DocumentChange class
Represents a change to a document in a query result.
Parameters:
- doc: The changed document snapshot.
- newIndex: The index of the document in the new snapshot.
- oldIndex: The index of the document in the old snapshot.
- type: The type of change (added, modified, removed).
Returns: An instance of DocumentChange.
Example:
var change = DocumentChange(doc: snapshot, newIndex: 1, oldIndex: 0, type: DocumentChangeType.modified);
Constructors
-
DocumentChange({required DocumentSnapshot<
Object?> doc, required int newIndex, required int oldIndex, required DocumentChangeType type}) - DocumentChange.fromJson(dynamic jsonString, dynamic db)
-
Creates a DocumentChange from JSON data.
factory
Properties
-
doc
→ DocumentSnapshot<
Object?> -
Gets the changed document snapshot.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- newIndex → int
-
Gets the new index of the document.
no setter
- oldIndex → int
-
Gets the old index of the document.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- type → DocumentChangeType
-
Gets the type of change.
no setter
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toJson(
) → dynamic - Converts the DocumentChange to JSON.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited