19622977055

Committed 24 Nov 2025 04:05AM UTC coverage: 41.989% (+2.1%) from 39.89%

Build # 19622977055

Build Type

push

github

Committed by

MeltyPlayer

Commit Message

Switched float precision to fix broken tests.

Run Details

6747 of 18131 branches covered (37.21%)

Branch coverage included in aggregate %.

28639 of 66144 relevant lines covered (43.3%)

65384.8 hits per line

Source File
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0.0

/FinModelUtility/Fin/Fin/src/data/ReferenceCountCacheDictionary.cs

﻿using System;
using System.Collections.Concurrent;
using System.Collections.Generic;

namespace fin.data;

public interface IReferenceCountCacheDictionary<in TKey, out TValue> {
  public TValue GetAndIncrement(TKey key);
  public void DecrementAndMaybeDispose(TKey key);
}

public sealed class ReferenceCountCacheDictionary<TKey, TValue>(
    Func<TKey, TValue> createHandler,
    Action<TKey, TValue>? disposeHandler = null)
    : IReferenceCountCacheDictionary<TKey, TValue>
    where TKey : notnull {
  private readonly ConcurrentDictionary<TKey, (TValue value, int count)> impl_
      = new();

  public TValue GetAndIncrement(TKey key) {
    var valueAndCount = this.impl_.GetOrAdd(key, _ => (createHandler(key), 0));
    valueAndCount.count++;
    return valueAndCount.value;
  }

  public void DecrementAndMaybeDispose(TKey key) {
    if (this.impl_.TryGetValue(key, out var valueAndCount)) {
      if (--valueAndCount.count <= 0) {
        this.impl_.Remove(key, out _);
        disposeHandler?.Invoke(key, valueAndCount.value);
      }
    }
  }
}

1	using System;
2	using System.Collections.Concurrent;
3	using System.Collections.Generic;
4
5	namespace fin.data;
6
7	public interface IReferenceCountCacheDictionary<in TKey, out TValue> {
8	public TValue GetAndIncrement(TKey key);
9	public void DecrementAndMaybeDispose(TKey key);
10	}
11
12	public sealed class ReferenceCountCacheDictionary<TKey, TValue>(	×
13	Func<TKey, TValue> createHandler,	×
14	Action<TKey, TValue>? disposeHandler = null)	×
15	: IReferenceCountCacheDictionary<TKey, TValue>
16	where TKey : notnull {
17	private readonly ConcurrentDictionary<TKey, (TValue value, int count)> impl_	×
18	= new();	×
19
20	public TValue GetAndIncrement(TKey key) {	×
21	var valueAndCount = this.impl_.GetOrAdd(key, _ => (createHandler(key), 0));	×
22	valueAndCount.count++;	×
23	return valueAndCount.value;	×
24	}	×
25
26	public void DecrementAndMaybeDispose(TKey key) {	×
27	if (this.impl_.TryGetValue(key, out var valueAndCount)) {	×
28	if (--valueAndCount.count <= 0) {	×
29	this.impl_.Remove(key, out _);	×
30	disposeHandler?.Invoke(key, valueAndCount.value);	×
31	}	×
32	}	×
33	}	×
34	}

MeltyPlayer / MeltyTool / 19622977055

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