InMemoryEventStore - Code Metrics - Inspection of "Projection of non existing stream" - DDDominio/event-sourcing - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ba82d8...306a50 )

by Daniel

created 2017-02-12 17:06 UTC

InMemoryEventStore A

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	135
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Test Coverage

Coverage

97.78%

Importance

Changes

Metric	Value
dl	0
loc	135
c	0
b	0
f	0
wmc	20
lcom	1
cbo	4
ccs	44
cts	45
cp	0.9778
rs	10

9 Methods

Rating	Name	Size	Complexity
A	__construct()	8	1
A	appendStoredEvents()	8	2
A	readFullStream()	10	2
A	readStreamEventsForward()	15	3
A	readAllStreams()	8	2
A	readAllEvents()	9	2
A	streamVersion()	5	2
B	readStoredEventsOfTypeAndVersion()	13	5
A	streamExists()	4	1

<?php

namespace DDDominio\EventSourcing\EventStore;

use DDDominio\EventSourcing\Common\EventStream;
use DDDominio\EventSourcing\Common\EventStreamInterface;
use DDDominio\EventSourcing\Serialization\SerializerInterface;
use DDDominio\EventSourcing\Versioning\EventUpgrader;
use DDDominio\EventSourcing\Versioning\Version;

class InMemoryEventStore extends AbstractEventStore
{
    /**
     * @var StoredEventStream[]
     */
    private $streams;

    /**
     * @param SerializerInterface $serializer
     * @param EventUpgrader $eventUpgrader
     * @param StoredEventStream[] $streams
     */
    public function __construct(
        $serializer,
        $eventUpgrader,
        array $streams = []
    ) {
        parent::__construct($serializer, $eventUpgrader);
        $this->streams = $streams;
    }

    /**
     * @param string $streamId
     * @param StoredEvent[] $storedEvents
     * @param int $expectedVersion
     */
    protected function appendStoredEvents($streamId, $storedEvents, $expectedVersion)
    {
        if ($this->streamExists($streamId)) {
            $this->streams[$streamId] = $this->streams[$streamId]->append($storedEvents);
        } else {
            $this->streams[$streamId] = new StoredEventStream($streamId, $storedEvents);
        }
    }

    /**
     * @param string $streamId
     * @return EventStreamInterface
     */
    public function readFullStream($streamId)
    {
        if ($this->streamExists($streamId)) {
            return $this->domainEventStreamFromStoredEvents(
                $this->streams[$streamId]->events()
function acceptsInteger($int) { }

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

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            );
        } else {
            return EventStream::buildEmpty();
        }
    }

    /**
     * @param string $streamId
     * @param int $start
     * @param int $count
     * @return EventStreamInterface
     */
    public function readStreamEventsForward($streamId, $start = 1, $count = null)
    {
        if (!$this->streamExists($streamId)) {
            return EventStream::buildEmpty();
        }

        $storedEvents = $this->streams[$streamId]->events();

        if (isset($count)) {
            $filteredStoredEvents = array_splice($storedEvents, $start - 1, $count);
        } else {
            $filteredStoredEvents = array_splice($storedEvents, $start - 1);
        }
        return $this->domainEventStreamFromStoredEvents($filteredStoredEvents);
function acceptsInteger($int) { }

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

// Instead of
acceptsInteger($x);

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

    /**
     * @return EventStreamInterface[]
     */
    public function readAllStreams()
    {
        $allStreams = [];
        foreach ($this->streams as $stream) {
            $allStreams[] = $this->domainEventStreamFromStoredEvents($stream->events());
function acceptsInteger($int) { }

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

// Instead of
acceptsInteger($x);

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

    /**
     * @return EventStreamInterface
     */
    public function readAllEvents()
    {
        $allEventsStream = EventStream::buildEmpty();
        foreach ($this->streams as $stream) {
            $streamEvents = $this->domainEventStreamFromStoredEvents($stream->events());
function acceptsInteger($int) { }

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

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            $allEventsStream = $allEventsStream->append($streamEvents->events());
        }
        return $allEventsStream;
    }

    /**
     * @param string $streamId
     * @return int
     */
    protected function streamVersion($streamId)
    {
        return $this->streamExists($streamId) ?
            count($this->streams[$streamId]->events()) : 0;
    }

    /**
     * @param string $type
     * @param Version $version
     * @return EventStreamInterface
     */
    protected function readStoredEventsOfTypeAndVersion($type, $version)
    {
        $storedEvents = [];
        foreach ($this->streams as $stream) {
            /** @var StoredEvent $event */
            foreach ($stream as $event) {
                if ($event->type() === $type && $event->version()->equalTo($version)) {
                    $storedEvents[] = $event;
                }
            }
        }
        return new EventStream($storedEvents);
    }

    /**
     * @param string $streamId
     * @return bool
     */
    protected function streamExists($streamId)
    {
        return isset($this->streams[$streamId]);
    }
}


