ORM::__clone() - Code Metrics - Inspection of "Disable orm cache" - spiral/components - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#61)

by Anton

created 2015-12-27 15:24 UTC

ORM::__clone() A

↳ Parent: ORM

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	8
rs	9.4286
cc	2
eloc	4
nc	2
nop	0

<?php
/**
 * Spiral Framework.
 *
 * @license   MIT
 * @author    Anton Titov (Wolfy-J)
 */
namespace Spiral\ORM;

use Spiral\Core\Component;
use Spiral\Core\Container\SingletonInterface;
use Spiral\Core\FactoryInterface;
use Spiral\Core\HippocampusInterface;
use Spiral\Database\DatabaseManager;
use Spiral\Database\Entities\Database;
use Spiral\Debug\Traits\LoggerTrait;
use Spiral\Models\DataEntity;
use Spiral\Models\SchematicEntity;
use Spiral\ORM\Configs\ORMConfig;
use Spiral\ORM\Entities\Loader;
use Spiral\ORM\Entities\RecordSelector;
use Spiral\ORM\Entities\RecordSource;
use Spiral\ORM\Entities\SchemaBuilder;
use Spiral\ORM\Entities\Schemas\RecordSchema;
use Spiral\ORM\Exceptions\ORMException;
use Spiral\Tokenizer\ClassLocatorInterface;

/**
 * ORM component used to manage state of cached Record's schema, record creation and schema
 * analysis.
 *
 * Attention, do not forget to reset cache between requests.
 *
 * @todo Think about using views for complex queries? Using views for entities? ViewRecord?
 * @todo ability to merge multiple tables into one entity - like SearchEntity? Partial entities?
 *
 * @todo think about entity cache and potential use cases when model can be accessed from outside
 */
class ORM extends Component implements SingletonInterface
{
    use LoggerTrait;

    /**
     * Declares to IoC that component instance should be treated as singleton.
     */
    const SINGLETON = self::class;

    /**
     * Memory section to store ORM schema.
     */
    const MEMORY = 'orm.schema';

    /**
     * Normalized record constants.
     */
    const M_ROLE_NAME   = 0;
    const M_SOURCE      = 1;
    const M_TABLE       = 2;
    const M_DB          = 3;
    const M_HIDDEN      = SchematicEntity::SH_HIDDEN;
    const M_SECURED     = SchematicEntity::SH_SECURED;
    const M_FILLABLE    = SchematicEntity::SH_FILLABLE;
    const M_MUTATORS    = SchematicEntity::SH_MUTATORS;
    const M_VALIDATES   = SchematicEntity::SH_VALIDATES;
    const M_COLUMNS     = 9;
    const M_NULLABLE    = 10;
    const M_RELATIONS   = 11;
    const M_PRIMARY_KEY = 12;

    /**
     * Normalized relation options.
     */
    const R_TYPE       = 0;
    const R_TABLE      = 1;
    const R_DEFINITION = 2;
    const R_DATABASE   = 3;

    /**
     * Pivot table data location in Record fields. Pivot data only provided when record is loaded
     * using many-to-many relation.
     */
    const PIVOT_DATA = '@pivot';

    /**
     * @var EntityCache
     */
    private $cache = null;

    /**
     * @var ORMConfig
     */
    protected $config = null;

    /**
     * Cached records schema.
     *
     * @var array|null
     */
    protected $schema = null;

    /**
     * @invisible
     * @var DatabaseManager
     */
    protected $databases = null;

    /**
     * @invisible
     * @var FactoryInterface
     */
    protected $factory = null;

    /**
     * @invisible
     * @var HippocampusInterface
     */
    protected $memory = null;

    /**
     * @param ORMConfig            $config
     * @param EntityCache          $cache
     * @param HippocampusInterface $memory
     * @param DatabaseManager      $databases
     * @param FactoryInterface     $factory
     */
    public function __construct(
        ORMConfig $config,
        EntityCache $cache,
        HippocampusInterface $memory,
        DatabaseManager $databases,
        FactoryInterface $factory
    ) {
        $this->config = $config;
        $this->memory = $memory;

        $this->cache = $cache;

        $this->schema = (array)$memory->loadData(static::MEMORY);

        $this->databases = $databases;
        $this->factory = $factory;
    }

    /**
     * @param EntityCache $cache
     * @return $this
     */
    public function setCache(EntityCache $cache)
    {
        $this->cache = $cache;

        return $this;
    }

    /**
     * @return EntityCache
     */
    public function cache()
    {
        return $this->cache;
    }

    /**
     * When ORM is cloned we are automatically flushing it's cache and creating new isolated area.
     * Basically we have cache enabled per selection.
     *
     * @see RecordSelector::getIterator()
     */
    public function __clone()
    {
        $this->cache = clone $this->cache;

        if (!$this->cache->isEnabled()) {
            $this->logger()->warning("ORM are cloned with disabled state.");
        }
    }

    /**
     * Get database by it's name from DatabaseManager associated with ORM component.
     *
     * @param string $database
     * @return Database
     */
    public function database($database)
    {
        return $this->databases->database($database);
    }

    /**
     * Construct instance of Record or receive it from cache (if enabled). Only records with
     * declared primary key can be cached.
     *
     * @param string $class Record class name.
     * @param array  $data
     * @param bool   $cache Add record to entity cache if enabled.
     * @return RecordInterface
     */
    public function record($class, array $data = [], $cache = true)
    {
        $schema = $this->schema($class);

        if (!$this->cache->isEnabled() || !$cache) {
            //Entity cache is disabled, we can create record right now
            return new $class($data, !empty($data), $this, $schema);
        }

        //We have to find unique object criteria (will work for objects with primary key only)
        $primaryKey = null;

        if (
            !empty($schema[self::M_PRIMARY_KEY])
            && !empty($data[$schema[self::M_PRIMARY_KEY]])
        ) {
            $primaryKey = $data[$schema[self::M_PRIMARY_KEY]];
        }

        if ($this->cache->has($class, $primaryKey)) {
            /**
             * @var RecordInterface $entity
             */
            return $this->cache->get($class, $primaryKey);
        }

        return $this->cache->remember(
            new $class($data, !empty($data), $this, $schema)
        );
    }

    /**
     * Get ORM source for given class.
     *
     * @param string $class
     * @return RecordSource
     * @throws ORMException
     */
    public function source($class)

    {
        $schema = $this->schema($class);
        if (empty($source = $schema[self::M_SOURCE])) {
            //Default source
            $source = RecordSource::class;
        }

        return new $source($class, $this);
    }

    /**
     * Get ORM selector for given class.
     *
     * @param string $class
     * @param Loader $loader
     * @return RecordSelector
     */
    public function selector($class, Loader $loader = null)
    {
        return new RecordSelector($class, $this, $loader);
    }

    /**
     * Get cached schema for specified record by it's name.
     *
     * @param string $record
     * @return array
     * @throws ORMException
     */
    public function schema($record)

    {
        if (!isset($this->schema[$record])) {
            $this->updateSchema();
        }

        if (!isset($this->schema[$record])) {
            throw new ORMException("Undefined ORM schema item, unknown record '{$record}'.");
        }

        return $this->schema[$record];
    }

    /**
     * Create record relation instance by given relation type, parent and definition (options).
     *
     * @param int             $type
     * @param RecordInterface $parent
     * @param array           $definition Relation definition.
     * @param array           $data
     * @param bool            $loaded
     * @return RelationInterface
     * @throws ORMException
     */
    public function relation(

        $type,
        RecordInterface $parent,
        $definition,
        $data = null,
        $loaded = false
    ) {
        if (!$this->config->hasRelation($type, 'class')) {
            throw new ORMException("Undefined relation type '{$type}'.");
        }

        $class = $this->config->relationClass($type, 'class');

        //For performance reasons class constructed without container
        return new $class($this, $parent, $definition, $data, $loaded);
    }

    /**
     * Get instance of relation/selection loader based on relation type and definition.
     *
     * @param int    $type       Relation type.
     * @param string $container  Container related to parent loader.
     * @param array  $definition Relation definition.
     * @param Loader $parent     Parent loader (if presented).
     * @return LoaderInterface
     * @throws ORMException
     */
    public function loader($type, $container, array $definition, Loader $parent = null)

    {
        if (!$this->config->hasRelation($type, 'loader')) {
            throw new ORMException("Undefined relation loader '{$type}'.");
        }

        $class = $this->config->relationClass($type, 'loader');

        //For performance reasons class constructed without container
        return new $class($this, $container, $definition, $parent);
    }

    /**
     * Update ORM records schema, synchronize declared and database schemas and return instance of
     * SchemaBuilder.
     *
     * @param SchemaBuilder $builder    User specified schema builder.
     * @param bool          $syncronize Create all required tables and columns
     * @return SchemaBuilder
     */
    public function updateSchema(SchemaBuilder $builder = null, $syncronize = false)

    {
        if (empty($builder)) {
            $builder = $this->schemaBuilder();
        }

        //Create all required tables and columns
        if ($syncronize) {
            $builder->synchronizeSchema();
        }

