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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "tensorfieldvalue.h"
#include <vespa/eval/tensor/tensor.h>
#include <ostream>
using vespalib::tensor::Tensor;
namespace document {
TensorFieldValue::TensorFieldValue()
: FieldValue(),
_tensor(),
_altered(true)
{
}
TensorFieldValue::TensorFieldValue(const TensorFieldValue &rhs)
: FieldValue(),
_tensor(),
_altered(true)
{
if (rhs._tensor) {
_tensor = rhs._tensor->clone();
}
}
TensorFieldValue::TensorFieldValue(TensorFieldValue &&rhs)
: FieldValue(),
_tensor(),
_altered(true)
{
_tensor = std::move(rhs._tensor);
}
TensorFieldValue::~TensorFieldValue()
{
}
TensorFieldValue &
TensorFieldValue::operator=(const TensorFieldValue &rhs)
{
if (this != &rhs) {
if (rhs._tensor) {
_tensor = rhs._tensor->clone();
} else {
_tensor.reset();
}
_altered = true;
}
return *this;
}
TensorFieldValue &
TensorFieldValue::operator=(std::unique_ptr<Tensor> rhs)
{
_tensor = std::move(rhs);
_altered = true;
return *this;
}
void
TensorFieldValue::accept(FieldValueVisitor &visitor)
{
visitor.visit(*this);
}
void
TensorFieldValue::accept(ConstFieldValueVisitor &visitor) const
{
visitor.visit(*this);
}
const DataType *
TensorFieldValue::getDataType() const
{
return DataType::TENSOR;
}
bool
TensorFieldValue::hasChanged() const
{
return _altered;
}
TensorFieldValue*
TensorFieldValue::clone() const
{
return new TensorFieldValue(*this);
}
void
TensorFieldValue::print(std::ostream& out, bool verbose,
const std::string& indent) const
{
(void) verbose;
(void) indent;
out << "{TensorFieldValue::print not yet implemented}";
}
void
TensorFieldValue::printXml(XmlOutputStream& out) const
{
out << "{TensorFieldValue::printXml not yet implemented}";
}
FieldValue &
TensorFieldValue::assign(const FieldValue &value)
{
const TensorFieldValue *rhs =
Identifiable::cast<const TensorFieldValue *>(&value);
if (rhs != nullptr) {
*this = *rhs;
} else {
return FieldValue::assign(value);
}
return *this;
}
void
TensorFieldValue::assignDeserialized(std::unique_ptr<Tensor> rhs)
{
_tensor = std::move(rhs);
_altered = false; // Serialized form already exists
}
int
TensorFieldValue::compare(const FieldValue &other) const
{
if (this == &other) {
return 0; // same identity
}
int diff = FieldValue::compare(other);
if (diff != 0) {
return diff; // field type mismatch
}
const TensorFieldValue & rhs(static_cast<const TensorFieldValue &>(other));
if (!_tensor) {
return (rhs._tensor ? -1 : 0);
}
if (!rhs._tensor) {
return 1;
}
if (_tensor->equals(*rhs._tensor)) {
return 0;
}
assert(_tensor.get() != rhs._tensor.get());
// XXX: Wrong, compares identity of tensors instead of values
// Note: sorting can be dangerous due to this.
return ((_tensor.get() < rhs._tensor.get()) ? -1 : 1);
}
IMPLEMENT_IDENTIFIABLE(TensorFieldValue, FieldValue);
} // document
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