Managers

class deker.managers.ArrayManager(collection, array_adapter)

Bases: SelfLoggerMixin, DataManager

Manager for Arrays.

Parameters:

• collection (Collection)

• array_adapter (BaseArrayAdapter)

create(primary_attributes=None, custom_attributes=None, id_=None)

Create array in collection.

Parameters:

• primary_attributes (dict | None) – Array primary attributes

• custom_attributes (dict | None) – Array custom attributes

• id – Array unique UUID string

• id_ (str | None)

Return type:

Array

class deker.managers.DataManager(collection, array_adapter, varray_adapter=None)

Bases: BaseManager

Common data manager.

Its behavior depends on the type of Collection (Array/Varrary)

Parameters:

• collection (Collection)

• array_adapter (BaseArrayAdapter)

• varray_adapter (BaseVArrayAdapter | None)

create(primary_attributes=None, custom_attributes=None, id_=None)

Create array or varray.

Parameters:

• primary_attributes (dict | None) – primary attributes

• custom_attributes (dict | None) – custom attributes

• id – unique UUID string

• id_ (str | None)

Return type:

Array | VArray

class deker.managers.FilteredManager(collection, array_adapter, varray_adapter, schema, filters)

Bases: SelfLoggerMixin, BaseAbstractManager

Manager for Collection contents filtering.

Parameters:

• collection (Collection)

• array_adapter (BaseArrayAdapter)

• varray_adapter (BaseVArrayAdapter)

• schema (BaseArraysSchema)

• filters (dict)

first()

Return first array in the filter.

Return type:

Array | VArray | None

last()

Return last array in the filter.

Return type:

Array | VArray | None

class deker.managers.VArrayManager(collection, array_adapter, varray_adapter)

Bases: SelfLoggerMixin, DataManager

Manager for VArrays.

Parameters:

• collection (Collection)

• array_adapter (BaseArrayAdapter)

• varray_adapter (BaseVArrayAdapter)

create(primary_attributes=None, custom_attributes=None, id_=None)

Create varray in collection.

Parameters:

• primary_attributes (dict | None) – VArray primary attributes

• custom_attributes (dict | None) – VArray custom attributes

• id – VArray unique UUID string

• id_ (str | None)

Return type:

VArray