Schema::getName() - Code Metrics - Inspection of "Enforce parameter and return value types in the co..." - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — develop (#3348)

by Sergei

created 2019-05-23 14:54 UTC

Schema::getName() A

↳ Parent: Schema

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
eloc	3
dl	0
loc	6
ccs	0
cts	2
cp	0
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	0
crap	2

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Schema;

use Doctrine\DBAL\Platforms\AbstractPlatform;
use Doctrine\DBAL\Schema\Exception\NamespaceAlreadyExists;
use Doctrine\DBAL\Schema\Exception\SequenceAlreadyExists;
use Doctrine\DBAL\Schema\Exception\SequenceDoesNotExist;
use Doctrine\DBAL\Schema\Exception\TableAlreadyExists;
use Doctrine\DBAL\Schema\Exception\TableDoesNotExist;
use Doctrine\DBAL\Schema\Visitor\CreateSchemaSqlCollector;
use Doctrine\DBAL\Schema\Visitor\DropSchemaSqlCollector;
use Doctrine\DBAL\Schema\Visitor\NamespaceVisitor;
use Doctrine\DBAL\Schema\Visitor\Visitor;
use function array_keys;
use function assert;
use function is_string;
use function strpos;
use function strtolower;

/**
 * Object representation of a database schema.
 *
 * Different vendors have very inconsistent naming with regard to the concept
 * of a "schema". Doctrine understands a schema as the entity that conceptually
 * wraps a set of database objects such as tables, sequences, indexes and
 * foreign keys that belong to each other into a namespace. A Doctrine Schema
 * has nothing to do with the "SCHEMA" defined as in PostgreSQL, it is more
 * related to the concept of "DATABASE" that exists in MySQL and PostgreSQL.
 *
 * Every asset in the doctrine schema has a name. A name consists of either a
 * namespace.local name pair or just a local unqualified name.
 *
 * The abstraction layer that covers a PostgreSQL schema is the namespace of an
 * database object (asset). A schema can have a name, which will be used as
 * default namespace for the unqualified database objects that are created in
 * the schema.
 *
 * In the case of MySQL where cross-database queries are allowed this leads to
 * databases being "misinterpreted" as namespaces. This is intentional, however
 * the CREATE/DROP SQL visitors will just filter this queries and do not
 * execute them. Only the queries for the currently connected database are
 * executed.
 */
class Schema extends AbstractAsset
{
    /**
     * The namespaces in this schema.
     *
     * @var string[]
     */
    private $namespaces = [];

    /** @var Table[] */
    protected $_tables = [];

    /** @var Sequence[] */
    protected $_sequences = [];

    /** @var SchemaConfig */
    protected $_schemaConfig = false;

    /**
     * @param Table[]    $tables
     * @param Sequence[] $sequences
     * @param string[]   $namespaces
     */
    public function __construct(
        array $tables = [],
        array $sequences = [],
        ?SchemaConfig $schemaConfig = null,
        array $namespaces = []
    ) {
        if ($schemaConfig === null) {
            $schemaConfig = new SchemaConfig();
        }
        $this->_schemaConfig = $schemaConfig;
        $this->_setName($schemaConfig->getName() ?: 'public');

        foreach ($namespaces as $namespace) {
            $this->createNamespace($namespace);
        }

        foreach ($tables as $table) {
            $this->_addTable($table);
        }

        foreach ($sequences as $sequence) {
            $this->_addSequence($sequence);
        }
    }

    public function getName() : string
    {
        $name = parent::getName();
        assert(is_string($name));

        return $name;
    }

    public function hasExplicitForeignKeyIndexes() : bool
    {
        return $this->_schemaConfig->hasExplicitForeignKeyIndexes();
    }

    /**
     * @throws SchemaException
     */
    protected function _addTable(Table $table) : void
    {
        $namespaceName = $table->getNamespaceName();
        $tableName     = $table->getFullQualifiedName($this->getName());

        if (isset($this->_tables[$tableName])) {
            throw TableAlreadyExists::new($tableName);
        }

        if ($namespaceName !== null
            && ! $table->isInDefaultNamespace($this->getName())
            && ! $this->hasNamespace($namespaceName)) {
            $this->createNamespace($namespaceName);
        }

