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Allow schema caching per server when using a common base schema #1224

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Allow schema caching per server when using a common base schema #1224

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c7a38e0
demonstrate problem
Jul 22, 2021
d99470d
pass server ID to plugin
Jul 23, 2021
bed2473
satisfy phpstan
Jul 23, 2021
5ae3f29
satisfy phpstan #2
Jul 23, 2021
b7d1f4c
satisfy phpcs
Jul 23, 2021
0368ccf
Update src/Plugin/SchemaPluginInterface.php
darvanen Aug 5, 2021
8d1a98d
Update src/Plugin/GraphQL/Schema/SdlSchemaPluginBase.php
darvanen Aug 5, 2021
112fcf8
Merge branch '8.x-4.x' into 1223-schema-caching
darvanen Oct 6, 2021
48c0b44
Merge branch '8.x-4.x' into 1223-schema-caching
darvanen Jun 8, 2022
88c8e6c
Merge branch '8.x-4.x' of github.com:darvanen/graphql into 1223-schem…
Sep 3, 2024
2ec7f03
Add server id to cache key in getFullSchemaDocument
Sep 3, 2024
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1 change: 1 addition & 0 deletions src/Entity/Server.php
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Original file line number Diff line number Diff line change
Expand Up @@ -237,6 +237,7 @@ public function configuration() {

/** @var \Drupal\graphql\Plugin\SchemaPluginInterface $plugin */
$plugin = $manager->createInstance($schema);
$plugin->setServerId($this->name);
if ($plugin instanceof ConfigurableInterface && $config = $this->get('schema_configuration')) {
$plugin->setConfiguration($config[$schema] ?? []);
}
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1 change: 1 addition & 0 deletions src/GraphQL/Execution/Executor.php
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Expand Up @@ -351,6 +351,7 @@ protected function cachePrefix() {
ksort($extensions);

$hash = hash('sha256', serialize([
'server' => $this->context->getServer()->name,
'query' => DocumentSerializer::serializeDocument($this->document),
'variables' => $variables,
'extensions' => $extensions,
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18 changes: 16 additions & 2 deletions src/Plugin/GraphQL/Schema/SdlSchemaPluginBase.php
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Expand Up @@ -44,6 +44,13 @@ abstract class SdlSchemaPluginBase extends PluginBase implements SchemaPluginInt
*/
protected $inDevelopment;

/**
* The ID of the server using this plugin.
*
* @var string
*/
protected $serverId;

/**
* The schema extension plugin manager.
*
Expand Down Expand Up @@ -111,6 +118,13 @@ public function __construct(
$this->moduleHandler = $moduleHandler;
}

/**
* {@inheritdoc}
*/
public function setServerId(string $serverId): void {
$this->serverId = $serverId;
}

Comment on lines +121 to +127
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Instead of using a setter to configure the server ID, I'm wondering if it wouldn't be better to make the plugin configurable by implementing ConfigurableInterface. In fact, both schema plugins we ship are already configurable (but the base class SdlSchemaPluginBase isn't, and changing this would be a B/C break).

/**
* {@inheritdoc}
*
Expand Down Expand Up @@ -179,7 +193,7 @@ protected function getExtensions() {
*/
protected function getSchemaDocument(array $extensions = []) {
// Only use caching of the parsed document if we aren't in development mode.
$cid = "schema:{$this->getPluginId()}";
$cid = "server:{$this->serverId}:schema:{$this->getPluginId()}";
Comment on lines -182 to +196
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This assumes that the setter has always been called, but it might not have been, and $this->serverId might be NULL.

Probably using a setter is not the best approach. Since the server ID is required for the plugin to work in the current it is essential that the setter is always called. The setter is not part of the SchemaPluginInterface and it also should not be, since it is not essential for all schema plugins, only for the ones that use caching.

Maybe we can add a server_name key to the standard plugin configuration and check that this is populated in the plugin constructor? That would also enable us to gracefully introduce this change. We can emit a deprecation warning if it is missing.

if (empty($this->inDevelopment) && $cache = $this->astCache->get($cid)) {
return $cache->data;
}
Expand Down Expand Up @@ -209,7 +223,7 @@ protected function getSchemaDocument(array $extensions = []) {
*/
private function getFullSchemaDocument(Schema $schema, array $extensions): ?DocumentNode {
// Only use caching of the parsed document if we aren't in development mode.
$cid = "full:{$this->getPluginId()}";
$cid = "server:{$this->serverId}:full:{$this->getPluginId()}";
if (empty($this->inDevelopment) && $cache = $this->astCache->get($cid)) {
return $cache->data;
}
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8 changes: 8 additions & 0 deletions src/Plugin/SchemaPluginInterface.php
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Expand Up @@ -14,6 +14,14 @@
*/
interface SchemaPluginInterface extends PluginInspectionInterface, DerivativeInspectionInterface {

/**
* Set the serverID, required for cache id generation.
*
* @param string $serverId
* The machine name of the server using this plugin.
*/
public function setServerId(string $serverId): void;

/**
* Retrieves the schema.
*
Expand Down