/*******************************************************************************
* Copyright (c) 2001-2005 Sasa Markovic and Ciaran Treanor.
* Copyright (c) 2011 The OpenNMS Group, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/
package org.jrobin.cmd;
import org.jrobin.core.RrdDb;
import org.jrobin.core.RrdException;
import java.io.IOException;
class RrdLastCmd extends RrdToolCmd {
String getCmdType() {
return "last";
}
Object execute() throws RrdException, IOException {
String[] words = getRemainingWords();
if (words.length != 2) {
throw new RrdException("Invalid rrdlast syntax");
}
String path = words[1];
RrdDb rrdDb = getRrdDbReference(path);
try {
long lastUpdateTime = rrdDb.getLastUpdateTime();
println(lastUpdateTime + "");
return lastUpdateTime;
}
finally {
releaseRrdDbReference(rrdDb);
}
}
}