Interface IDiskSegment<TKey, TValue>

Inherited Members
Namespace: Tenray.ZoneTree.Segments
Assembly: ZoneTree.dll
Syntax
public interface IDiskSegment<TKey, TValue> : IReadOnlySegment<TKey, TValue>, IIndexedReader<TKey, TValue>, IDisposable
Type Parameters
Name Description
TKey
TValue

Properties

| Improve this Doc View Source

Length

Gets number of the records in the segment.

Declaration
long Length { get; }
Property Value
Type Description
long
| Improve this Doc View Source

ReadBufferCount

Gets the count of read buffers.

Declaration
int ReadBufferCount { get; }
Property Value
Type Description
int

Methods

| Improve this Doc View Source

AttachIterator()

Increments the iterator reader counter to ensure that disk segment stays alive until all iterators call DetachIterator.

Declaration
void AttachIterator()
| Improve this Doc View Source

DetachIterator()

Decrements the iterator reader counter. When there is no attached iterator remaining and the drop is already requested, calls Drop().

Declaration
void DetachIterator()
| Improve this Doc View Source

Drop(HashSet<long>)

Drops all sectors of the segment except those in the specified exclusion list.

Declaration
void Drop(HashSet<long> excludedPartIds)
Parameters
Type Name Description
HashSet<long> excludedPartIds

A set of part IDs to exclude from dropping.
| Improve this Doc View Source

GetFirstKeysOfEveryPart()

Returns the first keys of every part.

Declaration
TKey[] GetFirstKeysOfEveryPart()
Returns
Type Description
TKey[]

An array of the first keys of each part.
| Improve this Doc View Source

GetLastKeysOfEveryPart()

Returns the last keys of every part.

Declaration
TKey[] GetLastKeysOfEveryPart()
Returns
Type Description
TKey[]

An array of the last keys of each part.
| Improve this Doc View Source

GetLastValuesOfEveryPart()

Returns the last values of every part.

Declaration
TValue[] GetLastValuesOfEveryPart()
Returns
Type Description
TValue[]

An array of the last values of each part.
| Improve this Doc View Source

GetPart(int)

Retrieves the part of the segment at the specified index.

Declaration
IDiskSegment<TKey, TValue> GetPart(int partIndex)
Parameters
Type Name Description
int partIndex

The index of the part to retrieve.
Returns
Type Description
IDiskSegment<TKey, TValue>

The part of the segment at the specified index.
| Improve this Doc View Source

GetPartCount()

Returns the total number of parts in the segment.

Declaration
int GetPartCount()
Returns
Type Description
int

The total number of parts.
| Improve this Doc View Source

InitSparseArray(int)

Initializes the sparse array with the specified size.

Declaration
void InitSparseArray(int size)
Parameters
Type Name Description
int size

The size of the sparse array to initialize.
| Improve this Doc View Source

LoadIntoMemory()

Initialize a sparse array alligned with segment length, enabling faster reads without I/O operations.

Declaration
void LoadIntoMemory()
| Improve this Doc View Source

ReleaseCircularKeyCacheRecords()

Releases expired circular cache key records.

Declaration
int ReleaseCircularKeyCacheRecords()
Returns
Type Description
int

The total number of released cached records.
| Improve this Doc View Source

ReleaseCircularValueCacheRecords()

Releases expired circular cache value records.

Declaration
int ReleaseCircularValueCacheRecords()
Returns
Type Description
int

The total number of released cached records.
| Improve this Doc View Source

ReleaseReadBuffers(long)

Releases internal read buffers that have not been used since the specified tick count.

Declaration
int ReleaseReadBuffers(long ticks)
Parameters
Type Name Description
long ticks
Returns
Type Description
int

The total number of released read buffers.
| Improve this Doc View Source

SetDefaultSparseArray(IReadOnlyList<SparseArrayEntry<TKey, TValue>>)

Sets default sparse array of the disk segment and persists it to the disk.

Declaration
void SetDefaultSparseArray(IReadOnlyList<SparseArrayEntry<TKey, TValue>> defaultSparseArray)
Parameters
Type Name Description
IReadOnlyList<SparseArrayEntry<TKey, TValue>> defaultSparseArray