/**********************************************************************************
* $URL: https://source.sakaiproject.org/contrib/rsmart/dbrefactor/cluster/cluster-impl/impl/src/java/org/sakaiproject/cluster/impl/SakaiClusterServiceSqlOracle.java $
* $Id: SakaiClusterServiceSqlOracle.java 3560 2007-02-19 22:08:01Z jbush@rsmart.com $
***********************************************************************************
*
* Copyright (c) 2007, 2008 Sakai Foundation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package org.sakaiproject.cluster.impl;
/**
* methods for accessing cluster data in an oracle database.
*/
public class SakaiClusterServiceSqlOracle extends SakaiClusterServiceSqlDefault
{
/**
* returns the sql statement for obtaining a list of expired sakai servers from the sakai_cluster table. <br/>br/>
*
* @param timeout
* how long (in seconds) we give an app server to respond before it is considered lost.
*/
public String getListExpiredServers(long timeout)
{
return "select SERVER_ID from SAKAI_CLUSTER where SERVER_ID != ? and UPDATE_TIME < (CURRENT_TIMESTAMP - "
+ ((float) timeout / (float) (60 * 60 * 24)) + " )";
}
}