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FindOperations

interface FindOperations<Document : Any> : BaseOperations

Interface grouping MongoDB operations allowing to search for information.

Inheritors

Properties

context

@LowLevelApi



abstract val context: BsonContext

Functions

find

abstract fun find(): MongoIterable<Document>

Finds all documents in this collection.

External resources
abstract fun find(options: FindOptions<Document>.() -> Unit = {}, filter: FilterQuery<Document>.() -> Unit): MongoIterable<Document>

Finds all documents in this collection that satisfy filter.

If multiple predicates are specified, an and operator is implied.

Example
class User(
    val name: String,
    val age: Int,
)

collection.find {
    User::name eq "foo"
    User::age eq 10
}
External resources

See also

findOne

open fun findOne(options: FindOptions<Document>.() -> Unit = {}, filter: FilterQuery<Document>.() -> Unit): Document?

Finds a document in this collection that satisfies filter.

If multiple predicates are specified, and and operator is implied.

This function doesn't check that there is exactly one value in the collection. It simply returns the first matching document it finds.

Example
class User(
    val name: String,
    val age: Int,
)

collection.findOne {
    User::name eq "foo"
    User::age eq 10
}

See also