org.nd4j.linalg.api.ops.impl.shape.tensorops.TensorArrayRead Maven / Gradle / Ivy
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* * terms of the Apache License, Version 2.0 which is available at
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package org.nd4j.linalg.api.ops.impl.shape.tensorops;
import onnx.Onnx;
import org.nd4j.autodiff.functions.DifferentialFunction;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.imports.graphmapper.tf.TFGraphMapper;
import org.nd4j.linalg.api.buffer.DataType;
import org.tensorflow.framework.AttrValue;
import org.tensorflow.framework.GraphDef;
import org.tensorflow.framework.NodeDef;
import java.util.Collections;
import java.util.List;
import java.util.Map;
public class TensorArrayRead extends BaseTensorOp {
protected DataType importDataType;
public TensorArrayRead(String name, SameDiff sameDiff, SDVariable[] args){
super(name, sameDiff, args);
this.importDataType = args[0].dataType();
}
public TensorArrayRead(SameDiff sameDiff, SDVariable[] args){
super(null, sameDiff, args);
this.importDataType = args[0].dataType();
}
public TensorArrayRead(){}
@Override
public String[] tensorflowNames() {
return new String[]{"TensorArrayRead", "TensorArrayReadV2", "TensorArrayReadV3"};
}
@Override
public String opName() {
return "read_list";
}
@Override
public void initFromOnnx(Onnx.NodeProto node, SameDiff initWith, Map attributesForNode, Onnx.GraphProto graph) {
}
@Override
public void initFromTensorFlow(NodeDef nodeDef, SameDiff initWith, Map attributesForNode, GraphDef graph) {
super.initFromTensorFlow(nodeDef, initWith, attributesForNode, graph);
this.importDataType = TFGraphMapper.convertType(attributesForNode.get("dtype").getType());
}
@Override
public List calculateOutputDataTypes(List inputDataType) {
//Same output type as the TensorArray - which is defined by input 0
DataType dt = null;
if(importDataType != null) {
dt = importDataType;
} else {
for(int i = 0; i < args().length; i++) {
SDVariable tArr = arg(i);
DifferentialFunction op = sameDiff.getVariableOutputOp(tArr.name());
if(op instanceof TensorArray) {
TensorArray t3 = (TensorArray) op;
dt = t3.getTensorArrayDataType();
break;
}
}
}
return Collections.singletonList(dt);
}
}