Operation.java

package io.github.jhipster.sample.domain;

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

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

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

    private static final long serialVersionUID = 1L;

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

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

    @Column(name = "description")
    private String description;

    @NotNull
    @Column(name = "amount", precision=10, scale=2, nullable = false)
    private BigDecimal amount;

    @ManyToOne
    private BankAccount bankAccount;

    @ManyToMany
    @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
    @JoinTable(name = "operation_label",
               joinColumns = @JoinColumn(name="operations_id", referencedColumnName="id"),
               inverseJoinColumns = @JoinColumn(name="labels_id", referencedColumnName="id"))
    private Set<Label> labels = new HashSet<>();

    public Long getId() {
        return id;
    }

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

    public Instant getDate() {
        return date;
    }

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

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public BigDecimal getAmount() {
        return amount;
    }

    public void setAmount(BigDecimal amount) {
        this.amount = amount;
    }

    public BankAccount getBankAccount() {
        return bankAccount;
    }

    public void setBankAccount(BankAccount bankAccount) {
        this.bankAccount = bankAccount;
    }

    public Set<Label> getLabels() {
        return labels;
    }

    public void setLabels(Set<Label> labels) {
        this.labels = labels;
    }

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

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

    @Override
    public String toString() {
        return "Operation{" +
            "id=" + getId() +
            ", date='" + getDate() + "'" +
            ", description='" + getDescription() + "'" +
            ", amount='" + getAmount() + "'" +
            "}";
    }
}