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Merge pull request #5 from Arimihanta/main 

Vote majoritaire
This commit is contained in:
ArenMg 2021-07-12 21:42:24 +03:00 committed by GitHub
parent 8a95a6114f ab1f30e718
commit e0db6dac3f
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34 changed files with 2491 additions and 2 deletions
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45
src/main/java/fr/lirmm/aren/model/User.java
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@ -25,6 +25,8 @@ import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;
import javax.persistence.JoinTable;
import fr.lirmm.aren.model.vm.VMTeam;
import org.hibernate.annotations.Filter;
import org.hibernate.annotations.Filters;
import org.hibernate.annotations.SortNatural;
@ -135,6 +137,15 @@ public class User extends AbstractEntEntity implements Serializable {
@SortNatural
private SortedSet<Team> teams = new TreeSet<>();
@JoinTable(name = "vm_teams_users",
joinColumns = {
@JoinColumn(name = "user_id", referencedColumnName = "id")},
inverseJoinColumns = {
@JoinColumn(name = "team_id", referencedColumnName = "id")})
@ManyToMany
@SortNatural
private SortedSet<VMTeam> vmTeams = new TreeSet<>();
@OneToMany(mappedBy = "owner")
@SortNatural
private SortedSet<Notification> notifications = new TreeSet<>();
@ -372,6 +383,40 @@ public class User extends AbstractEntEntity implements Serializable {
team.getUsers().remove(this);
}
/**
*
* @return
*/
public SortedSet<VMTeam> getVmTeams() {
return vmTeams;
}
/**
*
* @param vmTeams
*/
public void setVmTeams(SortedSet<VMTeam> vmTeams) {
this.vmTeams = vmTeams;
}
/**
*
* @param team
*/
public void addMember(VMTeam team) {
vmTeams.add(team);
team.getMembers().add(this);
}
/**
*
* @param team
*/
public void removeMember(VMTeam team) {
vmTeams.remove(team);
team.getMembers().remove(this);
}
/**
*
* @return

311
src/main/java/fr/lirmm/aren/model/vm/VMChoice.java Normal file
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@ -0,0 +1,311 @@
package fr.lirmm.aren.model.vm;
import com.fasterxml.jackson.annotation.JsonIdentityInfo;
import com.fasterxml.jackson.annotation.ObjectIdGenerators;
import fr.lirmm.aren.model.AbstractEntity;
import org.hibernate.annotations.SortNatural;
import org.hibernate.annotations.Type;
import javax.persistence.*;
import javax.validation.constraints.Size;
import java.io.Serializable;
import java.time.ZonedDateTime;
import java.util.SortedSet;
import java.util.TreeSet;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 24/06/2021
* @project aren-1
*/
@Entity
@Table(name = "vm_choices")
@JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "id", scope = VMChoice.class)
public class VMChoice extends AbstractEntity implements Serializable {
@JoinColumn(name = "themeId", referencedColumnName = "id")
@ManyToOne(optional = false)
private VMTheme themeId;
@Size(max = 255)
@Column(name = "title")
private String title;
@Lob
@Type(type = "org.hibernate.type.TextType")
@Column(name = "description")
private String description;
@Size(max = 1024)
@Column(name = "url")
private String url;
@Lob
@Type(type = "org.hibernate.type.TextType")
@Column(name = "img")
private String img;
@Column(name = "rejected")
private int rejected=0;
@Column(name = "insufficient")
private int insufficient=0;
@Column(name = "pass")
private int pass=0;
@Column(name = "acceptable")
private int acceptable=0;
@Column(name = "good")
private int good=0;
@Column(name = "very_good")
private int veryGood=0;
@Column(name = "excellent")
private int excellent=0;
@Column(name = "createdAt")
private ZonedDateTime createdAt=ZonedDateTime.now();
@OneToMany(mappedBy = "subThemeId",fetch = FetchType.LAZY)
@SortNatural
private SortedSet<VMVote> votes = new TreeSet<>();
/**
*
* @return
*/
public VMTheme getThemeId() {
return themeId;
}
/**
*
* @param themeId
*/
public void setThemeId(VMTheme themeId) {
this.themeId = themeId;
}
/**
*
* @return
*/
public String getTitle() {
return title;
}
/**
*
* @param title
*/
public void setTitle(String title) {
this.title = title;
}
/**
*
* @return
*/
public String getDescription() {
return description;
}
/**
*
* @param description
*/
public void setDescription(String description) {
this.description = description;
}
/**
*
* @return
*/
public String getUrl() {
return url;
}
/**
*
* @param url
*/
public void setUrl(String url) {
this.url = url;
}
/**
*
* @return
*/
public String getImg() {
return img;
}
/**
*
* @param img
*/
public void setImg(String img) {
this.img = img;
}
/**
*
* @return
*/
public int getRejected() {
return rejected;
}
/**
*
* @param rejected
*/
public void setRejected(int rejected) {
this.rejected = rejected;
}
/**
*
* @return
*/
public int getInsufficient() {
return insufficient;
}
/**
*
* @param insufficient
*/
public void setInsufficient(int insufficient) {
this.insufficient = insufficient;
}
/**
*
* @return
*/
public int getPass() {
return pass;
}
/**
*
* @param pass
*/
public void setPass(int pass) {
this.pass = pass;
}
/**
*
* @return
*/
public int getAcceptable() {
return acceptable;
}
/**
*
* @param acceptable
*/
public void setAcceptable(int acceptable) {
this.acceptable = acceptable;
}
/**
*
* @return
*/
public int getGood() {
return good;
}
/**
*
* @param good
*/
public void setGood(int good) {
this.good = good;
}
/**
*
* @return
*/
public int getVeryGood() {
return veryGood;
}
/**
*
* @param veryGood
*/
public void setVeryGood(int veryGood) {
this.veryGood = veryGood;
}
/**
*
* @return
*/
public int getExcellent() {
return excellent;
}
/**
*
* @param excellent
*/
public void setExcellent(int excellent) {
this.excellent = excellent;
}
/**
*
* @return
*/
public ZonedDateTime getCreatedAt() {
return createdAt;
}
/**
*
* @param createdAt
*/
public void setCreatedAt(ZonedDateTime createdAt) {
this.createdAt = createdAt;
}
/**
*
* @return
*/
public SortedSet<VMVote> getVotes() {
return votes;
}
/**
*
* @param votes
*/
public void setVotes(SortedSet<VMVote> votes) {
this.votes = votes;
}
public boolean isVoted(){
if(this.getRejected()!=0 ||
this.getInsufficient()!=0 ||
this.getPass()!=0 ||
this.getAcceptable()!=0 ||
this.getGood()!=0 ||
this.getVeryGood()!=0 ||
this.getExcellent()!=0
) return true ;
return false ;
}
}

81
src/main/java/fr/lirmm/aren/model/vm/VMTeam.java Normal file
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@ -0,0 +1,81 @@
package fr.lirmm.aren.model.vm;
import com.fasterxml.jackson.annotation.JsonIdentityInfo;
import com.fasterxml.jackson.annotation.ObjectIdGenerators;
import fr.lirmm.aren.model.AbstractEntity;
import fr.lirmm.aren.model.User;
import org.hibernate.annotations.SortNatural;
import org.hibernate.annotations.Where;
import javax.persistence.*;
import javax.validation.constraints.Size;
import java.io.Serializable;
import java.util.SortedSet;
import java.util.TreeSet;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 11/07/2021
* @project aren-1
*/
@Entity
@Table(name = "vm_teams")
@JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "id", scope = VMTheme.class)
public class VMTeam extends AbstractEntity implements Serializable {
@Size(max = 255)
@Column(name = "name")
private String name;
@ManyToMany(mappedBy = "vmTeams")
@SortNatural
private SortedSet<User> members = new TreeSet<>();
/**
*
* @return
*/
public String getName() {
return name;
}
/**
*
* @param name
*/
public void setName(String name) {
this.name = name;
}
/**
*
* @return
*/
public SortedSet<User> getMembers() {
return members;
}
/**
*
* @param members
*/
public void setMembers(SortedSet<User> members) {
this.members = members;
}
/**
*
* @param user
*/
public void addUser(User user) {
this.members.add(user);
user.getVmTeams().add(this);
}
/**
*
* @param user
*/
public void removeUser(User user) {
this.members.remove(user);
user.getVmTeams().remove(this);
}
}

