Copy 2.0-Beta2-RC3 tag as 2.0-Beta2 final release tag.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1072933 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 57 insertions, 0 deletions

diff --git a/sca-java-2.x/tags/2.0-Beta2/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ThreadMessageContext.java b/sca-java-2.x/tags/2.0-Beta2/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ThreadMessageContext.java
new file mode 100644
index 0000000000..d6237b7ce3
--- /dev/null
+++ b/sca-java-2.x/tags/2.0-Beta2/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ThreadMessageContext.java
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.context;
+
+import org.apache.tuscany.sca.invocation.Message;
+
+/**
+ * Class for tunnelling a WorkContext through the invocation of a user class.
+ *
+ * @version $Rev$ $Date$
+ */
+public final class ThreadMessageContext {
+
+    private static final ThreadLocal<Message> CONTEXT = new ThreadLocal<Message>();
+
+    private ThreadMessageContext() {
+    }
+
+    public static Message setMessageContext(Message context) {
+        Message old = CONTEXT.get();
+        CONTEXT.set(context);
+        return old;
+    }
+
+    /**
+     * Returns the WorkContext for the current thread.
+     *
+     * @return the WorkContext for the current thread
+     */
+    public static Message getMessageContext() {
+        return CONTEXT.get();
+    }
+
+    /**
+     * Removes and state from the current thread to ensure that
+     * any associated classloaders can be GCd
+     */
+    public static void removeMessageContext() {
+        CONTEXT.remove();
+    }
+}