/// <summary>
/// Try to bind the idenfier as operation import (function import or action import) segment,
/// Append it into path.
/// </summary>
private static bool TryBindOperationImport(string identifier, string parenthesisExpressions,
IEdmModel model, IList <PathSegment> path, PathParserSettings settings)
{
// split the parameter key/value pair
parenthesisExpressions.ExtractKeyValuePairs(out IDictionary <string, string> parameters, out string remaining);
IList <string> parameterNames = parameters == null ? null : parameters.Keys.ToList();
IEdmOperationImport operationImport = OperationHelper.ResolveOperationImports(identifier, parameterNames, model, settings.EnableCaseInsensitive);
if (operationImport != null)
{
operationImport.TryGetStaticEntitySet(model, out IEdmEntitySetBase entitySetBase);
path.Add(new OperationImportSegment(operationImport, entitySetBase));
if (remaining != null && operationImport.IsFunctionImport())
{
IEdmFunction function = (IEdmFunction)operationImport.Operation;
if (function.IsComposable)
{
if (TryBindKeySegment(parenthesisExpressions, path))
{
return(true);
}
}
}
return(true);
}
return(false);
}
/// <summary>
/// Try to bind the idenfier as bound operation segment,
/// Append it into path.
/// </summary>
internal static bool TryBindOperations(string identifier, string parenthesisExpressions,
IEdmModel model, IList <PathSegment> path, PathParserSettings settings)
{
PathSegment preSegment = path.LastOrDefault();
if (preSegment == null)
{
// bound operation cannot be the first segment.
return(false);
}
IEdmType bindingType = preSegment.EdmType;
// operation
parenthesisExpressions.ExtractKeyValuePairs(out IDictionary <string, string> parameters, out string remaining);
IList <string> parameterNames = parameters == null ? null : parameters.Keys.ToList();
IEdmOperation operation = OperationHelper.ResolveOperations(identifier, parameterNames, bindingType, model, settings.EnableCaseInsensitive);
if (operation != null)
{
IEdmEntitySetBase targetset = null;
if (operation.ReturnType != null)
{
IEdmNavigationSource source = preSegment == null ? null : preSegment.NavigationSource;
targetset = operation.GetTargetEntitySet(source, model);
}
path.Add(new OperationSegment(operation, targetset));
if (remaining != null && operation.IsFunction())
{
IEdmFunction function = (IEdmFunction)operation;
if (function.IsComposable)
{
// to process the ~/ .../ NS.Function(p1 ={ abc})({ id})
if (TryBindKeySegment(parenthesisExpressions, path))
{
return(true);
}
}
}
return(true);
}
return(false);
}