package eu.eudat.migration.entities;

import javax.persistence.*;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;

@Entity
@Table(name = "research_domains")
public class ResearchDomain {

  @Id
  private Long id;
  private String identifier;
  private String label;
  @OneToMany(fetch = FetchType.EAGER)
  @JoinColumn(name = "parent_id")
  private Set<ResearchDomain> subFields = new HashSet<>();
  @Column(name = "created_at")
  @Temporal(TemporalType.TIMESTAMP)
  private Date createdAt;
  @Column(name = "updated_at")
  @Temporal(TemporalType.TIMESTAMP)
  private Date updatedAt;

  @Override
  public String toString() {
    return "ResearchDomain{" +
            "id=" + id +
            ", identifier='" + identifier + '\'' +
            ", label='" + label + '\'' +
            ", subFields=" + subFields +
            ", createdAt=" + createdAt +
            ", updatedAt=" + updatedAt +
            '}';
  }

  public Long getId() {
    return id;
  }

  public void setId(Long id) {
    this.id = id;
  }

  public String getIdentifier() {
    return identifier;
  }

  public void setIdentifier(String identifier) {
    this.identifier = identifier;
  }

  public String getLabel() {
    return label;
  }

  public void setLabel(String label) {
    this.label = label;
  }

  public Set<ResearchDomain> getSubFields() {
    return subFields;
  }

  public void setSubFields(Set<ResearchDomain> subFields) {
    this.subFields = subFields;
  }

  public Date getCreatedAt() {
    return createdAt;
  }

  public void setCreatedAt(Date createdAt) {
    this.createdAt = createdAt;
  }

  public Date getUpdatedAt() {
    return updatedAt;
  }

  public void setUpdatedAt(Date updatedAt) {
    this.updatedAt = updatedAt;
  }
}