Entry.java

package org.jhipster.domain;

import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;

import javax.persistence.*;
import javax.validation.constraints.*;
import java.io.Serializable;
import java.time.ZonedDateTime;
import java.util.HashSet;
import java.util.Set;
import java.util.Objects;

/**
 * A Entry.
 */
@Entity
@Table(name = "entry")
@Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
public class Entry implements Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "sequenceGenerator")
    @SequenceGenerator(name = "sequenceGenerator")
    private Long id;

    @NotNull
    @Column(name = "title", nullable = false)
    private String title;

    @NotNull
    @Lob
    @Column(name = "content", nullable = false)
    private String content;

    @NotNull
    @Column(name = "date", nullable = false)
    private ZonedDateTime date;

    @ManyToOne
    private Blog blog;

    @ManyToMany
    @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
    @JoinTable(name = "entry_tag",
               joinColumns = @JoinColumn(name="entries_id", referencedColumnName="id"),
               inverseJoinColumns = @JoinColumn(name="tags_id", referencedColumnName="id"))
    private Set<Tag> tags = new HashSet<>();

    public Long getId() {
        return id;
    }

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

    public String getTitle() {
        return title;
    }

    public Entry title(String title) {
        this.title = title;
        return this;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getContent() {
        return content;
    }

    public Entry content(String content) {
        this.content = content;
        return this;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public ZonedDateTime getDate() {
        return date;
    }

    public Entry date(ZonedDateTime date) {
        this.date = date;
        return this;
    }

    public void setDate(ZonedDateTime date) {
        this.date = date;
    }

    public Blog getBlog() {
        return blog;
    }

    public Entry blog(Blog blog) {
        this.blog = blog;
        return this;
    }

    public void setBlog(Blog blog) {
        this.blog = blog;
    }

    public Set<Tag> getTags() {
        return tags;
    }

    public Entry tags(Set<Tag> tags) {
        this.tags = tags;
        return this;
    }

    public Entry addTag(Tag tag) {
        this.tags.add(tag);
        tag.getEntries().add(this);
        return this;
    }

    public Entry removeTag(Tag tag) {
        this.tags.remove(tag);
        tag.getEntries().remove(this);
        return this;
    }

    public void setTags(Set<Tag> tags) {
        this.tags = tags;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        Entry entry = (Entry) o;
        if (entry.id == null || id == null) {
            return false;
        }
        return Objects.equals(id, entry.id);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(id);
    }

    @Override
    public String toString() {
        return "Entry{" +
            "id=" + id +
            ", title='" + title + "'" +
            ", content='" + content + "'" +
            ", date='" + date + "'" +
            '}';
    }
}