From 9fcf0bce76391b28a925d18063f15eaa098edffb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20Westk=C3=A4mper?= <timo.westkamper@mysema.com>
Date: Tue, 5 Jul 2011 09:10:31 +0000
Subject: [PATCH] added synchronization to the static element cache

---
 querydsl-apt/src/main/java/com/mysema/query/apt/Processor.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/querydsl-apt/src/main/java/com/mysema/query/apt/Processor.java b/querydsl-apt/src/main/java/com/mysema/query/apt/Processor.java
index ecb250405..3c9e2b825 100644
--- a/querydsl-apt/src/main/java/com/mysema/query/apt/Processor.java
+++ b/querydsl-apt/src/main/java/com/mysema/query/apt/Processor.java
@@ -63,7 +63,8 @@ public class Processor {
     /**
      * Cache for annotated elements
      */
-    static final Map<Class<? extends Annotation>, Set<Element>> elementCache = new HashMap<Class<? extends Annotation>,Set<Element>>();
+    static final Map<Class<? extends Annotation>, Set<Element>> elementCache = Collections.synchronizedMap(
+            new HashMap<Class<? extends Annotation>,Set<Element>>());
 
     /**
      * Mapping of entity types to TypeElements which contribute to the generated class