blob: 1121c9fd9a64f30a90b2de8a7d183a5bb73a045e (
plain) (
blame)
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "iclusterstatechangedhandler.h"
#include "ibucketstatechangednotifier.h"
#include <vespa/searchcore/proton/documentmetastore/i_bucket_handler.h>
#include <vespa/searchcore/proton/persistenceengine/resulthandler.h>
#include <vespa/vespalib/util/executor.h>
namespace proton {
class IBucketStateChangedhandler;
/**
* Class handling bucket operations in IPersistenceHandler that are not persisted
* in the transaction log for a document database.
*/
class BucketHandler : public IClusterStateChangedHandler,
public IBucketStateChangedNotifier
{
private:
vespalib::Executor &_executor;
documentmetastore::IBucketHandler *_ready;
std::vector<IBucketStateChangedHandler *> _changedHandlers;
bool _nodeUp;
bool _nodeMaintenance;
void performSetCurrentState(document::BucketId bucketId,
storage::spi::BucketInfo::ActiveState newState,
IGenericResultHandler *resultHandler);
void performPopulateActiveBuckets(document::BucketId::List buckets,
IGenericResultHandler *resultHandler);
/**
* Deactivate all active buckets when this node transitions from
* up to down in cluster state. Called by document db executor thread.
*/
void deactivateAllActiveBuckets();
public:
/**
* Create a new bucket handler.
*
* @param executor The executor in which to run all tasks.
*/
explicit BucketHandler(vespalib::Executor &executor);
~BucketHandler() override;
void setReadyBucketHandler(documentmetastore::IBucketHandler &ready);
/**
* Implements the bucket aspect of IPersistenceHandler.
*/
void handleListBuckets(IBucketIdListResultHandler &resultHandler);
void handleSetCurrentState(const document::BucketId &bucketId,
storage::spi::BucketInfo::ActiveState newState,
std::shared_ptr<IGenericResultHandler> resultHandler);
void handleGetBucketInfo(const storage::spi::Bucket &bucket,
IBucketInfoResultHandler &resultHandler);
void handleListActiveBuckets(IBucketIdListResultHandler &resultHandler);
void handlePopulateActiveBuckets(document::BucketId::List buckets,
IGenericResultHandler &resultHandler);
bool hasBucket(const storage::spi::Bucket &bucket);
// Implements IClusterStateChangedHandler
void notifyClusterStateChanged(const std::shared_ptr<IBucketStateCalculator> &newCalc) override;
// Implement IBucketStateChangedNotifier
void addBucketStateChangedHandler(IBucketStateChangedHandler *handler) override;
void removeBucketStateChangedHandler(IBucketStateChangedHandler *handler) override;
};
} // namespace proton
|
