dkd / php-cmis-client

     * @return DocumentInterface|null the updated document, or <code>null</code> if the repository did not return

     *      an object ID

     */

    public function deleteContentStream($refresh = true)

    {

        $newObjectId = $this->getId();

        $changeToken = $this->getPropertyValue(PropertyIds::CHANGE_TOKEN);

        $this->getBinding()->getObjectService()->deleteContentStream(

            $this->getRepositoryId(),

            $newObjectId,

            $changeToken

        );

        if ($refresh === true) {

            $this->refresh();

        }

        if ($newObjectId === null) {

            return null;

        }

        return $this->getSession()->getObject(

            $this->getSession()->createObjectId($newObjectId),

            $this->getCreationContext()

        );

    }

    /**

     * Fetches all versions of this document using the given OperationContext.

     * @return ObjectIdInterface|null the updated object ID, or <code>null</code> if the repository did not return

     *      an object ID

     */

    public function setContentStream(StreamInterface $contentStream, $overwrite, $refresh = true)

    {

        $newObjectId = $this->getId();

        $changeToken = $this->getPropertyValue(PropertyIds::CHANGE_TOKEN);

        $this->getBinding()->getObjectService()->setContentStream(

            $this->getRepositoryId(),

            $newObjectId,

            $this->getObjectFactory()->convertContentStream($contentStream),

            $overwrite,

            $changeToken

        );

        if ($refresh === true) {

            $this->refresh();

        }

        if ($newObjectId === null) {

            return null;

        }

        return $this->getSession()->createObjectId($newObjectId);

    }

    /**

     * Returns the checkin comment (CMIS property cmis:checkinComment).