1 files changed, 38 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/Constants.java b/sca-java-2.x/tags/2.0.1-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/Constants.java
new file mode 100644
index 0000000000..00c650ada6
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/Constants.java
@@ -0,0 +1,38 @@
+/*
+ * 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.core.invocation;
+
+/**
+ * Constants used during invocation in the runtime
+ *
+ */
+public interface Constants {
+    public static final String MESSAGE_ID 				= "MESSAGE_ID";
+    public static final String RELATES_TO 				= "RELATES_TO";
+    public static final String ASYNC_RESPONSE_INVOKER 	= "ASYNC_RESPONSE_INVOKER";
+    public static final String ASYNC_CALLBACK 			= "ASYNC_CALLBACK";
+    public static final String CALLBACK                 = "CALLBACK";
+    
+    /**
+     *  If you've set the TCCL in your binding impl according to OASIS rules you can prevent
+     *  the implementation provider from repeating the process by including this header
+     */
+    public static final String SUPPRESS_TCCL_SWAP       = "SUPPRESS_TCCL_SWAP";
+}