UnitOfWork::getEntityState() - Code Metrics - isolate-org/unit-of-work - Measure and Improve Code Quality continuously with Scrutinizer

UnitOfWork::getEntityState() B
last analyzed 2016-10-12 09:53 UTC

↳ Parent: UnitOfWork

Complexity

Conditions	6
Paths	6

Size

Total Lines	24
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	24
c	0
b	0
f	0
rs	8.5125
cc	6
eloc	12
nc	6
nop	1

<?php

namespace Isolate\UnitOfWork;

use Isolate\UnitOfWork\Entity\ChangeBuilder;
use Isolate\UnitOfWork\Entity\Comparer;
use Isolate\UnitOfWork\Entity\Identifier;
use Isolate\UnitOfWork\Object\Registry;
use Isolate\UnitOfWork\Command\EditCommand;
use Isolate\UnitOfWork\Command\NewCommand;
use Isolate\UnitOfWork\Command\RemoveCommand;
use Isolate\UnitOfWork\Exception\InvalidArgumentException;
use Isolate\UnitOfWork\Exception\RuntimeException;
use Isolate\UnitOfWork\Entity\Definition;

/**
 * @api
 */
class UnitOfWork
{
    /**
     * @var Registry
     */
    private $registry;

    /**
     * @var Identifier
     */
    private $identifier;

    /**
     * @var ChangeBuilder
     */
    private $changeBuilder;

    /**
     * @var Comparer
     */
    private $comparer;

    /**
     * @var CommandBus
     */
    private $commandBus;

    /**
     * @param Registry $registry
     * @param Identifier $identifier
     * @param ChangeBuilder $changeBuilder
     * @param Comparer $entityComparer
     * @param CommandBus $commandBus
     */
    public function __construct(
        Registry $registry,
        Identifier $identifier,
        ChangeBuilder $changeBuilder,
        Comparer $entityComparer,
        CommandBus $commandBus
    ) {
        $this->registry = $registry;
        $this->identifier = $identifier;
        $this->changeBuilder = $changeBuilder;
        $this->comparer = $entityComparer;
        $this->commandBus = $commandBus;
    }

    /**
     * @param $entity
     * @throws InvalidArgumentException
     * @throws RuntimeException
     * 
     * @api
     */
    public function register($entity)
    {
        if (!is_object($entity)) {
            throw new InvalidArgumentException("Only objects can be registered in Unit of Work.");
        }

        if (!$this->identifier->isEntity($entity)) {
            throw new InvalidArgumentException("Only entities can be registered in Unit of Work.");
        }

        $this->registry->register($entity);
    }

    /**
     * @param $entity
     * @return bool
     * 
     * @api
     */
    public function isRegistered($entity)
    {
        return $this->registry->isRegistered($entity);
    }

    /**
     * @param $entity
     * @throws InvalidArgumentException
     * @throws RuntimeException
     * 
     * @api
     */
    public function remove($entity)
    {
        if (!is_object($entity)) {
            throw new InvalidArgumentException("Only objects can be registered in Unit of Work.");
        }

        if (!$this->isRegistered($entity)) {
            if (!$this->identifier->isPersisted($entity)) {
                throw new RuntimeException("Unit of Work can't remove not persisted entities.");
            }
        }

        $this->registry->remove($entity);
    }

    /**
     * @throws InvalidArgumentException
     * @throws RuntimeException
     * 
     * @api
     */
    public function commit()
    {
        foreach ($this->registry->all() as $entity) {
            switch($this->getEntityState($entity)) {
                case EntityStates::NEW_ENTITY:
                    $this->commandBus->dispatch(new NewCommand($entity));
                    break;
                case EntityStates::EDITED_ENTITY:
                    $changeSet = $this->changeBuilder->buildChanges($this->registry->getSnapshot($entity), $entity);
                    $this->commandBus->dispatch(new EditCommand($entity, $changeSet));
                    break;
                case EntityStates::REMOVED_ENTITY:
                    $this->commandBus->dispatch(new RemoveCommand($entity));
                    break;
            }
        }

        $this->registry->cleanRemoved();
        $this->registry->makeNewSnapshots();
    }

    /**
     * @api
     */
    public function rollback()
    {
        $this->registry->reset();
    }

    /**
     * @param $entity
     * @return int
     * @throws InvalidArgumentException
     * @throws RuntimeException
     */
    private function getEntityState($entity)
    {
        if (!is_object($entity)) {
            throw new InvalidArgumentException("Only objects can be registered in Unit of Work.");
        }

        if (!$this->isRegistered($entity)) {
            throw new RuntimeException("Object need to be registered first in the Unit of Work.");
        }

        if ($this->registry->isRemoved($entity)) {
            return EntityStates::REMOVED_ENTITY;
        }

        if (!$this->identifier->isPersisted($entity)) {
            return EntityStates::NEW_ENTITY;
        }

        if ($this->isChanged($entity)) {
            return EntityStates::EDITED_ENTITY;
        }

        return EntityStates::PERSISTED_ENTITY;
    }

    /**
     * @param $entity
     * @return bool
     * @throws RuntimeException
     */
    private function isChanged($entity)
    {
        return !$this->comparer->areEqual(
            $entity,
            $this->registry->getSnapshot($entity)
        );
    }
}


