StaticDiscovery.php

<?php

namespace Drupal\Component\Plugin\Discovery;


/**
 * A discovery mechanism that allows plugin definitions to be manually
 * registered rather than actively discovered.
 */
class StaticDiscovery implements DiscoveryInterface {
    use DiscoveryCachedTrait;
    
    /**
     * {@inheritdoc}
     */
    public function getDefinitions() {
        if (!$this->definitions) {
            $this->definitions = [];
        }
        return $this->definitions;
    }
    
    /**
     * Sets a plugin definition.
     */
    public function setDefinition($plugin, $definition) {
        $this->definitions[$plugin] = $definition;
    }
    
    /**
     * Deletes a plugin definition.
     */
    public function deleteDefinition($plugin) {
        unset($this->definitions[$plugin]);
    }

}