Routing/ArticleRouteDefaultProvider.php
private function getCacheLifetime($metadata)
    {
        $cacheLifetime = $metadata->cacheLifetime;

        if (!$cacheLifetime) {
            return null;
        }

        if (!is_array($cacheLifetime)
            || !isset($cacheLifetime['type'])
            || !isset($cacheLifetime['value'])
            || !$this->cacheLifetimeResolver->supports($cacheLifetime['type'], $cacheLifetime['value'])
        ) {
            throw new \InvalidArgumentException(
                sprintf('Invalid cachelifetime in article route default provider: %s', var_export($cacheLifetime, true))
            );
        }

        return $this->cacheLifetimeResolver->resolve($cacheLifetime['type'], $cacheLifetime['value']);
    }
private function getCacheLifetime($metadata)
    {
        $cacheLifetime = $metadata->cacheLifetime;

        if (!$cacheLifetime) {
            return null;
        }

        if (!is_array($cacheLifetime)
            || !isset($cacheLifetime['type'])
            || !isset($cacheLifetime['value'])
            || !$this->cacheLifetimeResolver->supports($cacheLifetime['type'], $cacheLifetime['value'])
        ) {
            throw new \InvalidArgumentException(
                sprintf('Invalid cachelifetime in article route default provider: %s', var_export($cacheLifetime, true))
            );
        }

        return $this->cacheLifetimeResolver->resolve($cacheLifetime['type'], $cacheLifetime['value']);
    }
private function getCacheLifetime ( $ metadata ) { $ cacheLifetime = $ metadata -> cacheLifetime ; if ( ! $ cacheLifetime ) { return null ; } if ( ! is_array ( $ cacheLifetime ) || ! isset ( $ cacheLifetime [ 'type' ] ) || ! isset ( $ cacheLifetime [ 'value' ] ) || ! $ this -> cacheLifetimeResolver -> supports ( $ cacheLifetime [ 'type' ] , $ cacheLifetime [ 'value' ] ) ) { throw new \ InvalidArgumentException ( sprintf ( 'Invalid cachelifetime in article route default provider: %s' , var_export ( $ cacheLifetime , true ) ) ) ; } return $ this -> cacheLifetimeResolver -> resolve ( $ cacheLifetime [ 'type' ] , $ cacheLifetime [ 'value' ] ) ; }
Get cache life time.

@param StructureMetadata $metadata

@return int|null
Get cache life time .