ShardingInsertQuery::__construct() - Code Metrics - Inspection of "Allow developper to choose manually the shard on t..." - b2pweb/bdf-prime - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8c2434...6692d3 )

by Sébastien

created 2020-06-30 12:38 UTC

ShardingInsertQuery::__construct() A

↳ Parent: ShardingInsertQuery

Complexity

Conditions	2
Paths	1

Size

Total Lines	5
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	2
dl	0
loc	5
c	1
b	0
f	0
ccs	3
cts	3
cp	1
rs	10
cc	2
nc	1
nop	2
crap	2

<?php

namespace Bdf\Prime\Sharding\Query;

use Bdf\Prime\Connection\ConnectionInterface;
use Bdf\Prime\Query\CommandInterface;
use Bdf\Prime\Query\CompilableClause;
use Bdf\Prime\Query\Compiler\CompilerInterface;
use Bdf\Prime\Query\Compiler\Preprocessor\DefaultPreprocessor;
use Bdf\Prime\Query\Compiler\Preprocessor\PreprocessorInterface;
use Bdf\Prime\Query\Contract\Cachable;
use Bdf\Prime\Query\Contract\Query\InsertQueryInterface;
use Bdf\Prime\Query\Custom\BulkInsert\BulkInsertQuery;
use Bdf\Prime\Query\Extension\CachableTrait;
use Bdf\Prime\Sharding\Extension\ShardPicker;
use Bdf\Prime\Sharding\ShardingConnection;

/**
 * Handle INSERT operations on Sharding connection set
 * The shard will be choosed using inserted data value, and the operation will be delegated to the shard connection

 */
class ShardingInsertQuery extends CompilableClause implements InsertQueryInterface, CommandInterface, Cachable
{
    use CachableTrait;
    use ShardPicker;

    /**
     * The DBAL Connection.
     *
     * @var ShardingConnection
     */
    private $connection;

    /**
     * @var string
     */
    private $table;

    /**
     * @var string[]
     */
    private $columns = [];

    /**
     * @var string
     */
    private $mode = self::MODE_INSERT;

    /**
     * @var array
     */
    private $values = [];

    /**
     * Queries indexed by shard id
     *
     * @var BulkInsertQuery[]
     */
    private $queries = [];

    /**
     * @var BulkInsertQuery
     */
    private $currentQuery;


    /**
     * ShardingInsertQuery constructor.
     *
     * @param ShardingConnection $connection
     * @param PreprocessorInterface $preprocessor
     */
    public function __construct(ShardingConnection $connection, PreprocessorInterface $preprocessor = null)

    {
        parent::__construct($preprocessor ?: new DefaultPreprocessor());


        $this->connection = $connection;
    }

    /**
     * {@inheritdoc}
     */
    public function compiler() { }


    /**

     * {@inheritdoc}
     */
    public function setCompiler(CompilerInterface $compiler) { }


    /**
     * {@inheritdoc}
     */
    public function connection()
    {
        return $this->connection;
    }

    /**

     * {@inheritdoc}
     */
    public function on(ConnectionInterface $connection)
    {
        $this->connection = $connection;
class Alien {}

class Dalek extends Alien {}

class Plot
{
    /** @var  Dalek */
    public $villain;
}

$alien = new Alien();
$plot = new Plot();
if ($alien instanceof Dalek) {
    $plot->villain = $alien;
}
        $this->queries = [];
        $this->currentQuery = null;
    }

    /**

     * {@inheritdoc}
     */
    public function from($from, $alias = null)

    {
        return $this->into($from);
    }

    /**

     * {@inheritdoc}
     */

    public function bulk($flag = true)
    {
        throw new \BadMethodCallException('Bulk insert is not (yet ?) supported by sharding connection');
    }

    /**

     * {@inheritdoc}
     */
    public function into($table)
    {
        $this->table = $table;

        foreach ($this->queries as $query) {
            $query->into($table);
        }

        return $this;
    }

    /**

     * {@inheritdoc}
     */
    public function columns(array $columns)
    {
        $this->columns = $columns;

        foreach ($this->queries as $query) {
            $query->columns($columns);
        }

        return $this;
    }

    /**

     * {@inheritdoc}
     */
    public function values(array $data, $replace = false)

    {
        $this->values = $data;
        $this->currentQuery = null;

        $this->currentQuery()->values($data);

        return $this;
    }

    /**

     * {@inheritdoc}
     */
    public function mode($mode)
    {
        $this->mode = $mode;

        foreach ($this->queries as $query) {
            $query->mode($mode);
        }

        return $this;
    }

    /**

     * {@inheritdoc}
     */
    public function ignore($flag = true)
    {
        return $this->mode($flag ? self::MODE_IGNORE : self::MODE_INSERT);

