SpecificationVisitor::visitField() - Code Metrics - cubiche/repository-adapter - Measure and Improve Code Quality continuously with Scrutinizer

SpecificationVisitor::visitField() A
last analyzed 2017-05-09 15:58 UTC

↳ Parent: SpecificationVisitor

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	4
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	1

<?php

/**
 * This file is part of the Cubiche package.
 *
 * Copyright (c) Cubiche
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Cubiche\Infrastructure\Repository\Doctrine\ODM\MongoDB\Query;

use Cubiche\Core\Collections\ArrayCollection\ArrayHashMap;
use Cubiche\Core\Delegate\Delegate;
use Cubiche\Core\Selector\Callback;
use Cubiche\Core\Selector\Composite;
use Cubiche\Core\Selector\Count;
use Cubiche\Core\Selector\Field;
use Cubiche\Core\Selector\Key;
use Cubiche\Core\Selector\Method;
use Cubiche\Core\Selector\Property;
use Cubiche\Core\Selector\SelectorInterface;
use Cubiche\Core\Selector\This;
use Cubiche\Core\Selector\Value;
use Cubiche\Core\Specification\AndSpecification;
use Cubiche\Core\Specification\Constraint\BinaryConstraintOperator;
use Cubiche\Core\Specification\Constraint\Equal;
use Cubiche\Core\Specification\Constraint\GreaterThan;
use Cubiche\Core\Specification\Constraint\GreaterThanEqual;
use Cubiche\Core\Specification\Constraint\LessThan;
use Cubiche\Core\Specification\Constraint\LessThanEqual;
use Cubiche\Core\Specification\Constraint\NotEqual;
use Cubiche\Core\Specification\Constraint\NotSame;
use Cubiche\Core\Specification\Constraint\Same;
use Cubiche\Core\Specification\Criteria;
use Cubiche\Core\Specification\NotSpecification;
use Cubiche\Core\Specification\OrSpecification;
use Cubiche\Core\Specification\Quantifier\All;
use Cubiche\Core\Specification\Quantifier\AtLeast;
use Cubiche\Core\Specification\Selector;
use Cubiche\Core\Specification\SpecificationInterface;
use Cubiche\Core\Visitor\Visitor;
use Cubiche\Domain\Model\IdInterface;

/**
 * Specification Visitor Class.
 *
 * @author Karel Osorio Ramírez <[email protected]>
 */
class SpecificationVisitor extends Visitor
{
    use VisitorTrait;

    /**
     * @param QueryBuilder $queryBuilder
     */
    public function __construct(QueryBuilder $queryBuilder)
    {
        parent::__construct();

        $this->queryBuilder = $queryBuilder;
    }

    /**
     * {@inheritdoc}
     */
    public function visitAndSpecification(AndSpecification $specification)
    {
        $leftQueryBuilder = $this->queryBuilderFromSpecification($specification->left());
        $rightQueryBuilder = $this->queryBuilderFromSpecification($specification->right());

        if ($this->hasSameOperator($leftQueryBuilder, $rightQueryBuilder)) {
            $this->queryBuilder->addAnd($leftQueryBuilder->getExpr());
            $this->queryBuilder->addAnd($rightQueryBuilder->getExpr());
        } else {
            $this->queryBuilder->addSearchCriteria($specification->left());
            $this->queryBuilder->addSearchCriteria($specification->right());
        }
    }

    /**
     * {@inheritdoc}
     */
    public function visitOrSpecification(OrSpecification $specification)
    {
        $leftQueryBuilder = $this->queryBuilderFromSpecification($specification->left());
        $rightQueryBuilder = $this->queryBuilderFromSpecification($specification->right());

        $this->queryBuilder->addOr($leftQueryBuilder->getExpr());
        $this->queryBuilder->addOr($rightQueryBuilder->getExpr());
    }

    /**
     * {@inheritdoc}
     */
    public function visitNotSpecification(NotSpecification $specification)
    {
        $specificationQueryBuilder = $this->queryBuilderFromSpecification($specification->specification());
        $this->queryBuilder->not($specificationQueryBuilder->getExpr());
    }

    /**
     * {@inheritdoc}
     */
    public function visitSelector(Selector $selector)
    {
        return $selector->selector()->accept($this);
    }