        $this->_tables[$tableName] = $table;
        $table->setSchemaConfig($this->_schemaConfig);
    }

    /**
     * @throws SchemaException
     */
    protected function _addSequence(Sequence $sequence) : void
    {
        $namespaceName = $sequence->getNamespaceName();
        $seqName       = $sequence->getFullQualifiedName($this->getName());

        if (isset($this->_sequences[$seqName])) {
            throw SequenceAlreadyExists::new($seqName);
        }

        if ($namespaceName !== null
            && ! $sequence->isInDefaultNamespace($this->getName())
            && ! $this->hasNamespace($namespaceName)) {
            $this->createNamespace($namespaceName);
        }

        $this->_sequences[$seqName] = $sequence;
    }

    /**
     * Returns the namespaces of this schema.
     *
     * @return string[] A list of namespace names.
     */
    public function getNamespaces() : array
    {
        return $this->namespaces;
    }

    /**
     * Gets all tables of this schema.
     *
     * @return Table[]
     */
    public function getTables() : array
    {
        return $this->_tables;
    }

    /**
     * @throws SchemaException
     */
    public function getTable(string $tableName) : Table
    {
        $tableName = $this->getFullQualifiedAssetName($tableName);
        if (! isset($this->_tables[$tableName])) {
            throw TableDoesNotExist::new($tableName);
        }

        return $this->_tables[$tableName];
    }

    private function getFullQualifiedAssetName(string $name) : string
    {
        $name = $this->getUnquotedAssetName($name);

        if (strpos($name, '.') === false) {
            $name = $this->getName() . '.' . $name;
        }

        return strtolower($name);
    }

    /**
     * Returns the unquoted representation of a given asset name.
     *
     * @param string $assetName Quoted or unquoted representation of an asset name.
     */
    private function getUnquotedAssetName(string $assetName) : string
    {
        if ($this->isIdentifierQuoted($assetName)) {
            return $this->trimQuotes($assetName);
        }

        return $assetName;
    }

    /**
     * Does this schema have a namespace with the given name?
     */
    public function hasNamespace(string $namespaceName) : bool
    {
        $namespaceName = strtolower($this->getUnquotedAssetName($namespaceName));

        return isset($this->namespaces[$namespaceName]);
    }

    /**
     * Does this schema have a table with the given name?
     */
    public function hasTable(string $tableName) : bool
    {
        $tableName = $this->getFullQualifiedAssetName($tableName);

        return isset($this->_tables[$tableName]);
    }

    /**
     * Gets all table names, prefixed with a schema name, even the default one if present.
     *
     * @return string[]
     */
    public function getTableNames() : array
    {
        return array_keys($this->_tables);
    }

    public function hasSequence(string $sequenceName) : bool
    {
        $sequenceName = $this->getFullQualifiedAssetName($sequenceName);

        return isset($this->_sequences[$sequenceName]);
    }

    /**
     * @throws SchemaException
     */
    public function getSequence(string $sequenceName) : Sequence
    {
        $sequenceName = $this->getFullQualifiedAssetName($sequenceName);
        if (! $this->hasSequence($sequenceName)) {
            throw SequenceDoesNotExist::new($sequenceName);
        }

        return $this->_sequences[$sequenceName];
    }

    /**
     * @return Sequence[]
     */
    public function getSequences() : array
    {
        return $this->_sequences;
    }

    /**
     * Creates a new namespace.
     *
     * @param string $namespaceName The name of the namespace to create.
     *
     * @return $this
     *
     * @throws SchemaException
     */
    public function createNamespace(string $namespaceName) : self
    {
        $unquotedNamespaceName = strtolower($this->getUnquotedAssetName($namespaceName));

        if (isset($this->namespaces[$unquotedNamespaceName])) {
            throw NamespaceAlreadyExists::new($unquotedNamespaceName);
        }

        $this->namespaces[$unquotedNamespaceName] = $namespaceName;

        return $this;
    }

    /**
     * Creates a new table.
     */
    public function createTable(string $tableName) : Table
    {
        $table = new Table($tableName);
        $this->_addTable($table);

        foreach ($this->_schemaConfig->getDefaultTableOptions() as $name => $value) {
            $table->addOption($name, $value);
        }

        return $table;
    }

    /**
     * Renames a table.
     *
     * @return $this
     */
    public function renameTable(string $oldTableName, string $newTableName) : self
    {
        $table = $this->getTable($oldTableName);
        $table->_setName($newTableName);

