/*
* NOTE: This copyright does *not* cover user programs that use Hyperic
* program services by normal system calls through the application
* program interfaces provided as part of the Hyperic Plug-in Development
* Kit or the Hyperic Client Development Kit - this is merely considered
* normal use of the program, and does *not* fall under the heading of
* "derived work".
*
* Copyright (C) [2004-2010], VMware, Inc.
* This file is part of Hyperic.
*
* Hyperic is free software; you can redistribute it and/or modify
* it under the terms version 2 of the GNU General Public License as
* published by the Free Software Foundation. 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
package org.hyperic.hq.events.server.mbean;
import java.io.Serializable;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hyperic.hq.common.DiagnosticObject;
import org.hyperic.hq.events.server.session.AlertConditionEvaluator;
import org.hyperic.hq.events.server.session.AlertConditionEvaluatorRepository;
import org.hyperic.hq.events.server.session.RecoveryConditionEvaluator;
import org.hyperic.util.StringUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jmx.export.annotation.ManagedOperation;
import org.springframework.jmx.export.annotation.ManagedResource;
import org.springframework.stereotype.Service;
/**
* Alert Condition Evaluator Diagnostic service
*
*
*/
@ManagedResource("hyperic.jmx:type=Service,name=AlertConditionEvaluatorDiagnostic")
@Service
public class AlertConditionEvaluatorDiagnosticService
implements AlertConditionEvaluatorDiagnosticServiceMBean, DiagnosticObject
{
private Log log = LogFactory.getLog(AlertConditionEvaluatorDiagnosticService.class);
private AlertConditionEvaluatorRepository alertConditionEvaluatorRepository ;
@Autowired
public AlertConditionEvaluatorDiagnosticService(AlertConditionEvaluatorRepository alertConditionEvaluatorRepository) {
this.alertConditionEvaluatorRepository = alertConditionEvaluatorRepository;
}
public String getShortStatus() {
return getStatus();
}
public String getStatus() {
StringBuffer res = new StringBuffer();
Map<Integer,AlertConditionEvaluator> alertConditionEvaluators = alertConditionEvaluatorRepository.getAlertConditionEvaluators();
Map<String, AlertConditionEvaluatorStats> stats = new HashMap<String, AlertConditionEvaluatorStats>();
if (log.isDebugEnabled()) {
// this will give a list of all the alert condition evaluators
// and the associated alert definition id
log.debug("alertConditionEvaluators size=" + alertConditionEvaluators.size());
log.debug("alertConditionEvaluators=" + alertConditionEvaluators);
}
for (AlertConditionEvaluator alertConditionEvaluator : alertConditionEvaluators.values()) {
String key = alertConditionEvaluator.getClass().getName();
AlertConditionEvaluatorStats val = null;
if (stats.containsKey(key)) {
val = (AlertConditionEvaluatorStats) stats.get(key);
} else {
val = new AlertConditionEvaluatorStats();
}
val.evaluatorCount++;
if (alertConditionEvaluator.getState() != null) {
val.evaluatorStateCount++;
}else if (alertConditionEvaluator instanceof RecoveryConditionEvaluator){
RecoveryConditionEvaluator rce = (RecoveryConditionEvaluator) alertConditionEvaluator;
if (rce.getLastAlertFired() != null) {
val.evaluatorStateCount++;
}
}
if (alertConditionEvaluator.getExecutionStrategy().getState() != null) {
val.strategyStateCount++;
}
stats.put(key, val);
}
res.append("<table border='1'>");
res.append("<tr><th>Alert Condition Evaluator Class</th>");
res.append("<th>Total Count</th>");
res.append("<th>With Evaluator State</th>");
res.append("<th>With Strategy State</th></tr>");
AlertConditionEvaluatorStats total = new AlertConditionEvaluatorStats();
for ( String key : stats.keySet()) {
AlertConditionEvaluatorStats val = (AlertConditionEvaluatorStats) stats.get(key);
total.evaluatorCount += val.evaluatorCount;
total.evaluatorStateCount += val.evaluatorStateCount;
total.strategyStateCount += val.strategyStateCount;
res.append("<tr><td>" + key + "</td>");
res.append("<td>" + val.evaluatorCount + "</td>");
res.append("<td>" + val.evaluatorStateCount + "</td>");
res.append("<td>" + val.strategyStateCount + "</td></tr>");
}
res.append("<tr><td>Total</td>");
res.append("<td>" + total.evaluatorCount + "</td>");
res.append("<td>" + total.evaluatorStateCount + "</td>");
res.append("<td>" + total.strategyStateCount + "</td></tr>");
res.append("</table>");
return res.toString();
}
/**
*
*/
@ManagedOperation
public String displaySummary() {
return getStatus();
}
/**
* @param alertDefinitionIds A comma-separated list of alert definition ids to inspect
*
*
*/
@ManagedOperation
public String inspectByAlertDefinitionIds(String alertDefinitionIds) {
StringBuffer res = new StringBuffer();
List<String> idList = StringUtil.explode(alertDefinitionIds, ",");
res.append("<table border='1'>");
res.append("<tr><th>Alert Definition ID</th>");
res.append("<th>Alert Condition Evaluator Class</th>");
res.append("<th>Alert Condition Evaluator State</th>");
res.append("<th>Execution Strategy State</th></tr>");
for (String id : idList) {
id = id.trim();
AlertConditionEvaluator alertConditionEvaluator =
alertConditionEvaluatorRepository.getAlertConditionEvaluatorById(new Integer(id));
String evaluatorClassName = null;
Serializable alertConditionEvaluatorState = null;
Serializable executionStrategyState = null;
if (alertConditionEvaluator != null) {
evaluatorClassName = alertConditionEvaluator.getClass().getName();
executionStrategyState = alertConditionEvaluator.getExecutionStrategy().getState();
if (alertConditionEvaluator instanceof RecoveryConditionEvaluator) {
RecoveryConditionEvaluator rce = (RecoveryConditionEvaluator) alertConditionEvaluator;
alertConditionEvaluatorState = rce.getLastAlertFired();
} else {
alertConditionEvaluatorState = alertConditionEvaluator.getState();
}
}
res.append("<tr><td>" + id + "</td>");
res.append("<td>" + evaluatorClassName + "</td>");
res.append("<td>" + alertConditionEvaluatorState + "</td>");
res.append("<td>" + executionStrategyState + "</td></tr>");
}
res.append("</table>");
return res.toString();
}
public String getShortName() {
return "alert diagnostic";
}
public String getName() {
return "Alert Condition Evaluator Diagnostic Service";
}
private class AlertConditionEvaluatorStats {
protected int evaluatorCount = 0;
protected int evaluatorStateCount = 0;
protected int strategyStateCount = 0;
}
}