public async Task <string[]> GetIdsAsync(ISearchCriteria criteria, long index1, long index2)
{
var filter = criteria.GetFilterString(this);
using (var connection = await this.Database.ConnectAsync().ConfigureAwait(false))
{
return(await this.GetRegionIdsMainAsync(connection, criteria, index1, index2, filter)
.ConfigureAwait(false));
}
}
/// <summary>
/// 指定検索条件下でのインデックスを調べる
/// </summary>
/// <param name="criteria"></param>
/// <param name="target"></param>
/// <returns></returns>
public async Task <long> FindIndexAsync(ISearchCriteria criteria, Record target)
{
if (criteria == null)
{
return(0);
}
using (var connection = await this.Records.Parent.ConnectAsync().ConfigureAwait(false))
{
return(await this.FindIndexMainAsync
(connection, criteria, criteria.GetFilterString(this), target).ConfigureAwait(false));
}
}
/// <summary>
/// 全てのIDを取得
/// </summary>
/// <param name="filter"></param>
/// <returns></returns>
public async Task <string[]> GetAllIdsAsync(ISearchCriteria criteria)
{
var filter = criteria.GetFilterString(this);
using (var connection = await this.Database.ConnectAsync().ConfigureAwait(false))
{
return(await this.Records
.AsQueryable(connection)
.Where(filter)
.Select <string>(nameof(Record.Id))
.ToArrayAsync()
.ConfigureAwait(false));
}
}
/// <summary>
/// 二つのレコードの間にあるIDを取得(指定レコードの物を含まない)
/// </summary>
/// <param name="criteria"></param>
/// <param name="record1"></param>
/// <param name="record2"></param>
/// <returns></returns>
public async Task <string[]> GetRegionIdsAsync(ISearchCriteria criteria, Record record1, Record record2)
{
var filter = criteria.GetFilterString(this);
using (var connection = await this.Database.ConnectAsync().ConfigureAwait(false))
{
var index1 = await this.FindIndexMainAsync(connection, criteria, filter, record1)
.ConfigureAwait(false);
var index2 = await this.FindIndexMainAsync(connection, criteria, filter, record2)
.ConfigureAwait(false);
return(await this.GetRegionIdsMainAsync(connection, criteria, index1, index2, filter)
.ConfigureAwait(false));
}
}