        $this->dropTable($oldTableName);
        $this->_addTable($table);

        return $this;
    }

    /**
     * Drops a table from the schema.
     *
     * @return $this
     */
    public function dropTable(string $tableName) : self
    {
        $tableName = $this->getFullQualifiedAssetName($tableName);
        $this->getTable($tableName);
        unset($this->_tables[$tableName]);

        return $this;
    }

    /**
     * Creates a new sequence.
     */
    public function createSequence(string $sequenceName, int $allocationSize = 1, int $initialValue = 1) : Sequence
    {
        $seq = new Sequence($sequenceName, $allocationSize, $initialValue);
        $this->_addSequence($seq);

        return $seq;
    }

    /**
     * @return $this
     */
    public function dropSequence(string $sequenceName) : self
    {
        $sequenceName = $this->getFullQualifiedAssetName($sequenceName);
        unset($this->_sequences[$sequenceName]);

        return $this;
    }

    /**
     * Returns an array of necessary SQL queries to create the schema on the given platform.
     *
     * @return string[]
     */
    public function toSql(AbstractPlatform $platform) : array
    {
        $sqlCollector = new CreateSchemaSqlCollector($platform);
        $this->visit($sqlCollector);

        return $sqlCollector->getQueries();
    }

    /**
     * Return an array of necessary SQL queries to drop the schema on the given platform.
     *
     * @return string[]
     */
    public function toDropSql(AbstractPlatform $platform) : array
    {
        $dropSqlCollector = new DropSchemaSqlCollector($platform);
        $this->visit($dropSqlCollector);

        return $dropSqlCollector->getQueries();
    }

    /**
     * @return string[]
     */
    public function getMigrateToSql(Schema $toSchema, AbstractPlatform $platform) : array
    {
        $comparator = new Comparator();
        $schemaDiff = $comparator->compare($this, $toSchema);

        return $schemaDiff->toSql($platform);
    }

    /**
     * @return string[]
     */
    public function getMigrateFromSql(Schema $fromSchema, AbstractPlatform $platform) : array
    {
        $comparator = new Comparator();
        $schemaDiff = $comparator->compare($fromSchema, $this);

        return $schemaDiff->toSql($platform);
    }

    public function visit(Visitor $visitor) : void
    {
        $visitor->acceptSchema($this);

        if ($visitor instanceof NamespaceVisitor) {
            foreach ($this->namespaces as $namespace) {
                $visitor->acceptNamespace($namespace);
            }
        }

        foreach ($this->_tables as $table) {
            $table->visit($visitor);
        }

        foreach ($this->_sequences as $sequence) {
            $sequence->visit($visitor);
        }
    }