    /**
     * {@inheritdoc}
     */
    public function visitValue(Value $specification)
    {
        throw $this->notSupportedException($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitKey(Key $specification)
    {
        $this->visitField($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitProperty(Property $specification)
    {
        $this->visitField($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitMethod(Method $specification)
    {
        throw $this->notSupportedException($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitThis(This $specification)
    {
        throw $this->notSupportedException($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitCallback(Callback $specification)
    {
        throw $this->notSupportedException($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitComposite(Composite $specification)
    {
        $this->visitField($this->createFieldFromComposite($specification));
    }

    /**
     * {@inheritdoc}
     */
    public function visitCount(Count $specification)
    {
        throw $this->notSupportedException($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitGreaterThan(GreaterThan $specification)
    {
        $this->visitRelationalOperator($specification, Delegate::fromMethod($this->queryBuilder, 'gt'));
    }

    /**
     * {@inheritdoc}
     */
    public function visitGreaterThanEqual(GreaterThanEqual $specification)
    {
        $this->visitRelationalOperator($specification, Delegate::fromMethod($this->queryBuilder, 'gte'));
    }

    /**
     * {@inheritdoc}
     */
    public function visitLessThan(LessThan $specification)
    {
        $this->visitRelationalOperator($specification, Delegate::fromMethod($this->queryBuilder, 'lt'));
    }

    /**
     * {@inheritdoc}
     */
    public function visitLessThanEqual(LessThanEqual $specification)
    {
        $this->visitRelationalOperator($specification, Delegate::fromMethod($this->queryBuilder, 'lte'));
    }

    /**
     * {@inheritdoc}
     */
    public function visitEqual(Equal $specification)
    {
        $this->visitEqualityOperator($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitNotEqual(NotEqual $specification)
    {
        $this->visitNotEqualityOperator($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitSame(Same $specification)
    {
        $this->visitEqualityOperator($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitNotSame(NotSame $specification)
    {
        $this->visitNotEqualityOperator($specification);
    }

    /**
     * {@inheritdoc}
     */
    public function visitAll(All $specification)
    {
        $field = $this->createField($specification->selector());
        $specificationQueryBuilder = $this->queryBuilderFromSpecification($specification->specification());
        $this->queryBuilder
            ->field($field->name())->all(
                $this->queryBuilder->expr()->elemMatch($specificationQueryBuilder->getExpr())->getQuery()
            );
    }

    /**
     * {@inheritdoc}
     */
    public function visitAtLeast(AtLeast $specification)
    {
        if ($specification->count() === 1) {
            $field = $this->createField($specification->selector());
            $specificationQueryBuilder = $this->queryBuilderFromSpecification($specification->specification());
            $this->queryBuilder->field($field->name())->elemMatch($specificationQueryBuilder->getExpr());
        } else {
            throw $this->notSupportedException($specification);
        }
    }

    /**
     * @param QueryBuilder $queryBuilder1
     * @param QueryBuilder $queryBuilder2
     *
     * @return bool
     */
    protected function hasSameOperator(QueryBuilder $queryBuilder1, QueryBuilder $queryBuilder2)
    {
        $intersection = new ArrayHashMap(
            \array_intersect_key($queryBuilder1->getQueryArray(), $queryBuilder2->getQueryArray())
        );

        return $intersection->keys()->findOne(Criteria::callback(function ($value) {
            return \strpos($value, '$') === 0;
        })) !== null;
    }

    /**
     * @param BinaryConstraintOperator $operator
     * @param Delegate                 $addOperator
     */
    protected function visitRelationalOperator(BinaryConstraintOperator $operator, Delegate $addOperator)
    {
        $this->addFieldValueOperator($operator->left(), $operator->right(), $addOperator);
    }

    /**
     * @param BinaryConstraintOperator $operator
     */
    protected function visitEqualityOperator(BinaryConstraintOperator $operator)
    {
        $selector = $operator->left();
        if ($selector instanceof Composite && $selector->applySelector() instanceof Count) {
            $this->addFieldValueOperator(
                $selector->valueSelector(),
                $operator->right(),
                Delegate::fromMethod($this->queryBuilder, 'size')
            );
        } else {
            $this->visitRelationalOperator($operator, Delegate::fromMethod($this->queryBuilder, 'equals'));
        }
    }

    /**
     * @param BinaryConstraintOperator $operator
     */
    protected function visitNotEqualityOperator(BinaryConstraintOperator $operator)
    {
        $this->visitRelationalOperator($operator, Delegate::fromMethod($this->queryBuilder, 'notEqual'));
    }

