--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/dancres/blitz/lease/LeaseHandler.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,26 @@
+package org.dancres.blitz.lease;
+
+import java.io.IOException;
+
+import net.jini.core.lease.UnknownLeaseException;
+import net.jini.core.lease.LeaseDeniedException;
+
+/**
+   Each LeaseHandler instance knows how to renew/cancel a leased resource
+   identified by a particular type of SpaceUID.
+
+   @see org.dancres.blitz.lease.LeaseHandlers
+ */
+public interface LeaseHandler {
+    public boolean recognizes(SpaceUID aUID);
+
+    /**
+       @return the duration actually assigned to the resource associated with
+       the SpaceUID after bounding etc.
+     */
+    public long renew(SpaceUID aUID, long aLeaseDuration)
+        throws UnknownLeaseException, LeaseDeniedException, IOException;
+
+    public void cancel(SpaceUID aUID)
+        throws UnknownLeaseException, IOException;
+}