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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "document_field_retriever.h"
#include <vespa/document/fieldvalue/arrayfieldvalue.h>
#include <vespa/document/fieldvalue/weightedsetfieldvalue.h>
#include <vespa/document/fieldvalue/tensorfieldvalue.h>
#include <vespa/searchcommon/attribute/attributecontent.h>
#include <vespa/searchlib/tensor/tensor_attribute.h>
#include <vespa/eval/tensor/tensor.h>
#include <vespa/vespalib/util/exceptions.h>
#include <vespa/log/log.h>
LOG_SETUP(".proton.attribute.document_field_retriever");
using document::ArrayFieldValue;
using document::Document;
using document::Field;
using document::FieldValue;
using document::TensorFieldValue;
using document::WeightedSetFieldValue;
using search::DocumentIdT;
using search::attribute::AttributeContent;
using search::attribute::BasicType;
using search::attribute::CollectionType;
using search::attribute::IAttributeVector;
using search::attribute::WeightedType;
using search::tensor::TensorAttribute;
using vespalib::IllegalStateException;
namespace proton {
namespace {
template <typename T>
void
setValue(DocumentIdT lid,
Document &doc,
const vespalib::string &fieldName,
const IAttributeVector &attr)
{
switch (attr.getCollectionType()) {
case CollectionType::SINGLE:
{
if ( ! attr.isUndefined(lid) ) {
AttributeContent<T> content;
content.fill(attr, lid);
doc.set(fieldName, content[0]);
} else {
doc.remove(fieldName);
}
break;
}
case CollectionType::ARRAY:
{
AttributeContent<T> content;
content.fill(attr, lid);
Field f = doc.getField(fieldName);
if (!doc.getValue(f) && content.size() == 0) {
break;
}
FieldValue::UP fv = f.getDataType().createFieldValue();
if (fv.get() && fv->getClass().id() != ArrayFieldValue::classId) {
throw IllegalStateException("Field " + fieldName + " does not contain an array.", VESPA_STRLOC);
}
ArrayFieldValue &array = static_cast<ArrayFieldValue &>(*fv.get());
array.resize(content.size());
for (uint32_t j(0); j < content.size(); ++j) {
array[j] = content[j];
}
doc.setValue(f, *fv);
break;
}
case CollectionType::WSET:
{
AttributeContent<WeightedType<T> > content;
content.fill(attr, lid);
Field f = doc.getField(fieldName);
if (!doc.getValue(f) && content.size() == 0) {
break;
}
FieldValue::UP fv = f.getDataType().createFieldValue();
if (fv.get() && fv->getClass().id() != WeightedSetFieldValue::classId) {
throw IllegalStateException("Field " + fieldName + " does not contain a wset.", VESPA_STRLOC);
}
WeightedSetFieldValue & wset(static_cast<WeightedSetFieldValue &>(*fv.get()));
wset.resize(content.size());
auto it(wset.begin());
for (uint32_t j(0); j < content.size(); ++j, ++it) {
*it->first = content[j].getValue();
*it->second = content[j].getWeight();
}
doc.setValue(f, *fv);
break;
}
default:
LOG(warning, "Unknown attribute collection type in attribute.");
break;
}
}
}
void
DocumentFieldRetriever::populate(DocumentIdT lid,
Document &doc,
const vespalib::string &fieldName,
const IAttributeVector &attr,
bool isIndexField)
{
switch (attr.getBasicType()) {
case BasicType::UINT1:
case BasicType::UINT2:
case BasicType::UINT4:
case BasicType::INT8:
case BasicType::INT16:
case BasicType::INT32:
case BasicType::INT64:
setValue<IAttributeVector::largeint_t>(
lid, doc, fieldName, attr);
break;
case BasicType::FLOAT:
case BasicType::DOUBLE:
setValue<double>(lid, doc, fieldName, attr);
break;
case BasicType::STRING:
// If it is a stringfield we also need to check if
// it is an index field. In that case we shall
// keep the original in order to preserve annotations.
if (isIndexField) {
break;
}
setValue<const char *>(lid, doc, fieldName, attr);
break;
case BasicType::PREDICATE:
// Predicate attribute doesn't store documents, it only indexes them.
break;
case BasicType::TENSOR:
// Tensor attribute is not authorative. Partial updates must update
// document store.
break;
case BasicType::REFERENCE:
// Reference attribute doesn't store full document id.
break;
default:
LOG(warning, "Unknown attribute data type in attribute.");
}
}
} // namespace proton
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