Mutation<R> constructor
Mutation<R> (
- MutationKey<
R> key, { - MutationInitialDataCallback<
R> ? initialData, - MutationMutateCallback<
R> ? initialMutate, - MutationOnUpdateInitializedCallback? onUpdateInitialized,
- MutationOnUpdateDataCallback<
R> ? onUpdateData, - MutationOnUpdateErrorCallback? onUpdateError,
- MutationOnUpdateLoadingCallback? onUpdateLoading,
- MutationOnCloseCallback<
R> ? onClose,
Implementation
Mutation(this.key,
{MutationInitialDataCallback<R>? initialData,
MutationMutateCallback<R>? initialMutate,
MutationOnUpdateInitializedCallback? onUpdateInitialized,
MutationOnUpdateDataCallback<R>? onUpdateData,
MutationOnUpdateErrorCallback? onUpdateError,
MutationOnUpdateLoadingCallback? onUpdateLoading,
MutationOnCloseCallback<R>? onClose}) {
if (onUpdateData != null) {
_onUpdateDataList.add(onUpdateData);
}
if (onUpdateError != null) {
_onUpdateErrorList.add(onUpdateError);
}
if (onUpdateInitialized != null) {
_onUpdateInitializedList.add(onUpdateInitialized);
}
if (onUpdateLoading != null) {
_onUpdateLoadingList.add(onUpdateLoading);
}
if (onClose != null) {
_onCloseList.add(onClose);
}
if (initialData != null && initialMutate != null) {
throw const MutationException("initialData and initialMutate set!");
}
if (initialData != null) {
_updateData(initialData());
_updateInitialized();
} else {
_initialMutateCallback = initialMutate;
}
}