Allow schema caching per server when using a common base schema

src/Entity/Server.php

@@ -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] ?? []);
  }

src/GraphQL/Execution/Executor.php

@@ -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,

src/Plugin/GraphQL/Schema/SdlSchemaPluginBase.php

@@ -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.
  *
@@ -111,6 +118,13 @@ public function __construct(
  $this->moduleHandler = $moduleHandler;
  }
 
+ /**
+ * {@inheritdoc}
+ */
+ public function setServerId(string $serverId): void {
+ $this->serverId = $serverId;
+ }
+
  /**
  * {@inheritdoc}
  *
@@ -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:{$this->getPluginId()}";
  if (empty($this->inDevelopment) && $cache = $this->astCache->get($cid)) {
  return $cache->data;
  }
@@ -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;
  }

src/Plugin/SchemaPluginInterface.php

@@ -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.
  *