173
src/main/java/fr/lirmm/aren/model/vm/VMTheme.java Normal file
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@ -0,0 +1,173 @@
package fr.lirmm.aren.model.vm;
import com.fasterxml.jackson.annotation.JsonIdentityInfo;
import com.fasterxml.jackson.annotation.ObjectIdGenerators;
import fr.lirmm.aren.model.AbstractEntity;
import fr.lirmm.aren.model.Team;
import fr.lirmm.aren.model.User;
import org.hibernate.annotations.Type;
import javax.persistence.*;
import javax.validation.constraints.Size;
import java.io.Serializable;
import java.time.ZonedDateTime;
import java.util.LinkedHashSet;
import java.util.Set;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 24/06/2021
* @project aren-1
*/
@Entity
@Table(name = "vm_themes")
@JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "id", scope = VMTheme.class)
public class VMTheme extends AbstractEntity implements Serializable {
/**
*
*/
@JoinColumn(name = "author", referencedColumnName = "id")
@ManyToOne
private User author;
@JoinColumn(name = "team", referencedColumnName = "id")
@ManyToOne
private Team team;
@Size(max = 255)
@Column(name = "title")
private String title;
@Lob
@Type(type = "org.hibernate.type.TextType")
@Column(name = "description")
private String description;
@Column(name = "createdAt")
private ZonedDateTime createdAt=ZonedDateTime.now();
@Column(name = "expiracyDate")
private ZonedDateTime expiracyDate;
@OneToMany(mappedBy = "themeId")
private Set<VMChoice> choices = new LinkedHashSet<>();
/**
*
* @return
*/
public User getAuthor() {
return author;
}
/**
*
* @param author
*/
public void setAuthor(User author) {
this.author = author;
}
/**
*
* @return
*/
public Team getTeam() {
return team;
}
/**
*
* @param team
*/
public void setTeam(Team team) {
this.team = team;
}
/**
*
* @return
*/
public String getTitle() {
return title;
}
/**
*
* @param title
*/
public void setTitle(String title) {
this.title = title;
}
/**
*
* @return
*/
public String getDescription() {
return description;
}
/**
*
* @param description
*/
public void setDescription(String description) {
this.description = description;
}
/**
*
* @return
*/
public ZonedDateTime getCreatedAt() {
return createdAt;
}
/**
*
* @param createdAt
*/
public void setCreatedAt(ZonedDateTime createdAt) {
this.createdAt = createdAt;
}
/**
*
* @return
*/
public ZonedDateTime getExpiracyDate() {
return expiracyDate;
}
/**
*
* @param expiracyDate
*/
public void setExpiracyDate(ZonedDateTime expiracyDate) {
this.expiracyDate = expiracyDate;
}
/**
*
* @return
*/
public Set<VMChoice> getChoices() {
return choices;
}
/**
*
* @param choices
*/
public void setChoices(Set<VMChoice> choices) {
this.choices = choices;
}
@Override
public String toString(){
return "title : "+this.title+"\n"
+"Description : "+this.description+"\n"
+"Expiration : "+this.expiracyDate+"\n";
}
}

108
src/main/java/fr/lirmm/aren/model/vm/VMVote.java Normal file
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@ -0,0 +1,108 @@
package fr.lirmm.aren.model.vm;
import com.fasterxml.jackson.annotation.JsonIdentityInfo;
import com.fasterxml.jackson.annotation.ObjectIdGenerators;
import fr.lirmm.aren.model.AbstractEntity;
import fr.lirmm.aren.model.User;
import javax.persistence.*;
import java.io.Serializable;
import java.time.ZonedDateTime;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 25/06/2021
* @project aren-1
*/
@Entity
@Table(name = "vm_votes")
@JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "id", scope = VMVote.class)
public class VMVote extends AbstractEntity implements Serializable {
public enum Opinion {
REJECTED,
INSUFFICIENT,
PASS,
ACCEPTABLE,
GOOD,
VERY_GOOD,
EXCELLENT
}
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "subThemeId")
private VMChoice subThemeId;
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "authorId")
private User authorId ;
@Enumerated(EnumType.STRING)
@Column(name = "opinion", nullable = false)
private Opinion opinion=Opinion.REJECTED;
@Column(name = "createdAt")
private ZonedDateTime createdAt=ZonedDateTime.now();
/**
*
* @return
*/
public VMChoice getSubThemeId() {
return subThemeId;
}
/**
*
* @param subThemeId
*/
public void setSubThemeId(VMChoice subThemeId) {
this.subThemeId = subThemeId;
}
/**
*
* @return
*/
public User getAuthorId() {
return authorId;
}
/**
*
* @param authorId
*/
public void setAuthorId(User authorId) {
this.authorId = authorId;
}
/**
*
* @return
*/
public Opinion getOpinion() {
return opinion;
}
/**
*
* @param opinion
*/
public void setOpinion(Opinion opinion) {
this.opinion = opinion;
}
/**
*
* @return
*/
public ZonedDateTime getCreatedAt() {
return createdAt;
}
/**
*
* @param createdAt
*/
public void setCreatedAt(ZonedDateTime createdAt) {
this.createdAt = createdAt;
}
}

36
src/main/java/fr/lirmm/aren/service/AbstractService.java
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@ -152,6 +152,42 @@ public abstract class AbstractService<T extends AbstractEntity> {
}
}
public T insert(T entity) {
// If ever the entity is attached, it needs to be detached
getEntityManager().detach(entity);
// If ever the id is set, it needs to be removed
entity.setId(null);
try {
this.transactionBegin();
getEntityManager().persist(entity);
getEntityManager().refresh(entity);
this.afterCreate(entity);
this.commit();
} catch (PersistenceException e) {
if (e.getCause() instanceof PropertyValueException) {
PropertyValueException cause = (PropertyValueException) e.getCause();
throw InsertEntityException.MANDATORY_PROPERTY(cause.getPropertyName());
} else if (e.getCause() instanceof ConstraintViolationException) {
// Parse the error to a client readable one
Throwable cause = e.getCause().getCause();
String details = cause.getMessage();
Pattern pattern = Pattern.compile("\\((.*)\\)=\\((.*)\\)");
Matcher matcher = pattern.matcher(details);
if (matcher.find()) {
String keyName = matcher.group(1);
String keyValue = matcher.group(2);
throw InsertEntityException.DUPLICATE_KEY(keyName, keyValue);
} else {
throw InsertEntityException.OTHER(details);
}
} else {
throw e;
}
}
return entity ;
}
/**
*
* @param entity

4
src/main/java/fr/lirmm/aren/service/framadate/FDThemeService.java
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@ -40,8 +40,8 @@ public class FDThemeService extends AbstractService<FDTheme> {
super.edit(fdTheme);
}
public FDTheme find(Long fdPollId, boolean withChoices, boolean withVotes) {
List<FDTheme> results = generateQuery(fdPollId, withChoices,withVotes).getResultList();
public FDTheme find(Long themeId, boolean withChoices, boolean withVotes) {
List<FDTheme> results = generateQuery(themeId, withChoices,withVotes).getResultList();
if (results.isEmpty()) {
throw new NotFoundException();
}

67
src/main/java/fr/lirmm/aren/service/vm/VMChoiceService.java Normal file
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@ -0,0 +1,67 @@
package fr.lirmm.aren.service.vm;
import fr.lirmm.aren.model.vm.VMChoice;
import fr.lirmm.aren.service.AbstractService;
import javax.enterprise.context.ApplicationScoped;
import javax.persistence.TypedQuery;
import javax.ws.rs.NotFoundException;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 08/07/2021
* @project aren-1
*/
@ApplicationScoped
public class VMChoiceService extends AbstractService<VMChoice> {
public VMChoiceService(){super(VMChoice.class) ;}
/**
*
* @param choiceId
* @param withVotes
* @return
*/
private TypedQuery<VMChoice> generateQuery(Long choiceId, boolean withVotes){
TypedQuery<VMChoice> query = getEntityManager().createQuery("SELECT vmc "
+"FROM VMChoice vmc "
+(withVotes? "LEFT JOIN FETCH vmc.votes vo " : "")
+ (choiceId != null
? "WHERE vmc.id = :choiceId "
: "WHERE vmc.id IS NOT NULL ")
,VMChoice.class
) ;
if (choiceId != null) {
query.setParameter("choiceId", choiceId);
}
return query ;
}
/**
*
* @param withVotes
* @return
*/
public Set<VMChoice> findAll(boolean withVotes){
return new HashSet<VMChoice>(generateQuery(null, withVotes).getResultList()) ;
}
/**
*
* @param choice
*/
@Override
public void edit(VMChoice choice){
super.edit(choice);
}
public VMChoice find(Long choiceId, boolean withVotes){
List<VMChoice> choices=generateQuery(choiceId,withVotes).getResultList() ;
if (choices.isEmpty()) {
throw new NotFoundException();
}
return choices.get(0) ;
}
}

