1 files changed, 69 insertions, 0 deletions
diff --git a/lib/public/DataCollector/AbstractDataCollector.php b/lib/public/DataCollector/AbstractDataCollector.php
new file mode 100644
index 00000000000..ffb3cbe7b79
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+++ b/lib/public/DataCollector/AbstractDataCollector.php
@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCP\DataCollector;
+
+/**
+ * Children of this class must store the collected data in
+ * the data property.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Bernhard Schussek <bschussek@symfony.com>
+ * @author Carl Schwan <carl@carlschwan.eu>
+ * @since 24.0.0
+ */
+abstract class AbstractDataCollector implements IDataCollector, \JsonSerializable {
+	/** @var array */
+	protected $data = [];
+
+	/**
+	 * @since 24.0.0
+	 */
+	public function getName(): string {
+		return static::class;
+	}
+
+	/**
+	 * Reset the state of the profiler. By default it only empties the
+	 * $this->data contents, but you can override this method to do
+	 * additional cleaning.
+	 * @since 24.0.0
+	 */
+	public function reset(): void {
+		$this->data = [];
+	}
+
+	/**
+	 * @since 24.0.0
+	 */
+	public function __sleep(): array {
+		return ['data'];
+	}
+
+	/**
+	 * @internal to prevent implementing \Serializable
+	 * @since 24.0.0
+	 */
+	final protected function serialize() {
+	}
+
+	/**
+	 * @internal to prevent implementing \Serializable
+	 * @since 24.0.0
+	 */
+	final protected function unserialize(string $data) {
+	}
+
+	/**
+	 * @since 24.0.0
+	 */
+	#[\ReturnTypeWillChange]
+	public function jsonSerialize() {
+		return $this->data;
+	}
+}