Connection::rollBack() - Code Metrics - Inspection of "overrided transaction methods in connection" - lroman242/laravel-cassandra - Measure and Improve Code Quality continuously with Scrutinizer

Test Setup Failed

Push — testing ( cb849e...32e40e )

by Roman

created 2019-05-09 04:53 UTC

Connection::rollBack() A

↳ Parent: Connection

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	4
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	0

<?php

namespace lroman242\LaravelCassandra;

use Cassandra;
use Cassandra\BatchStatement;
use Closure;
use lroman242\LaravelCassandra\Exceptions\NotSupportedException;

class Connection extends \Illuminate\Database\Connection
{
    const DEFAULT_PAGE_SIZE = 5000;
    
    /**
     * The Cassandra keyspace
     *
     * @var string
     */
    protected $keyspace;

    /**
     * The Cassandra cluster
     *
     * @var \Cassandra\Cluster
     */
    protected $cluster;

    /**
     * The Cassandra connection handler.
     *
     * @var \Cassandra\Session
     */
    protected $session;

    /**
     * The config
     *
     * @var array
     */
    protected $config;

    /**
     * Create a new database connection instance.
     *
     * @param  array   $config
     */
    public function __construct(array $config)
    {
        $this->config = $config;
        if (empty($this->config['page_size'])) {
            $this->config['page_size'] = self::DEFAULT_PAGE_SIZE;
        }

        // Create the connection
        $this->cluster = $this->createCluster($config);

        if (isset($config['keyspace'])) {
            $keyspaceName = $config['keyspace'];

            $this->keyspace = $keyspaceName;
            $this->session = $this->cluster->connect($keyspaceName);
        }

        $this->useDefaultPostProcessor();

        $this->useDefaultSchemaGrammar();

        $this->setQueryGrammar($this->getDefaultQueryGrammar());
    }

    /**
     * Begin a fluent query against a database table.
     *
     * @param  string  $table
     * @return Query\Builder
     */
    public function table($table)
    {
        $processor = $this->getPostProcessor();

        $query = new Query\Builder($this, null, $processor);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);

        return $query->from($table);
    }

    /**
     * return Cassandra cluster.
     *
     * @return \Cassandra\Cluster
     */
    public function getCassandraCluster()
    {
        return $this->cluster;
    }

    /**
     * return Cassandra Session.
     *
     * @return \Cassandra\Session
     */
    public function getCassandraSession()
    {
        return $this->session;
    }

    /**
     * Return the Cassandra keyspace
     *
     * @return string
     */
    public function getKeyspace()
    {
        return $this->keyspace;
    }

    /**
     * Create a new Cassandra cluster object.
     *
     * @param  array   $config
     *
     * @return \Cassandra\Cluster
     */
    protected function createCluster(array $config)
    {
        $cluster = Cassandra::cluster();

        // Authentication
        if (isset($config['username']) && isset($config['password'])) {
            $cluster->withCredentials($config['username'], $config['password']);
        }

        // Contact Points/Host
        if (!empty($config['host'])) {
            $contactPoints = $config['host'];

            if (is_string($contactPoints)) {
                $contactPoints = explode(',', $contactPoints);
            }

            call_user_func_array([$cluster, 'withContactPoints'], (array) $contactPoints);
        }

        if (!empty($config['port'])) {
            $cluster->withPort((int) $config['port']);
        }

        $cluster->withDefaultPageSize(intval(!empty($config['page_size']) ? $config['page_size'] : self::DEFAULT_PAGE_SIZE));

        if (isset($config['consistency']) && in_array($config['consistency'], [
                Cassandra::CONSISTENCY_ANY, Cassandra::CONSISTENCY_ONE, Cassandra::CONSISTENCY_TWO,
                Cassandra::CONSISTENCY_THREE, Cassandra::CONSISTENCY_QUORUM, Cassandra::CONSISTENCY_ALL,
                Cassandra::CONSISTENCY_SERIAL, Cassandra::CONSISTENCY_QUORUM, Cassandra::CONSISTENCY_LOCAL_QUORUM,
                Cassandra::CONSISTENCY_EACH_QUORUM, Cassandra::CONSISTENCY_LOCAL_SERIAL, Cassandra::CONSISTENCY_LOCAL_ONE,
            ])) {

