Class BasicTransactionLog<TKey, TValue>

Inheritance
object
BasicTransactionLog<TKey, TValue>
Implements
ITransactionLog<TKey, TValue>
Inherited Members
Namespace: Tenray.ZoneTree.Transactional
Assembly: ZoneTree.dll
Syntax
public sealed class BasicTransactionLog<TKey, TValue> : ITransactionLog<TKey, TValue>, IDisposable
Type Parameters
Name Description
TKey
TValue

Constructors

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BasicTransactionLog(ZoneTreeOptions<TKey, TValue>)

Declaration
public BasicTransactionLog(ZoneTreeOptions<TKey, TValue> options)
Parameters
Type Name Description
ZoneTreeOptions<TKey, TValue> options

Properties

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CompactionThreshold

The total amount of transactions to be kept in memory.

Declaration
public int CompactionThreshold { get; set; }
Property Value
Type Description
int
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TransactionCount

Transaction count in the memory.

Declaration
public int TransactionCount { get; }
Property Value
Type Description
int
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TransactionIds

Return all transaction ids that are available in memory.

Declaration
public IReadOnlyList<long> TransactionIds { get; }
Property Value
Type Description
IReadOnlyList<long>
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UncommittedTransactionIds

Returns all uncommitted transaction ids.

Declaration
public IReadOnlyList<long> UncommittedTransactionIds { get; }
Property Value
Type Description
IReadOnlyList<long>

Methods

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AddDependency(long, long)

Declaration
public void AddDependency(long src, long dest)
Parameters
Type Name Description
long src
long dest
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AddHistoryRecord(long, TKey, CombinedValue<TValue, long>)

Declaration
public void AddHistoryRecord(long transactionId, TKey key, CombinedValue<TValue, long> combinedValue)
Parameters
Type Name Description
long transactionId
TKey key
CombinedValue<TValue, long> combinedValue
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AddOrUpdateReadWriteStamp(in TKey, in ReadWriteStamp)

Declaration
public bool AddOrUpdateReadWriteStamp(in TKey key, in ReadWriteStamp readWriteStamp)
Parameters
Type Name Description
TKey key
ReadWriteStamp readWriteStamp
Returns
Type Description
bool
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CompactTransactionLog()

Declaration
public void CompactTransactionLog()
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Dispose()

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

Declaration
public void Dispose()
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GetDependencyList(long)

Declaration
public IReadOnlyList<long> GetDependencyList(long transactionId)
Parameters
Type Name Description
long transactionId
Returns
Type Description
IReadOnlyList<long>
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GetHistory(long)

Declaration
public IDictionary<TKey, CombinedValue<TValue, long>> GetHistory(long transactionId)
Parameters
Type Name Description
long transactionId
Returns
Type Description
IDictionary<TKey, CombinedValue<TValue, long>>
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GetNextTransactionId()

Declaration
public long GetNextTransactionId()
Returns
Type Description
long
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GetTransactionMeta(long)

Declaration
public TransactionMeta GetTransactionMeta(long transactionId)
Parameters
Type Name Description
long transactionId
Returns
Type Description
TransactionMeta
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GetTransactionState(long)

Declaration
public TransactionState GetTransactionState(long transactionId)
Parameters
Type Name Description
long transactionId
Returns
Type Description
TransactionState
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GetUncommittedTransactionIdsBefore(DateTime)

Retrieves all uncommitted transaction ids started before given date-time. This method can be used to gather stale uncommitted transaction ids.

Declaration
public IReadOnlyList<long> GetUncommittedTransactionIdsBefore(DateTime dateTime)
Parameters
Type Name Description
DateTime dateTime

Max start time (exclusive)
Returns
Type Description
IReadOnlyList<long>

Uncommitted ids
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TransactionAborted(long)

Declaration
public void TransactionAborted(long transactionId)
Parameters
Type Name Description
long transactionId
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TransactionCommitted(long)

Declaration
public void TransactionCommitted(long transactionId)
Parameters
Type Name Description
long transactionId
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TransactionStarted(long)

Declaration
public void TransactionStarted(long transactionId)
Parameters
Type Name Description
long transactionId
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TryGetReadWriteStamp(in TKey, out ReadWriteStamp)

Declaration
public bool TryGetReadWriteStamp(in TKey key, out ReadWriteStamp readWriteStamp)
Parameters
Type Name Description
TKey key
ReadWriteStamp readWriteStamp
Returns
Type Description
bool

Implements