QueryExceptionEvent enum Null safety

Categorizations of query failures for QueryException.

Constants

conflict → const QueryExceptionEvent

This event is used when the underlying PersistentStore reports that a unique constraint was violated.

Controllers interpret this exception to return a status code 409 by default.

const QueryExceptionEvent(0)
input → const QueryExceptionEvent

This event is used when the underlying PersistentStore reports an issue with the data used in a Query.

Controllers interpret this exception to return a status code 400 by default.

const QueryExceptionEvent(2)
transport → const QueryExceptionEvent

This event is used when the underlying PersistentStore cannot reach its database.

Controllers interpret this exception to return a status code 503 by default.

const QueryExceptionEvent(1)
values → const List<QueryExceptionEvent>

A constant List of the values in this enum, in order of their declaration.

const List<QueryExceptionEvent>

Properties

hashCode int
The hash code for this object. [...]
read-only, inherited
index int

The integer index of this enum.

final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() String
A string representation of this object. [...]
override

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited