Label.java

package io.github.jhipster.sample.domain;

import com.fasterxml.jackson.annotation.JsonIgnore;
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;

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

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

    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    @NotNull
    @Size(min = 3)
    @Column(name = "jhi_label", nullable = false)
    private String label;

    @ManyToMany(mappedBy = "labels")
    @JsonIgnore
    @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
    private Set<Operation> operations = new HashSet<>();

    public Long getId() {
        return id;
    }

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

    public String getLabel() {
        return label;
    }

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

    public Set<Operation> getOperations() {
        return operations;
    }

    public void setOperations(Set<Operation> operations) {
        this.operations = operations;
    }

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

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

    @Override
    public String toString() {
        return "Label{" +
            "id=" + getId() +
            ", label='" + getLabel() + "'" +
            "}";
    }
}