com.intel.analytics.bigdl.nn.DynamicContainer.scala Maven / Gradle / Ivy
/*
* Copyright 2016 The BigDL Authors.
*
* 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.
*/
package com.intel.analytics.bigdl.nn
import com.intel.analytics.bigdl.nn.abstractnn.{AbstractModule, Activity}
import com.intel.analytics.bigdl.nn.ops.Operation
import com.intel.analytics.bigdl.tensor.TensorNumericMath.TensorNumeric
import com.intel.analytics.bigdl.utils.Util
import scala.reflect.ClassTag
/**
* DynamicContainer allow user to change its submodules after create it.
* @tparam A Input data type
* @tparam B Output data type
* @tparam T Numeric type. Only support float/double now
*/
abstract class DynamicContainer[A <: Activity : ClassTag, B <: Activity : ClassTag, T: ClassTag](
implicit ev: TensorNumeric[T]) extends Container[A, B, T] {
/**
* Add a sub-module to the contained `modules`
*
* @param module module to be add
* @return this container
*/
def add(module: AbstractModule[_ <: Activity, _ <: Activity, T]): this.type = {
require(!module.isInstanceOf[Operation[_, _, _]],
"Add operations to dynamic container is not allowed, as operations don't have backward. " +
"Operation can only be used in Graph")
validateInput[T](Seq(module))
modules += module.asInstanceOf[AbstractModule[Activity, Activity, T]]
checkDuplicate()
this
}
}