    /**
     * Cloning a Schema triggers a deep clone of all related assets.
     */
    public function __clone()
    {
        foreach ($this->_tables as $k => $table) {
            $this->_tables[$k] = clone $table;
        }
        foreach ($this->_sequences as $k => $sequence) {
            $this->_sequences[$k] = clone $sequence;
        }
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Doctrine\DBAL\Schema;
6
7		use Doctrine\DBAL\Platforms\AbstractPlatform;
8		use Doctrine\DBAL\Schema\Exception\NamespaceAlreadyExists;
9		use Doctrine\DBAL\Schema\Exception\SequenceAlreadyExists;
10		use Doctrine\DBAL\Schema\Exception\SequenceDoesNotExist;
11		use Doctrine\DBAL\Schema\Exception\TableAlreadyExists;
12		use Doctrine\DBAL\Schema\Exception\TableDoesNotExist;
13		use Doctrine\DBAL\Schema\Visitor\CreateSchemaSqlCollector;
14		use Doctrine\DBAL\Schema\Visitor\DropSchemaSqlCollector;
15		use Doctrine\DBAL\Schema\Visitor\NamespaceVisitor;
16		use Doctrine\DBAL\Schema\Visitor\Visitor;
17		use function array_keys;
18		use function assert;
19		use function is_string;
20		use function strpos;
21		use function strtolower;
22
23		/**
24		* Object representation of a database schema.
25		*
26		* Different vendors have very inconsistent naming with regard to the concept
27		* of a "schema". Doctrine understands a schema as the entity that conceptually
28		* wraps a set of database objects such as tables, sequences, indexes and
29		* foreign keys that belong to each other into a namespace. A Doctrine Schema
30		* has nothing to do with the "SCHEMA" defined as in PostgreSQL, it is more
31		* related to the concept of "DATABASE" that exists in MySQL and PostgreSQL.
32		*
33		* Every asset in the doctrine schema has a name. A name consists of either a
34		* namespace.local name pair or just a local unqualified name.
35		*
36		* The abstraction layer that covers a PostgreSQL schema is the namespace of an
37		* database object (asset). A schema can have a name, which will be used as
38		* default namespace for the unqualified database objects that are created in
39		* the schema.
40		*
41		* In the case of MySQL where cross-database queries are allowed this leads to
42		* databases being "misinterpreted" as namespaces. This is intentional, however
43		* the CREATE/DROP SQL visitors will just filter this queries and do not
44		* execute them. Only the queries for the currently connected database are
45		* executed.
46		*/
47		class Schema extends AbstractAsset
48		{
49		/**
50		* The namespaces in this schema.
51		*
52		* @var string[]
53		*/
54		private $namespaces = [];
55
56		/** @var Table[] */
57		protected $_tables = [];
58
59		/** @var Sequence[] */
60		protected $_sequences = [];
61
62		/** @var SchemaConfig */
63		protected $_schemaConfig = false;
64
65		/**
66		* @param Table[] $tables
67		* @param Sequence[] $sequences
68	1943	* @param string[] $namespaces
69		*/
70		public function __construct(
71		array $tables = [],
72		array $sequences = [],
73		?SchemaConfig $schemaConfig = null,
74	1943	array $namespaces = []
75	1925	) {
76		if ($schemaConfig === null) {
77	1943	$schemaConfig = new SchemaConfig();
78	1943	}
79		$this->_schemaConfig = $schemaConfig;
80	1943	$this->_setName($schemaConfig->getName() ?: 'public');
81	252
82		foreach ($namespaces as $namespace) {
83		$this->createNamespace($namespace);
84	1943	}
85	1671
86		foreach ($tables as $table) {
87		$this->_addTable($table);
88	1941	}
89	829
90		foreach ($sequences as $sequence) {
91	1939	$this->_addSequence($sequence);
92		}
93		}
94
95		public function getName() : string
96		{
97		$name = parent::getName();
98		assert(is_string($name));
99
100		return $name;
101		}
102
103		public function hasExplicitForeignKeyIndexes() : bool
104		{
105		return $this->_schemaConfig->hasExplicitForeignKeyIndexes();
106	1913	}
107
108	1913	/**
109	1913	* @throws SchemaException
110		*/
111	1913	protected function _addTable(Table $table) : void
112	777	{
113		$namespaceName = $table->getNamespaceName();
114		$tableName = $table->getFullQualifiedName($this->getName());
115	1913
116	1913	if (isset($this->_tables[$tableName])) {
117	1913	throw TableAlreadyExists::new($tableName);
118	1116	}
119
120		if ($namespaceName !== null
