/// <summary>
/// Rewrite a given query.
/// </summary>
/// <typeparam name="T">The type of the query data.</typeparam>
/// <param name="value">The query to rewrite.</param>
/// <param name="rewriter">The rewriter to rewrite the query.</param>
/// <returns>The rewritten query.</returns>
public static IOrderedQueryable <T> EntityRewrite <T>(this IOrderedQueryable <T> value, ExpressionVisitor rewriter)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (rewriter == null)
{
throw new ArgumentNullException(nameof(rewriter));
}
var provider = new RewriteEntityQueryProvider(value.Provider, rewriter);
return(new RewriteEntityQueryable <T>(value, provider));
}
/// <summary>
/// Rewrite a given query.
/// </summary>
/// <param name="value">The query to rewrite.</param>
/// <param name="rewriter">The rewriter to rewrite the query.</param>
/// <returns>The rewritten query.</returns>
public static IOrderedQueryable EntityRewrite(this IOrderedQueryable value, ExpressionVisitor rewriter)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (rewriter == null)
{
throw new ArgumentNullException(nameof(rewriter));
}
var provider = new RewriteEntityQueryProvider(value.Provider, rewriter);
return((IOrderedQueryable)Activator.CreateInstance(
typeof(RewriteEntityQueryable <>).MakeGenericType(value.ElementType),
value, provider));
}
/// <summary>
/// Create a new query to rewrite.
/// </summary>
/// <param name="query">The actual query.</param>
/// <param name="provider">The provider to rewrite the query.</param>
public RewriteEntityQueryable(IQueryable query, RewriteEntityQueryProvider provider)
: base(query, provider)
{
providerAdapter = new EntityQueryProviderAdapter(provider);
}
public EntityQueryProviderAdapter(RewriteEntityQueryProvider provider)
: base(new EmptyQueryCompiler())
{
this.provider = provider;
}
