protected function DataProducerProxy::resolveCached in GraphQL 8.4

Try to return a value from cache, otherwise invoke data producer.

Parameters

\Drupal\graphql\Plugin\DataProducerPluginCachingInterface $plugin:

\Drupal\graphql\GraphQL\Execution\ResolveContext $context:

\Drupal\graphql\GraphQL\Execution\FieldContext $field:

Return value

mixed

1 call to DataProducerProxy::resolveCached()

DataProducerProxy::resolve in src/Plugin/GraphQL/DataProducer/DataProducerProxy.php

Resolve field value.

File

src/Plugin/GraphQL/DataProducer/DataProducerProxy.php, line 253

Class

DataProducerProxy

A proxy class that lazy resolves data producers and has a result cache.

Namespace

Drupal\graphql\Plugin\GraphQL\DataProducer

Code

protected function resolveCached(DataProducerPluginCachingInterface $plugin, ResolveContext $context, FieldContext $field) {
  $prefix = $this
    ->edgeCachePrefix($plugin);
  if ($cache = $this
    ->cacheRead($prefix)) {
    list($value, $metadata) = $cache;
    $field
      ->addCacheableDependency($metadata);
    return $value;
  }
  $output = $this
    ->resolveUncached($plugin, $context, $field);
  return DeferredUtility::applyFinally($output, function ($value) use ($field, $prefix) {
    $this
      ->cacheWrite($prefix, $value, $field);
  });
}