    }

    /**

     * {@inheritdoc}
     */
    public function replace($flag = true)
    {
        return $this->mode($flag ? self::MODE_REPLACE : self::MODE_INSERT);

    }

    /**

     * {@inheritdoc}
     */
    public function execute($columns = null)
    {
        $count = $this->currentQuery()->execute($columns);

        if ($count > 0) {
            $this->clearCacheOnWrite();
        }

        return $count;
interface HasName {
    /** @return string */
    public function getName();
}

class Name {
    public $name;
}

class User implements HasName {
    /** @return string|Name */
    public function getName() {
        return new Name('foo'); // This is a violation of the ``HasName`` interface
                                // which only allows a string value to be returned.
    }
}
    }

    /**
     * Get the query associated to the matching sharding
     *
     * @return BulkInsertQuery
     */
    private function currentQuery()

    {
        if ($this->currentQuery !== null) {
            return $this->currentQuery;
        }

        $shardId = $this->getShardId();

        if (isset($this->queries[$shardId])) {
            return $this->queries[$shardId];
        }

        /** @var BulkInsertQuery $query */

        $query = $this->connection->getConnection($shardId)->make(BulkInsertQuery::class, $this->preprocessor());

        $query
            ->setCache($this->cache)

            ->into($this->table)

            ->columns($this->columns)

            ->mode($this->mode)

        ;


        return $this->currentQuery = $this->queries[$shardId] = $query;

    }

    /**
     * Get the targeted shard ID
     *
     * @return string|null
     */

    private function getShardId()

    {
        if ($this->shardId !== null) {
            return $this->shardId;
        }

        $distributionKey = $this->connection->getDistributionKey();

        if (!isset($this->values[$distributionKey])) {
            throw new \LogicException('The value "'.$distributionKey.'" must be provided for selecting the sharding');
        }

        return $this->connection->getShardChoser()->pick($this->values[$distributionKey], $this->connection);
    }

    /**
     * {@inheritdoc}
     */
    protected function cacheNamespace()
    {
        return $this->connection->getName().':'.$this->table;
    }
}


