--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/dancres/blitz/remote/BackEndSpace.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,48 @@
+package org.dancres.blitz.remote;
+
+import net.jini.core.lease.Lease;
+import net.jini.core.transaction.Transaction;
+import net.jini.core.transaction.TransactionException;
+import net.jini.core.event.EventRegistration;
+import net.jini.core.event.RemoteEventListener;
+import org.dancres.blitz.mangler.MangledEntry;
+
+import java.rmi.RemoteException;
+import java.rmi.MarshalledObject;
+
+/**
+ */
+public interface BackEndSpace {
+    public LeaseImpl write(MangledEntry anEntry, Transaction aTxn,
+                       long aLeaseTime)
+        throws RemoteException, TransactionException;
+
+    public MangledEntry take(MangledEntry anEntry, Transaction aTxn,
+                             long aWaitTime)
+        throws RemoteException, TransactionException;
+
+    public MangledEntry read(MangledEntry anEntry, Transaction aTxn,
+                             long aWaitTime)
+        throws RemoteException, TransactionException;
+
+    public MangledEntry takeIfExists(MangledEntry anEntry, Transaction aTxn,
+                                     long aWaitTime)
+        throws RemoteException, TransactionException;
+
+    public MangledEntry readIfExists(MangledEntry anEntry, Transaction aTxn,
+                                     long aWaitTime)
+        throws RemoteException, TransactionException;
+
+    public EventRegistration notify(MangledEntry anEntry, Transaction aTxn,
+                                    RemoteEventListener aListener,
+                                    long aLeaseTime,
+                                    MarshalledObject aHandback)
+        throws RemoteException, TransactionException;
+
+    /**
+       Used by the base proxy (which implements Administrable) to return
+       a proxy for the admin functions.  Saves sending the admin proxy to
+       clients that don't intend to use it.
+     */
+    public Object getAdmin() throws RemoteException;
+}