    /**
     * @param SelectorInterface $selector
     * @param SelectorInterface $value
     * @param Delegate          $addOperator
     */
    private function addFieldValueOperator(
        SelectorInterface $selector,
        SelectorInterface $value,
        Delegate $addOperator
    ) {
        $actualValue = $this->createValue($value);
        $isEntityValue = false;
        if ($actualValue instanceof IdInterface) {
            $actualValue = $actualValue->toNative();
            $isEntityValue = true;
        }

        $field = $this->createField($selector, $isEntityValue);
        if ($field !== null) {
            $this->queryBuilder->field($field->name());
        }
        $addOperator($actualValue);
    }

    /**
     * @param Field $field
     */
    protected function visitField(Field $field)
    {
        $this->queryBuilder->field($field->name())->equals(true);
    }

    /**
     * @param SpecificationInterface $specification
     *
     * @return QueryBuilder
     */
    protected function queryBuilderFromSpecification(SpecificationInterface $specification)
    {
        return $this->queryBuilder->createQueryBuilder()->addSearchCriteria($specification);
    }
}


1			<?php
2
3			/**
4			* This file is part of the Cubiche package.
5			*
6			* Copyright (c) Cubiche
7			*
8			* For the full copyright and license information, please view the LICENSE
9			* file that was distributed with this source code.
10			*/
11			namespace Cubiche\Infrastructure\Repository\Doctrine\ODM\MongoDB\Query;
12
13			use Cubiche\Core\Collections\ArrayCollection\ArrayHashMap;
14			use Cubiche\Core\Delegate\Delegate;
15			use Cubiche\Core\Selector\Callback;
16			use Cubiche\Core\Selector\Composite;
17			use Cubiche\Core\Selector\Count;
18			use Cubiche\Core\Selector\Field;
19			use Cubiche\Core\Selector\Key;
20			use Cubiche\Core\Selector\Method;
21			use Cubiche\Core\Selector\Property;
22			use Cubiche\Core\Selector\SelectorInterface;
23			use Cubiche\Core\Selector\This;
24			use Cubiche\Core\Selector\Value;
25			use Cubiche\Core\Specification\AndSpecification;
26			use Cubiche\Core\Specification\Constraint\BinaryConstraintOperator;
27			use Cubiche\Core\Specification\Constraint\Equal;
28			use Cubiche\Core\Specification\Constraint\GreaterThan;
29			use Cubiche\Core\Specification\Constraint\GreaterThanEqual;
30			use Cubiche\Core\Specification\Constraint\LessThan;
31			use Cubiche\Core\Specification\Constraint\LessThanEqual;
32			use Cubiche\Core\Specification\Constraint\NotEqual;
33			use Cubiche\Core\Specification\Constraint\NotSame;
34			use Cubiche\Core\Specification\Constraint\Same;
35			use Cubiche\Core\Specification\Criteria;
36			use Cubiche\Core\Specification\NotSpecification;
37			use Cubiche\Core\Specification\OrSpecification;
38			use Cubiche\Core\Specification\Quantifier\All;
39			use Cubiche\Core\Specification\Quantifier\AtLeast;
40			use Cubiche\Core\Specification\Selector;
41			use Cubiche\Core\Specification\SpecificationInterface;
42			use Cubiche\Core\Visitor\Visitor;
43			use Cubiche\Domain\Model\IdInterface;
44
45			/**
46			* Specification Visitor Class.
47			*
48			* @author Karel Osorio Ramírez <[email protected]>
49			*/
50			class SpecificationVisitor extends Visitor
51			{
52			use VisitorTrait;
53
54			/**
55			* @param QueryBuilder $queryBuilder
56			*/
57			public function __construct(QueryBuilder $queryBuilder)
58			{
59			parent::__construct();
60
61			$this->queryBuilder = $queryBuilder;
62			}
63
64			/**
65			* {@inheritdoc}
66			*/
67			public function visitAndSpecification(AndSpecification $specification)
68			{
69			$leftQueryBuilder = $this->queryBuilderFromSpecification($specification->left());
70			$rightQueryBuilder = $this->queryBuilderFromSpecification($specification->right());
71
72			if ($this->hasSameOperator($leftQueryBuilder, $rightQueryBuilder)) {
73			$this->queryBuilder->addAnd($leftQueryBuilder->getExpr());
74			$this->queryBuilder->addAnd($rightQueryBuilder->getExpr());
75			} else {
76			$this->queryBuilder->addSearchCriteria($specification->left());
