Completed
Branch 0.4-dev (3e8fde)
by Evgenij
17:21
created

NullOperation::getTypes()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
dl 0
loc 4
ccs 2
cts 2
cp 1
rs 10
c 0
b 0
f 0
cc 1
eloc 2
nc 1
nop 0
crap 1
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<?php
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/**
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 * Async sockets
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 *
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 * @copyright Copyright (c) 2015-2017, Efimov Evgenij <[email protected]>
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 *
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 * This source file is subject to the MIT license that is bundled
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 * with this source code in the file LICENSE.
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 */
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namespace AsyncSockets\Operation;
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/**
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 * Class NullOperation. Special no-value operation. Do not use in your code!
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 */
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class NullOperation implements OperationInterface
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{
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    /**
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     * Return single instance of operation
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     *
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     * @return NullOperation
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     */
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    public static function getInstance()
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    {
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        static $instance;
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        if (!$instance) {
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            $instance = new self();
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        }
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        return $instance;
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    }
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    /**
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     * @inheritDoc
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     */
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    public function getTypes()
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    {
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        return [self::OPERATION_READ];
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    }
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}
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