--- /dev/null
+<?php
+
+/*
+ * This file is part of the Behat Testwork.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Behat\Testwork\Suite;
+
+use Behat\Testwork\Suite\Exception\SuiteConfigurationException;
+use Behat\Testwork\Suite\Exception\SuiteGenerationException;
+use Behat\Testwork\Suite\Generator\SuiteGenerator;
+
+/**
+ * Acts like a suite repository by auto-generating suites for registered suite configurations using registered
+ * generators.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+final class SuiteRegistry implements SuiteRepository
+{
+ /**
+ * @var Boolean
+ */
+ private $suitesGenerated = false;
+ /**
+ * @var SuiteGenerator[]
+ */
+ private $generators = array();
+ /**
+ * @var array
+ */
+ private $suiteConfigurations = array();
+ /**
+ * @var Suite[]
+ */
+ private $suites = array();
+
+ /**
+ * Registers suite generator.
+ *
+ * @param SuiteGenerator $generator
+ */
+ public function registerSuiteGenerator(SuiteGenerator $generator)
+ {
+ $this->generators[] = $generator;
+ $this->suitesGenerated = false;
+ }
+
+ /**
+ * Registers suite using provided name, type & parameters.
+ *
+ * @param string $name
+ * @param string $type
+ * @param array $settings
+ *
+ * @throws SuiteConfigurationException
+ */
+ public function registerSuiteConfiguration($name, $type, array $settings)
+ {
+ if (isset($this->suiteConfigurations[$name])) {
+ throw new SuiteConfigurationException(sprintf(
+ 'Suite configuration for a suite "%s" is already registered.',
+ $name
+ ), $name);
+ }
+
+ $this->suiteConfigurations[$name] = array($type, $settings);
+ $this->suitesGenerated = false;
+ }
+
+ /**
+ * Returns all available suites.
+ *
+ * @return Suite[]
+ */
+ public function getSuites()
+ {
+ if ($this->suitesGenerated) {
+ return $this->suites;
+ }
+
+ $this->suites = array();
+ foreach ($this->suiteConfigurations as $name => $configuration) {
+ list($type, $settings) = $configuration;
+
+ $this->suites[] = $this->generateSuite($name, $type, $settings);
+ }
+
+ $this->suitesGenerated = true;
+
+ return $this->suites;
+ }
+
+ /**
+ * Generates suite using registered generators.
+ *
+ * @param string $name
+ * @param string $type
+ * @param array $settings
+ *
+ * @return Suite
+ *
+ * @throws SuiteGenerationException If no appropriate generator found
+ */
+ private function generateSuite($name, $type, array $settings)
+ {
+ foreach ($this->generators as $generator) {
+ if (!$generator->supportsTypeAndSettings($type, $settings)) {
+ continue;
+ }
+
+ return $generator->generateSuite($name, $settings);
+ }
+
+ throw new SuiteGenerationException(sprintf(
+ 'Can not find suite generator for a suite `%s` of type `%s`.',
+ $name,
+ $type
+ ), $name);
+ }
+}