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/*************************************************************************
*
* Copyright 2016 Realm Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**************************************************************************/
#ifndef REALM_ARRAY_BACKLINK_HPP
#define REALM_ARRAY_BACKLINK_HPP
#include <realm/cluster.hpp>
namespace realm {
class ArrayBacklink : public ArrayPayload, private Array {
public:
using Array::Array;
using Array::init_from_parent;
using Array::copy_on_write;
using Array::update_parent;
using Array::get_ref;
using Array::size;
static int64_t default_value(bool)
{
return 0;
}
void init_from_ref(ref_type ref) noexcept override
{
Array::init_from_ref(ref);
}
void set_parent(ArrayParent* parent, size_t ndx_in_parent) noexcept override
{
Array::set_parent(parent, ndx_in_parent);
}
void create()
{
Array::create(type_HasRefs);
}
void insert(size_t ndx, int64_t val)
{
Array::insert(ndx, val);
}
int64_t get(size_t ndx) const
{
return Array::get(ndx);
}
Mixed get_any(size_t ndx) const override
{
REALM_ASSERT(false);
return Mixed(get(ndx));
}
void add(int64_t val)
{
Array::add(val);
}
// nullify forward links corresponding to any backward links at index 'ndx'
void nullify_fwd_links(size_t ndx, CascadeState& state);
void add(size_t ndx, ObjKey key);
bool remove(size_t ndx, ObjKey key);
void erase(size_t ndx);
size_t get_backlink_count(size_t ndx) const;
ObjKey get_backlink(size_t ndx, size_t index) const;
void move(ArrayBacklink& dst, size_t ndx)
{
Array::move(dst, ndx);
}
void clear()
{
Array::truncate_and_destroy_children(0);
}
void verify() const;
};
}
#endif /* SRC_REALM_ARRAY_KEY_HPP_ */
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