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comparison src/org/dancres/blitz/notify/RegistrationOp.java @ 0:3dc0c5604566

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Initial checkin of blitz 2.0 fcs - no installer yet.
author Dan Creswell <dan.creswell@gmail.com>
date Sat, 21 Mar 2009 11:00:06 +0000
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-1:000000000000 0:3dc0c5604566
1 package org.dancres.blitz.notify;
2
3 import java.io.IOException;
4
5 import org.dancres.blitz.txn.TxnOp;
6 import org.dancres.blitz.txn.TxnState;
7
8 /**
9 Every persistent (those that aren't transaction-related) notify registration
10 is recorded in the log for purposes of recovery.
11 */
12 class RegistrationOp implements TxnOp {
13 private EventGeneratorState theState;
14
15 RegistrationOp(EventGeneratorState aState) {
16 theState = aState;
17 }
18
19 public void commit(TxnState aState) throws IOException {
20 // Nothing to do
21 }
22
23 public void abort(TxnState aState) throws IOException {
24 // Nothing to do
25 }
26
27 public void restore(TxnState aState) throws IOException {
28 EventGeneratorFactory.get().recover(theState);
29 }
30
31 public String toString() {
32 return " NO : " + theState.toString();
33 }
34 }