Driver::driverConnect() - Code Metrics - Inspection of "Merge pull request #623 from Geolim4/master" - PHPSocialNetwork/phpfastcache - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 4e7427...4a94bb )

by Georges

created 2018-06-24 12:51 UTC

Driver::driverConnect() B

↳ Parent: Driver

Complexity

Conditions	5
Paths	7

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	5
nc	7
nop	0
dl	0
loc	55
rs	8.6707
c	0
b	0
f	0

How to fix Long Method

<?php
/**
 *
 * This file is part of phpFastCache.
 *
 * @license MIT License (MIT)
 *
 * For full copyright and license information, please see the docs/CREDITS.txt file.
 *
 * @author Khoa Bui (khoaofgod)  <[email protected]> https://www.phpfastcache.com
 * @author Georges.L (Geolim4)  <[email protected]>
 *
 */
declare(strict_types=1);

namespace Phpfastcache\Drivers\Cassandra;

use Cassandra;
filter:
    dependency_paths: ["lib/*"]
use Cassandra\Session as CassandraSession;
filter:
    dependency_paths: ["lib/*"]
use Phpfastcache\Core\Pool\{
    DriverBaseTrait, ExtendedCacheItemPoolInterface
};
use Phpfastcache\Entities\DriverStatistic;
use Phpfastcache\Exceptions\{
    PhpfastcacheInvalidArgumentException, PhpfastcacheLogicException
};
use Psr\Cache\CacheItemInterface;

/**
 * Class Driver
 * @package phpFastCache\Drivers
 * @property CassandraSession $instance Instance of driver service
 * @property Config $config Config object
 * @method Config getConfig() Return the config object
 */
class Driver implements ExtendedCacheItemPoolInterface
{
    const CASSANDRA_KEY_SPACE = 'phpfastcache';
    const CASSANDRA_TABLE = 'cacheItems';

    use DriverBaseTrait;

    /**
     * @return bool
     */
    public function driverCheck(): bool
    {
        return \extension_loaded('Cassandra') && \class_exists(\Cassandra::class);
    }

    /**
     * @return bool
     * @throws PhpfastcacheLogicException
     * @throws \Cassandra\Exception
     */
    protected function driverConnect(): bool
    {
        if ($this->instance instanceof CassandraSession) {
            throw new PhpfastcacheLogicException('Already connected to Couchbase server');
        }

        $clientConfig = $this->getConfig();

        $clusterBuilder = Cassandra::cluster()
            ->withContactPoints($clientConfig->getHost())
            ->withPort($clientConfig->getPort());

        if (!empty($clientConfig->isSslEnabled())) {
            if (!empty($clientConfig->isSslVerify())) {
                $sslBuilder = Cassandra::ssl()->withVerifyFlags(Cassandra::VERIFY_PEER_CERT);
            } else {
                $sslBuilder = Cassandra::ssl()->withVerifyFlags(Cassandra::VERIFY_NONE);
            }

            $clusterBuilder->withSSL($sslBuilder->build());
        }

        $clusterBuilder->withConnectTimeout($clientConfig->getTimeout());

        if ($clientConfig->getUsername()) {
            $clusterBuilder->withCredentials($clientConfig->getUsername(), $clientConfig->getPassword());
        }

        $this->instance = $clusterBuilder->build()->connect();

        /**
         * In case of emergency:
         * $this->instance->execute(
         *      new Cassandra\SimpleStatement(\sprintf("DROP KEYSPACE %s;", self::CASSANDRA_KEY_SPACE))
         * );
         */

        $this->instance->execute(new Cassandra\SimpleStatement(\sprintf(
filter:
    dependency_paths: ["lib/*"]
            "CREATE KEYSPACE IF NOT EXISTS %s WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 };",
            self::CASSANDRA_KEY_SPACE
        )));
        $this->instance->execute(new Cassandra\SimpleStatement(\sprintf('USE %s;', self::CASSANDRA_KEY_SPACE)));
        $this->instance->execute(new Cassandra\SimpleStatement(\sprintf('
                CREATE TABLE IF NOT EXISTS %s (
                    cache_uuid uuid,
                    cache_id varchar,
                    cache_data text,
                    cache_creation_date timestamp,
                    cache_expiration_date timestamp,
                    cache_length int,
                    PRIMARY KEY (cache_id)
                );', self::CASSANDRA_TABLE
        )));

