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Grafana documentation API Reference @grafana/data CircularVector

CircularVector class

Circular vector uses a single buffer to capture a stream of values overwriting the oldest value on add.

This supports adding to the ‘head’ or ’tail’ and will grow the buffer to match a configured capacity.

Signature

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export declare class CircularVector<T = any> extends FunctionalVector<T> implements MutableVector<T> 

Import

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import { CircularVector } from '@grafana/data';

Constructors

Properties

Methods

constructor(options)

Constructs a new instance of the CircularVector class

Signature

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constructor(options: CircularOptions<T>);

Parameters

add property

Add the value to the buffer

Signature

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add: (value: T) => void;

length property

Signature

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get length(): number;

get method

Signature

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get(index: number): T;

Parameters

Returns:

T

reverse method

Signature

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reverse(): void;

Returns:

void

set method

Signature

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set(index: number, value: T): void;

Parameters

Returns:

void

setAppendMode method

Signature

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setAppendMode(mode: 'head' | 'tail'): void;

Parameters

Returns:

void

setCapacity method

Signature

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setCapacity(v: number): void;

Parameters

Returns:

void

toArray method

Signature

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toArray(): T[];

Returns:

T[]

toJSON method

Signature

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toJSON(): T[];

Returns:

T[]