Processor: replace automatic meta cache clearing with a reset() method

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 - `ArrayShapeRule` - allows processing of arrays with predefined keys
 - `ArgsFieldContext` - args validation context which adds access to the property's default value
+- `Processor` - `reset()` method for resetting to initial state (clearing meta cache)
 
 ### Changed
 
@@ -31,6 +32,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - `ArrayShapeType`
 	- `getFields()` always returns the same instances
 
+### Removed
+
+- `DefaultProcessor` - automatic meta cache reset after main `process()` call (performance optimization)
+
 ## [0.2.0](https://github.com/orisai/object-mapper/compare/0.1.0...0.2.0) - 2024-06-22
 
 ### Added

src/Processing/DefaultProcessor.php

@@ -68,6 +68,11 @@ public function __construct(MetaLoader $metaLoader, RuleManager $ruleManager, Ob
 		$this->rawValuesMap = new RawValuesMap();
 	}
 
+	public function reset(): void
+	{
+		$this->metaCache = [];
+	}
+
 	/**
 	 * @param mixed $data
 	 * @throws InvalidData
@@ -120,10 +125,6 @@ private function processBase($data, string $class, ?Options $options, bool $init
 
 		$processedData = $this->processData($data, $mappedObjectContext, $callContext);
 
-		if ($options->getProcessedClasses() === [$class]) {
-			$this->metaCache = [];
-		}
-
 		return [$processedData, $holder, $mappedObjectContext, $callContext];
 	}
 

src/Processing/Processor.php

@@ -46,4 +46,9 @@ public function processSkippedFields(
 		?Options $options = null
 	): void;
 
+	/**
+	 * Reset object to its initial state
+	 */
+	public function reset(): void;
+
 }