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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 <vector>
#include <algorithm>
#include <memory>
#include "dynamicdatavalue.h"
namespace vespalib
{
class SimpleDynamicData : public DynamicDataValue
{
private:
struct DataUnit {
uint32_t id;
Value *v;
DataUnit(uint32_t id_, Value *v_) : id(id_), v(v_) {}
};
typedef std::vector<DataUnit> DataUnits;
DataUnits _values;
virtual bool setValueIfExisting(uint32_t id, const Value& v) {
for (DataUnits::iterator it = _values.begin(); it != _values.end(); ++it) {
if (it->id == id) {
delete it->v;
it->v = v.clone();
return true;
}
}
return false;
}
virtual void addNewValue(uint32_t id, const Value& v) {
_values.push_back(DataUnit(id, v.clone()));
}
void swap(SimpleDynamicData& other) {
std::swap(_values, other._values);
}
public:
virtual ~SimpleDynamicData() {
// we own contained data, must delete it
for (DataUnits::iterator it = _values.begin(); it != _values.end(); ++it) {
delete it->v;
}
}
virtual bool hasValue(uint32_t id) const {
for (DataUnits::const_iterator it = _values.begin(); it != _values.end(); ++it) {
if (it->id == id) return true;
}
return false;
}
virtual void deleteValue(uint32_t id) {
for (DataUnits::iterator it = _values.begin(); it != _values.end(); ++it) {
if (it->id == id) {
delete it->v;
_values.erase(it);
return;
}
}
}
virtual const Value& getValue(uint32_t id) const {
for (DataUnits::const_iterator it = _values.begin(); it != _values.end(); ++it) {
if (it->id == id) {
return *(it->v);
}
}
throw IllegalArgumentException("id not found");
}
virtual Value *getValueRef(uint32_t id) const {
for (DataUnits::const_iterator it = _values.begin(); it != _values.end(); ++it) {
if (it->id == id) {
return it->v;
}
}
return NULL;
}
virtual void visitValues(ValueReceiverI& visitor) const {
for (DataUnits::const_iterator it = _values.begin(); it != _values.end(); ++it) {
visitor(it->id, *(it->v));
}
}
SimpleDynamicData() : _values() {}
SimpleDynamicData(const SimpleDynamicData& other) :
DynamicDataValue(),
_values()
{
for (DataUnits::const_iterator it = other._values.begin();
it != other._values.end();
++it)
{
addNewValue(it->id, *(it->v));
}
}
SimpleDynamicData& operator= (const SimpleDynamicData& other) {
SimpleDynamicData tmp(other);
swap(tmp);
return *this;
}
virtual SimpleDynamicData *clone() const {
SimpleDynamicData *ret = new SimpleDynamicData(*this);
return ret;
}
};
} // namespace vespalib
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