77			$this->queryBuilder->addSearchCriteria($specification->right());
78			}
79			}
80
81			/**
82			* {@inheritdoc}
83			*/
84			public function visitOrSpecification(OrSpecification $specification)
85			{
86			$leftQueryBuilder = $this->queryBuilderFromSpecification($specification->left());
87			$rightQueryBuilder = $this->queryBuilderFromSpecification($specification->right());
88
89			$this->queryBuilder->addOr($leftQueryBuilder->getExpr());
90			$this->queryBuilder->addOr($rightQueryBuilder->getExpr());
91			}
92
93			/**
94			* {@inheritdoc}
95			*/
96			public function visitNotSpecification(NotSpecification $specification)
97			{
98			$specificationQueryBuilder = $this->queryBuilderFromSpecification($specification->specification());
99			$this->queryBuilder->not($specificationQueryBuilder->getExpr());
100			}
101
102			/**
103			* {@inheritdoc}
104			*/
105			public function visitSelector(Selector $selector)
106			{
107			return $selector->selector()->accept($this);
108			}
109
110			/**
111			* {@inheritdoc}
112			*/
113			public function visitValue(Value $specification)
114			{
115			throw $this->notSupportedException($specification);
116			}
117
118			/**
119			* {@inheritdoc}
120			*/
121			public function visitKey(Key $specification)
122			{
123			$this->visitField($specification);
124			}
125
126			/**
127			* {@inheritdoc}
128			*/
129			public function visitProperty(Property $specification)
130			{
131			$this->visitField($specification);
132			}
133
134			/**
135			* {@inheritdoc}
136			*/
137			public function visitMethod(Method $specification)
138			{
139			throw $this->notSupportedException($specification);
140			}
141
142			/**
143			* {@inheritdoc}
144			*/
145			public function visitThis(This $specification)
146			{
147			throw $this->notSupportedException($specification);
148			}
149
150			/**
151			* {@inheritdoc}
152			*/
153			public function visitCallback(Callback $specification)
154			{
155			throw $this->notSupportedException($specification);
156			}
157
158			/**
159			* {@inheritdoc}
160			*/
161			public function visitComposite(Composite $specification)
162			{
163			$this->visitField($this->createFieldFromComposite($specification));
164			}
165
166			/**
167			* {@inheritdoc}
168			*/
169			public function visitCount(Count $specification)
170			{
171			throw $this->notSupportedException($specification);
172			}
173
174			/**
175			* {@inheritdoc}
176			*/
177			public function visitGreaterThan(GreaterThan $specification)
178			{
179			$this->visitRelationalOperator($specification, Delegate::fromMethod($this->queryBuilder, 'gt'));
180			}
181
182			/**
183			* {@inheritdoc}
184			*/
185			public function visitGreaterThanEqual(GreaterThanEqual $specification)
186			{
187			$this->visitRelationalOperator($specification, Delegate::fromMethod($this->queryBuilder, 'gte'));
188			}
189
190			/**
191			* {@inheritdoc}
192			*/
193			public function visitLessThan(LessThan $specification)
194			{
195			$this->visitRelationalOperator($specification, Delegate::fromMethod($this->queryBuilder, 'lt'));
196			}
197
198			/**
199			* {@inheritdoc}
200			*/
201			public function visitLessThanEqual(LessThanEqual $specification)
202			{
203			$this->visitRelationalOperator($specification, Delegate::fromMethod($this->queryBuilder, 'lte'));
204			}
205
206			/**
207			* {@inheritdoc}
208			*/
209			public function visitEqual(Equal $specification)
210			{
211			$this->visitEqualityOperator($specification);
212			}
213
214			/**
215			* {@inheritdoc}
216			*/
217			public function visitNotEqual(NotEqual $specification)
218			{
219			$this->visitNotEqualityOperator($specification);
220			}
221
222			/**
223			* {@inheritdoc}
224			*/
225			public function visitSame(Same $specification)
226			{
227			$this->visitEqualityOperator($specification);
228			}
229
230			/**
231			* {@inheritdoc}
232			*/
233			public function visitNotSame(NotSame $specification)
234			{
235			$this->visitNotEqualityOperator($specification);
236			}
237
238			/**
239			* {@inheritdoc}
240			*/