94
src/main/java/fr/lirmm/aren/service/vm/VMTeamService.java Normal file
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@ -0,0 +1,94 @@
package fr.lirmm.aren.service.vm;
import fr.lirmm.aren.model.Debate;
import fr.lirmm.aren.model.Team;
import fr.lirmm.aren.model.vm.VMTeam;
import fr.lirmm.aren.service.AbstractService;
import javax.enterprise.context.ApplicationScoped;
import javax.persistence.TypedQuery;
import javax.ws.rs.NotFoundException;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 11/07/2021
* @project aren-1
*/
@ApplicationScoped
public class VMTeamService extends AbstractService<VMTeam> {
/**
*
*/
public VMTeamService(){
super(VMTeam.class) ;
}
/**
*
* @param teamId
* @return
*/
private TypedQuery<VMTeam> generateQuery(Long teamId){
TypedQuery<VMTeam> query = getEntityManager().createQuery("SELECT vmt "
+"FROM VMTeam vmt "
+"LEFT JOIN vmt.members m "
+ (teamId != null
? "WHERE vmt.id = :teamId "
: "WHERE vmt.id IS NOT NULL ")
, VMTeam.class
) ;
if (teamId != null) {
query.setParameter("teamId", teamId);
}
return query ;
}
/**
*
* @return
*/
public Set<VMTeam> findAll() {
return new HashSet<VMTeam>(generateQuery(null).getResultList());
}
/**
*
* @param team
*/
@Override
public void edit(VMTeam team) {
super.edit(team);
}
@Override
public VMTeam insert(VMTeam team) {
return super.insert(team) ;
}
/**
*
* @param teamId
* @return
*/
public VMTeam find(Long teamId) {
List<VMTeam> teams = generateQuery(teamId).getResultList();
if (teams.isEmpty()) {
throw new NotFoundException();
}
return teams.get(0);
}
public void updateExternaleTables(VMTeam team) {
super.transactionBegin();
team.getMembers().forEach(member->{
System.out.println(team.getId()+" --- "+member.getId());
getEntityManager().createNativeQuery("INSERT INTO vm_teams_users(vmteam_id,members_id) VALUES(?,?) ")
.setParameter(1, team.getId())
.setParameter(2, member.getId())
.executeUpdate();
super.commit();
});
}
}

100
src/main/java/fr/lirmm/aren/service/vm/VMThemeService.java Normal file
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@ -0,0 +1,100 @@
package fr.lirmm.aren.service.vm;
import fr.lirmm.aren.model.vm.VMChoice;
import fr.lirmm.aren.model.vm.VMTheme;
import fr.lirmm.aren.service.AbstractService;
import javax.enterprise.context.ApplicationScoped;
import javax.persistence.TypedQuery;
import javax.ws.rs.NotFoundException;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 08/07/2021
* @project aren-1
*/
@ApplicationScoped
public class VMThemeService extends AbstractService<VMTheme> {
public VMThemeService(){
super(VMTheme.class) ;
}
private TypedQuery<VMTheme> generateQuery(Long themeId, boolean withChoices, boolean withVotes){
TypedQuery<VMTheme> query = getEntityManager().createQuery("SELECT vmt "
+"FROM VMTheme vmt "
+(withChoices? "LEFT JOIN FETCH vmt.choices co " : "")
+(withVotes? "LEFT JOIN FETCH co.votes vo " : "")
+ (themeId != null
? "WHERE vmt.id = :themeId "
: "WHERE vmt.id IS NOT NULL ")
, VMTheme.class
) ;
if (themeId != null) {
query.setParameter("themeId", themeId);
}
return query ;
}
public Set<VMTheme> findAll(boolean withChoices, boolean withVotes) {
return new HashSet<VMTheme>(generateQuery(null, withChoices,withVotes).getResultList());
}
@Override
public void edit(VMTheme theme) {
super.edit(theme);
}
public VMTheme find(Long themeId, boolean withChoices, boolean withVotes) {
List<VMTheme> themes = generateQuery(themeId, withChoices,withVotes).getResultList();
if (themes.isEmpty()) {
throw new NotFoundException();
}
return themes.get(0);
}
/**
*
* @param themeId
*/
public void delete(Long themeId) {
this.transactionBegin();
List<VMChoice> choices = getEntityManager().createQuery("SELECT c "
+ "FROM VMChoice c "
+ "WHERE c.themeId.id = :themeId ", VMChoice.class)
.setParameter("themeId", themeId)
.getResultList();
if (!choices.isEmpty()) {
for(VMChoice choice : choices){
this.deleteVotes(choice.getId());
}
}
try{
getEntityManager().createQuery("DELETE FROM VMChoice choice "
+ "WHERE choice.themeId.id = :themeId")
.setParameter("themeId", themeId)
.executeUpdate();
getEntityManager().createQuery("DELETE FROM VMTheme theme "
+ "WHERE theme.id = :themeId")
.setParameter("themeId", themeId)
.executeUpdate();
}catch(Exception ex){
System.err.println("Erreur : "+ex.getMessage());
}
this.commit();
}
/**
*
* @param choiceId
*/
public void deleteVotes(Long choiceId) {
this.transactionBegin();
getEntityManager().createQuery("DELETE FROM VMVote vote "
+ "WHERE vote.subThemeId.id = :choiceId")
.setParameter("choiceId", choiceId)
.executeUpdate();
this.commit();
}
}

86
src/main/java/fr/lirmm/aren/service/vm/VMVoteService.java Normal file
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@ -0,0 +1,86 @@
package fr.lirmm.aren.service.vm;
import fr.lirmm.aren.model.vm.VMChoice;
import fr.lirmm.aren.model.vm.VMVote;
import fr.lirmm.aren.service.AbstractService;
import javax.enterprise.context.ApplicationScoped;
import javax.ws.rs.NotFoundException;
import java.util.List;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 25/06/2021
* @project aren-1
*/
@ApplicationScoped
public class VMVoteService extends AbstractService<VMVote> {
public VMVoteService(){
super(VMVote.class) ;
}
@Override
protected void afterCreate(VMVote entity){
this.updateExternaleTables(entity);
}
public void updateExternaleTables(VMVote vmVote){
super.transactionBegin();
List<VMChoice> results = getEntityManager().createQuery("SELECT c "
+ "FROM VMChoice c "
+ "WHERE c.id = :id", VMChoice.class)
.setParameter("id", vmVote.getSubThemeId().getId())
.getResultList();
if (results.isEmpty()) {
throw new NotFoundException();
}
VMChoice choice=results.get(0) ;
switch(vmVote.getOpinion()){
case REJECTED:
choice.setRejected(choice.getRejected()+1);
break ;
case INSUFFICIENT:
choice.setInsufficient(choice.getInsufficient()+1);
break;
case PASS:
choice.setPass(choice.getPass()+1);
break;
case ACCEPTABLE:
choice.setAcceptable(choice.getAcceptable()+1);
break ;
case GOOD:
choice.setGood(choice.getGood()+1);
break ;
case VERY_GOOD:
choice.setVeryGood(choice.getVeryGood()+1);
break ;
case EXCELLENT:
choice.setExcellent(choice.getExcellent()+1);
break ;
}
getEntityManager().createQuery("UPDATE VMChoice c SET "
+ "c.rejected = :rejected, "
+ "c.insufficient = :insufficient, "
+ "c.pass = :pass, "
+ "c.acceptable = :acceptable, "
+ "c.good = :good, "
+ "c.veryGood = :veryGood, "
+ "c.excellent = :excellent "
+"WHERE c.id=:id"
)
.setParameter("rejected",choice.getRejected())
.setParameter("insufficient", choice.getInsufficient())
.setParameter("pass",choice.getPass())
.setParameter("acceptable",choice.getAcceptable())
.setParameter("good", choice.getGood())
.setParameter("veryGood",choice.getVeryGood())
.setParameter("excellent",choice.getExcellent())
.setParameter("id", vmVote.getSubThemeId().getId())
.executeUpdate() ;
super.commit();
}
}

