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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "numericbase.h"
#include "multivalue.h"
#include "loadednumericvalue.h"
#include "changevector.h"
namespace search {
// forward declaration of class in enumstore.h
template <typename T>
class NumericEntryType;
class IntegerAttribute : public NumericAttribute
{
public:
~IntegerAttribute();
DECLARE_IDENTIFIABLE_ABSTRACT(IntegerAttribute);
bool update(DocId doc, largeint_t v) {
return AttributeVector::update(_changes, doc, NumericChangeData<largeint_t>(v));
}
template<typename Accessor>
bool append(DocId doc, Accessor & ac) {
return AttributeVector::append(_changes, doc, ac);
}
bool append(DocId doc, largeint_t v, int32_t weight) {
return AttributeVector::append(_changes, doc, NumericChangeData<largeint_t>(v), weight);
}
bool remove(DocId doc, largeint_t v, int32_t weight) {
return AttributeVector::remove(_changes, doc, NumericChangeData<largeint_t>(v), weight);
}
bool apply(DocId doc, const ArithmeticValueUpdate & op);
bool applyWeight(DocId doc, const FieldValue & fv, const ArithmeticValueUpdate & wAdjust) override;
uint32_t clearDoc(DocId doc) override;
protected:
IntegerAttribute(const vespalib::string & name, const Config & c);
typedef ChangeTemplate<NumericChangeData<largeint_t> > Change;
typedef ChangeVectorT< Change > ChangeVector;
ChangeVector _changes;
virtual MemoryUsage getChangeVectorMemoryUsage() const override;
private:
const char * getString(DocId doc, char * s, size_t sz) const override;
uint32_t get(DocId doc, vespalib::string * v, uint32_t sz) const override;
uint32_t get(DocId doc, const char ** v, uint32_t sz) const override;
uint32_t get(DocId doc, WeightedString * v, uint32_t sz) const override;
uint32_t get(DocId doc, WeightedConstChar * v, uint32_t sz) const override;
virtual largeint_t getIntFromEnum(EnumHandle e) const = 0;
};
template<typename T>
class IntegerAttributeTemplate : public IntegerAttribute
{
public:
typedef WeightedType<T> Weighted;
virtual uint32_t getAll(DocId doc, T * v, uint32_t sz) const = 0;
virtual uint32_t getAll(DocId doc, Weighted * v, uint32_t sz) const = 0;
protected:
typedef NumericEntryType<T> EnumEntryType;
typedef attribute::LoadedNumericValue<T> LoadedNumericValueT;
public:
typedef T BaseType;
typedef T LoadedValueType;
typedef SequentialReadModifyWriteInterface<LoadedNumericValueT> LoadedVector;
virtual uint32_t getRawValues(DocId doc, const multivalue::Value<T> * & values) const;
virtual uint32_t getRawValues(DocId doc, const multivalue::WeightedValue<T> * & values) const;
protected:
IntegerAttributeTemplate(const vespalib::string & name) :
IntegerAttribute(name, BasicType::fromType(T())),
_defaultValue(ChangeBase::UPDATE, 0, defaultValue())
{ }
IntegerAttributeTemplate(const vespalib::string & name, const Config & c) :
IntegerAttribute(name, c),
_defaultValue(ChangeBase::UPDATE, 0, defaultValue())
{
assert(c.basicType() == BasicType::fromType(T()));
}
IntegerAttributeTemplate(const vespalib::string & name,
const Config & c,
const BasicType &realType)
: IntegerAttribute(name, c),
_defaultValue(ChangeBase::UPDATE, 0, 0u)
{
assert(c.basicType() == realType);
(void) realType;
assert(BasicType::fromType(T()) == BasicType::INT8);
}
static T defaultValue() { return attribute::getUndefined<T>(); }
virtual bool findEnum(T v, EnumHandle & e) const = 0;
virtual void fillEnum(LoadedVector&) {}
virtual void fillValues(LoadedVector &) {}
virtual void fillPostings(LoadedVector &) {}
largeint_t getDefaultValue() const override { return defaultValue(); }
bool isUndefined(DocId doc) const override { return get(doc) == defaultValue(); }
Change _defaultValue;
private:
bool findEnum(const char *value, EnumHandle &e) const override;
virtual T get(DocId doc) const = 0;
virtual T getFromEnum(EnumHandle e) const = 0;
largeint_t getIntFromEnum(EnumHandle e) const override;
long onSerializeForAscendingSort(DocId doc, void * serTo, long available, const common::BlobConverter * bc) const override;
long onSerializeForDescendingSort(DocId doc, void * serTo, long available, const common::BlobConverter * bc) const override;
};
}
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