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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 <vespa/fastos/fastos.h>
#include <vespa/document/datatype/datatype.h>
#include <vespa/document/datatype/numericdatatype.h>
#include <vespa/document/datatype/primitivedatatype.h>
#include <vespa/document/datatype/documenttype.h>
#include <vespa/document/datatype/weightedsetdatatype.h>
#include <vespa/document/fieldvalue/fieldvalues.h>
#include <vespa/vespalib/text/lowercase.h>
#include <stdexcept>
namespace document {
IMPLEMENT_IDENTIFIABLE_ABSTRACT(DataType, vespalib::Identifiable);
namespace {
NumericDataType BYTE_OBJ(DataType::T_BYTE);
NumericDataType SHORT_OBJ(DataType::T_SHORT);
NumericDataType INT_OBJ(DataType::T_INT);
NumericDataType LONG_OBJ(DataType::T_LONG);
NumericDataType FLOAT_OBJ(DataType::T_FLOAT);
NumericDataType DOUBLE_OBJ(DataType::T_DOUBLE);
PrimitiveDataType STRING_OBJ(DataType::T_STRING);
PrimitiveDataType RAW_OBJ(DataType::T_RAW);
DocumentType DOCUMENT_OBJ("document");
WeightedSetDataType TAG_OBJ(*DataType::STRING, true, true);
PrimitiveDataType URI_OBJ(DataType::T_URI);
PrimitiveDataType PREDICATE_OBJ(DataType::T_PREDICATE);
PrimitiveDataType TENSOR_OBJ(DataType::T_TENSOR);
} // namespace
const DataType *const DataType::BYTE(&BYTE_OBJ);
const DataType *const DataType::SHORT(&SHORT_OBJ);
const DataType *const DataType::INT(&INT_OBJ);
const DataType *const DataType::LONG(&LONG_OBJ);
const DataType *const DataType::FLOAT(&FLOAT_OBJ);
const DataType *const DataType::DOUBLE(&DOUBLE_OBJ);
const DataType *const DataType::STRING(&STRING_OBJ);
const DataType *const DataType::RAW(&RAW_OBJ);
const DocumentType *const DataType::DOCUMENT(&DOCUMENT_OBJ);
const DataType *const DataType::TAG(&TAG_OBJ);
const DataType *const DataType::URI(&URI_OBJ);
const DataType *const DataType::PREDICATE(&PREDICATE_OBJ);
const DataType *const DataType::TENSOR(&TENSOR_OBJ);
namespace {
class DataType2FieldValueId
{
public:
DataType2FieldValueId();
unsigned int getFieldValueId(unsigned int id) const {
return id < sizeof(_type2FieldValueId)/sizeof(_type2FieldValueId[0])
? _type2FieldValueId[id]
: 0;
}
private:
unsigned int _type2FieldValueId[DataType::MAX];
};
DataType2FieldValueId::DataType2FieldValueId()
{
for (size_t i(0); i < sizeof(_type2FieldValueId)/sizeof(_type2FieldValueId[0]); i++) {
_type2FieldValueId[i] = 0;
}
_type2FieldValueId[DataType::T_BYTE] = ByteFieldValue::classId;
_type2FieldValueId[DataType::T_SHORT] = ShortFieldValue::classId;
_type2FieldValueId[DataType::T_INT] = IntFieldValue::classId;
_type2FieldValueId[DataType::T_LONG] = LongFieldValue::classId;
_type2FieldValueId[DataType::T_FLOAT] = FloatFieldValue::classId;
_type2FieldValueId[DataType::T_DOUBLE] = DoubleFieldValue::classId;
_type2FieldValueId[DataType::T_STRING] = StringFieldValue::classId;
_type2FieldValueId[DataType::T_RAW] = RawFieldValue::classId;
_type2FieldValueId[DataType::T_URI] = StringFieldValue::classId;
_type2FieldValueId[DataType::T_PREDICATE] = PredicateFieldValue::classId;
_type2FieldValueId[DataType::T_TENSOR] = TensorFieldValue::classId;
}
DataType2FieldValueId _G_type2FieldValueId;
}
bool DataType::isValueType(const FieldValue & fv) const
{
if ((_dataTypeId >= 0) && _dataTypeId < MAX) {
const uint32_t cid(_G_type2FieldValueId.getFieldValueId(_dataTypeId));
if (cid != 0) {
return cid == fv.getClass().id();
}
}
return _dataTypeId == fv.getDataType()->getId();
}
std::vector<const DataType *>
DataType::getDefaultDataTypes()
{
std::vector<const DataType *> types;
types.push_back(BYTE);
types.push_back(SHORT);
types.push_back(INT);
types.push_back(LONG);
types.push_back(FLOAT);
types.push_back(DOUBLE);
types.push_back(STRING);
types.push_back(RAW);
types.push_back(DOCUMENT);
types.push_back(TAG);
types.push_back(URI);
types.push_back(PREDICATE);
types.push_back(TENSOR);
return types;
}
namespace {
// This should be equal to java implementation if name only has 7-bit
// ASCII characters. Probably screwed up otherwise, but generated ids
// should only be used in testing anyways. In production this will be
// set from the document manager config.
uint32_t crappyJavaStringHash(const vespalib::stringref & value) {
uint32_t h = 0;
for (uint32_t i = 0; i < value.size(); ++i) {
h = 31 * h + value[i];
}
return h;
}
int32_t createId(const vespalib::stringref & name)
{
if (name == "Tag") {
return DataType::T_TAG;
}
return crappyJavaStringHash(vespalib::LowerCase::convert(name));
}
} // anon namespace
DataType::DataType()
: _dataTypeId(-1),
_name("invalid")
{
}
DataType::DataType(const vespalib::stringref & name, int dataTypeId)
: _dataTypeId(dataTypeId),
_name(name)
{
}
DataType::DataType(const vespalib::stringref & name)
: _dataTypeId(createId(name)),
_name(name)
{
}
DataType::~DataType()
{
}
bool
DataType::operator==(const DataType& other) const
{
return _dataTypeId == other._dataTypeId && _name == other._name;
}
bool
DataType::operator<(const DataType& other) const
{
if (this == &other) return false;
return (_dataTypeId < other._dataTypeId);
}
FieldPath::UP
DataType::buildFieldPath(const vespalib::stringref & remainFieldName) const
{
// LOG(debug, "remainFieldName = %s, dataType=%s", remainFieldName.c_str(), getClass().name());
if ( !remainFieldName.empty() ) {
return onBuildFieldPath(remainFieldName);
}
return FieldPath::UP(new FieldPath());
}
} // document
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