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src/main/java/fr/lirmm/aren/ws/rest/VMChoiceRESTFacade.java Normal file
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package fr.lirmm.aren.ws.rest;
import fr.lirmm.aren.model.vm.VMChoice;
import fr.lirmm.aren.service.vm.VMChoiceService;
import fr.lirmm.aren.service.vm.VMVoteService;
import javax.annotation.security.PermitAll;
import javax.annotation.security.RolesAllowed;
import javax.enterprise.context.RequestScoped;
import javax.inject.Inject;
import javax.ws.rs.Path;
import java.util.List;
import java.util.Set;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 08/07/2021
* @project aren-1
*/
@RequestScoped
@Path("vm/choices")
public class VMChoiceRESTFacade extends AbstractRESTFacade<VMChoice>{
@Inject
VMChoiceService choiceService ;
@Inject
VMVoteService voteService ;
@Override
protected VMChoiceService getService() {
return choiceService;
}
/**
*
* @param choice
* @return
*/
@Override
//@RolesAllowed({"ADMIN"})
@PermitAll
public VMChoice create(VMChoice choice){
return super.create(choice) ;
}
/**
*
* @param id of the Entity to update
* @param choice
* @return
*/
@Override
public VMChoice edit(Long id,VMChoice choice){
return super.edit(id,choice) ;
}
/**
*
* @param id of the Entity to remove
*/
@Override
@RolesAllowed({"ADMIN"})
public void remove(Long id) {
super.remove(id);
}
/**
*
* @return
*/
@Override
@PermitAll
public Set<VMChoice> findAll() {
boolean withVotes = this.overview == null;
Set<VMChoice> choices= choiceService.findAll(withVotes);
return choices ;
}
/**
*
* @param id of the Entity to fetch
* @return
*/
@Override
@PermitAll
public VMChoice find(Long id) {
boolean withVotes = this.overview == null;
return choiceService.find(id,withVotes);
}
}

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src/main/java/fr/lirmm/aren/ws/rest/VMTeamRESTFacade.java Normal file
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package fr.lirmm.aren.ws.rest;
import fr.lirmm.aren.model.Team;
import fr.lirmm.aren.model.User;
import fr.lirmm.aren.model.vm.VMTeam;
import fr.lirmm.aren.service.UserService;
import fr.lirmm.aren.service.vm.VMTeamService;
import javax.annotation.security.PermitAll;
import javax.annotation.security.RolesAllowed;
import javax.enterprise.context.RequestScoped;
import javax.inject.Inject;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import java.util.Set;
import java.util.SortedSet;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 11/07/2021
* @project aren-1
*/
@RequestScoped
@Path("vm/teams")
public class VMTeamRESTFacade extends AbstractRESTFacade<VMTeam>{
@Inject
VMTeamService teamService ;
@Inject
UserService userService ;
/**
*
* @return
*/
@Override
protected VMTeamService getService(){
return teamService ;
}
/**
*
* @param team
* @return
*/
@Override
@PermitAll
public VMTeam create(VMTeam team){
SortedSet<User> members=team.getMembers() ;
VMTeam teamRes= teamService.insert(team) ;
members.forEach(member->{
teamRes.addUser(userService.getReference(member.getId()));
teamService.edit(teamRes);
});
return teamRes ;
}
/**
*
* @param id of the Entity to update
* @param team
* @return
*/
@Override
public VMTeam edit(Long id, VMTeam team){
return super.edit(id,team) ;
}
/**
*
* @return
*/
@Override
@PermitAll
public Set<VMTeam> findAll() {
Set<VMTeam> teams= teamService.findAll();
return teams ;
}
/**
*
* @param id of the Entity to fetch
* @return
*/
@Override
@PermitAll
public VMTeam find(Long id) {
return teamService.find(id);
}
}

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src/main/java/fr/lirmm/aren/ws/rest/VMThemeRESTFacade.java Normal file
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package fr.lirmm.aren.ws.rest;
import fr.lirmm.aren.model.vm.VMChoice;
import fr.lirmm.aren.model.vm.VMTheme;
import fr.lirmm.aren.service.vm.VMChoiceService;
import fr.lirmm.aren.service.vm.VMThemeService;
import fr.lirmm.aren.service.vm.VMVoteService;
import fr.mieuxvoter.mj.*;
import javax.annotation.security.PermitAll;
import javax.annotation.security.RolesAllowed;
import javax.enterprise.context.RequestScoped;
import javax.inject.Inject;
import javax.ws.rs.DELETE;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import java.util.*;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 08/07/2021
* @project aren-1
*/
@RequestScoped
@Path("vm/themes")
public class VMThemeRESTFacade extends AbstractRESTFacade<VMTheme>{
@Inject
VMThemeService themeService ;
@Inject
VMChoiceService choiceService ;
@Inject
VMVoteService voteService ;
@Override
protected VMThemeService getService() {
return themeService;
}
@Override
//@RolesAllowed({"ADMIN"})
@PermitAll
public VMTheme create(VMTheme theme){
System.out.println(theme.toString());
return super.create(theme);
}
@Override
//@RolesAllowed({"ADMIN"})
public VMTheme edit(Long id, VMTheme theme){return super.edit(id, theme);}
@Override
@PermitAll
//@RolesAllowed({"MODO"})
public Set<VMTheme> findAll() {
boolean withChoices = this.overview == null;
Set<VMTheme> themes= themeService.findAll(withChoices, true);
/**
* Sort by voting rank
*/
Set<VMTheme> newThemes=new HashSet<>() ;
themes.forEach(theme -> {
Object []choices=theme.getChoices().toArray() ;
List<VMChoice> choicesNotVoted=new ArrayList<>() ;
List<ProposalTallyInterface> proposalTallyInterfaces=new ArrayList<>() ;
for(int i=0 ; i<choices.length ; i++){
VMChoice choice=(VMChoice) choices[i] ;
if(choice.isVoted()){
proposalTallyInterfaces.add(new ProposalTally(
new Integer[]{choice.getRejected(),
choice.getInsufficient(),
choice.getPass(),
choice.getAcceptable(),
choice.getGood(),
choice.getVeryGood(),
choice.getExcellent()})) ;
}else{
choicesNotVoted.add(choice) ;
}
}
VMChoice newChoices[]=new VMChoice[choices.length] ;
if(!proposalTallyInterfaces.isEmpty()){
ProposalTallyInterface []proposalTallyInterfacesArray=new ProposalTallyInterface[proposalTallyInterfaces.size()] ;
for(int i=0 ; i<proposalTallyInterfaces.size() ; i++){
proposalTallyInterfacesArray[i]=proposalTallyInterfaces.get(i) ;
}
TallyInterface tally = new NormalizedTally(proposalTallyInterfacesArray) ;
DeliberatorInterface mj = new MajorityJudgmentDeliberator();
ResultInterface result = mj.deliberate(tally);
int index=0 ;
for(ProposalResultInterface item : result.getProposalResults()){
newChoices[item.getRank()-1]=(VMChoice) choices[index] ;
System.out.println(item.getRank()+" - "+newChoices[item.getRank()-1].getTitle());
index++ ;
}
}
for(int i=0 ; i<choicesNotVoted.size() ; i++){
newChoices[newChoices.length-(i+1)]= choicesNotVoted.get(i) ;
}
LinkedHashSet<VMChoice> setChoices = new LinkedHashSet<>();
System.out.println("Rang : ") ;
for(int i=0 ; i<newChoices.length ; i++){
System.out.println(i+" - "+newChoices[i].getTitle());
setChoices.add(newChoices[i]) ;
}
theme.setChoices(setChoices);
newThemes.add(theme) ;
});
return newThemes ;
}
@DELETE
@Path("delete/{id}")
@RolesAllowed({"ADMIN"})
public void delete(@PathParam("id") Long id) {
themeService.delete(id);
}
@Override
//@RolesAllowed({"MODO"})
@PermitAll
public VMTheme find(Long id) {
boolean withChoices = this.overview == null;
VMTheme theme = themeService.find(id,withChoices,true);
return theme;
}
}