        return true;
    }

    /**
     * @param \Psr\Cache\CacheItemInterface $item
     * @return null|array
     */
    protected function driverRead(CacheItemInterface $item)
    {
        try {
            $options = new Cassandra\ExecutionOptions([
filter:
    dependency_paths: ["lib/*"]
                'arguments' => ['cache_id' => $item->getKey()],
                'page_size' => 1,
            ]);
            $query = \sprintf(
                'SELECT cache_data FROM %s.%s WHERE cache_id = :cache_id;',
                self::CASSANDRA_KEY_SPACE,
                self::CASSANDRA_TABLE
            );
            $results = $this->instance->execute(new Cassandra\SimpleStatement($query), $options);

            if ($results instanceof Cassandra\Rows && $results->count() === 1) {
filter:
    dependency_paths: ["lib/*"]
                return $this->decode($results->first()['cache_data']);
            }

            return null;
        } catch (Cassandra\Exception $e) {
filter:
    dependency_paths: ["lib/*"]
            return null;
        }
    }

    /**
     * @param \Psr\Cache\CacheItemInterface $item
     * @return bool
     * @throws PhpfastcacheInvalidArgumentException
     */
    protected function driverWrite(CacheItemInterface $item): bool
    {
        /**
         * Check for Cross-Driver type confusion
         */
        if ($item instanceof Item) {
            try {
                $cacheData = $this->encode($this->driverPreWrap($item));
                $options = new Cassandra\ExecutionOptions([
                    'arguments' => [
                        'cache_uuid' => new Cassandra\Uuid(),
filter:
    dependency_paths: ["lib/*"]
                        'cache_id' => $item->getKey(),
                        'cache_data' => $cacheData,
                        'cache_creation_date' => new Cassandra\Timestamp((new \DateTime())->getTimestamp()),
filter:
    dependency_paths: ["lib/*"]
                        'cache_expiration_date' => new Cassandra\Timestamp($item->getExpirationDate()->getTimestamp()),
                        'cache_length' => strlen($cacheData),
                    ],
                    'consistency' => Cassandra::CONSISTENCY_ALL,
                    'serial_consistency' => Cassandra::CONSISTENCY_SERIAL,
                ]);

                $query = \sprintf('INSERT INTO %s.%s
                    (
                      cache_uuid, 
                      cache_id, 
                      cache_data, 
                      cache_creation_date, 
                      cache_expiration_date,
                      cache_length
                    )
                  VALUES (:cache_uuid, :cache_id, :cache_data, :cache_creation_date, :cache_expiration_date, :cache_length);
            ', self::CASSANDRA_KEY_SPACE, self::CASSANDRA_TABLE);

                $result = $this->instance->execute(new Cassandra\SimpleStatement($query), $options);
                /**
                 * There's no real way atm
                 * to know if the item has
                 * been really upserted
                 */
                return $result instanceof Cassandra\Rows;
            } catch (\Cassandra\Exception\InvalidArgumentException $e) {
filter:
    dependency_paths: ["lib/*"]
                throw new PhpfastcacheInvalidArgumentException($e, 0, $e);
            }
        } else {
            throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
        }
    }

    /**
     * @param \Psr\Cache\CacheItemInterface $item
     * @return bool
     * @throws PhpfastcacheInvalidArgumentException
     */
    protected function driverDelete(CacheItemInterface $item): bool
    {
        /**
         * Check for Cross-Driver type confusion
         */
        if ($item instanceof Item) {
            try {
                $options = new Cassandra\ExecutionOptions([
                    'arguments' => [
                        'cache_id' => $item->getKey(),
                    ],
                ]);
                $result = $this->instance->execute(new Cassandra\SimpleStatement(\sprintf(
                    'DELETE FROM %s.%s WHERE cache_id = :cache_id;',
                    self::CASSANDRA_KEY_SPACE,
                    self::CASSANDRA_TABLE
                )), $options);

                /**
                 * There's no real way atm
                 * to know if the item has
                 * been really deleted
                 */
                return $result instanceof Cassandra\Rows;
            } catch (Cassandra\Exception $e) {
                return false;
            }
        } else {
            throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
        }
    }