            $cluster->withDefaultConsistency($config['consistency']);
        }

        if (!empty($config['timeout'])) {
            $cluster->withDefaultTimeout(intval($config['timeout']));
        }

        if (!empty($config['connect_timeout'])) {
            $cluster->withConnectTimeout(floatval($config['connect_timeout']));
        }

        if (!empty($config['request_timeout'])) {
            $cluster->withRequestTimeout(floatval($config['request_timeout']));
        }

        return $cluster->build();
    }

    /**
     * Disconnect from the underlying Cassandra connection.
     */
    public function disconnect()
    {
        $this->session->close();
        $this->session = null;
    }

    /**
     * Get the PDO driver name.
     *
     * @return string
     */
    public function getDriverName()
    {
        return 'cassandra';
    }

    /**
     * Run a select statement against the database.
     *
     * @param  string  $query
     * @param  array  $bindings
     * @param  bool  $useReadPdo
     * @param  array  $customOptions
     *
     * @return mixed
     */
    public function select($query, $bindings = [], $useReadPdo = true, array $customOptions = [])
    {
        return $this->statement($query, $bindings, $customOptions);
    }

    /**
     * Run an bulk insert statement against the database.
     *
     * @param  array  $queries
     * @param  array  $bindings
     * @param  int  $type
     * @param  array  $customOptions
     *
     * @return bool
     */
    public function insertBulk($queries = [], $bindings = [], $type = Cassandra::BATCH_LOGGED, array $customOptions = [])
    {
        return $this->batchStatement($queries, $bindings, $type, $customOptions);
    }

    /**
     * Execute a group of queries inside a batch statement against the database.
     *
     * @param  array  $queries
     * @param  array  $bindings
     * @param  int  $type
     * @param  array  $customOptions
     *
     * @return bool
     */
    public function batchStatement($queries = [], $bindings = [], $type = Cassandra::BATCH_LOGGED, array $customOptions = [])
    {
        return $this->run($queries, $bindings, function ($queries, $bindings) use ($type, $customOptions) {
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            if ($this->pretending()) {
                return [];
            }

            $batch = new BatchStatement($type);

            foreach ($queries as $k => $query) {
                $preparedStatement = $this->session->prepare($query);
                $batch->add($preparedStatement, $bindings[$k]);
            }

            return $this->session->execute($batch, $customOptions);
        });
    }

    /**
     * Execute an CQL statement and return the boolean result.
     *
     * @param  string  $query
     * @param  array   $bindings
     * @param  array  $customOptions
     *
     * @return mixed
     */
    public function statement($query, $bindings = [], array $customOptions = [])
    {
        return $this->runStatement($query, $bindings, $customOptions);
    }

    /**
     * Because Cassandra is an eventually consistent database, it's not possible to obtain
     * the affected count for statements so we're just going to return 0, based on the idea
     * that if the query fails somehow, an exception will be thrown
     *
     * @param  string  $query
     * @param  array   $bindings
     * @param  array  $customOptions
     *
     * @return int
     */
    public function affectingStatement($query, $bindings = [], array $customOptions = [])
    {
        return $this->runStatement($query, $bindings, $customOptions, 0, 1);
    }

    /**
     * @inheritdoc
     */
    protected function getDefaultPostProcessor()
    {
        return new Query\Processor();
    }

    /**
     * @inheritdoc
     */
    protected function getDefaultQueryGrammar()
    {
        return new Query\Grammar();
    }

    /**
     * @inheritdoc
     */
    protected function getDefaultSchemaGrammar()
    {
        //return new Schema\Grammar();
    }

    /**
     * Reconnect to the database if connection is missing.
     *
     * @return void
     */
    protected function reconnectIfMissingConnection()
    {
        if (is_null($this->session)) {
            $this->session = $this->createCluster($this->config)->connect($this->keyspace);
        }
    }

    /**
     * Dynamically pass methods to the connection.
     *
     * @param  string  $method
     * @param  array   $parameters
     * @return mixed
     */
    public function __call($method, $parameters)
    {
        return call_user_func_array([$this->cluster, $method], $parameters);
    }

    /**
     * Execute an CQL statement and return the boolean result.
     *
     * @param string $query
     * @param array $bindings
     * @param array $customOptions
     * @param mixed $defaultFailed
     * @param mixed $defaultSuccess
     *
     * @return mixed
     */
    protected function runStatement($query, $bindings = [], array $customOptions = [], $defaultFailed = [], $defaultSuccess = null)
    {
        return $this->run($query, $bindings, function ($query, $bindings) use ($customOptions, $defaultFailed, $defaultSuccess) {
            if ($this->pretending()) {
                return $defaultFailed;
            }

            $preparedStatement = $this->session->prepare($query);

            //Add bindings
            $customOptions['arguments'] = $bindings;

