internal static new Projection Rebind(ParameterExpression parameter, string prefix, IElasticMapping mapping, Expression selector)
{
var visitor = new ProjectionExpressionVisitor(parameter, prefix, mapping);
Argument.EnsureNotNull("selector", selector);
var materialization = visitor.Visit(selector);
return new Projection(visitor.fieldNames, materialization);
}
/// <summary>
/// We are using just some properties of the entity. Rewrite the properties as JObject field lookups and
/// record all the field names used to ensure we only select those.
/// </summary>
/// <param name="selectExpression">Select expression to re-bind.</param>
private void RebindPropertiesAndElasticFields(Expression selectExpression)
{
var projection = ProjectionExpressionVisitor.Rebind(projectionParameter, prefix, mapping, selectExpression);
var compiled = Expression.Lambda(projection.Materialization, projectionParameter).Compile();
itemProjector = h => compiled.DynamicInvoke(h);
searchRequest.Fields.AddRange(projection.FieldNames);
finalItemType = selectExpression.Type;
}
internal static new Projection Rebind(ParameterExpression parameter, string prefix, IElasticMapping mapping, Expression selector)
{
var visitor = new ProjectionExpressionVisitor(parameter, prefix, mapping);
Argument.EnsureNotNull("selector", selector);
var materialization = visitor.Visit(selector);
return(new Projection(visitor.fieldNames, materialization));
}
