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by Stan
04:29
created

Counter::incrementBy()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 9
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 2

Importance

Changes 0
Metric Value
cc 2
eloc 4
nc 2
nop 2
dl 0
loc 9
ccs 5
cts 5
cp 1
crap 2
rs 10
c 0
b 0
f 0
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<?php
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namespace Krenor\Prometheus\Metrics;
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use Krenor\Prometheus\Contracts\Types\Incrementable;
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use Krenor\Prometheus\Exceptions\PrometheusException;
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abstract class Counter extends Metric implements Incrementable
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{
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    /**
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     * {@inheritdoc}
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     */
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    public function type(): string
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    {
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        return 'counter';
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    }
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    /**
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     * {@inheritdoc}
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     *
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     * @return self
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     */
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    public function increment(array $labels = []): Incrementable
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    {
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        return $this->incrementBy(1, $labels);
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    }
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    /**
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     * {@inheritdoc}
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     *
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     * @return self
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     */
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    public function incrementBy(float $value, array $labels = []): Incrementable
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    {
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        if ($value < 0) {
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            throw new PrometheusException('Counters can only be incremented by non-negative amounts.');
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        }
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        static::$storage->increment($this, $value, $labels);
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        return $this;
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    }
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}
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