ServiceRequest.java

package org.drip.zen.grid;

import java.time.Instant;
import java.util.Date;
import java.util.UUID;

public class ServiceRequest {
    private UUID _id = null;
    private Date _timeStamp = null;
    private String _type = "";
    private String _body = "";

    public static ServiceRequest CreateFromString (
        String request)
    {
        String[] requestFields = request.split ("@");

        return new ServiceRequest (
            UUID.fromString (requestFields[0]),
            Date.from (Instant.ofEpochMilli (Long.parseLong (requestFields[1]))),
            requestFields[2],
            requestFields[3]
        );
    }

    public static ServiceRequest Create (
        String type,
        String body)
    {
        return new ServiceRequest (
            UUID.randomUUID(),
            new Date(),
            type,
            body
        );
    }

    public ServiceRequest (
        UUID id,
        Date timeStamp,
        String type,
        String body)
    {
        _id = id;
        _type = type;
        _body = body;
        _timeStamp = timeStamp;
    }

    public UUID id()
    {
        return _id;
    }

    public Date timeStamp()
    {
        return _timeStamp;
    }

    public String type()
    {
        return _type;
    }

    public String body()
    {
        return _body;
    }

    public String display()
    {
        return _id.toString() + "|" + _timeStamp.toString() + "|" + _type + "|" + _body;
    }

    public String toString()
    {
        return _id.toString() + "@" + _timeStamp.toInstant().toEpochMilli() + "@" + _type + "@" + _body;
    }

    public static void main (
        String[] input)
    {
        String serviceType = "SSRN";
        String serviceInput = "JQP";

        ServiceRequest sr = ServiceRequest.Create (
            serviceType,
            serviceInput
        );

        System.out.println (sr.display());

        String serviceRequestString = sr.toString();

        System.out.println (serviceRequestString);

        ServiceRequest srUnpack = ServiceRequest.CreateFromString (serviceRequestString);

        System.out.println (srUnpack.display());
    }
}