Connection::closeSavePoints() - Code Metrics - Inspection of "Fix checkstyle." - gielfeldt/transactionalphp - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( d76c6e...84d442 )

by Thomas

created 2016-05-21 20:49 UTC

Connection::closeSavePoints() A

↳ Parent: Connection

Complexity

Conditions	4
Paths	4

Size

Total Lines	11
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	4

Metric	Value
dl	0
loc	11
ccs	9
cts	9
cp	1
rs	9.2
cc	4
eloc	7
nc	4
nop	2
crap	4

<?php

namespace Gielfeldt\TransactionalPHP;

/**
 * Class Connection
 *
 * @package Gielfeldt\TransactionalPHP
 */
class Connection
{
    /**
     * @var Operation[]
     */
    protected $operations = [];

    /**
     * @var int
     */
    protected $idx = 0;

    /**
     * @var int[]
     */
    protected $savePoints = [];

    /**
     * @var int
     */
    protected $depth = 0;

    /**
     * @var null|string
     */
    protected $connectionId;

    /**
     * Connection constructor.
     *
     * @param null|string $connectionId
     *   (optional) The id of the connection.
     */
    public function __construct($connectionId = null)
    {
        $this->connectionId = isset($connectionId) ? $connectionId : uniqid();
    }

    /**
     * Get connection id.
     *
     * @return null|string
     */
    public function connectionId()
    {
        return $this->connectionId;
    }

    /**
     * Get current depth.
     *
     * @return int
     */
    public function getDepth()
    {
        return $this->depth;
    }

    /**
     * Remove savepoints to and acquire index of latest active savepoint.
     *
     * @param int $oldDepth
     *   The old depth.
     * @param $newDepth
     *   The new depth.
     *
     * @return int|null
     *   The last index, if found.
     */
    protected function closeSavePoints($oldDepth, $newDepth)
    {
        $idx = null;
        for ($depth = $newDepth + 1; $depth <= $oldDepth; $depth++) {
            if (isset($this->savePoints[$depth])) {
                $idx = isset($idx) ? $idx : $this->savePoints[$depth];
                unset($this->savePoints[$depth]);
            }
        }
        return $idx;
    }

    /**
     * {@inheritdoc}
     */
    public function startTransaction($newDepth = null)
    {
        $this->depth = isset($newDepth) ? $newDepth : $this->depth + 1;
        $this->savePoints[$this->depth] = $this->idx;
    }

    /**
     * {@inheritdoc}
     */
    public function commitTransaction($newDepth = null)
    {
        $oldDepth = $this->depth;
        $this->depth = isset($newDepth) ? $newDepth : $oldDepth - 1;
        if ($this->depth < 0) {
            throw new \RuntimeException('Trying to commit non-existant transaction.');
        }

        // Remove savepoints to and acquire index of latest active savepoint.
        $idx = $this->closeSavePoints($oldDepth, $this->depth);

        // Is this a real commit.
        if ($this->depth == 0 && isset($idx)) {
            // Perform the operations if any found.
            end($this->operations);
            $lastIdx = key($this->operations);
            for ($removeIdx = $idx; $removeIdx <= $lastIdx; $removeIdx++) {
                if (isset($this->operations[$removeIdx])) {
                    $this->operations[$removeIdx]->commit($this);
                    $this->removeOperation($this->operations[$removeIdx]);
                }
            }
            reset($this->operations);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function rollbackTransaction($newDepth = null)
    {
        $oldDepth = $this->depth;
        $this->depth = isset($newDepth) ? $newDepth : $oldDepth - 1;
        if ($this->depth < 0) {
            throw new \RuntimeException('Trying to rollback non-existant transaction.');
        }

        // Remove savepoints to and acquire index of latest active savepoint.
        $idx = $this->closeSavePoints($oldDepth, $this->depth);

