PooledBlobBuilder.cs

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using System.Reflection.Internal;
 
namespace System.Reflection.Metadata;
 
internal sealed class PooledBlobBuilder : BlobBuilder
{
    private static readonly ObjectPool<PooledBlobBuilder> s_chunkPool = new ObjectPool<PooledBlobBuilder>(() => new PooledBlobBuilder(1024), 128);
 
    private PooledBlobBuilder(int size)
        : base(size)
    {
    }
 
    public static PooledBlobBuilder GetInstance()
    {
        return s_chunkPool.Allocate();
    }
 
    protected override BlobBuilder AllocateChunk(int minimalSize)
    {
        if (minimalSize <= 1024)
        {
            return s_chunkPool.Allocate();
        }
        return new BlobBuilder(minimalSize);
    }
 
    protected override void FreeChunk()
    {
        s_chunkPool.Free(this);
    }
 
    public new void Free()
    {
        base.Free();
    }
}