Entity class abstract

An entity which can be stored into an entity store.

Implemented types

• Comparable<Entity>

Constructors

Entity({String? oid})

Instantiates a new entity that is not stored in DB yet. *

Entity.be(String oid)

Instantiates an entity that will be passed to Storage.load for holding the data loaded from database. In short, this constructor instantiates an instance representing an entity stored in DB.

Properties

hashCode → int

The hash code for this object.

no setter, override

oid ↔ String

The OID.

getter/setter pair

otype → String

The object type. *

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

stored ↔ bool

Whether this entity has been stored into database.

getter/setter pair

Methods

compareTo(Entity e) → int

Compares this object to another object.

override

delete(Access access, {AccessOption? option}) → Future?

Deletes this entity.

getDBType(dynamic field) → String?

Returns the DB type of the given field, or null if no need to handle it specially.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

read(AccessReader reader, Map data, Iterable<String>? fields) → void

Reads the given JSON object into the data members of this entity. *

save(Access access, Iterable<String>? fields, [void beforeSave(Map data, Iterable<String>? fields)?]) → Future?

Saves this entity. *

toJson() → dynamic

By default, it returns oid when jsonized.

toString() → String

A string representation of this object.

override

write(AccessWriter writer, Map data, Iterable<String>? fields) → void

Writes this entity to a JSON object that can be serialized to

Operators

operator ==(Object o) → bool

The equality operator.

override