01: /**
02: * Library name : Primrose - A Java Database Connection Pool.
03: * Published by Ben Keeping, http://primrose.org.uk .
04: * Copyright (C) 2004 Ben Keeping, primrose.org.uk
05: * Email: Use "Contact Us Form" on website
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or (at your option) any later version.
11: *
12: * This library is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: */package uk.org.primrose.pool.core.loadrules;
21:
22: import uk.org.primrose.Logger;
23: import uk.org.primrose.pool.core.Pool;
24:
25: /**
26: *
27: * @author sedj
28: * If the 'waitForConnectionIfDatabaseIsDown' parameter is set to true
29: * and the 'failoverPool' parameter is also set, then error, because the two
30: * are mutually exclusive (you can't wait for a DB to come back up, if you
31: * also want to fail over when a DB is down).
32: */
33: public class WaitForConnectionIfDatabaseIsDown implements LoadRule {
34:
35: public void runCheck(Pool pool, Logger logger)
36: throws LoadRuleException {
37: logger
38: .info("[Pool@"
39: + pool.getPoolName()
40: + "] Checking 'waitForConnectionIfDatabaseIsDown' rule ...");
41: if (pool.getFailoverPool() != null
42: && pool.getWaitForConnectionIfDatabaseIsDown()
43: .equalsIgnoreCase("true")) {
44: throw new LoadRuleException(
45: "Pool config parameter 'failoverPool' must not be set if you wish to use the 'waitForConnectionIfDatabaseIsDown' parameter.)");
46: }
47: }
48:
49: }
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