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diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversation.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversation.java
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+++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversation.java
@@ -0,0 +1,66 @@
+/*
+ * 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.conversation;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.osoa.sca.Conversation;
+
+/**
+ * An extended interface over org.osoa.Conversation
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface ExtendedConversation extends Conversation {
+    /**
+     * Get the state of a conversation
+     * @return The state
+     */
+    ConversationState getState();
+
+    /**
+     * @param state the state to set
+     */
+    void setState(ConversationState state);
+
+    /**
+     * @param conversationID the conversationID to set
+     */
+    void setConversationID(Object conversationID);
+    
+    
+    /**
+     * will check whether this conversation has expired and update state if it has 
+     * @return true if it has expired
+     */
+    boolean isExpired();
+    
+    /**
+     * updates the last time this conversation was referenced
+     */
+    void updateLastReferencedTime();
+    
+    void initializeConversationAttributes(RuntimeComponent targetComponent);
+
+    
+    /**
+     * @return true if the conversational attributes have been initialized
+     */
+    boolean conversationalAttributesInitialized();
+}