--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/dancres/blitz/LeaseControl.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,23 @@
+package org.dancres.blitz;
+
+import java.io.IOException;
+
+import net.jini.core.lease.LeaseDeniedException;
+import net.jini.core.lease.UnknownLeaseException;
+
+import org.dancres.blitz.lease.SpaceUID;
+
+/**
+   Lease renewal/cancellation is handled via this interface.
+ */
+public interface LeaseControl {
+    /**
+       @return the actual lease duration assigned as the result of the
+       renew.
+     */
+    public long renew(SpaceUID aUID, long aDuration)
+        throws LeaseDeniedException, UnknownLeaseException, IOException;
+
+    public void cancel(SpaceUID aUID) 
+        throws UnknownLeaseException, IOException;
+}