Option.php

<?php

namespace Colibri\Bundle\ProductBundle\Model\Option;

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

/**
 * Product option model.
 * 
 * @author Marcos Passos <marcos@marcospassos.com>
 */
abstract class Option implements OptionInterface
{
    /**
     * @var string
     */
    protected $name;

    /**
     * @var string
     */
    protected $presentation;

    /**
     * @var Collection of OptionChoiceInterface
     */
    protected $choices;

    /**
     * Constructor.
     */
    public function __construct()
    {
        $this->choices = new ArrayCollection();
    }

    /**
     * {@inheritDoc}
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * {@inheritDoc}
     */
    public function setName($name)
    {
        $this->name = $name;
    }

    /**
     * {@inheritDoc}
     */
    public function getPresentation()
    {
        return $this->presentation;
    }

    /**
     * {@inheritDoc}
     */
    public function setPresentation($presentation)
    {
        $this->presentation = $presentation;
    }

    /**
     * {@inheritdoc}
     */
    public function getChoices()
    {
        return $this->choices;
    }

    /**
     * {@inheritdoc}
     */
    public function setChoices(Collection $choices)
    {
        $this->choices = $choices;
    }

    /**
     * {@inheritdoc}
     */
    public function addChoice(OptionChoiceInterface $choice)
    {
        if (!$this->hasChoice($choice)) {
            $choice->setOption($this);

            return $this->choices->add($choice);
        }

        return false;
    }

    /**
     * {@inheritdoc}
     */
    public function removeChoice(OptionChoiceInterface $choice)
    {
        if ($this->hasChoice($choice)) {
            $return = $this->choices->removeElement($choice);
            $choice->setOption(null);

            return $return;
        }

        return false;
    }

    /**
     * {@inheritdoc}
     */
    public function hasChoice(OptionChoiceInterface $choice)
    {
        return $this->choices->contains($choice);
    }
}

OptionEntity.php

<?php

namespace Colibri\Bundle\ProductBundle\Entity\Option;

use Colibri\Bundle\ProductBundle\Model\Option\Option as BaseOption;

/**
 * Option mapped superclass.
 * 
 * @author Marcos Passos <marcos@marcospassos.com>
 */
abstract class Option extends BaseOption
{
    /**
     * @var int
     */
    protected $id;

    /**
     * {@inheritDoc}
     */
    public function getId()
    {
        return $this->id;
    }
}

OptionNumberEntity.php

<?php

namespace Colibri\Bundle\ProductBundle\Entity\Option;

use Colibri\Bundle\ProductBundle\Model\Option\OptionNumberInterface;

/**
 * Number option entity.
 * 
 * @author Marcos Passos <marcos@marcospassos.com>
 */
class OptionNumber extends Option implements OptionNumberInterface
{
    /**
     * @var number
     */
    protected $defaultValue;

    /**
     * @var boolean
     */
    protected $wholeNumbersOnly;

    /**
     * @var number
     */
    protected $lowestValue;

    /**
     * @var number
     */
    protected $highestValue;

    /**
     * Constructor.
     */
    public function __construct()
    {
        $this->wholeNumbersOnly = false;
    }

    /**
     * {@inheritDoc}
     */
    public static function getType()
    {
        return 'number';
    }

    /**
     * {@inheritDoc}
     */
    public function getDefaultValue()
    {
        return $this->defaultValue;
    }

    /**
     * {@inheritDoc}
     */
    public function setDefaultValue($defaultValue)
    {
        $this->defaultValue = $defaultValue;
    }

    /**
     * {@inheritDoc}
     */
    public function isWholeNumbersOnly()
    {
        return $this->wholeNumbersOnly;
    }

    /**
     * {@inheritDoc}
     */
    public function setWholeNumbersOnly($wholeNumbersOnly)
    {
        $this->wholeNumbersOnly = (Boolean) $wholeNumbersOnly;
    }

    /**
     * {@inheritDoc}
     */
    public function getLowestValue()
    {
        return $this->lowestValue;
    }

    /**
     * {@inheritDoc}
     */
    public function setLowestValue($lowestValue)
    {
        $this->lowestValue = $lowestValue;
    }

    /**
     * {@inheritDoc}
     */
    public function getHighestValue()
    {
        return $this->highestValue;
    }

    /**
     * {@inheritDoc}
     */
    public function setHighestValue($highestValue)
    {
        $this->highestValue = $highestValue;
    }
}