/**
     *
     * @ORM\ManyToMany(targetEntity="Candidate", inversedBy="invitations")
     * @ORM\JoinColumns({
     *   @ORM\JoinColumn(name="candidate_id", referencedColumnName="id")
     * })
     */
    private $candidate;

/**
     * Add candidate.
     *
     * @param \AppBundle\Entity\Candidate $candidate
     *
     * @return Invitation
     */
    public function addCandidate(\AppBundle\Entity\Candidate $candidate)
    {
        $this->candidate[] = $candidate;

        return $this;
    }

    /**
     * Remove candidate.
     *
     * @param \AppBundle\Entity\Candidate $candidate
     */
    public function removeCandidate(\AppBundle\Entity\Candidate $candidate)
    {
        $this->candidate->removeElement($candidate);
    }

    /**
     * Get offerSkill.
     *
     * @return \Doctrine\Common\Collections\Collection
     */
    public function getCandidate()
    {
        return $this->candidate;
    }