1			<?php
2
3			namespace Isolate\UnitOfWork;
4
5			use Isolate\UnitOfWork\Entity\ChangeBuilder;
6			use Isolate\UnitOfWork\Entity\Comparer;
7			use Isolate\UnitOfWork\Entity\Identifier;
8			use Isolate\UnitOfWork\Object\Registry;
9			use Isolate\UnitOfWork\Command\EditCommand;
10			use Isolate\UnitOfWork\Command\NewCommand;
11			use Isolate\UnitOfWork\Command\RemoveCommand;
12			use Isolate\UnitOfWork\Exception\InvalidArgumentException;
13			use Isolate\UnitOfWork\Exception\RuntimeException;
14			use Isolate\UnitOfWork\Entity\Definition;
15
16			/**
17			* @api
18			*/
19			class UnitOfWork
20			{
21			/**
22			* @var Registry
23			*/
24			private $registry;
25
26			/**
27			* @var Identifier
28			*/
29			private $identifier;
30
31			/**
32			* @var ChangeBuilder
33			*/
34			private $changeBuilder;
35
36			/**
37			* @var Comparer
38			*/
39			private $comparer;
40
41			/**
42			* @var CommandBus
43			*/
44			private $commandBus;
45
46			/**
47			* @param Registry $registry
48			* @param Identifier $identifier
49			* @param ChangeBuilder $changeBuilder
50			* @param Comparer $entityComparer
51			* @param CommandBus $commandBus
52			*/
53			public function __construct(
54			Registry $registry,
55			Identifier $identifier,
56			ChangeBuilder $changeBuilder,
57			Comparer $entityComparer,
58			CommandBus $commandBus
59			) {
60			$this->registry = $registry;
61			$this->identifier = $identifier;
62			$this->changeBuilder = $changeBuilder;
63			$this->comparer = $entityComparer;
64			$this->commandBus = $commandBus;
65			}
66
67			/**
68			* @param $entity
69			* @throws InvalidArgumentException
70			* @throws RuntimeException
71			*
72			* @api
73			*/
74			public function register($entity)
75			{
76			if (!is_object($entity)) {
77			throw new InvalidArgumentException("Only objects can be registered in Unit of Work.");
78			}
79
80			if (!$this->identifier->isEntity($entity)) {
81			throw new InvalidArgumentException("Only entities can be registered in Unit of Work.");
82			}
83
84			$this->registry->register($entity);
85			}
86
87			/**
88			* @param $entity
89			* @return bool
90			*
91			* @api
92			*/
93			public function isRegistered($entity)
94			{
95			return $this->registry->isRegistered($entity);
96			}
97
98			/**
99			* @param $entity
100			* @throws InvalidArgumentException
101			* @throws RuntimeException
102			*
103			* @api
104			*/
105			public function remove($entity)
106			{
107			if (!is_object($entity)) {
108			throw new InvalidArgumentException("Only objects can be registered in Unit of Work.");
109			}
110
111			if (!$this->isRegistered($entity)) {
112			if (!$this->identifier->isPersisted($entity)) {
113			throw new RuntimeException("Unit of Work can't remove not persisted entities.");
114			}
115			}
116
117			$this->registry->remove($entity);
118			}
119
120			/**
121			* @throws InvalidArgumentException
122			* @throws RuntimeException
123			*
124			* @api
125			*/
126			public function commit()
127			{
128			foreach ($this->registry->all() as $entity) {
129			switch($this->getEntityState($entity)) {
130			case EntityStates::NEW_ENTITY:
131			$this->commandBus->dispatch(new NewCommand($entity));
132			break;
133			case EntityStates::EDITED_ENTITY:
134			$changeSet = $this->changeBuilder->buildChanges($this->registry->getSnapshot($entity), $entity);
135			$this->commandBus->dispatch(new EditCommand($entity, $changeSet));
136			break;
137			case EntityStates::REMOVED_ENTITY:
138			$this->commandBus->dispatch(new RemoveCommand($entity));
139			break;
140			}
141			}
142
143			$this->registry->cleanRemoved();
144			$this->registry->makeNewSnapshots();
145			}
146
147			/**
148			* @api
149			*/
150			public function rollback()
151			{
152			$this->registry->reset();
153			}
154
155			/**
156			* @param $entity
157			* @return int
158			* @throws InvalidArgumentException
159			* @throws RuntimeException
160			*/
161			private function getEntityState($entity)
162			{
163			if (!is_object($entity)) {
164			throw new InvalidArgumentException("Only objects can be registered in Unit of Work.");
165			}
166
167			if (!$this->isRegistered($entity)) {
168			throw new RuntimeException("Object need to be registered first in the Unit of Work.");
169			}
170
171			if ($this->registry->isRemoved($entity)) {
172			return EntityStates::REMOVED_ENTITY;
173			}
174
175			if (!$this->identifier->isPersisted($entity)) {
176			return EntityStates::NEW_ENTITY;
177			}
178
179			if ($this->isChanged($entity)) {
180			return EntityStates::EDITED_ENTITY;
181			}
182
183			return EntityStates::PERSISTED_ENTITY;
184			}
185
186			/**
187			* @param $entity
188			* @return bool
189			* @throws RuntimeException
190			*/
191			private function isChanged($entity)
192			{
193			return !$this->comparer->areEqual(
194			$entity,
195			$this->registry->getSnapshot($entity)
196			);
197			}
198			}
199

isolate-org / unit-of-work

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UnitOfWork::getEntityState() B last analyzed 2016-10-12 09:53 UTC

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UnitOfWork::getEntityState() B
last analyzed 2016-10-12 09:53 UTC