<?php

namespace demo\Structural\DependencyInjection;

/**
 * 数据库配置
 */
class DatabaseConfiguration
{
    /**
     * @var string
     */
    private $host;
    
    /**
     * @var int
     */
    private $port;
    
    /**
     * @var string
     */
    private $username;
    
    /**
     * @var string
     */
    private $password;
    
    public function __construct(string $host, int $port, string $username, string $password)
    {
        $this->host     = $host;
        $this->port     = $port;
        $this->username = $username;
        $this->password = $password;
    }
    
    public function getHost() : string
    {
        return $this->host;
    }
    
    public function getPort() : int
    {
        return $this->port;
    }
    
    public function getUsername() : string
    {
        return $this->username;
    }
    
    public function getPassword() : string
    {
        return $this->password;
    }
}