/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.gui.legacy.action.resource.common.monitor.visibility;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.core.domain.auth.Subject;
import org.rhq.core.domain.common.EntityContext;
import org.rhq.core.domain.measurement.DataType;
import org.rhq.core.domain.measurement.MeasurementSchedule;
import org.rhq.core.domain.measurement.ui.MetricDisplaySummary;
import org.rhq.enterprise.gui.util.WebUtility;
import org.rhq.enterprise.server.measurement.MeasurementChartsManagerLocal;
import org.rhq.enterprise.server.measurement.MeasurementScheduleManagerLocal;
import org.rhq.enterprise.server.resource.group.ResourceGroupManagerLocal;
import org.rhq.enterprise.server.util.LookupUtil;
/**
* An <code>Action</code> that retrieves data from the backend to facilitate display of the <em>Resource Metrics</em>
* pages.
*
* <p/>This is used for the "Metric Data" sub sub tab on the monioring pages.
*/
public class ResourceMetricsFormPrepareAction extends MetricsDisplayFormPrepareAction {
protected static Log log = LogFactory.getLog(ResourceMetricsFormPrepareAction.class);
// ---------------------------------------------------- Protected Methods
/**
* Do we show the baseline column on this page? The answer is no (for now).
*/
@Override
protected Boolean getShowBaseline() {
return Boolean.FALSE;
}
/**
* Get from the Bizapp the set of metric summaries for the specified entity that will be displayed on the page.
* Returns a <code>Map</code> keyed by metric category.
*
* @param request the http request
* @param resourceIds the entity id of the currently viewed resource
* @param begin the time (in milliseconds since the epoch) that begins the timeframe for which the metrics
* are summarized
* @param end the time (in milliseconds since the epoch) that ends the timeframe for which the metrics are
* summarized
*
* @return Map keyed on the category (String), values are List's of MetricDisplaySummary beans
*/
@Override
protected List<MetricDisplaySummary> getMetrics(HttpServletRequest request, int[] resourceIds, long filters,
String keyword, Long begin, Long end) throws Exception {
Subject subject = WebUtility.getSubject(request);
int parent = WebUtility.getOptionalIntRequestParameter(request, "parent", -1);
int type = WebUtility.getOptionalIntRequestParameter(request, "type", -1);
int myGroupId = WebUtility.getOptionalIntRequestParameter(request, "groupId", -1);
MeasurementScheduleManagerLocal scheduleManager = LookupUtil.getMeasurementScheduleManager();
MeasurementChartsManagerLocal chartsManager = LookupUtil.getMeasurementChartsManager();
if (log.isTraceEnabled()) {
log.trace("finding metric summaries for resource [" + Arrays.toString(resourceIds) + "] for range " + begin
+ ":" + end + " filters value: " + filters + " and keyword: " + keyword);
}
List<MetricDisplaySummary> metricSummaries = null;
// GH: Why are we only getting the first one? --> single resource case
if (myGroupId > 0) {
ResourceGroupManagerLocal resGrpMgr = LookupUtil.getResourceGroupManager();
int[] definitionIds = resGrpMgr.findDefinitionsForCompatibleGroup(subject, myGroupId, false);
metricSummaries = chartsManager.getMetricDisplaySummariesForCompatibleGroup(subject,
EntityContext.forGroup(myGroupId),
definitionIds, begin, end, false);
} else if ((parent > 0) && (type > 0)) {
ResourceGroupManagerLocal resGrpMgr = LookupUtil.getResourceGroupManager();
int[] definitionIds = resGrpMgr.findDefinitionsForAutoGroup(subject, parent, type, false);
metricSummaries = chartsManager.getMetricDisplaySummariesForAutoGroup(subject, parent, type, definitionIds,
begin, end, false);
} else if ((resourceIds != null) && (resourceIds.length > 0)) {
int resourceId = resourceIds[0];
List<MeasurementSchedule> scheds = scheduleManager.findSchedulesForResourceAndType(subject,
resourceId, null, null, false); //null -> don't filter, we want everything, false -> not only enabled
int metricOrTraitCount = 0;
for (MeasurementSchedule sched : scheds) {
if ((sched.getDefinition().getDataType() == DataType.MEASUREMENT)
|| (sched.getDefinition().getDataType() == DataType.TRAIT)) {
// We only want to display numeric metrics and traits on the Visibility and Metric Data subtabs.
metricOrTraitCount++;
}
}
int[] scheduleIds = new int[metricOrTraitCount];
int index = 0;
for (MeasurementSchedule sched : scheds) {
if ((sched.getDefinition().getDataType() == DataType.MEASUREMENT)
|| (sched.getDefinition().getDataType() == DataType.TRAIT)) {
// We only want to display numeric metrics and traits on the Visibility and Metric Data subtabs.
scheduleIds[index++] = sched.getId();
}
}
metricSummaries = chartsManager.getMetricDisplaySummariesForResource(subject, resourceId, scheduleIds,
begin, end);
} else {
throw new IllegalArgumentException("Unknown operation mode");
}
/*
* Loop over the summaries to see if they have data. If all are empty, then just return an empty list.
*/
boolean dataPresent = false;
for (MetricDisplaySummary sum : metricSummaries) {
if (sum.getValuesPresent() == true) {
dataPresent = true;
break;
}
}
if (!dataPresent) {
metricSummaries = new ArrayList<MetricDisplaySummary>();
}
return metricSummaries;
}
}