121	1913	&& ! $table->isInDefaultNamespace($this->getName())
122	1913	&& ! $this->hasNamespace($namespaceName)) {
123	1913	$this->createNamespace($namespaceName);
124		}
125
126		$this->_tables[$tableName] = $table;
127		$table->setSchemaConfig($this->_schemaConfig);
128		}
129
130	1338	/**
131		* @throws SchemaException
132	1338	*/
133	1338	protected function _addSequence(Sequence $sequence) : void
134		{
135	1338	$namespaceName = $sequence->getNamespaceName();
136	552	$seqName = $sequence->getFullQualifiedName($this->getName());
137
138		if (isset($this->_sequences[$seqName])) {
139	1338	throw SequenceAlreadyExists::new($seqName);
140	1338	}
141	1338
142	352	if ($namespaceName !== null
143		&& ! $sequence->isInDefaultNamespace($this->getName())
144		&& ! $this->hasNamespace($namespaceName)) {
145	1338	$this->createNamespace($namespaceName);
146	1338	}
147
148		$this->_sequences[$seqName] = $sequence;
149		}
150
151		/**
152		* Returns the namespaces of this schema.
153	1674	*
154		* @return string[] A list of namespace names.
155	1674	*/
156		public function getNamespaces() : array
157		{
158		return $this->namespaces;
159		}
160
161		/**
162		* Gets all tables of this schema.
163	1680	*
164		* @return Table[]
165	1680	*/
166		public function getTables() : array
167		{
168		return $this->_tables;
169		}
170
171		/**
172		* @throws SchemaException
173		*/
174		public function getTable(string $tableName) : Table
175	1686	{
176		$tableName = $this->getFullQualifiedAssetName($tableName);
177	1686	if (! isset($this->_tables[$tableName])) {
178	1686	throw TableDoesNotExist::new($tableName);
179	802	}
180
181		return $this->_tables[$tableName];
182	1684	}
183
184		private function getFullQualifiedAssetName(string $name) : string
185		{
186		$name = $this->getUnquotedAssetName($name);
187
188		if (strpos($name, '.') === false) {
189		$name = $this->getName() . '.' . $name;
190	1725	}
191
192	1725	return strtolower($name);
193		}
194	1725
195	1717	/**
196		* Returns the unquoted representation of a given asset name.
197		*
198	1725	* @param string $assetName Quoted or unquoted representation of an asset name.
199		*/
200		private function getUnquotedAssetName(string $assetName) : string
201		{
202		if ($this->isIdentifierQuoted($assetName)) {
203		return $this->trimQuotes($assetName);
204		}
205
206		return $assetName;
207		}
208	1735
209		/**
210	1735	* Does this schema have a namespace with the given name?
211	479	*/
212		public function hasNamespace(string $namespaceName) : bool
213		{
214	1733	$namespaceName = strtolower($this->getUnquotedAssetName($namespaceName));
215
216		return isset($this->namespaces[$namespaceName]);
217		}
218
219		/**
220		* Does this schema have a table with the given name?
221		*/
222		public function hasTable(string $tableName) : bool
223		{
224	1196	$tableName = $this->getFullQualifiedAssetName($tableName);
225
226	1196	return isset($this->_tables[$tableName]);
227		}
228	1196
229		/**
230		* Gets all table names, prefixed with a schema name, even the default one if present.
231		*
232		* @return string[]
233		*/
234		public function getTableNames() : array
235		{
236		return array_keys($this->_tables);
237		}
238	1697
239		public function hasSequence(string $sequenceName) : bool
240	1697	{
241		$sequenceName = $this->getFullQualifiedAssetName($sequenceName);
242	1697
243		return isset($this->_sequences[$sequenceName]);
244		}
245
246		/**
247		* @throws SchemaException
248		*/
249		public function getSequence(string $sequenceName) : Sequence
250		{
251		$sequenceName = $this->getFullQualifiedAssetName($sequenceName);
252		if (! $this->hasSequence($sequenceName)) {
253		throw SequenceDoesNotExist::new($sequenceName);
254		}
255
256		return $this->_sequences[$sequenceName];
257		}
258
259		/**
260	1276	* @return Sequence[]
261		*/
262	1276	public function getSequences() : array
263		{
264	1276	return $this->_sequences;
265		}
266
267		/**
268		* Creates a new namespace.
269		*
270		* @param string $namespaceName The name of the namespace to create.
271		*
272		* @return $this
273		*
274	1193	* @throws SchemaException
275		*/
276	1193	public function createNamespace(string $namespaceName) : self
277	1193	{
278	627	$unquotedNamespaceName = strtolower($this->getUnquotedAssetName($namespaceName));
