1 files changed, 60 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M4-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/ImportRegistration.java b/tags/java/sca/2.0-M4-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/ImportRegistration.java
new file mode 100644
index 0000000000..ae9726e798
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/ImportRegistration.java
@@ -0,0 +1,60 @@
+package org.apache.tuscany.sca.osgi.remoteserviceadmin;
+
+import org.osgi.framework.ServiceReference;
+
+/**
+ * An Import Registration associates an active proxy service to a remote
+ * endpoint.
+ * 
+ * The Import Registration can be used to delete the proxy associated with an
+ * endpoint. It is created with the{@link RemoteServiceAdmin#importService}
+ * method.
+ * 
+ * @ThreadSafe
+ */
+public interface ImportRegistration {
+    /**
+     * Answer the associated Service Reference for the proxy to the endpoint.
+     * 
+     * @return A Service Reference to the proxy for the endpoint.
+     * @throws IllegalStateException Thrown when this object was not properly initialized, see {@link #getException()}
+     */
+    ServiceReference getImportedService();
+
+    /**
+     * Answer the associated remote Endpoint Description.
+     * 
+     * @return A Endpoint Description for the remote endpoint.
+     * @throws IllegalStateException Thrown when this object was not properly initialized, see {@link #getException()}
+     */
+    EndpointDescription getImportedEndpointDescription();
+
+    /**
+     * Unregister this Import Registration. This must close the connection 
+     * to the end endpoint unregister the proxy. After this method returns,
+     * all other methods must return null.
+     * 
+     * This method has no effect when the service is already unregistered or in the process off.
+     */
+    void close();
+
+    /**
+     * Exception for any error during the import process.
+     * 
+     * If the Remote Admin for some reasons is unable to create a registration,
+     * then it must return a <code>Throwable</code> from this method. In this
+     * case, all other methods must return on this interface must thrown an
+     * Illegal State Exception. If no error occurred, this method must return
+     * <code>null</code>.
+     * 
+     * The error must be set before this Import Registration is returned.
+     * Asynchronously occurring errors must be reported to the log.
+     * 
+     * TODO can we assume the proxy service is registered when getException==null?
+     * 
+     * @return The exception that occurred during the creation of the
+     *         registration or <code>null</code> if no exception occurred.
+     */
+    Throwable getException();
+
+}