count

@GenerateBridge
open fun count(): Long

Counts the number of this type of entity in the database.

Return

the number of this type of entity in the database.

See also


@GenerateBridge
open fun count(query: String, vararg params: Any?): Long

Counts the number of this type of entity matching the given query, with optional indexed parameters.

Return

the number of entities counted.

Parameters

query

a query string

params

optional sequence of indexed parameters

See also


@GenerateBridge
open fun count(query: String, params: Map<String, Any?>): Long

Counts the number of this type of entity matching the given query, with named parameters.

Return

the number of entities counted.

Parameters

query

a query string

params

Map of named parameters

See also


@GenerateBridge
open fun count(query: String, params: Parameters): Long

Counts the number of this type of entity matching the given query with named parameters.

Return

the number of entities counted.

Parameters

query

a query string

params

Parameters of named parameters

See also


@GenerateBridge
open fun count(query: Bson): Long

Counts the number of this type of entity matching the given query

Return

the number of entities counted.

Parameters

query

a query document

See also