig.java    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/processor/src/main/java/org/mapstruct/ap/util/MapperConfig.java b/processor/src/main/java/org/mapstruct/ap/util/MapperConfig.java
index f82da7dd9..e09a5b19e 100644
--- a/processor/src/main/java/org/mapstruct/ap/util/MapperConfig.java
+++ b/processor/src/main/java/org/mapstruct/ap/util/MapperConfig.java
@@ -19,9 +19,10 @@
 package org.mapstruct.ap.util;
 
 import java.util.ArrayList;
-import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
+
 import javax.lang.model.element.AnnotationMirror;
 import javax.lang.model.element.Element;
 import javax.lang.model.type.DeclaredType;
@@ -73,7 +74,7 @@ public class MapperConfig {
     }
 
     public List<TypeMirror> uses() {
-        Set<TypeMirror> uses = new HashSet<TypeMirror>( mapperPrism.uses() );
+        Set<TypeMirror> uses = new LinkedHashSet<TypeMirror>( mapperPrism.uses() );
         if ( mapperConfigPrism != null ) {
             uses.addAll( mapperConfigPrism.uses() );
         }