Migration class Realm

A Migration object is passed to you when you migrate your database from one version to another. It contains the properties for the Realm before and after the migration. After the migration is complete, newRealm will become the authoritative version of the file.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

newRealm → Realm

The Realm as it exists after the migration. Before the end of the callback, you need to make sure that all relevant data has been migrated from oldRealm into newRealm.

final

oldRealm → MigrationRealm

The Realm as it existed just before the migration. Since the models have changed, this Realm can only be accessed via the dynamic API.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

deleteType(String className) → bool

Deletes a type during a migration. All the data associated with the type, as well as its schema, will be deleted from the Realm.

findInNewRealm<T extends RealmObject>(RealmObject oldObject) → T?

Finds an object obtained from oldRealm in newRealm. This is useful when you are working with objects without primary keys and want to update some information about the object as part of the migration.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

renameProperty(String className, String oldPropertyName, String newPropertyName) → void

Renames a property during a migration.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited