Class RecyclingInt32BlockAllocator

A Int32BlockPool.Allocator implementation that recycles unused System.Int32 blocks in a buffer and reuses them in subsequent calls to GetInt32Block().

Note: this class is not thread-safe.

NOTE: This was RecyclingIntBlockAllocator in Lucene

Note

This API is for internal purposes only and might change in incompatible ways in the next release.

Inheritance
System.Object
Int32BlockPool.Allocator
RecyclingInt32BlockAllocator
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Lucene.Net.Util
Assembly: Lucene.Net.dll
Syntax
public sealed class RecyclingInt32BlockAllocator : Int32BlockPool.Allocator

Constructors

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RecyclingInt32BlockAllocator()

Creates a new RecyclingInt32BlockAllocator with a block size of INT32_BLOCK_SIZE, upper buffered docs limit of DEFAULT_BUFFERED_BLOCKS.

Declaration
public RecyclingInt32BlockAllocator()
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RecyclingInt32BlockAllocator(Int32, Int32)

Creates a new RecyclingInt32BlockAllocator.

Declaration
public RecyclingInt32BlockAllocator(int blockSize, int maxBufferedBlocks)
Parameters
Type Name Description
System.Int32 blockSize

The size of each block returned by this allocator.

System.Int32 maxBufferedBlocks

Maximum number of buffered int blocks.

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RecyclingInt32BlockAllocator(Int32, Int32, Counter)

Creates a new RecyclingInt32BlockAllocator.

Declaration
public RecyclingInt32BlockAllocator(int blockSize, int maxBufferedBlocks, Counter bytesUsed)
Parameters
Type Name Description
System.Int32 blockSize

The block size in bytes.

System.Int32 maxBufferedBlocks

Maximum number of buffered int block.

Counter bytesUsed

Counter reference counting internally allocated bytes.

Fields

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DEFAULT_BUFFERED_BLOCKS

Declaration
public const int DEFAULT_BUFFERED_BLOCKS = 64
Field Value
Type Description
System.Int32

Properties

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BytesUsed

Declaration
public long BytesUsed { get; }
Property Value
Type Description
System.Int64

The number of bytes currently allocated by this Int32BlockPool.Allocator.

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MaxBufferedBlocks

Declaration
public int MaxBufferedBlocks { get; }
Property Value
Type Description
System.Int32

The maximum number of buffered byte blocks.

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NumBufferedBlocks

Declaration
public int NumBufferedBlocks { get; }
Property Value
Type Description
System.Int32

The number of currently buffered blocks.

Methods

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FreeBlocks(Int32)

Removes the given number of int blocks from the buffer if possible.

Declaration
public int FreeBlocks(int num)
Parameters
Type Name Description
System.Int32 num

The number of int blocks to remove.

Returns
Type Description
System.Int32

The number of actually removed buffers.

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GetInt32Block()

NOTE: This was getIntBlock() in Lucene

Declaration
public override int[] GetInt32Block()
Returns
Type Description
System.Int32[]
Overrides
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RecycleInt32Blocks(Int32[][], Int32, Int32)

NOTE: This was recycleIntBlocks in Lucene

Declaration
public override void RecycleInt32Blocks(int[][] blocks, int start, int end)
Parameters
Type Name Description
System.Int32[][] blocks
System.Int32 start
System.Int32 end
Overrides