public static async Task SaveAsync(IEnumerable <KeywordMappingBase> keywords)
{
var enumerable = keywords as KeywordMappingBase[] ?? keywords.ToArray();
var tasks = new List <Task <int> >();
// length == 1 || length == 2
var lessThanTwoWords = enumerable.Where(_ => _.Key.Length <= 2 && _.Key.Length > 0).ToList();
if (lessThanTwoWords.Any())
{
tasks.Add(GetSaveTask(lessThanTwoWords, 1));
}
// length in [3,10]
From3To10.ForEach(
length =>
{
var toSearch = enumerable.Where(_ => _.Key.Length == length).ToList();
if (toSearch.Any())
{
tasks.Add(GetSaveTask(toSearch, length));
}
}
);
var moreThanTen = enumerable.Where(_ => _.Key.Length > 10).ToList();
// length > 10
if (moreThanTen.Any())
{
tasks.Add(GetSaveTask(moreThanTen, 1000));
}
await Task.WhenAll(tasks);
}
public static async Task DeleteAsync(long id)
{
// 1,2 & >10
var tasks = new List <Task> {
GetDeleteTask(id, 1), GetDeleteTask(id, 1000)
};
// length in [3,10]
From3To10.ForEach(
length =>
GetDeleteTask(id, length)
);
await Task.WhenAll(tasks);
}
public static async Task <IEnumerable <CommonMapping>[]> SearchKeywordMappingsAsync(
IEnumerable <CommonMapping> keywords)
{
var enumerable = keywords as CommonMapping[] ?? keywords.ToArray();
var tasks = new List <Task <IEnumerable <CommonMapping> > >();
// length == 1 || length == 2
var lessThanTwoWords = enumerable.Where(_ => _.Key.Length <= 2 && _.Key.Length > 0).ToList();
if (lessThanTwoWords.Any())
{
tasks.Add(GetSearchTask(lessThanTwoWords, 1));
}
// length in [3,10]
From3To10.ForEach(
length =>
{
var toSearch = enumerable.Where(_ => _.Key.Length == length).ToList();
if (toSearch.Any())
{
tasks.Add(GetSearchTask(toSearch, length));
}
}
);
// length > 10
var moreThanTen = enumerable.Where(_ => _.Key.Length > 10).ToList();
if (moreThanTen.Any())
{
tasks.Add(GetSearchTask(moreThanTen, 1000));
}
return(await Task.WhenAll(tasks));
}