            $result = $this->session->execute($preparedStatement, $customOptions);

            return $defaultSuccess === null ? $result : $defaultSuccess;
        });
    }

    /**
     * @inheritDoc
     */
    public function transaction()
    {
        throw new NotSupportedException("Transactions is not supported by Cassandra database");
    }

    /**
     * @inheritDoc
     */
    public function beginTransaction()
    {
        throw new NotSupportedException("Transactions is not supported by Cassandra database");
    }

    /**
     * @inheritDoc
     */
    public function commit()
    {
        throw new NotSupportedException("Transactions is not supported by Cassandra database");
    }

    /**
     * @inheritDoc
     */
    public function rollBack()
    {
        throw new NotSupportedException("Transactions is not supported by Cassandra database");
    }

    /**
     * @inheritDoc
     */
    public function transactionLevel()
    {
        throw new NotSupportedException("Transactions is not supported by Cassandra database");
    }

    //TODO: override isDoctrineAvailable method
    //TODO: override getDoctrineColumn method
    //TODO: override getDoctrineSchemaManager method
    //TODO: override getDoctrineConnection method
    //TODO: override getPdo method
    //TODO: override getReadPdo method
    //TODO: override setPdo method
    //TODO: override setReadPdo method
    //TODO: override setReconnector method
    //TODO: override reconnect method
    //TODO: override query method

    //TODO: override bindValues method
    //TODO: override cursor method
    //TODO: override unprepared method

    //TODO: check prepareBindings method

    //TODO: provide interface for $this->session->executeAsync
    //TODO: provide interface for $this->session->prepareAsync
    //TODO: provide interface for $this->session->closeAsync
    //TODO: provide interface for $this->session->schema
}