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src/main/java/fr/lirmm/aren/ws/rest/VMVoteRESTFacade.java Normal file
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package fr.lirmm.aren.ws.rest;
import fr.lirmm.aren.model.vm.VMChoice;
import fr.lirmm.aren.model.vm.VMVote;
import fr.lirmm.aren.service.AbstractService;
import fr.lirmm.aren.service.vm.VMVoteService;
import javax.annotation.security.PermitAll;
import javax.annotation.security.RolesAllowed;
import javax.enterprise.context.RequestScoped;
import javax.inject.Inject;
import javax.ws.rs.Path;
import java.util.Set;
/**
* @author ANDRIAMBOLAHARIMIHANTA Havana on 08/07/2021
* @project aren-1
*/
@RequestScoped
@Path("vm/votes")
public class VMVoteRESTFacade extends AbstractRESTFacade<VMVote>{
@Inject
VMVoteService vmVoteService ;
/**
*
* @return
*/
@Override
protected VMVoteService getService() {
return this.vmVoteService;
}
/**
*
* @param vote
* @return
*/
@Override
//@RolesAllowed({"USER"})
@PermitAll
public VMVote create(VMVote vote){
return super.create(vote) ;
}
/**
*
* @param voteId
* @return
*/
@Override
//@RolesAllowed({"USER"})
@PermitAll
public VMVote find(Long voteId){
return super.find(voteId) ;
}
/**
*
* @param id
*/
@Override
@RolesAllowed({"ADMIN"})
public void remove(Long id) {
super.remove(id);
}
/**
*
* @return
*/
@Override
//@RolesAllowed({"USER"})
@PermitAll
public Set<VMVote> findAll(){
return super.findAll() ;
}
}

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src/main/java/fr/mieuxvoter/mj/CollectedTally.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
public class CollectedTally implements TallyInterface {
Integer amountOfProposals = 0;
Integer amountOfGrades = 0;
ProposalTally[] proposalsTallies;
public CollectedTally(Integer amountOfProposals, Integer amountOfGrades) {
setAmountOfProposals(amountOfProposals);
setAmountOfGrades(amountOfGrades);
proposalsTallies = new ProposalTally[amountOfProposals];
for (int i = 0; i < amountOfProposals; i++) {
ProposalTally proposalTally = new ProposalTally();
Integer[] tally = new Integer[amountOfGrades];
for (int j = 0; j < amountOfGrades; j++) {
tally[j] = 0;
}
proposalTally.setTally(tally);
proposalsTallies[i] = proposalTally;
}
}
@Override
public ProposalTallyInterface[] getProposalsTallies() {
return proposalsTallies;
}
@Override
public BigInteger getAmountOfJudges() {
return guessAmountOfJudges();
}
@Override
public Integer getAmountOfProposals() {
return this.amountOfProposals;
}
public void setAmountOfProposals(Integer amountOfProposals) {
this.amountOfProposals = amountOfProposals;
}
public Integer getAmountOfGrades() {
return amountOfGrades;
}
public void setAmountOfGrades(Integer amountOfGrades) {
this.amountOfGrades = amountOfGrades;
}
protected BigInteger guessAmountOfJudges() {
BigInteger amountOfJudges = BigInteger.ZERO;
for (ProposalTallyInterface proposalTally : getProposalsTallies()) {
amountOfJudges = proposalTally.getAmountOfJudgments().max(amountOfJudges);
}
return amountOfJudges;
}
public void collect(Integer proposal, Integer grade) {
assert (0 <= proposal);
assert (amountOfProposals > proposal);
assert (0 <= grade);
assert (amountOfGrades > grade);
BigInteger[] tally = proposalsTallies[proposal].getTally();
tally[grade] = tally[grade].add(BigInteger.ONE);
}
}

47
src/main/java/fr/mieuxvoter/mj/DefaultGradeTally.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
/**
* Fill the missing judgments into the grade defined by `getDefaultGrade()`. This is an abstract
* class to dry code between static default grade and median default grade.
*/
public abstract class DefaultGradeTally extends Tally implements TallyInterface {
/** Override this to choose the default grade for a given proposal. */
protected abstract Integer getDefaultGradeForProposal(ProposalTallyInterface proposalTally);
// <domi41> /me is confused with why we need constructors in an abstract class?
public DefaultGradeTally(TallyInterface tally) {
super(tally.getProposalsTallies(), tally.getAmountOfJudges());
}
public DefaultGradeTally(ProposalTallyInterface[] proposalsTallies, Integer amountOfJudges) {
super(proposalsTallies, amountOfJudges);
}
public DefaultGradeTally(ProposalTallyInterface[] proposalsTallies, Long amountOfJudges) {
super(proposalsTallies, amountOfJudges);
}
public DefaultGradeTally(ProposalTallyInterface[] proposalsTallies, BigInteger amountOfJudges) {
super(proposalsTallies, amountOfJudges);
}
protected void fillWithDefaultGrade() {
int amountOfProposals = getAmountOfProposals();
for (int i = 0; i < amountOfProposals; i++) {
ProposalTallyInterface proposalTally = getProposalsTallies()[i];
Integer defaultGrade = getDefaultGradeForProposal(proposalTally);
BigInteger amountOfJudgments = proposalTally.getAmountOfJudgments();
BigInteger missingAmount = this.amountOfJudges.subtract(amountOfJudgments);
int missingSign = missingAmount.compareTo(BigInteger.ZERO);
assert (0 <= missingSign); // ERROR: More judgments than judges!
if (0 < missingSign) {
BigInteger[] rawTally = proposalTally.getTally();
rawTally[defaultGrade] = rawTally[defaultGrade].add(missingAmount);
}
}
}
}

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src/main/java/fr/mieuxvoter/mj/DeliberatorInterface.java Normal file
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package fr.mieuxvoter.mj;
/**
* A Deliberator takes in a poll's Tally, which holds the amount of judgments of each grade received
* by each Proposal, and outputs that poll's Result, that is the final rank of each Proposal.
*
* <p>Ranks start at 1 ("best"), and increment towards "worst". Two proposal may share the same
* rank, in extreme equality cases.
*
* <p>This is the main API of this library.
*
* <p>See MajorityJudgmentDeliberator for an implementation. One could implement other deliberators,
* such as: - CentralJudgmentDeliberator - UsualJudgmentDeliberator
*/
public interface DeliberatorInterface {
public ResultInterface deliberate(TallyInterface tally) throws InvalidTallyException;
}

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src/main/java/fr/mieuxvoter/mj/IncoherentTallyException.java Normal file
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package fr.mieuxvoter.mj;
/** Raised when the provided tally holds negative values, or infinity. */
class IncoherentTallyException extends InvalidTallyException {
private static final long serialVersionUID = 5858986651601202903L;
@Override
public String getMessage() {
return ("The provided tally holds negative values, or infinity. "
+ (null == super.getMessage() ? "" : super.getMessage()));
}
}

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src/main/java/fr/mieuxvoter/mj/InvalidTallyException.java Normal file
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package fr.mieuxvoter.mj;
import java.security.InvalidParameterException;
/** Raised when the provided tally is invalid. */
class InvalidTallyException extends InvalidParameterException {
private static final long serialVersionUID = 3033391835216704620L;
}

