# Copyright 2020 LMNT, Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================


class WeightConfig:
  __slots__ = ['initializer', 'constraint', 'transform']

  def __init__(self, initializer=None, constraint=None, transform=None):
    self.initializer = initializer
    self.constraint = constraint
    self.transform = transform

  def override(self, initializer, constraint, transform):
    if initializer is not None:
      self.initializer = initializer
    if constraint is not None:
      self.constraint = constraint
    if transform is not None:
      self.transform = transform
    return self