1		<?php
2
3		namespace Bdf\Prime\Sharding\Query;
4
5		use Bdf\Prime\Connection\ConnectionInterface;
6		use Bdf\Prime\Query\CommandInterface;
7		use Bdf\Prime\Query\CompilableClause;
8		use Bdf\Prime\Query\Compiler\CompilerInterface;
9		use Bdf\Prime\Query\Compiler\Preprocessor\DefaultPreprocessor;
10		use Bdf\Prime\Query\Compiler\Preprocessor\PreprocessorInterface;
11		use Bdf\Prime\Query\Contract\Cachable;
12		use Bdf\Prime\Query\Contract\Query\InsertQueryInterface;
13		use Bdf\Prime\Query\Custom\BulkInsert\BulkInsertQuery;
14		use Bdf\Prime\Query\Extension\CachableTrait;
15		use Bdf\Prime\Sharding\Extension\ShardPicker;
16		use Bdf\Prime\Sharding\ShardingConnection;
17
18		/**
19		* Handle INSERT operations on Sharding connection set
20		* The shard will be choosed using inserted data value, and the operation will be delegated to the shard connection
		0 ignored issues – show introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Doc comment short description must be on a single line, further text should be a separate paragraph Loading history...
21		*/
22		class ShardingInsertQuery extends CompilableClause implements InsertQueryInterface, CommandInterface, Cachable
23		{
24		use CachableTrait;
25		use ShardPicker;
26
27		/**
28		* The DBAL Connection.
29		*
30		* @var ShardingConnection
31		*/
32		private $connection;
33
34		/**
35		* @var string
36		*/
37		private $table;
38
39		/**
40		* @var string[]
41		*/
42		private $columns = [];
43
44		/**
45		* @var string
46		*/
47		private $mode = self::MODE_INSERT;
48
49		/**
50		* @var array
51		*/
52		private $values = [];
53
54		/**
55		* Queries indexed by shard id
56		*
57		* @var BulkInsertQuery[]
58		*/
59		private $queries = [];
60
61		/**
62		* @var BulkInsertQuery
63		*/
64		private $currentQuery;
65
66
67		/**
68		* ShardingInsertQuery constructor.
69		*
70		* @param ShardingConnection $connection
71		* @param PreprocessorInterface $preprocessor
72		*/
73	31	public function __construct(ShardingConnection $connection, PreprocessorInterface $preprocessor = null)
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Expected 1 blank line before function; 2 found Loading history...
74		{
75	31	parent::__construct($preprocessor ?: new DefaultPreprocessor());
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Inline IF statements are not allowed Loading history... Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Inline shorthand IF statement requires brackets around comparison Loading history...
76
77	31	$this->connection = $connection;
78	31	}
79
80		/**
81		* {@inheritdoc}
82		*/
83		public function compiler() { }
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Opening brace should be on a new line Loading history... introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report There should be no white space after an opening "{" Loading history... introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report There should be no white space before a closing "}" Loading history...
84
85		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$compiler` should have a doc-comment as per coding-style. Loading history...
86		* {@inheritdoc}
87		*/
88		public function setCompiler(CompilerInterface $compiler) { }
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Opening brace should be on a new line Loading history... introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report There should be no white space after an opening "{" Loading history... introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report There should be no white space before a closing "}" Loading history...
89
90		/**
91		* {@inheritdoc}
92		*/
93		public function connection()
94		{
95		return $this->connection;
96		}
97
98		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$connection` should have a doc-comment as per coding-style. Loading history...
99		* {@inheritdoc}
100		*/
101		public function on(ConnectionInterface $connection)
102		{
103		$this->connection = $connection;
		0 ignored issues – show Documentation Bug introduced 2020-05-22 09:38 UTC by Report Bug Copy Issue Report `$connection` is of type `Bdf\Prime\Connection\ConnectionInterface`, but the property `$connection` was declared to be of type `Bdf\Prime\Sharding\ShardingConnection`. Are you sure that you always receive this specific sub-class here, or does it make sense to add an `instanceof` check? Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a given class or a super-class is assigned to a property that is type hinted more strictly. Either this assignment is in error or an instanceof check should be added for that assignment. class Alien {} class Dalek extends Alien {} class Plot { /** @var Dalek */ public $villain; } $alien = new Alien(); $plot = new Plot(); if ($alien instanceof Dalek) { $plot->villain = $alien; } Loading history...
104		$this->queries = [];
105		$this->currentQuery = null;
106		}
107
108		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$from` should have a doc-comment as per coding-style. Loading history... Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$alias` should have a doc-comment as per coding-style. Loading history...
109		* {@inheritdoc}
110		*/
111	19	public function from($from, $alias = null)
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report The method parameter $alias is never used Loading history...
112		{
113	19	return $this->into($from);
114		}
115
116		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$flag` should have a doc-comment as per coding-style. Loading history...
117		* {@inheritdoc}
118		*/
		0 ignored issues – show Coding Style Documentation introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Missing @throws tag in function comment Loading history...
119		public function bulk($flag = true)
120		{
121		throw new \BadMethodCallException('Bulk insert is not (yet ?) supported by sharding connection');
122		}
123
124		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$table` should have a doc-comment as per coding-style. Loading history...
125		* {@inheritdoc}
126		*/
127	30	public function into($table)
128		{
129	30	$this->table = $table;
130
131	30	foreach ($this->queries as $query) {
132	1	$query->into($table);
133		}
134
135	30	return $this;
136		}
137
138		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$columns` should have a doc-comment as per coding-style. Loading history...
139		* {@inheritdoc}
140		*/
141	20	public function columns(array $columns)
142		{
143	20	$this->columns = $columns;
144
145	20	foreach ($this->queries as $query) {
146	1	$query->columns($columns);
147		}
148
149	20	return $this;
150		}
151
152		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$data` should have a doc-comment as per coding-style. Loading history... Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$replace` should have a doc-comment as per coding-style. Loading history...
