Java tutorial
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However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package onl.identitas.identity.ejb.entities; import java.io.Serializable; import java.time.LocalDate; import java.time.LocalTime; import java.util.LinkedList; import java.util.List; import javax.persistence.CascadeType; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; import javax.persistence.NamedQueries; import javax.persistence.NamedQuery; import javax.persistence.OneToMany; import javax.persistence.Table; import javax.persistence.Temporal; import javax.persistence.TemporalType; import javax.persistence.UniqueConstraint; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; import org.apache.commons.lang3.builder.ToStringBuilder; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import static java.util.Collections.emptyList; import static java.util.Collections.unmodifiableList; /** * @author Dr. Spock (spock at dev.java.net) */ @Entity @Table(name = "sprints", uniqueConstraints = @UniqueConstraint(columnNames = { "name", "project_id" })) @NamedQueries({ @NamedQuery(name = "sprint.countByNameAndProject", query = "select count(s) from Sprint as s where s.name = :name and s.project = :project and not(s = :currentSprint)"), @NamedQuery(name = "sprint.new.countByNameAndProject", query = "select count(s) from Sprint as s where s.name = :name and s.project = :project") }) public class Sprint extends AbstractEntity implements Serializable { private static final long serialVersionUID = 1L; private static final Logger LOG = LogManager.getLogger(); @Column(nullable = false) private String name; private String goals; @Temporal(TemporalType.DATE) @Column(name = "start_date", nullable = false) private LocalDate startDate; @Temporal(TemporalType.DATE) @Column(name = "end_date") private LocalDate endDate; @Column(name = "iteration_scope") private int iterationScope; @Column(name = "gained_story_points") private int gainedStoryPoints; @Temporal(TemporalType.TIME) @Column(name = "daily_meeting_time") private LocalTime dailyMeetingTime; @OneToMany(mappedBy = "sprint", cascade = CascadeType.ALL) private List<Story> stories; @ManyToOne @JoinColumn(name = "project_id") private Project project; public Sprint() { this.startDate = LocalDate.now(); } public Sprint(String name) { this(); this.name = name; } public Sprint(String name, Project project) { this(name); this.project = project; } @SprintNameUniquenessConstraint public String getName() { return name; } public void setName(String name) { this.name = name; } public String getGoals() { return goals; } public void setGoals(String goals) { this.goals = goals; } public LocalDate getStartDate() { return startDate; } public void setStartDate(LocalDate startDate) { this.startDate = startDate; } public LocalDate getEndDate() { return endDate; } public void setEndDate(LocalDate endDate) { this.endDate = endDate; } public int getIterationScope() { return iterationScope; } public void setIterationScope(int iterationScope) { this.iterationScope = iterationScope; } public int getGainedStoryPoints() { return gainedStoryPoints; } public void setGainedStoryPoints(int gainedStoryPoints) { this.gainedStoryPoints = gainedStoryPoints; } public LocalTime getDailyMeetingTime() { return dailyMeetingTime; } public void setDailyMeetingTime(LocalTime dailyMeetingTime) { this.dailyMeetingTime = dailyMeetingTime; } public List<Story> getStories() { return (stories != null) ? unmodifiableList(stories) : emptyList(); } public boolean addStory(Story story) { LOG.entry(story); if (stories == null) { stories = new LinkedList<>(); } if (!stories.contains(story)) { story.setSprint(this); stories.add(story); return LOG.exit(true); } else { return LOG.exit(false); } } public boolean removeStory(Story story) { LOG.entry(story); if (stories != null && stories.remove(story)) { story.setSprint(null); return LOG.exit(true); } else { return LOG.exit(false); } } public Project getProject() { return project; } void setProject(Project project) { this.project = project; } @Override @SuppressWarnings("EqualsWhichDoesntCheckParameterClass") public boolean equals(Object obj) { return EqualsBuilder.reflectionEquals(this, obj); } @Override public int hashCode() { return HashCodeBuilder.reflectionHashCode(this); } @Override public String toString() { return ToStringBuilder.reflectionToString(this); } }