1			<?php
2
3			namespace lroman242\LaravelCassandra;
4
5			use Cassandra;
6			use Cassandra\BatchStatement;
7			use Closure;
8			use lroman242\LaravelCassandra\Exceptions\NotSupportedException;
9
10			class Connection extends \Illuminate\Database\Connection
11			{
12			const DEFAULT_PAGE_SIZE = 5000;
13
14			/**
15			* The Cassandra keyspace
16			*
17			* @var string
18			*/
19			protected $keyspace;
20
21			/**
22			* The Cassandra cluster
23			*
24			* @var \Cassandra\Cluster
25			*/
26			protected $cluster;
27
28			/**
29			* The Cassandra connection handler.
30			*
31			* @var \Cassandra\Session
32			*/
33			protected $session;
34
35			/**
36			* The config
37			*
38			* @var array
39			*/
40			protected $config;
41
42			/**
43			* Create a new database connection instance.
44			*
45			* @param array $config
46			*/
47			public function __construct(array $config)
48			{
49			$this->config = $config;
50			if (empty($this->config['page_size'])) {
51			$this->config['page_size'] = self::DEFAULT_PAGE_SIZE;
52			}
53
54			// Create the connection
55			$this->cluster = $this->createCluster($config);
56
57			if (isset($config['keyspace'])) {
58			$keyspaceName = $config['keyspace'];
59
60			$this->keyspace = $keyspaceName;
61			$this->session = $this->cluster->connect($keyspaceName);
62			}
63
64			$this->useDefaultPostProcessor();
65
66			$this->useDefaultSchemaGrammar();
67
68			$this->setQueryGrammar($this->getDefaultQueryGrammar());
69			}
70
71			/**
72			* Begin a fluent query against a database table.
73			*
74			* @param string $table
75			* @return Query\Builder
76			*/
77			public function table($table)
78			{
79			$processor = $this->getPostProcessor();
80
81			$query = new Query\Builder($this, null, $processor);
			0 ignored issues – show Documentation introduced 2019-04-24 19:07 UTC by Report Bug Copy Issue Report `$processor` is of type `object<Illuminate\Databa...y\Processors\Processor>`, but the function expects a `null\|object<lroman242\La...sandra\Query\Processor>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
82
83			return $query->from($table);
84			}
85
86			/**
87			* return Cassandra cluster.
88			*
89			* @return \Cassandra\Cluster
90			*/
91			public function getCassandraCluster()
92			{
93			return $this->cluster;
94			}
95
96			/**
97			* return Cassandra Session.
98			*
99			* @return \Cassandra\Session
100			*/
101			public function getCassandraSession()
102			{
103			return $this->session;
104			}
105
106			/**
107			* Return the Cassandra keyspace
108			*
109			* @return string
110			*/
111			public function getKeyspace()
112			{
113			return $this->keyspace;
114			}
115
116			/**
117			* Create a new Cassandra cluster object.
118			*
119			* @param array $config
120			*
121			* @return \Cassandra\Cluster
122			*/
123			protected function createCluster(array $config)
124			{
125			$cluster = Cassandra::cluster();
126
127			// Authentication
128			if (isset($config['username']) && isset($config['password'])) {
129			$cluster->withCredentials($config['username'], $config['password']);
130			}
131
132			// Contact Points/Host
133			if (!empty($config['host'])) {
134			$contactPoints = $config['host'];
135
136			if (is_string($contactPoints)) {
137			$contactPoints = explode(',', $contactPoints);
138			}
139
140			call_user_func_array([$cluster, 'withContactPoints'], (array) $contactPoints);
141			}
142
143			if (!empty($config['port'])) {
144			$cluster->withPort((int) $config['port']);
145			}
146
147			$cluster->withDefaultPageSize(intval(!empty($config['page_size']) ? $config['page_size'] : self::DEFAULT_PAGE_SIZE));
148
149			if (isset($config['consistency']) && in_array($config['consistency'], [
150			Cassandra::CONSISTENCY_ANY, Cassandra::CONSISTENCY_ONE, Cassandra::CONSISTENCY_TWO,
151			Cassandra::CONSISTENCY_THREE, Cassandra::CONSISTENCY_QUORUM, Cassandra::CONSISTENCY_ALL,
152			Cassandra::CONSISTENCY_SERIAL, Cassandra::CONSISTENCY_QUORUM, Cassandra::CONSISTENCY_LOCAL_QUORUM,
153			Cassandra::CONSISTENCY_EACH_QUORUM, Cassandra::CONSISTENCY_LOCAL_SERIAL, Cassandra::CONSISTENCY_LOCAL_ONE,
154			])) {
155
156			$cluster->withDefaultConsistency($config['consistency']);
157			}
158
159			if (!empty($config['timeout'])) {
160			$cluster->withDefaultTimeout(intval($config['timeout']));
161			}
162
163			if (!empty($config['connect_timeout'])) {
164			$cluster->withConnectTimeout(floatval($config['connect_timeout']));
165			}
166
167			if (!empty($config['request_timeout'])) {
168			$cluster->withRequestTimeout(floatval($config['request_timeout']));
169			}
170
171			return $cluster->build();
172			}
173
174			/**
175			* Disconnect from the underlying Cassandra connection.
176			*/
177			public function disconnect()
178			{
179			$this->session->close();
180			$this->session = null;
181			}
182
183			/**
184			* Get the PDO driver name.
185			*
186			* @return string
187			*/
188			public function getDriverName()
189			{
190			return 'cassandra';
191			}
192
193			/**
194			* Run a select statement against the database.
195			*
196			* @param string $query
197			* @param array $bindings
198			* @param bool $useReadPdo
199			* @param array $customOptions
200			*
201			* @return mixed
202			*/
203			public function select($query, $bindings = [], $useReadPdo = true, array $customOptions = [])
204			{
205			return $this->statement($query, $bindings, $customOptions);
206			}
207
208			/**
209			* Run an bulk insert statement against the database.
210			*
211			* @param array $queries
212			* @param array $bindings
213			* @param int $type
214			* @param array $customOptions
215			*
216			* @return bool
217			*/
218			public function insertBulk($queries = [], $bindings = [], $type = Cassandra::BATCH_LOGGED, array $customOptions = [])
219			{
220			return $this->batchStatement($queries, $bindings, $type, $customOptions);
221			}
222
223			/**
224			* Execute a group of queries inside a batch statement against the database.
225			*
226			* @param array $queries
