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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "btreenodestore.h"
#include <vespa/vespalib/datastore/compacting_buffers.h>
#include <vespa/vespalib/datastore/compaction_spec.h>
#include <vespa/vespalib/datastore/datastore.hpp>
namespace vespalib::btree {
template <typename EntryType>
void
BTreeNodeBufferType<EntryType>::initialize_reserved_entries(void *buffer, EntryCount reserved_entries)
{
ParentType::initialize_reserved_entries(buffer, reserved_entries);
EntryType *e = static_cast<EntryType *>(buffer);
for (size_t j = reserved_entries; j != 0; --j) {
e->freeze();
++e;
}
}
template <typename EntryType>
void
BTreeNodeBufferType<EntryType>::clean_hold(void *buffer, size_t offset, EntryCount num_entries, CleanContext)
{
EntryType *e = static_cast<EntryType *>(buffer) + offset;
for (size_t j = num_entries; j != 0; --j) {
e->cleanFrozen();
++e;
}
}
template <typename KeyT, typename DataT, typename AggrT,
size_t INTERNAL_SLOTS, size_t LEAF_SLOTS>
BTreeNodeStore<KeyT, DataT, AggrT, INTERNAL_SLOTS, LEAF_SLOTS>::
BTreeNodeStore()
: _store(),
_internalNodeType(MIN_BUFFER_ARRAYS, RefType::offsetSize()),
_leafNodeType(MIN_BUFFER_ARRAYS, RefType::offsetSize())
{
_store.addType(&_internalNodeType);
_store.addType(&_leafNodeType);
_store.init_primary_buffers();
_store.enableFreeLists();
}
template <typename KeyT, typename DataT, typename AggrT,
size_t INTERNAL_SLOTS, size_t LEAF_SLOTS>
BTreeNodeStore<KeyT, DataT, AggrT, INTERNAL_SLOTS, LEAF_SLOTS>::
~BTreeNodeStore()
{
_store.dropBuffers(); // Drop buffers before type handlers are dropped
}
template <typename KeyT, typename DataT, typename AggrT,
size_t INTERNAL_SLOTS, size_t LEAF_SLOTS>
std::unique_ptr<vespalib::datastore::CompactingBuffers>
BTreeNodeStore<KeyT, DataT, AggrT, INTERNAL_SLOTS, LEAF_SLOTS>::
start_compact_worst(const CompactionStrategy &compaction_strategy)
{
return _store.start_compact_worst_buffers(datastore::CompactionSpec(true, false), compaction_strategy);
}
}
#define VESPALIB_DATASTORE_INSTANTIATE_BUFFERTYPE_INTERNALNODE(K, A, S) \
template class BufferType<BTreeInternalNode<K, A, S>, \
FrozenBtreeNode<BTreeInternalNode<K, A, S>>>
#define VESPALIB_DATASTORE_INSTANTIATE_BUFFERTYPE_LEAFNODE(K, V, A, S) \
template class BufferType<BTreeLeafNode<K, V, A, S>, \
FrozenBtreeNode<BTreeLeafNode<K, V, A, S>>>
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