--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/dancres/blitz/txn/NeverTrigger.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,26 @@
+package org.dancres.blitz.txn;
+
+/**
+   An instance of this class never triggers a checkpoint.  To all intents
+   and purposes it's the null implementation.
+ */
+class NeverTrigger implements CheckpointTrigger {
+    NeverTrigger() {
+    }
+
+    public void loggedCommand() {
+        // Do nothing
+    }
+
+    public void begin() {
+        // Do nothing
+    }
+
+    public void halt() {
+        // Do nothing
+    }
+
+    public boolean checkpointsDisabled() {
+        return true;
+    }
+}