    /**
     * @return bool
     */
    protected function driverClear(): bool
    {
        try {
            $this->instance->execute(new Cassandra\SimpleStatement(\sprintf(
                'TRUNCATE %s.%s;',
                self::CASSANDRA_KEY_SPACE, self::CASSANDRA_TABLE
            )));

            return true;
        } catch (Cassandra\Exception $e) {
            return false;
        }
    }

    /********************
     *
     * PSR-6 Extended Methods
     *
     *******************/

    /**
     * @return string
     */
    public function getHelp(): string
    {
        return <<<HELP
<p>
To install the php Cassandra extension via Pecl:
<code>sudo pecl install cassandra</code>
More information on: https://github.com/datastax/php-driver
Please not that this repository only provide php stubs and C/C++ sources, it does NOT provide php client.
</p>
HELP;
    }

    /**
     * @return DriverStatistic
     * @throws \Cassandra\Exception
     */
    public function getStats(): DriverStatistic
    {
        $result = $this->instance->execute(new Cassandra\SimpleStatement(\sprintf(
            'SELECT SUM(cache_length) as cache_size FROM %s.%s',
            self::CASSANDRA_KEY_SPACE,
            self::CASSANDRA_TABLE
        )));

        return (new DriverStatistic())
            ->setSize($result->first()['cache_size'])
            ->setRawData([])
            ->setData(\implode(', ', \array_keys($this->itemInstances)))
            ->setInfo('The cache size represents only the cache data itself without counting data structures associated to the cache entries.');
    }
}

