/*
* 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, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also 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 and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.core.domain.measurement.calltime;
import java.io.Serializable;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.jetbrains.annotations.NotNull;
import org.rhq.core.domain.measurement.MeasurementScheduleRequest;
/**
* Call-time data for a set of calls to a particular service (e.g. a webapp or a session EJB) over a certain time span.
* Plugins report call-time metric data by creating one <code>CallTimeData</code> for each requested schedule and adding
* it to the {@link org.rhq.core.domain.measurement.MeasurementReport} provided by the plugin container.
*
* @author Ian Springer
*/
public class CallTimeData implements Serializable {
private static final long serialVersionUID = 1L;
private int scheduleId;
private Map<String, CallTimeDataValue> values = new HashMap<String, CallTimeDataValue>();
/**
* Create a new <code>CallTimeData</code>.
*
* @param schedule the schedule for which this data was collected
*/
public CallTimeData(MeasurementScheduleRequest schedule) {
this.scheduleId = schedule.getScheduleId();
}
/**
* Add data for a call to the specified destination.
*
* @param destination the call destination
* @param beginTime the time when the call was initiated
* @param duration the duration of the call, in milliseconds
*/
public void addCallData(@NotNull String destination, @NotNull Date beginTime, long duration) {
Date endTime = new Date(beginTime.getTime() + duration);
CallTimeDataValue value = addValue(beginTime, endTime, destination);
value.mergeCallTime(duration);
}
/**
* Add data for a set of calls to the specified destination within the specified time interval.
*
* @param destination the call destination
* @param beginTime ...
* @param endTime ...
* @param minimum ...
* @param maximum ...
* @param total ...
* @param count ...
*/
public void addAggregatedCallData(@NotNull String destination, @NotNull Date beginTime, @NotNull Date endTime,
double minimum, double maximum, double total, long count) {
if (count == 0) {
throw new IllegalArgumentException(
"Plugin attempted to add aggregated call data with a call count of 0 for destination '" + destination
+ "' - data will not be added.");
}
CallTimeDataValue value = addValue(beginTime, endTime, destination);
value.setMinimum(minimum);
value.setMaximum(maximum);
value.setTotal(total);
value.setCount(count);
}
public int getScheduleId() {
return this.scheduleId;
}
/**
* Returns a map that maps call destinations to the associated call-time data.
*
* @return a map that maps call destinations to the associated call-time data
*/
@NotNull
public Map<String, CallTimeDataValue> getValues() {
// Make the Map unmodifiable to prevent the plugin developer from being able to add to it directly.
return Collections.unmodifiableMap(this.values);
}
private CallTimeDataValue addValue(Date beginTime, Date endTime, String destination) {
if (beginTime.after(endTime)) {
throw new IllegalArgumentException("Begin time (" + beginTime + " [" + beginTime.getTime()
+ "]) is after end time (" + endTime + " [" + endTime.getTime() + "]).");
}
if (destination.length() > CallTimeDataKey.DESTINATION_MAX_LENGTH) {
throw new IllegalArgumentException("Call destination is longer than the maximum length ("
+ CallTimeDataKey.DESTINATION_MAX_LENGTH + " characters) - please modify your response time transform "
+ "to generate smaller URLs");
}
CallTimeDataValue value = this.values.get(destination);
if (value == null) {
value = new CallTimeDataValue(beginTime, endTime);
this.values.put(destination, value);
}
return value;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if ((o == null) || (!(o instanceof CallTimeData))) {
return false;
}
final CallTimeData other = (CallTimeData) o;
return (this.scheduleId == other.scheduleId);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + this.scheduleId;
return result;
}
}