Payment.java

package com.ericliudeveloper.sharedbillhelper.model;

/**
 * Created by liu on 16/06/15.
 */
public class Payment {

    private final String payment_info_serial_number;
    private final long bill_id;
    private final long payee_id;
    private final int payee_days;
    private final String payee_start_date;
    private final String payee_end_date;
    private final double payee_amount;



    public static class Builder {
        private String payment_info_serial_number;
        private long bill_id;
        private long payee_id;
        private int payee_days;
        private String payee_start_date;
        private String payee_end_date;
        private double payee_amount;

        public Builder(String payment_info_serial_number, long bill_id,
                       long payee_id) {
            this.payment_info_serial_number = payment_info_serial_number;
            this.bill_id = bill_id;
            this.payee_id = payee_id;
        }


        public Builder payeeDays(int days){
            this.payee_days = days;
            return this;
        }

        public Builder payeeStartDate(String date){
            this.payee_start_date = date;
            return this;
        }

        public Builder payeeEndDate(String date){
            this.payee_end_date = date;
            return this;
        }

        public Builder payee_amount(double amount){
            this.payee_amount = amount;
            return this;
        }

        public Payment build() {

            return new Payment(this);
        }


    }


    private Payment(Builder builder){
        this.payment_info_serial_number = builder.payment_info_serial_number;
        this.bill_id = builder.bill_id;
        this.payee_id = builder.payee_id;
        this.payee_days = builder.payee_days;
        this.payee_start_date = builder.payee_start_date;
        this.payee_end_date = builder.payee_end_date;
        this.payee_amount = builder.payee_amount;
    }


    public String getPayment_info_serial_number() {
        return payment_info_serial_number;
    }

    public long getBill_id() {
        return bill_id;
    }

    public long getPayee_id() {
        return payee_id;
    }

    public int getPayee_days() {
        return payee_days;
    }

    public String getPayee_start_date() {
        return payee_start_date;
    }

    public String getPayee_end_date() {
        return payee_end_date;
    }

    public double getPayee_amount() {
        return payee_amount;
    }
}