Class RecyclingByteBlockAllocator

A ByteBlockPool.Allocator implementation that recycles unused byte blocks in a buffer and reuses them in subsequent calls to GetByteBlock().

Note: this class is not thread-safe.

Note

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

Inheritance
System.Object
ByteBlockPool.Allocator
RecyclingByteBlockAllocator
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 RecyclingByteBlockAllocator : ByteBlockPool.Allocator

Constructors

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RecyclingByteBlockAllocator()

Creates a new RecyclingByteBlockAllocator with a block size of BYTE_BLOCK_SIZE, upper buffered docs limit of DEFAULT_BUFFERED_BLOCKS (64).

Declaration
public RecyclingByteBlockAllocator()
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RecyclingByteBlockAllocator(Int32, Int32)

Creates a new RecyclingByteBlockAllocator.

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

The block size in bytes.

System.Int32 maxBufferedBlocks

Maximum number of buffered byte block.

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RecyclingByteBlockAllocator(Int32, Int32, Counter)

Creates a new RecyclingByteBlockAllocator

Declaration
public RecyclingByteBlockAllocator(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 byte 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 ByteBlockPool.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 byte blocks from the buffer if possible.

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

The number of byte blocks to remove.

Returns
Type Description
System.Int32

The number of actually removed buffers.

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GetByteBlock()

Declaration
public override byte[] GetByteBlock()
Returns
Type Description
System.Byte[]
Overrides
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RecycleByteBlocks(Byte[][], Int32, Int32)

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