/*! * This program is free software; you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software * Foundation. * * You should have received a copy of the GNU Lesser General Public License along with this * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html * or from the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * This program 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. * * Copyright (c) 2002-2014 Pentaho Corporation.. All rights reserved. */ package org.pentaho.platform.monitoring.subscribers; import com.google.common.eventbus.DeadEvent; import com.google.common.eventbus.Subscribe; import org.apache.commons.lang.builder.ToStringBuilder; import org.pentaho.platform.api.monitoring.IMonitoringSubscriber; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * guava's elegant Catch-All-That-Fell-Thru-Cracks * <p/> * 'dead-letter' queue in the conventional message queuing systems for intercepting messages that failed to be delivered * to any known subscriber */ public class MonitoringDeadEventSubscriber implements IMonitoringSubscriber { private Logger logger = LoggerFactory.getLogger( MonitoringDeadEventSubscriber.class ); @Override public String getSubscriberId() { return this.getClass().getName(); } @Subscribe public void handleDeadEvent( DeadEvent e ) { logger.error( e != null ? ToStringBuilder.reflectionToString( e.getEvent() ) : "null object" ); } }