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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 "documentstoreadapter.h"
#include <vespa/searchsummary/docsummary/summaryfieldconverter.h>
#include <vespa/document/fieldvalue/stringfieldvalue.h>
#include <vespa/eval/tensor/tensor.h>
#include <vespa/eval/tensor/serialization/typed_binary_format.h>
#include <vespa/vespalib/objects/nbostream.h>
#include <vespa/document/fieldvalue/tensorfieldvalue.h>
#include <vespa/log/log.h>
LOG_SETUP(".proton.docsummary.documentstoreadapter");
using namespace document;
using namespace search::docsummary;
using vespalib::tensor::Tensor;
namespace proton {
namespace {
const vespalib::string DOCUMENT_ID_FIELD("documentid");
}
bool
DocumentStoreAdapter::writeStringField(const char * buf,
uint32_t buflen,
ResType type)
{
switch (type) {
case RES_STRING:
return _resultPacker.AddString(buf, buflen);
case RES_LONG_STRING:
case RES_XMLSTRING:
case RES_JSONSTRING:
return _resultPacker.AddLongString(buf, buflen);
default:
break;
}
return false;
}
bool
DocumentStoreAdapter::writeField(const FieldValue &value, ResType type)
{
switch (type) {
case RES_BYTE:
return _resultPacker.AddByte(value.getAsInt());
case RES_SHORT:
return _resultPacker.AddShort(value.getAsInt());
case RES_INT:
return _resultPacker.AddInteger(value.getAsInt());
case RES_INT64:
return _resultPacker.AddInt64(value.getAsLong());
case RES_FLOAT:
return _resultPacker.AddFloat(value.getAsFloat());
case RES_DOUBLE:
return _resultPacker.AddDouble(value.getAsDouble());
case RES_STRING:
case RES_LONG_STRING:
case RES_XMLSTRING:
case RES_JSONSTRING:
{
if (value.getClass().inherits(LiteralFieldValueB::classId)) {
const LiteralFieldValueB & lfv =
static_cast<const LiteralFieldValueB &>(value);
vespalib::stringref s = lfv.getValueRef();
return writeStringField(s.c_str(), s.size(), type);
} else {
vespalib::string s = value.getAsString();
return writeStringField(s.c_str(), s.size(), type);
}
}
case RES_DATA:
{
std::pair<const char *, size_t> buf = value.getAsRaw();
return _resultPacker.AddData(buf.first, buf.second);
}
case RES_LONG_DATA:
{
std::pair<const char *, size_t> buf = value.getAsRaw();
return _resultPacker.AddLongData(buf.first, buf.second);
}
case RES_TENSOR:
{
vespalib::nbostream serialized;
if (value.getClass().inherits(TensorFieldValue::classId)) {
const TensorFieldValue &tvalue = static_cast<const TensorFieldValue &>(value);
const std::unique_ptr<Tensor> &tensor = tvalue.getAsTensorPtr();
if (tensor) {
vespalib::tensor::TypedBinaryFormat::serialize(serialized, *tensor);
}
}
return _resultPacker.AddSerializedTensor(serialized.peek(), serialized.size());
}
default:
LOG(warning,
"Unknown docsum field type: %s. Add empty field",
ResultConfig::GetResTypeName(type));
return _resultPacker.AddEmpty();
}
return false;
}
void
DocumentStoreAdapter::convertFromSearchDoc(Document &doc, uint32_t docId)
{
for (size_t i = 0; i < _resultClass->GetNumEntries(); ++i) {
const ResConfigEntry * entry = _resultClass->GetEntry(i);
const vespalib::string fieldName(entry->_bindname);
bool markup = _markupFields.find(fieldName) != _markupFields.end();
if (fieldName == DOCUMENT_ID_FIELD) {
StringFieldValue value(doc.getId().toString());
if (!writeField(value, entry->_type)) {
LOG(warning, "Error while writing field '%s' for docId %u",
fieldName.c_str(), docId);
}
continue;
}
const Field *field = _fieldCache->getField(i);
if (!field) {
LOG(debug,
"Did not find field '%s' in the document "
"for docId %u. Adding empty field",
fieldName.c_str(), docId);
_resultPacker.AddEmpty();
continue;
}
FieldValue::UP fieldValue = doc.getValue(*field);
if (fieldValue.get() == NULL) {
LOG(spam,
"No field value for field '%s' in the document "
"for docId %u. Adding empty field",
fieldName.c_str(), docId);
_resultPacker.AddEmpty();
continue;
}
LOG(spam,
"writeField(%s): value(%s), type(%d)",
fieldName.c_str(), fieldValue->toString().c_str(),
entry->_type);
FieldValue::UP convertedFieldValue =
SummaryFieldConverter::convertSummaryField(markup, *fieldValue);
if (convertedFieldValue.get() != NULL) {
if (!writeField(*convertedFieldValue, entry->_type)) {
LOG(warning,
"Error while writing field '%s' for docId %u",
fieldName.c_str(), docId);
}
} else {
LOG(spam,
"No converted field value for field '%s' "
" in the document "
"for docId %u. Adding empty field",
fieldName.c_str(), docId);
_resultPacker.AddEmpty();
}
}
}
DocumentStoreAdapter::
DocumentStoreAdapter(const search::IDocumentStore & docStore,
const DocumentTypeRepo &repo,
const ResultConfig & resultConfig,
const vespalib::string & resultClassName,
const FieldCache::CSP & fieldCache,
const std::set<vespalib::string> &markupFields)
: _docStore(docStore),
_repo(repo),
_resultConfig(resultConfig),
_resultClass(resultConfig.
LookupResultClass(resultConfig.
LookupResultClassId(resultClassName.
c_str()))),
_resultPacker(&_resultConfig),
_fieldCache(fieldCache),
_markupFields(markupFields)
{
}
DocumentStoreAdapter::~DocumentStoreAdapter() {}
DocsumStoreValue
DocumentStoreAdapter::getMappedDocsum(uint32_t docId)
{
if (!_resultPacker.Init(getSummaryClassId())) {
LOG(warning,
"Error during init of result class '%s' with class id %u",
_resultClass->GetClassName(), getSummaryClassId());
return DocsumStoreValue();
}
Document::UP document = _docStore.read(docId, _repo);
if (document.get() == NULL) {
LOG(debug,
"Did not find summary document for docId %u. "
"Returning empty docsum",
docId);
return DocsumStoreValue();
}
LOG(spam,
"getMappedDocSum(%u): document={\n%s\n}",
docId,
document->toString(true).c_str());
convertFromSearchDoc(*document, docId);
const char * buf;
uint32_t buflen;
if (!_resultPacker.GetDocsumBlob(&buf, &buflen)) {
LOG(warning,
"Error while getting the docsum blob for docId %u. "
"Returning empty docsum",
docId);
return DocsumStoreValue();
}
return DocsumStoreValue(buf, buflen);
}
} // namespace proton
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