        //Getting normalized (cached) version of schema
        $this->schema = $builder->normalizeSchema();

        //Saving
        $this->memory->saveData(static::MEMORY, $this->schema);

        //Let's reinitialize records
        DataEntity::resetInitiated();

        return $builder;
    }

    /**
     * Get instance of ORM SchemaBuilder.
     *
     * @param ClassLocatorInterface $locator
     * @return SchemaBuilder
     */
    public function schemaBuilder(ClassLocatorInterface $locator = null)
    {
        return $this->factory->make(SchemaBuilder::class, [
            'config'  => $this->config,
            'orm'     => $this,
            'locator' => $locator
        ]);
    }

    /**
     * Create instance of relation schema based on relation type and given definition (declared in
     * record). Resolve using container to support any possible relation type. You can create your
     * own relations, loaders and schemas by altering ORM config.
     *
     * @param mixed         $type
     * @param SchemaBuilder $builder
     * @param RecordSchema  $record
     * @param string        $name
     * @param array         $definition
     * @return Schemas\RelationInterface
     */
    public function relationSchema(
        $type,
        SchemaBuilder $builder,
        RecordSchema $record,
        $name,
        array $definition
    ) {
        if (!$this->config->hasRelation($type, 'schema')) {
            throw new ORMException("Undefined relation schema '{$type}'.");
        }

        //Getting needed relation schema builder
        return $this->factory->make(
            $this->config->relationClass($type, 'schema'),
            compact('builder', 'record', 'name', 'definition')
        );
    }
}


