/// <summary>
/// Given a queryable and a queryableEvaluator realizes the query asynchronously
/// </summary>
/// <param name="queryable">IQueryable</param>
/// <param name="evaluator">IQueryableEvaluator</param>
/// <param name="cancellationToken">CancelationsToken</param>
/// <returns>Data resulting from the query</returns>
public virtual async Task <TResult> RunAsync(IQueryable <TEntity> queryable, IQueryableEvaluator evaluator, string[] includes, CancellationToken cancellationToken = default)
{
var processedQuery = this.RunQuery(queryable);
var result = await this.GenerateResultAsync(processedQuery, evaluator, cancellationToken);
return(result);
}
/// <summary>
/// Given a queryable and a queryableEvaluator realizes the query
/// </summary>
/// <param name="queryable">IQueriable</param>
/// <param name="evaluator">IQueryableEvaluator</param>
/// <returns>Data resulting from the query</returns>
public virtual TResult Run(IQueryable <TEntity> queryable, IQueryableEvaluator evaluator)
{
var processedQuery = this.RunQuery(queryable);
var result = this.GenerateResult(processedQuery, evaluator);
return(result);
}
public GenericRepository(AppDbContext dbContext,
IQueryableEvaluator evaluator,
ISpecificationBuilder specificationBuilder)
{
_dbContext = dbContext;
this.Evaluator = evaluator;
this.SpecificationBuilder = specificationBuilder;
}
/// <summary>
/// Given a Queryable and a QueryableEvaluator realizes the query asynchronously
/// </summary>
/// <param name="queryable">IQueryable</param>
/// <param name="evaluator">IQueryableEvaluator</param>
/// <param name="cancellationToken">CancelationToken</param>
/// <returns>Data resulting from the query</returns>
public override async Task <IPagedQueryResult <TResult> > RunAsync(IQueryable <TEntity> queryable, IQueryableEvaluator evaluator, CancellationToken cancellationToken = default)
{
queryable = this.RunQuery(queryable);
this.count = await evaluator.CountAsync(queryable, cancellationToken);
queryable = this.Sort(queryable);
queryable = this.Paginate(queryable);
var result = await this.GenerateResultAsync(queryable, evaluator, cancellationToken);
return(result);
}
/// <summary>
/// Given a Queryable and a QueryableEvaluator realizes the query
/// </summary>
/// <param name="queryable">IQueryable</param>
/// <param name="evaluator">IQueryableEvaluator</param>
/// <returns>Data resulting from the query</returns>
public override IPagedQueryResult <TResult> Run(IQueryable <TEntity> queryable, IQueryableEvaluator evaluator)
{
queryable = this.RunQuery(queryable);
this.count = evaluator.Count(queryable);
queryable = this.Sort(queryable);
queryable = this.Paginate(queryable);
var result = this.GenerateResult(queryable, evaluator);
return(result);
}
/// <summary>
/// Generates the query asynchronously and returns data in <typeparamref name="TResult"/>
/// </summary>
/// <param name="queryable">IQueryable</param>
/// <param name="evaluator">IqueryableEvaluator</param>
/// <param name="cancellationToken">CancelationToken</param>
/// <returns>Data resulting from the query</returns>
protected override async Task <IPagedQueryResult <TResult> > GenerateResultAsync(IQueryable <TEntity> queryable, IQueryableEvaluator evaluator, CancellationToken cancellationToken = default)
{
var materialized = this.Materialize(queryable);
var values = await evaluator.ToArrayAsync(materialized, cancellationToken);
return(new PagedQueryResult <TResult>(values, this.Take, this.Skip, this.count));
}
/// <summary>
/// Generates the query and returns data in <typeparamref name="TResult"/>
/// </summary>
/// <param name="queryable">IQueryable</param>
/// <param name="evaluator">IQueryableEvaluatos</param>
/// <returns>Data resulting from the query</returns>
protected override IPagedQueryResult <TResult> GenerateResult(IQueryable <TEntity> queryable, IQueryableEvaluator evaluator)
{
var materialized = this.Materialize(queryable);
var values = evaluator.ToArray(materialized);
return(new PagedQueryResult <TResult>(values, this.Take, this.Skip, this.count));
}
/// <summary>
/// Given a Queryable and a QueryableEvaluator realizes the query asynchronously
/// </summary>
/// <param name="queryable">IQueryable</param>
/// <param name="evaluator">IQueryableEvaluator</param>
/// <param name="cancellationToken">CancelationToken</param>
/// <returns>Data resulting from the query</returns>
public override async Task <IPagedQueryResult <TResult> > RunAsync(IQueryable <TEntity> queryable, IQueryableEvaluator evaluator, string[] includes, CancellationToken cancellationToken = default)
{
queryable = this.RunQuery(queryable);
this.count = await evaluator.CountAsync(queryable, cancellationToken);
queryable = this.Sort(queryable);
queryable = this.Paginate(queryable);
if (includes != null)
{
foreach (string include in includes)
{
queryable = queryable.Include(include);
}
}
var result = await this.GenerateResultAsync(queryable, evaluator, cancellationToken);
return(result);
}
/// <summary> /// Abstract method to be implemented in the inheriting classes that generates asynchronously the query result <typeparamref name="TResult"/> /// </summary> /// <param name="queryable">IQueryable</param> /// <param name="evaluator">IQueryableEvaluator</param> /// <param name="cancellationToken">CancelationToken</param> /// <returns>Data resulting from the query</returns> protected abstract Task <TResult> GenerateResultAsync(IQueryable <TEntity> queryable, IQueryableEvaluator evaluator, CancellationToken cancellationToken = default);
/// <summary> /// Abstract method to be implemented in the inheriting classes that generates the query result depending on <typeparamref name="TResult"/> /// </summary> /// <param name="queryable">IQueryable</param> /// <param name="evaluator">IQueryableEvaluator</param> /// <returns>Data resulting from the query</returns> protected abstract TResult GenerateResult(IQueryable <TEntity> queryable, IQueryableEvaluator evaluator);