197
src/main/java/fr/mieuxvoter/mj/MajorityJudgmentDeliberator.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Comparator;
/**
* Deliberate using Majority Judgment.
*
* <p>Sorts Proposals by their median Grade. When two proposals share the same median Grade, give
* reason to the largest group of people that did not give the median Grade.
*
* <p>This algorithm is score-based, for performance (and possible parallelization). Each Proposal
* gets a score, higher (lexicographically) is "better" (depends of the meaning of the Grades). We
* use Strings instead of Integers or raw Bits for the score. Improve if you feel like it and can
* benchmark things.
*
* <p>https://en.wikipedia.org/wiki/Majority_judgment
* https://fr.wikipedia.org/wiki/Jugement_majoritaire
*
* <p>Should this class be `final`?
*/
public final class MajorityJudgmentDeliberator implements DeliberatorInterface {
protected boolean favorContestation = true;
protected boolean numerizeScore = false;
public MajorityJudgmentDeliberator() {}
public MajorityJudgmentDeliberator(boolean favorContestation) {
this.favorContestation = favorContestation;
}
public MajorityJudgmentDeliberator(boolean favorContestation, boolean numerizeScore) {
this.favorContestation = favorContestation;
this.numerizeScore = numerizeScore;
}
@Override
public ResultInterface deliberate(TallyInterface tally) throws InvalidTallyException {
checkTally(tally);
ProposalTallyInterface[] tallies = tally.getProposalsTallies();
BigInteger amountOfJudges = tally.getAmountOfJudges();
Integer amountOfProposals = tally.getAmountOfProposals();
Result result = new Result();
ProposalResult[] proposalResults = new ProposalResult[amountOfProposals];
// I. Compute the scores of each Proposal
for (int proposalIndex = 0; proposalIndex < amountOfProposals; proposalIndex++) {
ProposalTallyInterface proposalTally = tallies[proposalIndex];
String score = computeScore(proposalTally, amountOfJudges);
ProposalTallyAnalysis analysis =
new ProposalTallyAnalysis(proposalTally, this.favorContestation);
ProposalResult proposalResult = new ProposalResult();
proposalResult.setScore(score);
proposalResult.setAnalysis(analysis);
// proposalResult.setRank(???); // rank is computed below, AFTER the score pass
proposalResults[proposalIndex] = proposalResult;
}
// II. Sort Proposals by score (lexicographical inverse)
ProposalResult[] proposalResultsSorted = proposalResults.clone();
assert (proposalResultsSorted[0].hashCode()
== proposalResults[0].hashCode()); // we need a shallow clone
Arrays.sort(
proposalResultsSorted,
(Comparator<ProposalResultInterface>) (p0, p1) -> p1.getScore().compareTo(p0.getScore()));
// III. Attribute a rank to each Proposal
Integer rank = 1;
for (int proposalIndex = 0; proposalIndex < amountOfProposals; proposalIndex++) {
ProposalResult proposalResult = proposalResultsSorted[proposalIndex];
Integer actualRank = rank;
if (proposalIndex > 0) {
ProposalResult proposalResultBefore = proposalResultsSorted[proposalIndex - 1];
if (proposalResult.getScore().contentEquals(proposalResultBefore.getScore())) {
actualRank = proposalResultBefore.getRank();
}
}
proposalResult.setRank(actualRank);
rank += 1;
}
result.setProposalResults(proposalResults);
return result;
}
protected void checkTally(TallyInterface tally) throws UnbalancedTallyException {
if (!isTallyCoherent(tally)) {
throw new IncoherentTallyException();
}
if (!isTallyBalanced(tally)) {
throw new UnbalancedTallyException();
}
}
protected boolean isTallyCoherent(TallyInterface tally) {
boolean coherent = true;
for (ProposalTallyInterface proposalTally : tally.getProposalsTallies()) {
for (BigInteger gradeTally : proposalTally.getTally()) {
if (-1 == gradeTally.compareTo(BigInteger.ZERO)) {
coherent = false; // negative tallies are not coherent
}
}
}
return coherent;
}
protected boolean isTallyBalanced(TallyInterface tally) {
boolean balanced = true;
BigInteger amountOfJudges = BigInteger.ZERO;
boolean firstProposal = true;
for (ProposalTallyInterface proposalTally : tally.getProposalsTallies()) {
if (firstProposal) {
amountOfJudges = proposalTally.getAmountOfJudgments();
firstProposal = false;
} else {
if (0 != amountOfJudges.compareTo(proposalTally.getAmountOfJudgments())) {
balanced = false;
}
}
}
return balanced;
}
/** @see computeScore() below */
protected String computeScore(ProposalTallyInterface tally, BigInteger amountOfJudges) {
return computeScore(tally, amountOfJudges, this.favorContestation, this.numerizeScore);
}
/**
* A higher score means a better rank. Assumes that grades' tallies are provided from "worst"
* grade to "best" grade.
*
* @param tally Holds the tallies of each Grade for a single Proposal
* @param amountOfJudges
* @param favorContestation Use the lower median, for example
* @param onlyNumbers Do not use separation characters, match `^[0-9]+$`
* @return the score of the proposal
*/
protected String computeScore(
ProposalTallyInterface tally,
BigInteger amountOfJudges,
Boolean favorContestation,
Boolean onlyNumbers) {
ProposalTallyAnalysis analysis = new ProposalTallyAnalysis();
int amountOfGrades = tally.getTally().length;
int digitsForGrade = countDigits(amountOfGrades);
int digitsForGroup = countDigits(amountOfJudges) + 1;
ProposalTallyInterface currentTally = tally.duplicate();
String score = "";
for (int i = 0; i < amountOfGrades; i++) {
analysis.reanalyze(currentTally, favorContestation);
if (0 < i && !onlyNumbers) {
score += "/";
}
score += String.format("%0" + digitsForGrade + "d", analysis.getMedianGrade());
if (!onlyNumbers) {
score += "_";
}
score +=
String.format(
"%0" + digitsForGroup + "d",
// We offset by amountOfJudges to keep a lexicographical order (no
// negatives)
// amountOfJudges + secondMedianGroupSize * secondMedianGroupSign
amountOfJudges.add(
analysis.getSecondMedianGroupSize()
.multiply(
BigInteger.valueOf(
analysis.getSecondMedianGroupSign()))));
currentTally.moveJudgments(analysis.getMedianGrade(), analysis.getSecondMedianGrade());
}
return score;
}
protected int countDigits(int number) {
return ("" + number).length();
}
protected int countDigits(BigInteger number) {
return ("" + number).length();
}
}

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src/main/java/fr/mieuxvoter/mj/MedianDefaultTally.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
/**
* Fill the missing judgments into the median grade of each proposal. Useful when the proposals have
* not received the exact same amount of votes and the median grade is considered a sane default.
*/
public class MedianDefaultTally extends DefaultGradeTally implements TallyInterface {
public MedianDefaultTally(TallyInterface tally) {
super(tally.getProposalsTallies(), tally.getAmountOfJudges());
fillWithDefaultGrade();
}
public MedianDefaultTally(
ProposalTallyInterface[] proposalsTallies, BigInteger amountOfJudges) {
super(proposalsTallies, amountOfJudges);
fillWithDefaultGrade();
}
public MedianDefaultTally(ProposalTallyInterface[] proposalsTallies, Long amountOfJudges) {
super(proposalsTallies, amountOfJudges);
fillWithDefaultGrade();
}
public MedianDefaultTally(ProposalTallyInterface[] proposalsTallies, Integer amountOfJudges) {
super(proposalsTallies, amountOfJudges);
fillWithDefaultGrade();
}
@Override
protected Integer getDefaultGradeForProposal(ProposalTallyInterface proposalTally) {
ProposalTallyAnalysis analysis = new ProposalTallyAnalysis(proposalTally);
return analysis.getMedianGrade();
}
}

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src/main/java/fr/mieuxvoter/mj/NormalizedTally.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
import java.security.InvalidParameterException;
/**
* The deliberator expects the proposals' tallies to hold the same amount of judgments. This
* NormalizedTally accepts tallies with disparate amounts of judgments per proposal, and normalizes
* them to their least common multiple, which amounts to using percentages, except we don't use
* floating-point arithmetic.
*
* <p>This is useful when there are too many proposals for judges to be expected to judge them all,
* and all the proposals received reasonably similar amounts of judgments.
*/
public class NormalizedTally extends Tally implements TallyInterface {
public NormalizedTally(ProposalTallyInterface[] proposalsTallies) {
super(proposalsTallies);
initializeFromProposalsTallies(proposalsTallies);
}
public NormalizedTally(TallyInterface tally) {
super(tally.getProposalsTallies());
initializeFromProposalsTallies(tally.getProposalsTallies());
}
protected void initializeFromProposalsTallies(ProposalTallyInterface[] proposalsTallies) {
Integer amountOfProposals = getAmountOfProposals();
// Compute the Least Common Multiple
BigInteger amountOfJudges = BigInteger.ONE;
for (ProposalTallyInterface proposalTally : proposalsTallies) {
amountOfJudges = lcm(amountOfJudges, proposalTally.getAmountOfJudgments());
}
if (0 == amountOfJudges.compareTo(BigInteger.ZERO)) {
throw new InvalidParameterException(
"Cannot normalize: one or more proposals have no judgments.");
}
// Normalize proposals to the LCM
ProposalTally[] normalizedTallies = new ProposalTally[amountOfProposals];
for (int i = 0; i < amountOfProposals; i++) {
ProposalTallyInterface proposalTally = proposalsTallies[i];
ProposalTally normalizedTally = new ProposalTally(proposalTally);
BigInteger factor = amountOfJudges.divide(proposalTally.getAmountOfJudgments());
Integer amountOfGrades = proposalTally.getTally().length;
BigInteger[] gradesTallies = normalizedTally.getTally();
for (int j = 0; j < amountOfGrades; j++) {
gradesTallies[j] = gradesTallies[j].multiply(factor);
}
normalizedTallies[i] = normalizedTally;
}
setProposalsTallies(normalizedTallies);
setAmountOfJudges(amountOfJudges);
}
/**
* Least Common Multiple
*
* <p>http://en.wikipedia.org/wiki/Least_common_multiple
*
* <p>lcm( 6, 9 ) = 18 lcm( 4, 9 ) = 36 lcm( 0, 9 ) = 0 lcm( 0, 0 ) = 0
*
* @author www.java2s.com
* @param a first integer
* @param b second integer
* @return least common multiple of a and b
*/
public static BigInteger lcm(BigInteger a, BigInteger b) {
if (a.signum() == 0 || b.signum() == 0) return BigInteger.ZERO;
return a.divide(a.gcd(b)).multiply(b).abs();
}
}

