1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "messages.h"
#include <vespa/storageapi/message/persistence.h>
#include <vespa/storageapi/message/removelocation.h>
namespace document { class BucketIdFactory; }
namespace vespalib { class ISequencedTaskExecutor; }
namespace storage {
namespace spi {
struct PersistenceProvider;
class Context;
}
class PersistenceUtil;
class BucketOwnershipNotifier;
class MessageTracker;
/**
* Handle async operations that uses a sequenced executor.
* It is stateless and thread safe.
*/
class AsyncHandler {
using MessageTrackerUP = std::unique_ptr<MessageTracker>;
public:
AsyncHandler(const PersistenceUtil&, spi::PersistenceProvider&, BucketOwnershipNotifier &,
vespalib::ISequencedTaskExecutor & executor, const document::BucketIdFactory & bucketIdFactory);
MessageTrackerUP handlePut(api::PutCommand& cmd, MessageTrackerUP tracker) const;
MessageTrackerUP handleRemove(api::RemoveCommand& cmd, MessageTrackerUP tracker) const;
MessageTrackerUP handleUpdate(api::UpdateCommand& cmd, MessageTrackerUP tracker) const;
MessageTrackerUP handleRunTask(RunTaskCommand & cmd, MessageTrackerUP tracker) const;
MessageTrackerUP handleSetBucketState(api::SetBucketStateCommand& cmd, MessageTrackerUP tracker) const;
MessageTrackerUP handleDeleteBucket(api::DeleteBucketCommand& cmd, MessageTrackerUP tracker) const;
MessageTrackerUP handleCreateBucket(api::CreateBucketCommand& cmd, MessageTrackerUP tracker) const;
MessageTrackerUP handleRemoveLocation(api::RemoveLocationCommand& cmd, MessageTrackerUP tracker) const;
static bool is_async_unconditional_message(const api::StorageMessage & cmd) noexcept;
private:
bool checkProviderBucketInfoMatches(const spi::Bucket&, const api::BucketInfo&) const;
static bool tasConditionExists(const api::TestAndSetCommand & cmd);
bool tasConditionMatches(const api::TestAndSetCommand & cmd, MessageTracker & tracker,
spi::Context & context, bool missingDocumentImpliesMatch = false) const;
const PersistenceUtil & _env;
spi::PersistenceProvider & _spi;
BucketOwnershipNotifier & _bucketOwnershipNotifier;
vespalib::ISequencedTaskExecutor & _sequencedExecutor;
const document::BucketIdFactory & _bucketIdFactory;
};
} // storage
|
