--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/dancres/blitz/TxnControl.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,30 @@
+package org.dancres.blitz;
+
+import java.io.IOException;
+
+import java.rmi.RemoteException;
+
+import net.jini.core.transaction.server.TransactionManager;
+import net.jini.core.transaction.UnknownTransactionException;
+import net.jini.core.transaction.TransactionException;
+
+/**
+   Transactional operations are controlled via this interface.
+ */
+public interface TxnControl {
+    public int prepare(TransactionManager aMgr, long anId)
+        throws UnknownTransactionException, RemoteException;
+
+    public void commit(TransactionManager aMgr, long anId)
+        throws UnknownTransactionException, RemoteException;
+
+    public void abort(TransactionManager aMgr, long anId)
+        throws UnknownTransactionException, RemoteException;
+
+    public int prepareAndCommit(TransactionManager aMgr, long anId)
+        throws UnknownTransactionException, RemoteException;
+
+    public void requestSnapshot() throws TransactionException, IOException;
+
+    public void backup(String aDir) throws IOException;
+}