1		<?php
2
3		namespace DDDominio\EventSourcing\EventStore;
4
5		use DDDominio\EventSourcing\Common\EventStream;
6		use DDDominio\EventSourcing\Common\EventStreamInterface;
7		use DDDominio\EventSourcing\Serialization\SerializerInterface;
8		use DDDominio\EventSourcing\Versioning\EventUpgrader;
9		use DDDominio\EventSourcing\Versioning\Version;
10
11		class InMemoryEventStore extends AbstractEventStore
12		{
13		/**
14		* @var StoredEventStream[]
15		*/
16		private $streams;
17
18		/**
19		* @param SerializerInterface $serializer
20		* @param EventUpgrader $eventUpgrader
21		* @param StoredEventStream[] $streams
22		*/
23	29	public function __construct(
24		$serializer,
25		$eventUpgrader,
26		array $streams = []
27		) {
28	29	parent::__construct($serializer, $eventUpgrader);
29	29	$this->streams = $streams;
30	29	}
31
32		/**
33		* @param string $streamId
34		* @param StoredEvent[] $storedEvents
35		* @param int $expectedVersion
36		*/
37	13	protected function appendStoredEvents($streamId, $storedEvents, $expectedVersion)
38		{
39	13	if ($this->streamExists($streamId)) {
40	4	$this->streams[$streamId] = $this->streams[$streamId]->append($storedEvents);
41		} else {
42	10	$this->streams[$streamId] = new StoredEventStream($streamId, $storedEvents);
43		}
44	13	}
45
46		/**
47		* @param string $streamId
48		* @return EventStreamInterface
49		*/
50	18	public function readFullStream($streamId)
51		{
52	18	if ($this->streamExists($streamId)) {
53	14	return $this->domainEventStreamFromStoredEvents(
54	14	$this->streams[$streamId]->events()
		0 ignored issues – show Documentation introduced 2017-02-11 16:14 UTC by Report Bug Copy Issue Report `$this->streams[$streamId]->events()` is of type `array<integer,object<DDD...Common\EventInterface>>`, but the function expects a `array<integer,object<DDD...ventStore\StoredEvent>>`. 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...
55		);
56		} else {
57	4	return EventStream::buildEmpty();
58		}
59		}
60
61		/**
62		* @param string $streamId
63		* @param int $start
64		* @param int $count
65		* @return EventStreamInterface
66		*/
67	4	public function readStreamEventsForward($streamId, $start = 1, $count = null)
68		{
69	4	if (!$this->streamExists($streamId)) {
70		return EventStream::buildEmpty();
71		}
72
73	4	$storedEvents = $this->streams[$streamId]->events();
74
75	4	if (isset($count)) {
76	1	$filteredStoredEvents = array_splice($storedEvents, $start - 1, $count);
77		} else {
78	3	$filteredStoredEvents = array_splice($storedEvents, $start - 1);
79		}
80	4	return $this->domainEventStreamFromStoredEvents($filteredStoredEvents);
		0 ignored issues – show Documentation introduced 2017-02-11 16:14 UTC by Report Bug Copy Issue Report `$filteredStoredEvents` is of type `array<integer,object<DDD...Common\EventInterface>>`, but the function expects a `array<integer,object<DDD...ventStore\StoredEvent>>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
81		}
82
83		/**
84		* @return EventStreamInterface[]
85		*/
86	2	public function readAllStreams()
87		{
88	2	$allStreams = [];
89	2	foreach ($this->streams as $stream) {
90	1	$allStreams[] = $this->domainEventStreamFromStoredEvents($stream->events());
		0 ignored issues – show Documentation introduced 2017-02-12 17:09 UTC by Report Bug Copy Issue Report `$stream->events()` is of type `array<integer,object<DDD...Common\EventInterface>>`, but the function expects a `array<integer,object<DDD...ventStore\StoredEvent>>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
91		}
92	2	return $allStreams;
93		}
94
95		/**
96		* @return EventStreamInterface
97		*/
98	1	public function readAllEvents()
99		{
100	1	$allEventsStream = EventStream::buildEmpty();
101	1	foreach ($this->streams as $stream) {
102	1	$streamEvents = $this->domainEventStreamFromStoredEvents($stream->events());
		0 ignored issues – show Documentation introduced 2017-02-12 17:09 UTC by Report Bug Copy Issue Report `$stream->events()` is of type `array<integer,object<DDD...Common\EventInterface>>`, but the function expects a `array<integer,object<DDD...ventStore\StoredEvent>>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
103	1	$allEventsStream = $allEventsStream->append($streamEvents->events());
104		}
105	1	return $allEventsStream;
106		}
107
108		/**
109		* @param string $streamId
110		* @return int
111		*/
112	4	protected function streamVersion($streamId)
113		{
114	4	return $this->streamExists($streamId) ?
115	4	count($this->streams[$streamId]->events()) : 0;
116		}
117
118		/**
119		* @param string $type
120		* @param Version $version
121		* @return EventStreamInterface
122		*/
123	1	protected function readStoredEventsOfTypeAndVersion($type, $version)
124		{
125	1	$storedEvents = [];
126	1	foreach ($this->streams as $stream) {
127		/** @var StoredEvent $event */
128	1	foreach ($stream as $event) {
129	1	if ($event->type() === $type && $event->version()->equalTo($version)) {
130	1	$storedEvents[] = $event;
131		}
132		}
133		}
134	1	return new EventStream($storedEvents);
135		}
136
137		/**
138		* @param string $streamId
139		* @return bool
140		*/
141	28	protected function streamExists($streamId)
142		{
143	28	return isset($this->streams[$streamId]);
144		}
145		}
146

DDDominio / event-sourcing

Push — master ( ba82d8...306a50 )

InMemoryEventStore A

Complexity

Size/Duplication

Coupling/Cohesion

Test Coverage

Importance

9 Methods

Duplication Side-by-Side

Filter issues like