Class LLenCommand

Available since 1.0.0.

LLEN key

Returns the length of the list stored at key. If key does not exist, it is interpreted as an empty list and 0 is returned. An error is returned when the value stored at key is not a list.

Return value

Integer reply: the length of the list at key.

Hierarchy

Constructors

constructor

Properties

DbDataType blocking? dataType? logger maxParams minParams name pubSubAllowed? sign? txIgnore?

Methods

execSync

Constructors

constructor

Properties

DbDataType

DbDataType: DataType = DataType.LIST

Optional blocking

blocking?: boolean

Optional dataType

dataType?: DataType

Used for "database" commands to enforce type checking.

Private logger

logger: Logger = ...

maxParams

maxParams: number = 1

Maximum number of parameters allowed. -1 for no maximum.

minParams

minParams: number = 1

Minimum number of parameters require.

name

name: string = "llen"

Optional pubSubAllowed

pubSubAllowed?: boolean

Used when PUB/SUB is in effect.

Optional sign

sign?: number

Sign is used in commands with a compliment command. The only current example is INCR/DECR. Sign is 1 for INCR and -1 for DECR

Optional txIgnore

txIgnore?: boolean

Used in transactions to enqueue a command.

Methods

execSync

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