1			<?php
2			/**
3			*
4			* This file is part of phpFastCache.
5			*
6			* @license MIT License (MIT)
7			*
8			* For full copyright and license information, please see the docs/CREDITS.txt file.
9			*
10			* @author Khoa Bui (khoaofgod) <[email protected]> https://www.phpfastcache.com
11			* @author Georges.L (Geolim4) <[email protected]>
12			*
13			*/
14			declare(strict_types=1);
15
16			namespace Phpfastcache\Drivers\Cassandra;
17
18			use Cassandra;
			0 ignored issues – show Bug introduced 2018-03-05 21:49 UTC by Report Bug Copy Issue Report The type `Cassandra` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
19			use Cassandra\Session as CassandraSession;
			0 ignored issues – show Bug introduced 2018-03-05 21:49 UTC by Report Bug Copy Issue Report The type `Cassandra\Session` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
20			use Phpfastcache\Core\Pool\{
21			DriverBaseTrait, ExtendedCacheItemPoolInterface
22			};
23			use Phpfastcache\Entities\DriverStatistic;
24			use Phpfastcache\Exceptions\{
25			PhpfastcacheInvalidArgumentException, PhpfastcacheLogicException
26			};
27			use Psr\Cache\CacheItemInterface;
28
29			/**
30			* Class Driver
31			* @package phpFastCache\Drivers
32			* @property CassandraSession $instance Instance of driver service
33			* @property Config $config Config object
34			* @method Config getConfig() Return the config object
35			*/
36			class Driver implements ExtendedCacheItemPoolInterface
37			{
38			const CASSANDRA_KEY_SPACE = 'phpfastcache';
39			const CASSANDRA_TABLE = 'cacheItems';
40
41			use DriverBaseTrait;
42
43			/**
44			* @return bool
45			*/
46			public function driverCheck(): bool
47			{
48			return \extension_loaded('Cassandra') && \class_exists(\Cassandra::class);
49			}
50
51			/**
52			* @return bool
53			* @throws PhpfastcacheLogicException
54			* @throws \Cassandra\Exception
55			*/
56			protected function driverConnect(): bool
57			{
58			if ($this->instance instanceof CassandraSession) {
59			throw new PhpfastcacheLogicException('Already connected to Couchbase server');
60			}
61
62			$clientConfig = $this->getConfig();
63
64			$clusterBuilder = Cassandra::cluster()
65			->withContactPoints($clientConfig->getHost())
66			->withPort($clientConfig->getPort());
67
68			if (!empty($clientConfig->isSslEnabled())) {
69			if (!empty($clientConfig->isSslVerify())) {
70			$sslBuilder = Cassandra::ssl()->withVerifyFlags(Cassandra::VERIFY_PEER_CERT);
71			} else {
72			$sslBuilder = Cassandra::ssl()->withVerifyFlags(Cassandra::VERIFY_NONE);
73			}
74
75			$clusterBuilder->withSSL($sslBuilder->build());
76			}
77
78			$clusterBuilder->withConnectTimeout($clientConfig->getTimeout());
79
80			if ($clientConfig->getUsername()) {
81			$clusterBuilder->withCredentials($clientConfig->getUsername(), $clientConfig->getPassword());
82			}
83
84			$this->instance = $clusterBuilder->build()->connect();
85
86			/**
87			* In case of emergency:
88			* $this->instance->execute(
89			* new Cassandra\SimpleStatement(\sprintf("DROP KEYSPACE %s;", self::CASSANDRA_KEY_SPACE))
90			* );
91			*/
92
93			$this->instance->execute(new Cassandra\SimpleStatement(\sprintf(
			0 ignored issues – show Bug introduced 2018-03-05 21:49 UTC by Report Bug Copy Issue Report The type `Cassandra\SimpleStatement` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
94			"CREATE KEYSPACE IF NOT EXISTS %s WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 };",
95			self::CASSANDRA_KEY_SPACE
96			)));
97			$this->instance->execute(new Cassandra\SimpleStatement(\sprintf('USE %s;', self::CASSANDRA_KEY_SPACE)));
98			$this->instance->execute(new Cassandra\SimpleStatement(\sprintf('
99			CREATE TABLE IF NOT EXISTS %s (
100			cache_uuid uuid,
101			cache_id varchar,
102			cache_data text,
103			cache_creation_date timestamp,
104			cache_expiration_date timestamp,
105			cache_length int,
106			PRIMARY KEY (cache_id)
107			);', self::CASSANDRA_TABLE
108			)));
109
110			return true;
111			}
112
113			/**
114			* @param \Psr\Cache\CacheItemInterface $item
115			* @return null\|array
116			*/
117			protected function driverRead(CacheItemInterface $item)
118			{
119			try {
120			$options = new Cassandra\ExecutionOptions([
			0 ignored issues – show Bug introduced 2018-03-05 21:49 UTC by Report Bug Copy Issue Report The type `Cassandra\ExecutionOptions` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
121			'arguments' => ['cache_id' => $item->getKey()],
122			'page_size' => 1,
123			]);
124			$query = \sprintf(
125			'SELECT cache_data FROM %s.%s WHERE cache_id = :cache_id;',
126			self::CASSANDRA_KEY_SPACE,
127			self::CASSANDRA_TABLE
128			);
129			$results = $this->instance->execute(new Cassandra\SimpleStatement($query), $options);
130
131			if ($results instanceof Cassandra\Rows && $results->count() === 1) {
			0 ignored issues – show Bug introduced 2018-03-05 21:49 UTC by Report Bug Copy Issue Report The type `Cassandra\Rows` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
132			return $this->decode($results->first()['cache_data']);
133			}
134
135			return null;
136			} catch (Cassandra\Exception $e) {
			0 ignored issues – show Bug introduced 2018-03-05 21:49 UTC by Report Bug Copy Issue Report The type `Cassandra\Exception` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
137			return null;
138			}
139			}
140
141			/**
142			* @param \Psr\Cache\CacheItemInterface $item
143			* @return bool
144			* @throws PhpfastcacheInvalidArgumentException
145			*/
146			protected function driverWrite(CacheItemInterface $item): bool
147			{
148			/**
149			* Check for Cross-Driver type confusion
150			*/
151			if ($item instanceof Item) {
152			try {
153			$cacheData = $this->encode($this->driverPreWrap($item));
154			$options = new Cassandra\ExecutionOptions([
155			'arguments' => [
156			'cache_uuid' => new Cassandra\Uuid(),
			0 ignored issues – show Bug introduced 2018-03-05 21:49 UTC by Report Bug Copy Issue Report The type `Cassandra\Uuid` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
157			'cache_id' => $item->getKey(),
158			'cache_data' => $cacheData,
159			'cache_creation_date' => new Cassandra\Timestamp((new \DateTime())->getTimestamp()),
			0 ignored issues – show Bug introduced 2018-03-05 21:49 UTC by Report Bug Copy Issue Report The type `Cassandra\Timestamp` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
160			'cache_expiration_date' => new Cassandra\Timestamp($item->getExpirationDate()->getTimestamp()),
161			'cache_length' => strlen($cacheData),
162			],
163			'consistency' => Cassandra::CONSISTENCY_ALL,
164			'serial_consistency' => Cassandra::CONSISTENCY_SERIAL,
165			]);
166
167			$query = \sprintf('INSERT INTO %s.%s
168			(
169			cache_uuid,
170			cache_id,
171			cache_data,
172			cache_creation_date,
173			cache_expiration_date,
174			cache_length
175			)
176			VALUES (:cache_uuid, :cache_id, :cache_data, :cache_creation_date, :cache_expiration_date, :cache_length);
177			', self::CASSANDRA_KEY_SPACE, self::CASSANDRA_TABLE);
178
179			$result = $this->instance->execute(new Cassandra\SimpleStatement($query), $options);
180			/**
181			* There's no real way atm
182			* to know if the item has
183			* been really upserted
184			*/
185			return $result instanceof Cassandra\Rows;
186			} catch (\Cassandra\Exception\InvalidArgumentException $e) {
			0 ignored issues – show Bug introduced 2018-03-05 21:49 UTC by Report Bug Copy Issue Report The type `Cassandra\Exception\InvalidArgumentException` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
187			throw new PhpfastcacheInvalidArgumentException($e, 0, $e);
188			}
189			} else {
190			throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
191			}
192			}
193
194			/**
195			* @param \Psr\Cache\CacheItemInterface $item
196			* @return bool
197			* @throws PhpfastcacheInvalidArgumentException
198			*/
199			protected function driverDelete(CacheItemInterface $item): bool
200			{
201			/**
202			* Check for Cross-Driver type confusion
203			*/
204			if ($item instanceof Item) {
205			try {
206			$options = new Cassandra\ExecutionOptions([
207			'arguments' => [
208			'cache_id' => $item->getKey(),
209			],
210			]);
211			$result = $this->instance->execute(new Cassandra\SimpleStatement(\sprintf(
212			'DELETE FROM %s.%s WHERE cache_id = :cache_id;',
213			self::CASSANDRA_KEY_SPACE,
214			self::CASSANDRA_TABLE
215			)), $options);
216
217			/**
218			* There's no real way atm
219			* to know if the item has
220			* been really deleted
221			*/
222			return $result instanceof Cassandra\Rows;
223			} catch (Cassandra\Exception $e) {
224			return false;
225			}
226			} else {
227			throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
228			}
229			}
230
231			/**
232			* @return bool
233			*/
234			protected function driverClear(): bool
235			{
236			try {
237			$this->instance->execute(new Cassandra\SimpleStatement(\sprintf(
238			'TRUNCATE %s.%s;',
239			self::CASSANDRA_KEY_SPACE, self::CASSANDRA_TABLE
240			)));
241
242			return true;
243			} catch (Cassandra\Exception $e) {
244			return false;
245			}
246			}
247
248			/********************
249			*
250			* PSR-6 Extended Methods
251			*
252			*******************/
253
254			/**
255			* @return string
256			*/
257			public function getHelp(): string
258			{
259			return <<<HELP
260			<p>
261			To install the php Cassandra extension via Pecl:
262			<code>sudo pecl install cassandra</code>
263			More information on: https://github.com/datastax/php-driver
264			Please not that this repository only provide php stubs and C/C++ sources, it does NOT provide php client.
265			</p>
266			HELP;
267			}
268
269			/**
270			* @return DriverStatistic
271			* @throws \Cassandra\Exception
272			*/
273			public function getStats(): DriverStatistic
274			{
275			$result = $this->instance->execute(new Cassandra\SimpleStatement(\sprintf(
276			'SELECT SUM(cache_length) as cache_size FROM %s.%s',
277			self::CASSANDRA_KEY_SPACE,
278			self::CASSANDRA_TABLE
279			)));
280
281			return (new DriverStatistic())
282			->setSize($result->first()['cache_size'])
283			->setRawData([])
284			->setData(\implode(', ', \array_keys($this->itemInstances)))
285			->setInfo('The cache size represents only the cache data itself without counting data structures associated to the cache entries.');
286			}
287			}

PHPSocialNetwork / phpfastcache

Push — master ( 4e7427...4a94bb )

Driver::driverConnect() B

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