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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/persistence/spi/bucket.h>
#include <mutex>
#include <deque>
#include <atomic>
namespace storage::spi { struct PersistenceProvider; }
namespace search::bmcluster {
/*
* Class containing a queue of buckets where mutating feed operations
* have been performed, requiring service layer to ask for updated
* bucket info.
*/
class BucketInfoQueue
{
using PendingGetBucketInfo = std::pair<storage::spi::Bucket, storage::spi::PersistenceProvider*>;
std::mutex _mutex;
std::deque<PendingGetBucketInfo> _pending_get_bucket_infos;
std::atomic<uint32_t>& _errors;
public:
BucketInfoQueue(std::atomic<uint32_t>& errors);
~BucketInfoQueue();
void put_bucket(storage::spi::Bucket bucket, storage::spi::PersistenceProvider* provider)
{
std::lock_guard guard(_mutex);
_pending_get_bucket_infos.emplace_back(std::make_pair(std::move(bucket), provider));
}
void get_bucket_info_loop();
};
}
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