Registry Architecture Refactoring - Enhanced Separation of Concerns (#46)

* refactor: Separate Registry concerns following SOLID principles [WIP]

- Extract ReferenceProvider and ReferenceRegistryInterface interfaces
- Create DefaultToolExecutor with ReferenceHandlerInterface
- Remove execution responsibility from Registry class
- Enable custom handler and executor implementations

* refactor: implement SOLID principles with separated execution concerns

* Create DefaultResourceReader, DefaultPromptGetter
* Refactor JsonRpc Handler and RequestHandlers to use dedicated executors
* Update ServerBuilder to support custom executors via dependency injection

* chore: remove extra comments

* feat: introduce DispatchableRegistry for enhanced tool and resource management

* refactor: use proper interfaces

* refactor: implement HandlerInterface for improved abstraction and flexibility

* test: add unit tests for DispatchableRegistry and Registry classes

* refactor: cover with unit tests Resource reader, Prompt getter and Tool executor

* cs fix

* phpstan fix

* test: add unit tests for CallToolHandler, GetPromptHandler, PingHandler, and ReadResourceHandler

* refactor: revert Handler

* chore: remove style guide for tests

* refactor: remove "Default" prefix from classes

* refactor: remove DispatchableRegistry

* refactor: use package specific exception classes

* refactor: remove DispatchableRegistry

* refactor: add logger support to PromptGetter and ResourceReader classes

* Update src/Capability/Prompt/PromptGetter.php

Co-authored-by: Christopher Hertel <mail@christopher-hertel.de>

* refactor: Use FQN for Resource class to avoid cs-fixer misinterpreting it as `resource`

* refactor: rename ToolExecutor to ToolCaller and related classes for clarity and consistency

* refactor: add missed docblock

* refactor: rename ToolExecutor references to ToolCaller

* refactor: rename ToolCallerTest property and variable references

* cs fix

* ignore some phpstan errors

---------

Co-authored-by: Christopher Hertel <mail@christopher-hertel.de>
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Pavel Buchnev 2025-09-14 22:44:18 +04:00 • committed by GitHub
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<?php
/*
* This file is part of the official PHP MCP SDK.
*
* A collaboration between Symfony and the PHP Foundation.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Mcp\Capability\Registry;
use Mcp\Schema\Prompt;
use Mcp\Schema\Resource;
use Mcp\Schema\ResourceTemplate;
use Mcp\Schema\ServerCapabilities;
use Mcp\Schema\Tool;
/**
* @phpstan-import-type Handler from ElementReference
*
* Interface for registering MCP elements.
* Separates the concern of registering elements from accessing them.
*
* @author Pavel Buchnev <butschster@gmail.com>
*/
interface ReferenceRegistryInterface
{
/**
* Gets server capabilities based on registered elements.
*/
public function getCapabilities(): ServerCapabilities;
/**
* Registers a tool with its handler.
*
* @param Handler $handler
*/
public function registerTool(Tool $tool, callable|array|string $handler, bool $isManual = false): void;
/**
* Registers a resource with its handler.
*
* @param Handler $handler
*/
public function registerResource(Resource $resource, callable|array|string $handler, bool $isManual = false): void;
/**
* Registers a resource template with its handler and completion providers.
*
* @param Handler $handler
* @param array<string, class-string|object> $completionProviders
*/
public function registerResourceTemplate(
ResourceTemplate $template,
callable|array|string $handler,
array $completionProviders = [],
bool $isManual = false,
): void;
/**
* Registers a prompt with its handler and completion providers.
*
* @param Handler $handler
* @param array<string, class-string|object> $completionProviders
*/
public function registerPrompt(
Prompt $prompt,
callable|array|string $handler,
array $completionProviders = [],
bool $isManual = false,
): void;
/**
* Clear discovered elements from registry.
*/
public function clear(): void;
}