33 lines
1020 B
C#
33 lines
1020 B
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace COA.EnterpriseServices.DataAccess.Helpers
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{
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public class BaseHelper<T> where T : class, IRecord
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{
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protected readonly ICollection<IDataAccess<T>> dataAccessInstances;
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public BaseHelper()
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{
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dataAccessInstances = Dependencies.Container
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.GetAllInstances<IDataAccess<T>>()
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.OrderBy(i => i.GetType().Name.StartsWith("QuickBase", StringComparison.OrdinalIgnoreCase))
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.ToList();
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}
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protected TResult Invoke<TResult>(Func<IDataAccess<T>, TResult> func)
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{
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var results = new List<TResult>();
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foreach (var dataAccessInstance in dataAccessInstances)
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{
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results.Add(func(dataAccessInstance));
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}
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// if the "EF" version invokes first, return that value
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return results.FirstOrDefault(r => r != null && !r.Equals(default(TResult)));
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}
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}
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}
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