2025-07-17 18:26:28 +08:00

109 lines
2.6 KiB
C#

using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using NativeCollection.UnsafeType;
namespace NativeCollection
{
public unsafe class MultiMap<T, K> : IEnumerable<MultiMapPair<T, K>>, INativeCollectionClass
where T : unmanaged, IEquatable<T>, IComparable<T> where K : unmanaged, IEquatable<K>
{
private UnsafeType.MultiMap<T, K>* _multiMap;
private const int _defaultPoolBlockSize = 64;
private const int _defaultListPoolSize = 200;
private int _poolBlockSize;
private int _listPoolSize;
public MultiMap(int listPoolSize = _defaultListPoolSize,int nodePoolBlockSize = _defaultPoolBlockSize)
{
_poolBlockSize = nodePoolBlockSize;
_listPoolSize = listPoolSize;
_multiMap = UnsafeType.MultiMap<T, K>.Create(_poolBlockSize,_listPoolSize);
IsDisposed = false;
}
public Span<K> this[T key] => (*_multiMap)[key];
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void Add(T key, K value)
{
_multiMap->Add(key,value);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public bool Remove(T key, K value)
{
return _multiMap->Remove(key, value);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public bool Remove(T key)
{
return _multiMap->Remove(key);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void Clear()
{
_multiMap->Clear();
}
public int Count => _multiMap->Count;
IEnumerator<MultiMapPair<T, K>> IEnumerable<MultiMapPair<T, K>>. GetEnumerator()
{
return GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public UnsafeType.SortedSet<MultiMapPair<T, K>>.Enumerator GetEnumerator()
{
return _multiMap->GetEnumerator();
}
public void Dispose()
{
if (IsDisposed)
{
return;
}
if (_multiMap!=null)
{
_multiMap->Dispose();
NativeMemoryHelper.Free(_multiMap);
NativeMemoryHelper.RemoveNativeMemoryByte(Unsafe.SizeOf<UnsafeType.MultiMap<T,K>>());
IsDisposed = true;
}
}
public void ReInit()
{
if (IsDisposed)
{
_multiMap = UnsafeType.MultiMap<T, K>.Create(_poolBlockSize,_listPoolSize);
IsDisposed = false;
}
}
public bool IsDisposed { get; private set; }
~MultiMap()
{
Dispose();
}
}
}