279
280		if (isset($this->namespaces[$unquotedNamespaceName])) {
281	1191	throw NamespaceAlreadyExists::new($unquotedNamespaceName);
282		}
283
284		$this->namespaces[$unquotedNamespaceName] = $namespaceName;
285
286		return $this;
287	1678	}
288
289	1678	/**
290		* Creates a new table.
291		*/
292		public function createTable(string $tableName) : Table
293		{
294		$table = new Table($tableName);
295		$this->_addTable($table);
296
297		foreach ($this->_schemaConfig->getDefaultTableOptions() as $name => $value) {
298		$table->addOption($name, $value);
299		}
300
301	1198	return $table;
302		}
303	1198
304		/**
305	1198	* Renames a table.
306	402	*
307		* @return $this
308		*/
309	1198	public function renameTable(string $oldTableName, string $newTableName) : self
310		{
311	1198	$table = $this->getTable($oldTableName);
312		$table->_setName($newTableName);
313
314		$this->dropTable($oldTableName);
315		$this->_addTable($table);
316
317		return $this;
318		}
319
320		/**
321	1879	* Drops a table from the schema.
322		*
323	1879	* @return $this
324	1879	*/
325		public function dropTable(string $tableName) : self
326	1879	{
327		$tableName = $this->getFullQualifiedAssetName($tableName);
328		$this->getTable($tableName);
329		unset($this->_tables[$tableName]);
330	1879
331		return $this;
332		}
333
334		/**
335		* Creates a new sequence.
336		*/
337		public function createSequence(string $sequenceName, int $allocationSize = 1, int $initialValue = 1) : Sequence
338		{
339		$seq = new Sequence($sequenceName, $allocationSize, $initialValue);
340		$this->_addSequence($seq);
341	752
342		return $seq;
343	752	}
344	752
345		/**
346	752	* @return $this
347	752	*/
348		public function dropSequence(string $sequenceName) : self
349	752	{
350		$sequenceName = $this->getFullQualifiedAssetName($sequenceName);
351		unset($this->_sequences[$sequenceName]);
352
353		return $this;
354		}
355
356		/**
357		* Returns an array of necessary SQL queries to create the schema on the given platform.
358		*
359	760	* @return string[]
360		*/
361	760	public function toSql(AbstractPlatform $platform) : array
362	760	{
363	760	$sqlCollector = new CreateSchemaSqlCollector($platform);
364		$this->visit($sqlCollector);
365	760
366		return $sqlCollector->getQueries();
367		}
368
369		/**
370		* Return an array of necessary SQL queries to drop the schema on the given platform.
371		*
372		* @return string[]
373		*/
374		public function toDropSql(AbstractPlatform $platform) : array
375		{
376		$dropSqlCollector = new DropSchemaSqlCollector($platform);
377	1276	$this->visit($dropSqlCollector);
378
379	1276	return $dropSqlCollector->getQueries();
380	1276	}
381
382	1276	/**
383		* @return string[]
384		*/
385		public function getMigrateToSql(Schema $toSchema, AbstractPlatform $platform) : array
386		{
387		$comparator = new Comparator();
388		$schemaDiff = $comparator->compare($this, $toSchema);
389
390	577	return $schemaDiff->toSql($platform);
391		}
392	577
393	577	/**
394		* @return string[]
395	577	*/
396		public function getMigrateFromSql(Schema $fromSchema, AbstractPlatform $platform) : array
397		{
398		$comparator = new Comparator();
399		$schemaDiff = $comparator->compare($fromSchema, $this);
400
401		return $schemaDiff->toSql($platform);
402		}
403	1833
404		public function visit(Visitor $visitor) : void
405	1833	{
406	1833	$visitor->acceptSchema($this);
407
408	1833	if ($visitor instanceof NamespaceVisitor) {
409		foreach ($this->namespaces as $namespace) {
410		$visitor->acceptNamespace($namespace);
411		}
412		}
413
414		foreach ($this->_tables as $table) {
415		$table->visit($visitor);
416	77	}
417
418	77	foreach ($this->_sequences as $sequence) {
419	77	$sequence->visit($visitor);
420		}
421	77	}
422
423		/**
424		* Cloning a Schema triggers a deep clone of all related assets.
425		*/
426		public function __clone()
427	1280	{
428		foreach ($this->_tables as $k => $table) {
429	1280	$this->_tables[$k] = clone $table;
430	1280	}
431		foreach ($this->_sequences as $k => $sequence) {
432	1280	$this->_sequences[$k] = clone $sequence;
433		}
434		}
435		}
436

doctrine / dbal

Pull Request — develop (#3348)

Schema::getName() A

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