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src/main/java/fr/mieuxvoter/mj/ProposalResult.java Normal file
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package fr.mieuxvoter.mj;
public class ProposalResult implements ProposalResultInterface {
protected Integer rank;
protected String score;
protected ProposalTallyAnalysis analysis;
public Integer getRank() {
return rank;
}
public void setRank(Integer rank) {
this.rank = rank;
}
public String getScore() {
return score;
}
public void setScore(String score) {
this.score = score;
}
public ProposalTallyAnalysis getAnalysis() {
return analysis;
}
public void setAnalysis(ProposalTallyAnalysis analysis) {
this.analysis = analysis;
}
}

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src/main/java/fr/mieuxvoter/mj/ProposalResultInterface.java Normal file
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package fr.mieuxvoter.mj;
public interface ProposalResultInterface {
/**
* Rank starts at 1 ("best" proposal), and goes upwards. Multiple Proposals may receive the same
* rank, in the extreme case where they received the exact same judgments, or the same judgment
* repartition in normalized tallies.
*/
public Integer getRank();
/**
* This score was used to compute the rank. It is made of integer characters, with zeroes for
* padding. Inverse lexicographical order: "higher" is "better". You're probably never going to
* need this, but it's here anyway.
*/
public String getScore();
/** Get more data about the proposal tally, such as the median grade. */
public ProposalTallyAnalysis getAnalysis();
}

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src/main/java/fr/mieuxvoter/mj/ProposalTally.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
import java.util.Arrays;
public class ProposalTally implements ProposalTallyInterface {
/**
* Amounts of judgments received per grade, from "worst" grade to "best" grade. Those are
* BigIntegers because of our LCM-based normalization shenanigans.
*/
protected BigInteger[] tally;
public ProposalTally() {}
public ProposalTally(String[] tally) {
setTally(tally);
}
public ProposalTally(Integer[] tally) {
setTally(tally);
}
public ProposalTally(Long[] tally) {
setTally(tally);
}
public ProposalTally(BigInteger[] tally) {
setTally(tally);
}
public ProposalTally(ProposalTallyInterface proposalTally) {
setTally(Arrays.copyOf(proposalTally.getTally(), proposalTally.getTally().length));
}
public void setTally(String[] tally) {
int tallyLength = tally.length;
BigInteger[] bigTally = new BigInteger[tallyLength];
for (int i = 0; i < tallyLength; i++) {
bigTally[i] = new BigInteger(tally[i]);
}
setTally(bigTally);
}
public void setTally(Integer[] tally) {
int tallyLength = tally.length;
BigInteger[] bigTally = new BigInteger[tallyLength];
for (int i = 0; i < tallyLength; i++) {
bigTally[i] = BigInteger.valueOf(tally[i]);
}
setTally(bigTally);
}
public void setTally(Long[] tally) {
int tallyLength = tally.length;
BigInteger[] bigTally = new BigInteger[tallyLength];
for (int i = 0; i < tallyLength; i++) {
bigTally[i] = BigInteger.valueOf(tally[i]);
}
setTally(bigTally);
}
public void setTally(BigInteger[] tally) {
this.tally = tally;
}
@Override
public BigInteger[] getTally() {
return this.tally;
}
@Override
public ProposalTallyInterface duplicate() {
return new ProposalTally(Arrays.copyOf(this.tally, this.tally.length));
}
@Override
public void moveJudgments(Integer fromGrade, Integer intoGrade) {
this.tally[intoGrade] = this.tally[intoGrade].add(this.tally[fromGrade]);
this.tally[fromGrade] = BigInteger.ZERO;
}
@Override
public BigInteger getAmountOfJudgments() {
BigInteger sum = BigInteger.ZERO;
int tallyLength = this.tally.length;
for (int i = 0; i < tallyLength; i++) {
sum = sum.add(this.tally[i]);
}
return sum;
}
}

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src/main/java/fr/mieuxvoter/mj/ProposalTallyAnalysis.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
/**
* Collect useful data on a proposal tally. Does NOT compute the rank, but provides all we need.
*
* <p>This uses BigInteger because in a normalization scenario we use the smallest common multiple
* of the amounts of judges of proposals. It makes the code harder to read and understand, but it
* allows us to bypass the floating-point nightmare of the normalization of merit profiles, which is
* one way to handle default grades on some polls.
*/
public class ProposalTallyAnalysis {
protected ProposalTallyInterface tally;
protected BigInteger totalSize = BigInteger.ZERO; // amount of judges
protected Integer medianGrade = 0;
protected BigInteger medianGroupSize = BigInteger.ZERO; // amount of judges in the median group
protected Integer contestationGrade = 0; // "best" grade of the contestation group
protected BigInteger contestationGroupSize = BigInteger.ZERO; // of lower grades than median
protected Integer adhesionGrade = 0; // "worst" grade of the adhesion group
protected BigInteger adhesionGroupSize = BigInteger.ZERO; // of higher grades than median
protected Integer secondMedianGrade = 0; // grade of the biggest group out of the median
protected BigInteger secondMedianGroupSize = BigInteger.ZERO; // either contestation or adhesion
protected Integer secondMedianGroupSign =
0; // -1 for contestation, +1 for adhesion, 0 for empty group size
public ProposalTallyAnalysis() {}
public ProposalTallyAnalysis(ProposalTallyInterface tally) {
reanalyze(tally);
}
public ProposalTallyAnalysis(ProposalTallyInterface tally, Boolean favorContestation) {
reanalyze(tally, favorContestation);
}
public void reanalyze(ProposalTallyInterface tally) {
reanalyze(tally, true);
}
public void reanalyze(ProposalTallyInterface tally, Boolean favorContestation) {
this.tally = tally;
this.totalSize = BigInteger.ZERO;
this.medianGrade = 0;
this.medianGroupSize = BigInteger.ZERO;
this.contestationGrade = 0;
this.contestationGroupSize = BigInteger.ZERO;
this.adhesionGrade = 0;
this.adhesionGroupSize = BigInteger.ZERO;
this.secondMedianGrade = 0;
this.secondMedianGroupSize = BigInteger.ZERO;
this.secondMedianGroupSign = 0;
BigInteger[] gradesTallies = this.tally.getTally();
int amountOfGrades = gradesTallies.length;
for (int grade = 0; grade < amountOfGrades; grade++) {
BigInteger gradeTally = gradesTallies[grade];
// assert(0 <= gradeTally); // Negative tallies are not allowed.
this.totalSize = this.totalSize.add(gradeTally);
}
Integer medianOffset = 1;
if (!favorContestation) {
medianOffset = 2;
}
BigInteger medianCursor =
this.totalSize.add(BigInteger.valueOf(medianOffset)).divide(BigInteger.valueOf(2));
// Long medianCursor = (long) Math.floor((this.totalSize + medianOffset) / 2.0);
BigInteger tallyBeforeCursor = BigInteger.ZERO;
BigInteger tallyCursor = BigInteger.ZERO;
Boolean foundMedian = false;
Integer contestationGrade = 0;
Integer adhesionGrade = 0;
for (int grade = 0; grade < amountOfGrades; grade++) {
BigInteger gradeTally = gradesTallies[grade];
tallyBeforeCursor = tallyCursor;
tallyCursor = tallyCursor.add(gradeTally);
if (!foundMedian) {
if (-1 < tallyCursor.compareTo(medianCursor)) { // tallyCursor >= medianCursor
foundMedian = true;
this.medianGrade = grade;
this.contestationGroupSize = tallyBeforeCursor;
this.medianGroupSize = gradeTally;
this.adhesionGroupSize =
this.totalSize
.subtract(this.contestationGroupSize)
.subtract(this.medianGroupSize);
} else {
if (1 == gradeTally.compareTo(BigInteger.ZERO)) { // 0 < gradeTally
contestationGrade = grade;
}
}
} else {
if (1 == gradeTally.compareTo(BigInteger.ZERO) && 0 == adhesionGrade) {
adhesionGrade = grade;
}
}
}
this.contestationGrade = contestationGrade;
this.adhesionGrade = adhesionGrade;
this.secondMedianGroupSize = this.contestationGroupSize.max(this.adhesionGroupSize);
this.secondMedianGroupSign = 0;
// if (this.contestationGroupSize < this.adhesionGroupSize) {
if (1 == this.adhesionGroupSize.compareTo(this.contestationGroupSize)) {
this.secondMedianGrade = this.adhesionGrade;
this.secondMedianGroupSign = 1;
// } else if (this.contestationGroupSize > this.adhesionGroupSize) {
} else if (1 == this.contestationGroupSize.compareTo(this.adhesionGroupSize)) {
this.secondMedianGrade = this.contestationGrade;
this.secondMedianGroupSign = -1;
} else {
if (favorContestation) {
this.secondMedianGrade = this.contestationGrade;
this.secondMedianGroupSign = -1;
} else {
this.secondMedianGrade = this.adhesionGrade;
this.secondMedianGroupSign = 1;
}
}
if (0 == this.secondMedianGroupSize.compareTo(BigInteger.ZERO)) {
this.secondMedianGroupSign = 0;
}
}
public BigInteger getTotalSize() {
return totalSize;
}
public Integer getMedianGrade() {
return medianGrade;
}
public BigInteger getMedianGroupSize() {
return medianGroupSize;
}
public Integer getContestationGrade() {
return contestationGrade;
}
public BigInteger getContestationGroupSize() {
return contestationGroupSize;
}
public Integer getAdhesionGrade() {
return adhesionGrade;
}
public BigInteger getAdhesionGroupSize() {
return adhesionGroupSize;
}
public Integer getSecondMedianGrade() {
return secondMedianGrade;
}
public BigInteger getSecondMedianGroupSize() {
return secondMedianGroupSize;
}
public Integer getSecondMedianGroupSign() {
return secondMedianGroupSign;
}
}

