DBCollection class abstract
An abstract class representing a MongoDB collection with utility methods.
The DBCollection class provides an abstraction over a MongoDB collection,
offering various methods to interact with the database, such as checking for
the existence of a document by its ID, updating fields, and more. This class
is meant to be extended by other classes for more specific collection implementations.
Constructors
- DBCollection({required String name, required Db db})
-
Constructor to initialize the
nameof the collection and thedbinstance.
Properties
- collection → DbCollection
-
Provides direct access to the underlying MongoDB collection.
no setter
- db ↔ Db
-
The MongoDB database instance.
getter/setter pair
- hashCode → int
-
The hash code for this object.
no setterinherited
-
isEmpty
→ Future<
bool> -
Checks if the collection is empty.
no setter
-
isNotEmpty
→ Future<
bool> -
Checks if the collection is not empty.
no setter
- name ↔ String
-
The name of the MongoDB collection.
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
copy(
String id) → Future< void> - Creates a copy of a document by its ID and inserts it as a new document.
-
delete(
String id) → Future< bool> - Deletes a document from the collection by its ID.
-
deleteAll(
) → Future< bool> -
Deletes all documents from the collection.
Returns
trueif the deletion was successful, otherwisefalse. You have to be careful when using this method, as it will delete all documents in the collection. -
exist(
String field, Object value) → Future< bool> -
Checks if a document with the specified
fieldandvalueexists in the collection. -
existId(
String idField) → Future< bool> - Checks if a document with the given ID exists in the collection.
-
getCount(
{String? field, Object? value, Map< String, Object?> ? filter}) → Future<int> - Retrieves the count of documents in the collection based on the specified filters.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
updateAllForField(
{required String field, required Object? value, required Map< String, Object?> ? filter}) → Future<void> -
Updates a specific field for all documents that match the given
filter. -
updateField(
String id, String field, Object? value) → Future< void> - Updates a specific field of a document by its ID.
-
updateFields(
String id, Map< String, dynamic> fields) → Future<void> - Updates multiple fields of a document by its ID.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited