PhoneContact.java

package com.example.model;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

import org.springframework.beans.factory.annotation.Required;

import com.google.common.base.Strings;

@Entity
@Table(name = "phone_contact")
public class PhoneContact extends BaseObject {

    private static final long serialVersionUID = 3614259347370445202L;

    private Long id;
    private Customer customer;
    private String phoneNumber;
    private String phoneExtention;
    private PhoneType phoneType;

    public PhoneContact() {
        super();
    }

    public PhoneContact(PhoneType phoneType, String phoneNumber) {
        super();
        this.phoneType = phoneType;
        this.phoneNumber = phoneNumber;
    }

    public PhoneContact(PhoneType phoneType, String phoneNumber, String phoneExtention) {
        super();
        this.phoneType = phoneType;
        this.phoneNumber = phoneNumber;
        if (!Strings.isNullOrEmpty(phoneExtention)) {
            this.phoneExtention = phoneExtention;
        }
    }

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    public Long getId() {
        return id;
    }

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

    @ManyToOne
    @Required
    public Customer getCustomer() {
        return customer;
    }

    public void setCustomer(Customer customer) {
        if (this.customer != null && !this.customer.equals(customer)) {
            throw new RuntimeException("Invalid state: Customer cannot be changed on an existing PhoneContact");
        }
        this.customer = customer;
    }

    @Column(name = "phone_number", length = 20)
    @Required
    public String getPhoneNumber() {
        return phoneNumber;
    }

    public void setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
    }

    @Column(name = "phone_extention", length = 10)
    public String getPhoneExtention() {
        return phoneExtention;
    }

    public void setPhoneExtention(String phoneExtention) {
        this.phoneExtention = phoneExtention;
    }

    @Enumerated(EnumType.STRING)
    @Column(name = "phone_type", length = 10)
    @Required
    public PhoneType getPhoneType() {
        return phoneType;
    }

    public void setPhoneType(PhoneType phoneType) {
        this.phoneType = phoneType;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((customer == null) ? 0 : customer.hashCode());
        result = prime * result + ((phoneExtention == null) ? 0 : phoneExtention.hashCode());
        result = prime * result + ((phoneNumber == null) ? 0 : phoneNumber.hashCode());
        result = prime * result + ((phoneType == null) ? 0 : phoneType.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        PhoneContact other = (PhoneContact) obj;
        if (customer == null) {
            if (other.customer != null)
                return false;
        } else if (!customer.equals(other.customer))
            return false;
        if (phoneExtention == null) {
            if (other.phoneExtention != null)
                return false;
        } else if (!phoneExtention.equals(other.phoneExtention))
            return false;
        if (phoneNumber == null) {
            if (other.phoneNumber != null)
                return false;
        } else if (!phoneNumber.equals(other.phoneNumber))
            return false;
        if (phoneType != other.phoneType)
            return false;
        return true;
    }

    @Override
    public String toString() {
        return "PhoneContact [id=" + id + ", customer=" + (customer == null ? "null" : customer.getCustomerNumber()) + ", phoneNumber="
                + phoneNumber + ", phoneExtention=" + phoneExtention + ", phoneType=" + phoneType + "]";
    }
}