153		* {@inheritdoc}
154		*/
155	29	public function values(array $data, $replace = false)
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report The method parameter $replace is never used Loading history...
156		{
157	29	$this->values = $data;
158	29	$this->currentQuery = null;
159
160	29	$this->currentQuery()->values($data);
161
162	29	return $this;
163		}
164
165		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$mode` should have a doc-comment as per coding-style. Loading history...
166		* {@inheritdoc}
167		*/
168	21	public function mode($mode)
169		{
170	21	$this->mode = $mode;
171
172	21	foreach ($this->queries as $query) {
173	11	$query->mode($mode);
174		}
175
176	21	return $this;
177		}
178
179		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$flag` should have a doc-comment as per coding-style. Loading history...
180		* {@inheritdoc}
181		*/
182	20	public function ignore($flag = true)
183		{
184	20	return $this->mode($flag ? self::MODE_IGNORE : self::MODE_INSERT);
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Inline IF statements are not allowed Loading history... Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Inline shorthand IF statement requires brackets around comparison Loading history...
185		}
186
187		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$flag` should have a doc-comment as per coding-style. Loading history...
188		* {@inheritdoc}
189		*/
190	1	public function replace($flag = true)
191		{
192	1	return $this->mode($flag ? self::MODE_REPLACE : self::MODE_INSERT);
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Inline IF statements are not allowed Loading history... Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Inline shorthand IF statement requires brackets around comparison Loading history...
193		}
194
195		/**
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Parameter `$columns` should have a doc-comment as per coding-style. Loading history...
196		* {@inheritdoc}
197		*/
198	30	public function execute($columns = null)
199		{
200	30	$count = $this->currentQuery()->execute($columns);
201
202	29	if ($count > 0) {
203	29	$this->clearCacheOnWrite();
204		}
205
206	29	return $count;
		0 ignored issues – show Bug Best Practice introduced 2020-05-22 09:38 UTC by Report Bug Copy Issue Report The expression `return $count` returns the type `array` which is incompatible with the return type mandated by `Bdf\Prime\Query\Contract...eryInterface::execute()` of `integer`. In the issue above, the returned value is violating the contract defined by the mentioned interface. Let's take a look at an example: interface HasName { /** @return string / public function getName(); } class Name { public $name; } class User implements HasName { /* @return string\|Name */ public function getName() { return new Name('foo'); // This is a violation of the ``HasName`` interface // which only allows a string value to be returned. } } Loading history...
207		}
208
209		/**
210		* Get the query associated to the matching sharding
211		*
212		* @return BulkInsertQuery
213		*/
214	30	private function currentQuery()
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Private method name "ShardingInsertQuery::currentQuery" must be prefixed with an underscore Loading history...
215		{
216	30	if ($this->currentQuery !== null) {
217	29	return $this->currentQuery;
218		}
219
220	30	$shardId = $this->getShardId();
221
222	29	if (isset($this->queries[$shardId])) {
223	11	return $this->queries[$shardId];
224		}
225
226		/** @var BulkInsertQuery $query */
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Inline doc block comments are not allowed; use "/* Comment /" or "// Comment" instead Loading history... Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Block comments must be started with / Loading history... Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report The open comment tag must be the only content on the line Loading history... Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report The close comment tag must be the only content on the line Loading history...
227	29	$query = $this->connection->getConnection($shardId)->make(BulkInsertQuery::class, $this->preprocessor());
228
229		$query
230	29	->setCache($this->cache)
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Space found before object operator Loading history... introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Object operator not indented correctly; expected 10 spaces but found 12 Loading history...
231	29	->into($this->table)
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Space found before object operator Loading history...
232	29	->columns($this->columns)
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Space found before object operator Loading history...
233	29	->mode($this->mode)
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Space found before object operator Loading history... Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Space after closing parenthesis of function call prohibited Loading history...
234		;
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Space found before semicolon; expected ");" but found ") ;" Loading history...
235
236	29	return $this->currentQuery = $this->queries[$shardId] = $query;
		0 ignored issues – show Coding Style introduced 2020-05-22 09:39 UTC by Report Bug Copy Issue Report Assignments must be the first block of code on a line Loading history...
237		}
238
239		/**
240		* Get the targeted shard ID
241		*
242		* @return string\|null
243		*/
		0 ignored issues – show Coding Style Documentation introduced 2020-06-30 12:52 UTC by Report Bug Copy Issue Report Missing @throws tag in function comment Loading history...
244	30	private function getShardId()
		0 ignored issues – show Coding Style introduced 2020-06-30 12:52 UTC by Report Bug Copy Issue Report Private method name "ShardingInsertQuery::getShardId" must be prefixed with an underscore Loading history...
245		{
246	30	if ($this->shardId !== null) {
247	2	return $this->shardId;
248		}
249
250	28	$distributionKey = $this->connection->getDistributionKey();
251
252	28	if (!isset($this->values[$distributionKey])) {
253	1	throw new \LogicException('The value "'.$distributionKey.'" must be provided for selecting the sharding');
254		}
255
256	27	return $this->connection->getShardChoser()->pick($this->values[$distributionKey], $this->connection);
257		}
258
259		/**
260		* {@inheritdoc}
261		*/
262	1	protected function cacheNamespace()
263		{
264	1	return $this->connection->getName().':'.$this->table;
265		}
266		}
267

b2pweb / bdf-prime

Push — master ( 8c2434...6692d3 )

ShardingInsertQuery::__construct() A

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