tff.FederatedType

An implementation of tff.Type representing federated types in TFF.

Inherits From: Type

Used in the notebooks

Used in the tutorials

member An instance of tff.Type (or something convertible to it) that represents the type of the member components of each value of this federated type.
placement The specification of placement that the member components of this federated type are hosted on. Must be either a placement literal such as tff.SERVER or tff.CLIENTS to refer to a globally defined placement, or a placement label to refer to a placement defined in other parts of a type signature. Specifying placement labels is not implemented yet.
all_equal A bool value that indicates whether all members of the federated type are equal (True), or are allowed to differ (False). If all_equal is None, the value is selected as the default for the placement, e.g., True for tff.SERVER and False for tff.CLIENTS.

all_equal

member

placement

Methods

check_abstract

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Check that this is a tff.AbstractType.

check_assignable_from

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Raises if values of source_type cannot be cast to this type.

check_equivalent_to

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Raises if values of 'other' cannot be cast to and from this type.

check_federated

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Check that this is a tff.FederatedType.

check_function

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Check that this is a tff.FunctionType.

check_placement

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Check that this is a tff.PlacementType.

check_sequence

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Check that this is a tff.SequenceType.

check_struct

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Check that this is a tff.StructType.

check_struct_with_python

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Check that this is a tff.StructWithPythonType.

check_tensor

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Check that this is a tff.TensorType.

children

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Returns a generator yielding immediate child types.

compact_representation

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Returns the compact string representation of this type.

formatted_representation

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Returns the formatted string representation of this type.

is_abstract

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Returns whether or not this type is a tff.AbstractType.

is_assignable_from

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Returns whether values of source_type can be cast to this type.

is_equivalent_to

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Returns whether values of other can be cast to and from this type.

is_federated

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Returns whether or not this type is a tff.FederatedType.

is_function

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Returns whether or not this type is a tff.FunctionType.

is_placement

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Returns whether or not this type is a tff.PlacementType.

is_sequence

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Returns whether or not this type is a tff.SequenceType.

is_struct

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Returns whether or not this type is a tff.StructType.

is_struct_with_python

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Returns whether or not this type is a tff.StructWithPythonType.

is_tensor

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Returns whether or not this type is a tff.TensorType.

__eq__

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Determines whether two type definitions are identical.

Note that this notion of equality is stronger than equivalence. Two types with equivalent definitions may not be identical, e.g., if they represent templates with differently named type variables in their definitions.

Args
other The other type to compare against.

Returns
True iff type definitions are syntatically identical (as defined above), or False otherwise.

Raises
NotImplementedError If not implemented in the derived class.

__ne__

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Return self!=value.