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projection functionality

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alexandre-spieser
2017-08-27 22:07:59 +00:00
parent 8d3e480c38
commit 1c40c08924
3 changed files with 256 additions and 5 deletions
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MongoDbGenericRepository/MongoDbRepository.cs
+107 -5
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@@ -227,6 +227,58 @@ namespace MongoDbGenericRepository
#endregion
#region Project
/// <summary>
/// Asynchronously returns a projected document matching the filter condition.
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <typeparam name="TProjection"></typeparam>
/// <param name="filter"></param>
/// <param name="projection">The projection expression.</param>
/// <param name="partitionKey">An optional partition key.</param>
Task<TProjection> ProjectOneAsync<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
where TDocument : IDocument
where TProjection : class;
/// <summary>
/// Returns a projected document matching the filter condition.
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <typeparam name="TProjection"></typeparam>
/// <param name="filter"></param>
/// <param name="projection">The projection expression.</param>
/// <param name="partitionKey">An optional partition key.</param>
TProjection ProjectOne<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
where TDocument : IDocument
where TProjection : class;
/// <summary>
/// Asynchronously returns a list of projected documents matching the filter condition.
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <typeparam name="TProjection"></typeparam>
/// <param name="filter"></param>
/// <param name="projection">The projection expression.</param>
/// <param name="partitionKey">An optional partition key.</param>
Task<List<TProjection>> ProjectManyAsync<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
where TDocument : IDocument
where TProjection : class;
/// <summary>
/// Asynchronously returns a list of projected documents matching the filter condition.
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <typeparam name="TProjection"></typeparam>
/// <param name="filter"></param>
/// <param name="projection">The projection expression.</param>
/// <param name="partitionKey">An optional partition key.</param>
List<TProjection> ProjectMany<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
where TDocument : IDocument
where TProjection : class;
#endregion
}
/// <summary>
@@ -577,27 +629,77 @@ namespace MongoDbGenericRepository
#endregion Delete
#region Projection
#region Project
/// <summary>
/// Asynchronously returns a list of projected document matching the filter condition.
/// Asynchronously returns a projected document matching the filter condition.
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <typeparam name="TProjection"></typeparam>
/// <param name="filter"></param>
/// <param name="projection">The projection expression.</param>
/// <param name="partitionKey">An optional partition key.</param>
public async Task<TProjection> GetProjectedAsync<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
public async Task<TProjection> ProjectOneAsync<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
where TDocument : IDocument
where TProjection : class, new()
where TProjection : class
{
return await HandlePartitioned<TDocument>(partitionKey).Find(filter)
.Project(projection)
.FirstOrDefaultAsync();
}
#endregion
/// <summary>
/// Returns a projected document matching the filter condition.
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <typeparam name="TProjection"></typeparam>
/// <param name="filter"></param>
/// <param name="projection">The projection expression.</param>
/// <param name="partitionKey">An optional partition key.</param>
public TProjection ProjectOne<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
where TDocument : IDocument
where TProjection : class
{
return HandlePartitioned<TDocument>(partitionKey).Find(filter)
.Project(projection)
.FirstOrDefault();
}
/// <summary>
/// Asynchronously returns a list of projected documents matching the filter condition.
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <typeparam name="TProjection"></typeparam>
/// <param name="filter"></param>
/// <param name="projection">The projection expression.</param>
/// <param name="partitionKey">An optional partition key.</param>
public async Task<List<TProjection>> ProjectManyAsync<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
where TDocument : IDocument
where TProjection : class
{
return await HandlePartitioned<TDocument>(partitionKey).Find(filter)
.Project(projection)
.ToListAsync();
}
/// <summary>
/// Asynchronously returns a list of projected documents matching the filter condition.
/// </summary>
/// <typeparam name="TDocument"></typeparam>
/// <typeparam name="TProjection"></typeparam>
/// <param name="filter"></param>
/// <param name="projection">The projection expression.</param>
/// <param name="partitionKey">An optional partition key.</param>
public List<TProjection> ProjectMany<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
where TDocument : IDocument
where TProjection : class
{
return HandlePartitioned<TDocument>(partitionKey).Find(filter)
.Project(projection)
.ToList();
}
#endregion
/// <summary>
/// Asynchronously returns a paginated list of the documents matching the filter condition.