Member.php

<?php

namespace Staff\Entity;

class Member
{
    const IMAGE_BASE_PATH = '/img/staff';

    protected $id;
    protected $name;
    protected $imagePath;
    protected $description;
    protected $rank;

    public function getId()
    {
        return $this->id;
    }

    public function getName()
    {
        return $this->name;
    }

    public function getImagePath()
    {
        return $this->imagePath;
    }

    public function getFullImagePath()
    {
        if (!$this->imagePath) {
            return null;
        }

        return static::IMAGE_BASE_PATH . '/' . $this->imagePath;
    }

    public function getDescription()
    {
        return $this->description;
    }

    public function getRank()
    {
        return $this->rank;
    }

    public function setId($id)
    {
        $this->id = $id;
    }

    public function setName($name)
    {
        $this->name = $name;
    }

    public function setImagePath($path)
    {
        $this->imagePath = $path;
    }

    public function setDescription($description)
    {
        $this->description = $description;
    }

    public function setRank(Rank $rank)
    {
        $this->rank = $rank;
    }
}

Rank.php

<?php

namespace Staff\Entity;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;

class Rank
{
    protected $id;
    protected $title;
    protected $members;

    public function __construct()
    {
        $this->members = new ArrayCollection;
    }

    public function setId($id)
    {
        $this->id = $id;
    }

    public function getId()
    {
        return $this->id;
    }

    public function setTitle($title)
    {
        $this->title = $title;
    }

    public function getTitle()
    {
        return $this->title;
    }

    public function getMembers()
    {
        return $this->members;
    }

    public function setMembers(Collection $members)
    {
        $this->members = $members;
    }
}

Staff.Entity.Member.dcm.yml

Staff\Entity\Member:
    type: entity
    repositoryClass: Staff\Repository\Member
    id:
        id:
            type: integer
            generator: { strategy: AUTO }
    indexes:
        rank_index:
            columns: [ name ]
    fields:
        name:
            type: string
            length: 150
        imagePath:
            type: string
            length: 350
            nullable: true
        description:
            type: text
    manyToOne:
        rank:
            targetEntity: Staff\Entity\Rank
            inversedBy: members
            joinColumn:
                name: rank_id
                referencedColumnName: id

Staff.Entity.Rank.dcm.yml

Staff\Entity\Rank:
    type: entity
    repositoryClass: Staff\Repository\Rank
    id:
        id:
            type: integer
            generator: { strategy: AUTO }
    indexes:
        title_id:
            columns: [ title, id ]
    fields:
        title:
            type: string
            length: 200
    oneToMany:
        members:
            targetEntity: Staff\Entity\Member
            mappedBy: rank