1		<?php
2		/**
3		* Spiral Framework.
4		*
5		* @license MIT
6		* @author Anton Titov (Wolfy-J)
7		*/
8		namespace Spiral\ORM;
9
10		use Spiral\Core\Component;
11		use Spiral\Core\Container\SingletonInterface;
12		use Spiral\Core\FactoryInterface;
13		use Spiral\Core\HippocampusInterface;
14		use Spiral\Database\DatabaseManager;
15		use Spiral\Database\Entities\Database;
16		use Spiral\Debug\Traits\LoggerTrait;
17		use Spiral\Models\DataEntity;
18		use Spiral\Models\SchematicEntity;
19		use Spiral\ORM\Configs\ORMConfig;
20		use Spiral\ORM\Entities\Loader;
21		use Spiral\ORM\Entities\RecordSelector;
22		use Spiral\ORM\Entities\RecordSource;
23		use Spiral\ORM\Entities\SchemaBuilder;
24		use Spiral\ORM\Entities\Schemas\RecordSchema;
25		use Spiral\ORM\Exceptions\ORMException;
26		use Spiral\Tokenizer\ClassLocatorInterface;
27
28		/**
29		* ORM component used to manage state of cached Record's schema, record creation and schema
30		* analysis.
31		*
32		* Attention, do not forget to reset cache between requests.
33		*
34		* @todo Think about using views for complex queries? Using views for entities? ViewRecord?
35		* @todo ability to merge multiple tables into one entity - like SearchEntity? Partial entities?
36		*
37		* @todo think about entity cache and potential use cases when model can be accessed from outside
38		*/
39		class ORM extends Component implements SingletonInterface
40		{
41		use LoggerTrait;
42
43		/**
44		* Declares to IoC that component instance should be treated as singleton.
45		*/
46		const SINGLETON = self::class;
47
48		/**
49		* Memory section to store ORM schema.
50		*/
51		const MEMORY = 'orm.schema';
52
53		/**
54		* Normalized record constants.
55		*/
56		const M_ROLE_NAME = 0;
57		const M_SOURCE = 1;
58		const M_TABLE = 2;
59		const M_DB = 3;
60		const M_HIDDEN = SchematicEntity::SH_HIDDEN;
61		const M_SECURED = SchematicEntity::SH_SECURED;
62		const M_FILLABLE = SchematicEntity::SH_FILLABLE;
63		const M_MUTATORS = SchematicEntity::SH_MUTATORS;
64		const M_VALIDATES = SchematicEntity::SH_VALIDATES;
65		const M_COLUMNS = 9;
66		const M_NULLABLE = 10;
67		const M_RELATIONS = 11;
68		const M_PRIMARY_KEY = 12;
69
70		/**
71		* Normalized relation options.
72		*/
73		const R_TYPE = 0;
74		const R_TABLE = 1;
75		const R_DEFINITION = 2;
76		const R_DATABASE = 3;
77
78		/**
79		* Pivot table data location in Record fields. Pivot data only provided when record is loaded
80		* using many-to-many relation.
81		*/
82		const PIVOT_DATA = '@pivot';
83
84		/**
85		* @var EntityCache
86		*/
87		private $cache = null;
88
89		/**
90		* @var ORMConfig
91		*/
92		protected $config = null;
93
94		/**
95		* Cached records schema.
96		*
97		* @var array\|null
98		*/
99		protected $schema = null;
100
101		/**
102		* @invisible
103		* @var DatabaseManager
104		*/
105		protected $databases = null;
106
107		/**
108		* @invisible
109		* @var FactoryInterface
110		*/
111		protected $factory = null;
112
113		/**
114		* @invisible
115		* @var HippocampusInterface
116		*/
117		protected $memory = null;
118
119		/**
120		* @param ORMConfig $config
121		* @param EntityCache $cache
122		* @param HippocampusInterface $memory
123		* @param DatabaseManager $databases
124		* @param FactoryInterface $factory
125		*/
126		public function __construct(
127		ORMConfig $config,
128		EntityCache $cache,
129		HippocampusInterface $memory,
130		DatabaseManager $databases,
131		FactoryInterface $factory
132		) {
133		$this->config = $config;
134		$this->memory = $memory;
135
136		$this->cache = $cache;
137
138		$this->schema = (array)$memory->loadData(static::MEMORY);
139
140		$this->databases = $databases;
141		$this->factory = $factory;
142		}
143
144		/**
145		* @param EntityCache $cache
146		* @return $this
147		*/
148		public function setCache(EntityCache $cache)
149		{
150		$this->cache = $cache;
151
152		return $this;
153		}
154
155		/**
156		* @return EntityCache
157		*/
158		public function cache()
159		{
160		return $this->cache;
161		}
162
163		/**
164		* When ORM is cloned we are automatically flushing it's cache and creating new isolated area.
165		* Basically we have cache enabled per selection.
166		*
167		* @see RecordSelector::getIterator()
168		*/
169		public function __clone()
170		{
171		$this->cache = clone $this->cache;
172
173		if (!$this->cache->isEnabled()) {
174		$this->logger()->warning("ORM are cloned with disabled state.");
175		}
176		}
177
178		/**
179		* Get database by it's name from DatabaseManager associated with ORM component.
180		*
181		* @param string $database
182		* @return Database
183		*/
184		public function database($database)
185		{
186		return $this->databases->database($database);
187		}
188
189		/**
190		* Construct instance of Record or receive it from cache (if enabled). Only records with
191		* declared primary key can be cached.
192		*
193		* @param string $class Record class name.
194		* @param array $data
195		* @param bool $cache Add record to entity cache if enabled.
196		* @return RecordInterface
197		*/
198		public function record($class, array $data = [], $cache = true)
199		{
200		$schema = $this->schema($class);
201
202		if (!$this->cache->isEnabled() \|\| !$cache) {
203		//Entity cache is disabled, we can create record right now
204		return new $class($data, !empty($data), $this, $schema);
205		}
206
207		//We have to find unique object criteria (will work for objects with primary key only)
208		$primaryKey = null;
209
210		if (
211		!empty($schema[self::M_PRIMARY_KEY])
212		&& !empty($data[$schema[self::M_PRIMARY_KEY]])
213		) {
214		$primaryKey = $data[$schema[self::M_PRIMARY_KEY]];
215		}
216
217		if ($this->cache->has($class, $primaryKey)) {
218		/**
219		* @var RecordInterface $entity
220		*/
221		return $this->cache->get($class, $primaryKey);
222		}
223
224		return $this->cache->remember(
225		new $class($data, !empty($data), $this, $schema)
226		);
227		}
228
229		/**
230		* Get ORM source for given class.