        // Remove operations up until latest active savepoint.
        if (isset($idx)) {
            end($this->operations);
            $lastIdx = key($this->operations);
            for ($removeIdx = $idx; $removeIdx <= $lastIdx; $removeIdx++) {
                if (isset($this->operations[$removeIdx])) {
                    $this->operations[$removeIdx]->rollback($this);
                    $this->removeOperation($this->operations[$removeIdx]);
                }
            }
            reset($this->operations);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function addOperation(Operation $operation)
    {
        if ($this->depth <= 0) {
            $operation->commit();
            return $operation;
        }
        $idx = $this->idx;
        $this->idx++;
        $this->operations[$idx] = $operation;
        $operation->setIdx($this, $idx);
        return $operation;
    }

    /**
     * {@inheritdoc}
     */
    public function hasOperation(Operation $operation)
    {
        return isset($this->operations[$operation->idx($this)]);
    }

    /**
     * {@inheritdoc}
     */
    public function removeOperation(Operation $operation)
    {
        unset($this->operations[$operation->idx($this)]);
    }

    /**
     * Short-hand notation for adding code to be run on commit.
     *
     * @param callable $callback
     *   The code to run on commit.
     *
     * @return Operation
     */
    public function onCommit(callable $callback)
    {
        return $this->addOperation((new Operation())
            ->onCommit($callback));
    }

    /**
     * Short-hand notation for adding code to be run on rollback.
     *
     * @param callable $callback
     *   The code to run on rollback.
     *
     * @return Operation
     */
    public function onRollback(callable $callback)
    {
        return $this->addOperation((new Operation())
            ->onRollback($callback));
    }

    /**
     * Short-hand notation for adding code to be run on rollback.
     *
     * @param mixed $value
     *   The value to add.
     *
     * @return Operation
     */
    public function addValue($value)
    {
        return $this->addOperation((new Operation())
            ->setValue($value));
    }
}


1		<?php
2
3		namespace Gielfeldt\TransactionalPHP;
4
5		/**
6		* Class Connection
7		*
8		* @package Gielfeldt\TransactionalPHP
9		*/
10		class Connection
11		{
12		/**
13		* @var Operation[]
14		*/
15		protected $operations = [];
16
17		/**
18		* @var int
19		*/
20		protected $idx = 0;
21
22		/**
23		* @var int[]
24		*/
25		protected $savePoints = [];
26
27		/**
28		* @var int
29		*/
30		protected $depth = 0;
31
32		/**
33		* @var null\|string
34		*/
35		protected $connectionId;
36
37		/**
38		* Connection constructor.
39		*
40		* @param null\|string $connectionId
41		* (optional) The id of the connection.
42		*/
43	1	public function __construct($connectionId = null)
44		{
45	1	$this->connectionId = isset($connectionId) ? $connectionId : uniqid();
46	1	}
47
48		/**
49		* Get connection id.
50		*
51		* @return null\|string
52		*/
53	1	public function connectionId()
54		{
55	1	return $this->connectionId;
56		}
57
58		/**
59		* Get current depth.
60		*
61		* @return int
62		*/
63		public function getDepth()
64		{
65		return $this->depth;
66		}
67
68		/**
69		* Remove savepoints to and acquire index of latest active savepoint.
70		*
71		* @param int $oldDepth
72		* The old depth.
73		* @param $newDepth
74		* The new depth.
75		*
76		* @return int\|null
77		* The last index, if found.
78		*/
79	2	protected function closeSavePoints($oldDepth, $newDepth)
80		{
81	2	$idx = null;
82	2	for ($depth = $newDepth + 1; $depth <= $oldDepth; $depth++) {
83	2	if (isset($this->savePoints[$depth])) {
84	2	$idx = isset($idx) ? $idx : $this->savePoints[$depth];
85	2	unset($this->savePoints[$depth]);
86	2	}
87	2	}
88	2	return $idx;
89		}
90
91		/**
92		* {@inheritdoc}
93		*/
94	1	public function startTransaction($newDepth = null)
95		{
96	1	$this->depth = isset($newDepth) ? $newDepth : $this->depth + 1;
97	1	$this->savePoints[$this->depth] = $this->idx;
98	1	}
99
100		/**
101		* {@inheritdoc}
102		*/
103	2	public function commitTransaction($newDepth = null)
104		{
105	2	$oldDepth = $this->depth;
106	2	$this->depth = isset($newDepth) ? $newDepth : $oldDepth - 1;
107	2	if ($this->depth < 0) {
108	1	throw new \RuntimeException('Trying to commit non-existant transaction.');
109		}
110
111		// Remove savepoints to and acquire index of latest active savepoint.
112	2	$idx = $this->closeSavePoints($oldDepth, $this->depth);
113
114		// Is this a real commit.
115	2	if ($this->depth == 0 && isset($idx)) {
116		// Perform the operations if any found.
117	2	end($this->operations);
118	2	$lastIdx = key($this->operations);
119	2	for ($removeIdx = $idx; $removeIdx <= $lastIdx; $removeIdx++) {
120	2	if (isset($this->operations[$removeIdx])) {
121	1	$this->operations[$removeIdx]->commit($this);
122	1	$this->removeOperation($this->operations[$removeIdx]);
123	1	}
124	2	}
125	2	reset($this->operations);
126	2	}
127	2	}
128
129		/**
130		* {@inheritdoc}
131		*/
132	2	public function rollbackTransaction($newDepth = null)
133		{
134	2	$oldDepth = $this->depth;
135	2	$this->depth = isset($newDepth) ? $newDepth : $oldDepth - 1;
136	2	if ($this->depth < 0) {
137	1	throw new \RuntimeException('Trying to rollback non-existant transaction.');
138		}
139
140		// Remove savepoints to and acquire index of latest active savepoint.
141	2	$idx = $this->closeSavePoints($oldDepth, $this->depth);
142
143		// Remove operations up until latest active savepoint.
144	2	if (isset($idx)) {
145	2	end($this->operations);
146	2	$lastIdx = key($this->operations);
147	2	for ($removeIdx = $idx; $removeIdx <= $lastIdx; $removeIdx++) {
148	2	if (isset($this->operations[$removeIdx])) {
149	1	$this->operations[$removeIdx]->rollback($this);
150	1	$this->removeOperation($this->operations[$removeIdx]);
151	1	}
152	2	}
153	2	reset($this->operations);
154	2	}
155	2	}
156
157		/**
158		* {@inheritdoc}
159		*/
160	1	public function addOperation(Operation $operation)
161		{
162	1	if ($this->depth <= 0) {
163	1	$operation->commit();
164	1	return $operation;
165		}
166	1	$idx = $this->idx;
167	1	$this->idx++;
168	1	$this->operations[$idx] = $operation;
169	1	$operation->setIdx($this, $idx);
170	1	return $operation;
171		}
172
173		/**
174		* {@inheritdoc}
175		*/
176	2	public function hasOperation(Operation $operation)
177		{
178	2	return isset($this->operations[$operation->idx($this)]);
179		}
180
181		/**
182		* {@inheritdoc}
183		*/
184	1	public function removeOperation(Operation $operation)
185		{
186	1	unset($this->operations[$operation->idx($this)]);
187	1	}
188
189		/**
190		* Short-hand notation for adding code to be run on commit.
191		*
192		* @param callable $callback
193		* The code to run on commit.
194		*
195		* @return Operation
196		*/
197	1	public function onCommit(callable $callback)
198		{
199	1	return $this->addOperation((new Operation())
200	1	->onCommit($callback));
201		}
202
203		/**
204		* Short-hand notation for adding code to be run on rollback.
205		*
206		* @param callable $callback
207		* The code to run on rollback.
208		*
209		* @return Operation
210		*/
211	1	public function onRollback(callable $callback)
212		{
213	1	return $this->addOperation((new Operation())
214	1	->onRollback($callback));
215		}
216
217		/**
218		* Short-hand notation for adding code to be run on rollback.
219		*
220		* @param mixed $value
221		* The value to add.
222		*
223		* @return Operation
224		*/
225	1	public function addValue($value)
226		{
227	1	return $this->addOperation((new Operation())
228	1	->setValue($value));
229		}
230		}
231

gielfeldt / transactionalphp

Push — master ( d76c6e...84d442 )

Connection::closeSavePoints() A

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