deeplearning4j/deeplearning4j

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 *  * This program and the accompanying materials are made available under the
 *  * terms of the Apache License, Version 2.0 which is available at
 *  * https://www.apache.org/licenses/LICENSE-2.0.
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 *  *  information regarding copyright ownership.
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package org.nd4j.samediff.frameworkimport.tensorflow.rule.tensor

import org.nd4j.ir.OpNamespace
import org.nd4j.ir.TensorNamespace
import org.nd4j.samediff.frameworkimport.findOp
import org.nd4j.samediff.frameworkimport.opdefs.OpDescriptorLoaderHolder
import org.nd4j.samediff.frameworkimport.rule.MappingRule
import org.nd4j.samediff.frameworkimport.rule.tensor.MultiInputIndexMappingRule
import org.nd4j.samediff.frameworkimport.tensorflow.ir.TensorflowIRTensor
import org.tensorflow.framework.*

@MappingRule("tensorflow","multiinputindex","tensor")
class TensorflowMultiInputIndexMappingRule(mappingNamesToPerform: MutableMap<String, String>,
                         transformerArgs: Map<String, List<OpNamespace.ArgDescriptor>> = emptyMap()):
    MultiInputIndexMappingRule<GraphDef, OpDef, NodeDef, OpDef.AttrDef, AttrValue, TensorProto, DataType>(mappingNamesToPerform = mappingNamesToPerform, transformerArgs = transformerArgs) {



    override fun createTensorProto(input: TensorProto): TensorNamespace.TensorProto {
        return TensorflowIRTensor(input).toArgTensor()
    }


    override fun isInputTensorName(inputName: String): Boolean {
        val tfOp = OpDescriptorLoaderHolder.listForFramework<OpDef>("tensorflow")[mappingProcess!!.inputFrameworkOpName()]!!

        return tfOp.inputArgList.map { input -> input.name }.contains(inputName)
    }

    override fun isOutputTensorName(outputName: String): Boolean {
        val nd4jOpDescriptor =  OpDescriptorLoaderHolder.nd4jOpDescriptor.findOp(mappingProcess!!.opName())
        return nd4jOpDescriptor.argDescriptorList.filter { inputDescriptor -> inputDescriptor.argType == OpNamespace.ArgDescriptor.ArgType.INPUT_TENSOR }
            .map {inputDescriptor -> inputDescriptor.name }.contains(outputName)
    }
}