241			public function visitAll(All $specification)
242			{
243			$field = $this->createField($specification->selector());
244			$specificationQueryBuilder = $this->queryBuilderFromSpecification($specification->specification());
245			$this->queryBuilder
246			->field($field->name())->all(
247			$this->queryBuilder->expr()->elemMatch($specificationQueryBuilder->getExpr())->getQuery()
248			);
249			}
250
251			/**
252			* {@inheritdoc}
253			*/
254			public function visitAtLeast(AtLeast $specification)
255			{
256			if ($specification->count() === 1) {
257			$field = $this->createField($specification->selector());
258			$specificationQueryBuilder = $this->queryBuilderFromSpecification($specification->specification());
259			$this->queryBuilder->field($field->name())->elemMatch($specificationQueryBuilder->getExpr());
260			} else {
261			throw $this->notSupportedException($specification);
262			}
263			}
264
265			/**
266			* @param QueryBuilder $queryBuilder1
267			* @param QueryBuilder $queryBuilder2
268			*
269			* @return bool
270			*/
271			protected function hasSameOperator(QueryBuilder $queryBuilder1, QueryBuilder $queryBuilder2)
272			{
273			$intersection = new ArrayHashMap(
274			\array_intersect_key($queryBuilder1->getQueryArray(), $queryBuilder2->getQueryArray())
275			);
276
277			return $intersection->keys()->findOne(Criteria::callback(function ($value) {
278			return \strpos($value, '$') === 0;
279			})) !== null;
280			}
281
282			/**
283			* @param BinaryConstraintOperator $operator
284			* @param Delegate $addOperator
285			*/
286			protected function visitRelationalOperator(BinaryConstraintOperator $operator, Delegate $addOperator)
287			{
288			$this->addFieldValueOperator($operator->left(), $operator->right(), $addOperator);
289			}
290
291			/**
292			* @param BinaryConstraintOperator $operator
293			*/
294			protected function visitEqualityOperator(BinaryConstraintOperator $operator)
295			{
296			$selector = $operator->left();
297			if ($selector instanceof Composite && $selector->applySelector() instanceof Count) {
298			$this->addFieldValueOperator(
299			$selector->valueSelector(),
300			$operator->right(),
301			Delegate::fromMethod($this->queryBuilder, 'size')
302			);
303			} else {
304			$this->visitRelationalOperator($operator, Delegate::fromMethod($this->queryBuilder, 'equals'));
305			}
306			}
307
308			/**
309			* @param BinaryConstraintOperator $operator
310			*/
311			protected function visitNotEqualityOperator(BinaryConstraintOperator $operator)
312			{
313			$this->visitRelationalOperator($operator, Delegate::fromMethod($this->queryBuilder, 'notEqual'));
314			}
315
316			/**
317			* @param SelectorInterface $selector
318			* @param SelectorInterface $value
319			* @param Delegate $addOperator
320			*/
321			private function addFieldValueOperator(
322			SelectorInterface $selector,
323			SelectorInterface $value,
324			Delegate $addOperator
325			) {
326			$actualValue = $this->createValue($value);
327			$isEntityValue = false;
328			if ($actualValue instanceof IdInterface) {
329			$actualValue = $actualValue->toNative();
330			$isEntityValue = true;
331			}
332
333			$field = $this->createField($selector, $isEntityValue);
334			if ($field !== null) {
335			$this->queryBuilder->field($field->name());
336			}
337			$addOperator($actualValue);
338			}
339
340			/**
341			* @param Field $field
342			*/
343			protected function visitField(Field $field)
344			{
345			$this->queryBuilder->field($field->name())->equals(true);
346			}
347
348			/**
349			* @param SpecificationInterface $specification
350			*
351			* @return QueryBuilder
352			*/
353			protected function queryBuilderFromSpecification(SpecificationInterface $specification)
354			{
355			return $this->queryBuilder->createQueryBuilder()->addSearchCriteria($specification);
356			}
357			}
358

cubiche / repository-adapter

SpecificationVisitor::visitField() A last analyzed 2017-05-09 15:58 UTC

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SpecificationVisitor::visitField() A
last analyzed 2017-05-09 15:58 UTC