227			* @param array $bindings
228			* @param int $type
229			* @param array $customOptions
230			*
231			* @return bool
232			*/
233			public function batchStatement($queries = [], $bindings = [], $type = Cassandra::BATCH_LOGGED, array $customOptions = [])
234			{
235			return $this->run($queries, $bindings, function ($queries, $bindings) use ($type, $customOptions) {
			0 ignored issues – show Documentation introduced 2019-04-28 15:42 UTC by Report Bug Copy Issue Report `$queries` is of type `array`, but the function expects a `string`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
236			if ($this->pretending()) {
237			return [];
238			}
239
240			$batch = new BatchStatement($type);
241
242			foreach ($queries as $k => $query) {
243			$preparedStatement = $this->session->prepare($query);
244			$batch->add($preparedStatement, $bindings[$k]);
245			}
246
247			return $this->session->execute($batch, $customOptions);
248			});
249			}
250
251			/**
252			* Execute an CQL statement and return the boolean result.
253			*
254			* @param string $query
255			* @param array $bindings
256			* @param array $customOptions
257			*
258			* @return mixed
259			*/
260			public function statement($query, $bindings = [], array $customOptions = [])
261			{
262			return $this->runStatement($query, $bindings, $customOptions);
263			}
264
265			/**
266			* Because Cassandra is an eventually consistent database, it's not possible to obtain
267			* the affected count for statements so we're just going to return 0, based on the idea
268			* that if the query fails somehow, an exception will be thrown
269			*
270			* @param string $query
271			* @param array $bindings
272			* @param array $customOptions
273			*
274			* @return int
275			*/
276			public function affectingStatement($query, $bindings = [], array $customOptions = [])
277			{
278			return $this->runStatement($query, $bindings, $customOptions, 0, 1);
279			}
280
281			/**
282			* @inheritdoc
283			*/
284			protected function getDefaultPostProcessor()
285			{
286			return new Query\Processor();
287			}
288
289			/**
290			* @inheritdoc
291			*/
292			protected function getDefaultQueryGrammar()
293			{
294			return new Query\Grammar();
295			}
296
297			/**
298			* @inheritdoc
299			*/
300			protected function getDefaultSchemaGrammar()
301			{
302			//return new Schema\Grammar();
303			}
304
305			/**
306			* Reconnect to the database if connection is missing.
307			*
308			* @return void
309			*/
310			protected function reconnectIfMissingConnection()
311			{
312			if (is_null($this->session)) {
313			$this->session = $this->createCluster($this->config)->connect($this->keyspace);
314			}
315			}
316
317			/**
318			* Dynamically pass methods to the connection.
319			*
320			* @param string $method
321			* @param array $parameters
322			* @return mixed
323			*/
324			public function __call($method, $parameters)
325			{
326			return call_user_func_array([$this->cluster, $method], $parameters);
327			}
328
329			/**
330			* Execute an CQL statement and return the boolean result.
331			*
332			* @param string $query
333			* @param array $bindings
334			* @param array $customOptions
335			* @param mixed $defaultFailed
336			* @param mixed $defaultSuccess
337			*
338			* @return mixed
339			*/
340			protected function runStatement($query, $bindings = [], array $customOptions = [], $defaultFailed = [], $defaultSuccess = null)
341			{
342			return $this->run($query, $bindings, function ($query, $bindings) use ($customOptions, $defaultFailed, $defaultSuccess) {
343			if ($this->pretending()) {
344			return $defaultFailed;
345			}
346
347			$preparedStatement = $this->session->prepare($query);
348
349			//Add bindings
350			$customOptions['arguments'] = $bindings;
351
352			$result = $this->session->execute($preparedStatement, $customOptions);
353
354			return $defaultSuccess === null ? $result : $defaultSuccess;
355			});
356			}
357
358			/**
359			* @inheritDoc
360			*/
361			public function transaction()
362			{
363			throw new NotSupportedException("Transactions is not supported by Cassandra database");
364			}
365
366			/**
367			* @inheritDoc
368			*/
369			public function beginTransaction()
370			{
371			throw new NotSupportedException("Transactions is not supported by Cassandra database");
372			}
373
374			/**
375			* @inheritDoc
376			*/
377			public function commit()
378			{
379			throw new NotSupportedException("Transactions is not supported by Cassandra database");
380			}
381
382			/**
383			* @inheritDoc
384			*/
385			public function rollBack()
386			{
387			throw new NotSupportedException("Transactions is not supported by Cassandra database");
388			}
389
390			/**
391			* @inheritDoc
392			*/
393			public function transactionLevel()
394			{
395			throw new NotSupportedException("Transactions is not supported by Cassandra database");
396			}
397
398			//TODO: override isDoctrineAvailable method
399			//TODO: override getDoctrineColumn method
400			//TODO: override getDoctrineSchemaManager method
401			//TODO: override getDoctrineConnection method
402			//TODO: override getPdo method
403			//TODO: override getReadPdo method
404			//TODO: override setPdo method
405			//TODO: override setReadPdo method
406			//TODO: override setReconnector method
407			//TODO: override reconnect method
408			//TODO: override query method
409
410			//TODO: override bindValues method
411			//TODO: override cursor method
412			//TODO: override unprepared method
413
414			//TODO: check prepareBindings method
415
416			//TODO: provide interface for $this->session->executeAsync
417			//TODO: provide interface for $this->session->prepareAsync
418			//TODO: provide interface for $this->session->closeAsync
419			//TODO: provide interface for $this->session->schema
420			}
421

lroman242 / laravel-cassandra

Push — testing ( cb849e...32e40e )

Connection::rollBack() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

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