/// <summary>
/// Finds the duplicates in the list and returns count.
/// </summary>
/// <typeparam name="T">The type of the item.</typeparam>
/// <param name="list">The list of items.</param>
/// <param name="compareItemFunc">The function that is used to compare the items.</param>
/// <returns>The duplicates count.</returns>
public static int GetDuplicatesCountForUnsortedList <T>(this List <T> list, CompareItemFunc <T> compareItemFunc)
{
int duplicatesCount = 0;
if (list?.Count > 1)
{
var clonedList = new List <T>(list);
for (int i = 0; i < clonedList.Count; i++)
{
for (int j = i + 1; j < clonedList.Count; j++)
{
if (compareItemFunc(clonedList[i], clonedList[j]) == MatchComparisonResultType.Same)
{
duplicatesCount++;
clonedList.RemoveAt(j);
j--;
}
}
}
}
return(duplicatesCount);
}
/// <summary>
/// Sets the CompareItemFunc.
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TItem">The type of the item.</typeparam>
/// <param name="syncAgent">The sync agent.</param>
/// <param name="compareItemFunc">The compare item function compares two items and determines if they are the same, one of them is newer, or there is a conflict.</param>
/// <returns></returns>
public static IBatchSyncAgent <TKey, TItem> SetCompareItemFunc <TKey, TItem>(this IBatchSyncAgent <TKey, TItem> syncAgent, CompareItemFunc <TItem> compareItemFunc)
{
syncAgent.CompareItemFunc = compareItemFunc;
return(syncAgent);
}
/// <summary>
/// Sets the CompareItemFunc.
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TItem">The type of the item.</typeparam>
/// <param name="comparerAgent">The comparer agent.</param>
/// <param name="compareItemFunc">The compare item function compares two items and determines if they are the same, one of them is newer, or there is a conflict.</param>
/// <returns>The comparer agent.</returns>
public static IComparerAgent <TKey, TItem> SetCompareItemFunc <TKey, TItem>(this IComparerAgent <TKey, TItem> comparerAgent, CompareItemFunc <TItem> compareItemFunc)
{
comparerAgent.CompareItemFunc = compareItemFunc;
return(comparerAgent);
}