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src/main/java/fr/mieuxvoter/mj/ProposalTallyInterface.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
/**
* Also known as the merit profile of a proposal (aka. candidate), this holds the amounts of
* judgments received per grade.
*/
public interface ProposalTallyInterface {
/**
* The tallies of each Grade, that is the amount of judgments received for each Grade by the
* Proposal, from "worst" ("most conservative") Grade to "best" Grade.
*/
public BigInteger[] getTally();
/**
* Should be the sum of getTally()
*
* @return The total amount of judgments received by this proposal.
*/
public BigInteger getAmountOfJudgments();
/** Homemade factory to skip the clone() shenanigans. Used by the score calculus. */
public ProposalTallyInterface duplicate();
/** Move judgments that were fromGrade into intoGrade. Used by the score calculus. */
public void moveJudgments(Integer fromGrade, Integer intoGrade);
}

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src/main/java/fr/mieuxvoter/mj/Result.java Normal file
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package fr.mieuxvoter.mj;
public class Result implements ResultInterface {
protected ProposalResultInterface[] proposalResults;
public ProposalResultInterface[] getProposalResults() {
return proposalResults;
}
public void setProposalResults(ProposalResultInterface[] proposalResults) {
this.proposalResults = proposalResults;
}
}

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src/main/java/fr/mieuxvoter/mj/ResultInterface.java Normal file
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package fr.mieuxvoter.mj;
public interface ResultInterface {
/**
* ProposalResults are not ordered by rank, they are in the order the proposals' tallies were
* submitted.
*
* @return an array of `ProposalResult`, in the order the `ProposalTally`s were submitted.
*/
public ProposalResultInterface[] getProposalResults();
}

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src/main/java/fr/mieuxvoter/mj/StaticDefaultTally.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
public class StaticDefaultTally extends DefaultGradeTally implements TallyInterface {
/**
* Grades are represented as numbers, as indices in a list. Grades start from 0 ("worst" grade,
* most conservative) and go upwards. Values out of the range of grades defined in the tally
* will yield errors.
*
* <p>Example:
*
* <p>0 == REJECT 1 == PASSABLE 2 == GOOD 3 == EXCELLENT
*/
protected Integer defaultGrade = 0;
public StaticDefaultTally(TallyInterface tally, Integer defaultGrade) {
super(tally.getProposalsTallies(), tally.getAmountOfJudges());
this.defaultGrade = defaultGrade;
fillWithDefaultGrade();
}
public StaticDefaultTally(
ProposalTallyInterface[] proposalsTallies,
BigInteger amountOfJudges,
Integer defaultGrade) {
super(proposalsTallies, amountOfJudges);
this.defaultGrade = defaultGrade;
fillWithDefaultGrade();
}
public StaticDefaultTally(
ProposalTallyInterface[] proposalsTallies, Long amountOfJudges, Integer defaultGrade) {
super(proposalsTallies, amountOfJudges);
this.defaultGrade = defaultGrade;
fillWithDefaultGrade();
}
public StaticDefaultTally(
ProposalTallyInterface[] proposalsTallies,
Integer amountOfJudges,
Integer defaultGrade) {
super(proposalsTallies, amountOfJudges);
this.defaultGrade = defaultGrade;
fillWithDefaultGrade();
}
@Override
protected Integer getDefaultGradeForProposal(ProposalTallyInterface proposalTally) {
return this.defaultGrade;
}
}

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src/main/java/fr/mieuxvoter/mj/Tally.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
/**
* A Basic implementation of a TallyInterface that reads from an array of ProposalTallyInterface.
*/
public class Tally implements TallyInterface {
protected ProposalTallyInterface[] proposalsTallies;
protected BigInteger amountOfJudges = BigInteger.ZERO;
public Tally(ProposalTallyInterface[] proposalsTallies) {
setProposalsTallies(proposalsTallies);
guessAmountOfJudges();
}
public Tally(ProposalTallyInterface[] proposalsTallies, BigInteger amountOfJudges) {
setProposalsTallies(proposalsTallies);
setAmountOfJudges(amountOfJudges);
}
public Tally(ProposalTallyInterface[] proposalsTallies, Long amountOfJudges) {
setProposalsTallies(proposalsTallies);
setAmountOfJudges(BigInteger.valueOf(amountOfJudges));
}
public Tally(ProposalTallyInterface[] proposalsTallies, Integer amountOfJudges) {
setProposalsTallies(proposalsTallies);
setAmountOfJudges(BigInteger.valueOf(amountOfJudges));
}
public ProposalTallyInterface[] getProposalsTallies() {
return proposalsTallies;
}
public void setProposalsTallies(ProposalTallyInterface[] proposalsTallies) {
this.proposalsTallies = proposalsTallies;
}
public Integer getAmountOfProposals() {
return proposalsTallies.length;
}
public BigInteger getAmountOfJudges() {
return amountOfJudges;
}
public void setAmountOfJudges(BigInteger amountOfJudges) {
this.amountOfJudges = amountOfJudges;
}
protected void guessAmountOfJudges() {
BigInteger amountOfJudges = BigInteger.ZERO;
for (ProposalTallyInterface proposalTally : getProposalsTallies()) {
amountOfJudges = proposalTally.getAmountOfJudgments().max(amountOfJudges);
}
setAmountOfJudges(amountOfJudges);
}
}

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src/main/java/fr/mieuxvoter/mj/TallyInterface.java Normal file
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package fr.mieuxvoter.mj;
import java.math.BigInteger;
public interface TallyInterface {
public ProposalTallyInterface[] getProposalsTallies();
public BigInteger getAmountOfJudges();
public Integer getAmountOfProposals();
}

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src/main/java/fr/mieuxvoter/mj/UnbalancedTallyException.java Normal file
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package fr.mieuxvoter.mj;
/**
* Raised when the provided tally does not hold the same amount of judgments for each proposal, and
* normalization is required.
*/
class UnbalancedTallyException extends InvalidTallyException {
private static final long serialVersionUID = 5041093000505081735L;
@Override
public String getMessage() {
return ("The provided tally is unbalanced, as some proposals received more judgments than"
+ " others. \n"
+ "You need to set a strategy for balancing tallies. To that effect, \n"
+ "you may use StaticDefaultTally, MedianDefaultTally, or NormalizedTally"
+ " instead of Tally. \n"
+ (null == super.getMessage() ? "" : super.getMessage()));
}
}