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/*
* Copyright (c) 2012 Robert Bosch Engineering and Business Solutions Ltd India. All rights reserved. This program and
* the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies
* this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.eclipse.osee.ats.reports.burndown.hours;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import org.eclipse.osee.ats.api.workflow.log.IAtsLog;
import org.eclipse.osee.ats.api.workflow.log.IAtsLogItem;
import org.eclipse.osee.ats.api.workflow.log.LogType;
import org.eclipse.osee.ats.core.client.workflow.AbstractWorkflowArtifact;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
/**
* This is the class responsible for constructing the burndown logs based on the Artifact data. The burndown logs
* constructed is in the form of a list of HourBurndownEntry objects.
*
* @author Praveen Joseph
*/
public class HourBurndownLog {
private Date startDate;
private Date endDate;
private List<AbstractWorkflowArtifact> artifacts;
private double totalWork;
private double avgIdeal;
private final List<HourBurndownEntry> entries;
/**
* Constructor to initialise list of Work flow artifacts and Log entries
*/
public HourBurndownLog() {
this.artifacts = new ArrayList<>();
this.entries = new ArrayList<>();
}
/**
* @param artifacts : sets the list of work flow artifacts
*/
public void setArtifacts(final List<AbstractWorkflowArtifact> artifacts) {
this.artifacts = artifacts;
}
/**
* @param endDate : sets the end date
*/
public void setEndDate(final Date endDate) {
this.endDate = endDate;
}
/**
* @param startDate : sets the start date
*/
public void setStartDate(final Date startDate) {
this.startDate = startDate;
}
/**
* @param totalWork : sets the total work done
*/
public void setTotalWork(final double totalWork) {
this.totalWork = totalWork;
}
/**
* @return the list of workflow artifacts
*/
public List<AbstractWorkflowArtifact> getArtifacts() {
return this.artifacts;
}
/**
* @return the end date
*/
public Date getEndDate() {
return this.endDate;
}
/**
* @return the start date
*/
public Date getStartDate() {
return this.startDate;
}
/**
* @return the total work
*/
public double getTotalWork() {
return this.totalWork;
}
/**
* @param avgIdeal : sets average work hours
*/
public void setAvgIdeal(final double avgIdeal) {
this.avgIdeal = avgIdeal;
}
/**
* @return average work hours
*/
public double getAvgIdeal() {
return this.avgIdeal;
}
/**
* @return the entries
*/
public List<HourBurndownEntry> getEntries() {
return this.entries;
}
/**
* Method to compute the total work and add hourburndown log entries
*
* @throws OseeCoreException
*/
public void compute() throws OseeCoreException {
this.totalWork = computeTotalWork();
long days = (this.endDate.getTime() - this.startDate.getTime()) / (1000 * 60 * 60 * 24);
final double idealAvg = this.totalWork / days;
// Day-wise work log
Date inspectDate = this.startDate;
double remainingWork = this.totalWork;
double idealRemainingWork = this.totalWork;
// Create 0th entry
HourBurndownEntry zeroeth = new HourBurndownEntry(inspectDate);
zeroeth.setHoursWorked(0);
zeroeth.setHoursRemaining(remainingWork);
zeroeth.setBurndownRate(0);
zeroeth.setIdealHoursRemaining(idealRemainingWork);
this.entries.add(zeroeth);
inspectDate = incrementDate(inspectDate, 1);
while (!inspectDate.after(this.endDate)) {
double totalWorkDay = computeTotalWork(inspectDate);
remainingWork = remainingWork - totalWorkDay;
idealRemainingWork -= idealAvg;
double burndown = remainingWork / days--;
HourBurndownEntry entry = new HourBurndownEntry(inspectDate);
entry.setHoursWorked(totalWorkDay);
entry.setHoursRemaining(remainingWork);
entry.setIdealHoursRemaining(idealRemainingWork);
entry.setBurndownRate(burndown);
this.entries.add(entry);
// increment
inspectDate = incrementDate(inspectDate, 1);
}
}
private Date incrementDate(final Date inspectDate, final int i) {
// IncrementDate
Calendar cal = Calendar.getInstance();
cal.setTime(inspectDate);
cal.add(Calendar.DATE, i);
Date newDate = cal.getTime();
return newDate;
}
/**
* This method computes the total work to be done from the list of available artifacts
*/
private double computeTotalWork() throws OseeCoreException {
double work = 0;
for (AbstractWorkflowArtifact artifact : this.artifacts) {
work += artifact.getEstimatedHoursTotal();
}
return work;
}
/**
* This method computes the total work done on a given date.
*/
@SuppressWarnings("deprecation")
private double computeTotalWork(final Date currentDate) throws OseeCoreException {
double work = 0;
for (AbstractWorkflowArtifact artifact : this.artifacts) {
double previousWork = 0;
IAtsLog log = artifact.getLog();
List<IAtsLogItem> logItems = log.getLogItems();
for (IAtsLogItem item : logItems) {
if (item.getType() == LogType.Metrics) {
double itemWork = ReportUtil.getWork(item);
Date itemDate = item.getDate();
if (itemDate.getDate() == currentDate.getDate() && itemDate.getMonth() == currentDate.getMonth() && itemDate.getYear() == currentDate.getYear()) {
work += itemWork - previousWork;
}
previousWork = itemWork;
}
}
}
return work;
}
}
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