231		*
232		* @param string $class
233		* @return RecordSource
234		* @throws ORMException
235		*/
236	View Code Duplication	public function source($class)
		0 ignored issues – show Duplication introduced 2015-11-21 12:38 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
237		{
238		$schema = $this->schema($class);
239		if (empty($source = $schema[self::M_SOURCE])) {
240		//Default source
241		$source = RecordSource::class;
242		}
243
244		return new $source($class, $this);
245		}
246
247		/**
248		* Get ORM selector for given class.
249		*
250		* @param string $class
251		* @param Loader $loader
252		* @return RecordSelector
253		*/
254		public function selector($class, Loader $loader = null)
255		{
256		return new RecordSelector($class, $this, $loader);
257		}
258
259		/**
260		* Get cached schema for specified record by it's name.
261		*
262		* @param string $record
263		* @return array
264		* @throws ORMException
265		*/
266	View Code Duplication	public function schema($record)
		0 ignored issues – show Duplication introduced 2015-11-21 12:38 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
267		{
268		if (!isset($this->schema[$record])) {
269		$this->updateSchema();
270		}
271
272		if (!isset($this->schema[$record])) {
273		throw new ORMException("Undefined ORM schema item, unknown record '{$record}'.");
274		}
275
276		return $this->schema[$record];
277		}
278
279		/**
280		* Create record relation instance by given relation type, parent and definition (options).
281		*
282		* @param int $type
283		* @param RecordInterface $parent
284		* @param array $definition Relation definition.
285		* @param array $data
286		* @param bool $loaded
287		* @return RelationInterface
288		* @throws ORMException
289		*/
290	View Code Duplication	public function relation(
		0 ignored issues – show Duplication introduced 2015-11-21 12:38 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
291		$type,
292		RecordInterface $parent,
293		$definition,
294		$data = null,
295		$loaded = false
296		) {
297		if (!$this->config->hasRelation($type, 'class')) {
298		throw new ORMException("Undefined relation type '{$type}'.");
299		}
300
301		$class = $this->config->relationClass($type, 'class');
302
303		//For performance reasons class constructed without container
304		return new $class($this, $parent, $definition, $data, $loaded);
305		}
306
307		/**
308		* Get instance of relation/selection loader based on relation type and definition.
309		*
310		* @param int $type Relation type.
311		* @param string $container Container related to parent loader.
312		* @param array $definition Relation definition.
313		* @param Loader $parent Parent loader (if presented).
314		* @return LoaderInterface
315		* @throws ORMException
316		*/
317	View Code Duplication	public function loader($type, $container, array $definition, Loader $parent = null)
		0 ignored issues – show Duplication introduced 2015-11-21 12:38 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
318		{
319		if (!$this->config->hasRelation($type, 'loader')) {
320		throw new ORMException("Undefined relation loader '{$type}'.");
321		}
322
323		$class = $this->config->relationClass($type, 'loader');
324
325		//For performance reasons class constructed without container
326		return new $class($this, $container, $definition, $parent);
327		}
328
329		/**
330		* Update ORM records schema, synchronize declared and database schemas and return instance of
331		* SchemaBuilder.
332		*
333		* @param SchemaBuilder $builder User specified schema builder.
334		* @param bool $syncronize Create all required tables and columns
335		* @return SchemaBuilder
336		*/
337	View Code Duplication	public function updateSchema(SchemaBuilder $builder = null, $syncronize = false)
		0 ignored issues – show Duplication introduced 2015-12-04 22:43 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
338		{
339		if (empty($builder)) {
340		$builder = $this->schemaBuilder();
341		}
342
343		//Create all required tables and columns
344		if ($syncronize) {
345		$builder->synchronizeSchema();
346		}
347
348		//Getting normalized (cached) version of schema
349		$this->schema = $builder->normalizeSchema();
350
351		//Saving
352		$this->memory->saveData(static::MEMORY, $this->schema);
353
354		//Let's reinitialize records
355		DataEntity::resetInitiated();
356
357		return $builder;
358		}
359
360		/**
361		* Get instance of ORM SchemaBuilder.
362		*
363		* @param ClassLocatorInterface $locator
364		* @return SchemaBuilder
365		*/
366		public function schemaBuilder(ClassLocatorInterface $locator = null)
367		{
368		return $this->factory->make(SchemaBuilder::class, [
369		'config' => $this->config,
370		'orm' => $this,
371		'locator' => $locator
372		]);
373		}
374
375		/**
376		* Create instance of relation schema based on relation type and given definition (declared in
377		* record). Resolve using container to support any possible relation type. You can create your
378		* own relations, loaders and schemas by altering ORM config.
379		*
380		* @param mixed $type
381		* @param SchemaBuilder $builder
382		* @param RecordSchema $record
383		* @param string $name
384		* @param array $definition
385		* @return Schemas\RelationInterface
386		*/
387		public function relationSchema(
388		$type,
389		SchemaBuilder $builder,
390		RecordSchema $record,
391		$name,
392		array $definition
393		) {
394		if (!$this->config->hasRelation($type, 'schema')) {
395		throw new ORMException("Undefined relation schema '{$type}'.");
396		}
397
398		//Getting needed relation schema builder
399		return $this->factory->make(
400		$this->config->relationClass($type, 'schema'),
401		compact('builder', 'record', 'name', 'definition')
402		);
403		}
404		}
405

spiral / components

Pull Request — master (#61)

ORM::__clone() A

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Duplication

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