/// <summary>
/// Initializes a new instance of the <see cref="FunctionSegmentTemplate" /> class.
/// </summary>
/// <param name="parameters">The function parameter template mappings.The key string is case-sensitive, the value string should wrapper with { and }.</param>
/// <param name="function">The Edm function, it should be bound function.</param>
/// <param name="navigationSource">The Edm navigation source of this function return. It could be null.</param>
public FunctionSegmentTemplate(IDictionary <string, string> parameters, IEdmFunction function, IEdmNavigationSource navigationSource)
{
if (parameters == null)
{
throw Error.ArgumentNull(nameof(parameters));
}
Function = function ?? throw Error.ArgumentNull(nameof(function));
NavigationSource = navigationSource;
// Only accept the bound function
if (!function.IsBound)
{
throw new ODataException(Error.Format(SRResources.FunctionIsNotBound, function.Name));
}
// parameters should include all required parameter, but maybe include the optional parameter.
ParameterMappings = function.VerifyAndBuildParameterMappings(parameters);
// Join the parameters as p1={p1}
string parameterStr = "(" + string.Join(",", ParameterMappings.Select(a => $"{a.Key}={{{a.Value}}}")) + ")";
UnqualifiedIdentifier = function.Name + parameterStr;
Literal = function.FullName() + parameterStr;
// Function will always have the return type
IsSingle = function.ReturnType.TypeKind() != EdmTypeKind.Collection;
HasOptionalMissing = ParameterMappings.Count != Function.Parameters.Count() - 1;
}
/// <inheritdoc />
public override IEnumerable <string> GetTemplates(ODataRouteOptions options)
{
options = options ?? ODataRouteOptions.Default;
if (ParameterMappings.Count == 0 && options.EnableNonParenthsisForEmptyParameterFunction)
{
yield return($"/{FunctionImport.Name}");
}
else
{
string parameters = string.Join(",", ParameterMappings.Select(a => $"{a.Key}={{{a.Value}}}"));
yield return($"/{FunctionImport.Name}({parameters})");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="FunctionImportSegmentTemplate" /> class.
/// </summary>
/// <param name="parameters">The function parameter template mappings.The key string is case-sensitive, the value string should wrapper with { and }.</param>
/// <param name="functionImport">The Edm function import.</param>
/// <param name="navigationSource">The target navigation source, it could be null.</param>
public FunctionImportSegmentTemplate(IDictionary <string, string> parameters, IEdmFunctionImport functionImport, IEdmNavigationSource navigationSource)
{
if (parameters == null)
{
throw Error.ArgumentNull(nameof(parameters));
}
FunctionImport = functionImport ?? throw Error.ArgumentNull(nameof(functionImport));
NavigationSource = navigationSource;
// parameters should include all required parameter, but maybe include the optional parameter.
ParameterMappings = functionImport.Function.VerifyAndBuildParameterMappings(parameters);
Literal = functionImport.Name + "(" + string.Join(",", ParameterMappings.Select(a => $"{a.Key}={{{a.Value}}}")) + ")";
IsSingle = functionImport.Function.ReturnType.TypeKind() != EdmTypeKind.Collection;
}
/// <inheritdoc />
public override IEnumerable <string> GetTemplates(ODataRouteOptions options)
{
options = options ?? ODataRouteOptions.Default;
Contract.Assert(options.EnableQualifiedOperationCall || options.EnableUnqualifiedOperationCall);
string unqualifiedIdentifier, qualifiedIdentifier;
if (ParameterMappings.Count == 0 && options.EnableNonParenthsisForEmptyParameterFunction)
{
unqualifiedIdentifier = "/" + Function.Name;
qualifiedIdentifier = "/" + Function.FullName();
}
else
{
string parameterStr = "(" + string.Join(",", ParameterMappings.Select(a => $"{a.Key}={{{a.Value}}}")) + ")";
unqualifiedIdentifier = "/" + Function.Name + parameterStr;
qualifiedIdentifier = "/" + Function.FullName() + parameterStr;
}
if (options.EnableQualifiedOperationCall && options.EnableUnqualifiedOperationCall)
{
// "/NS.Function(...)"
yield return(qualifiedIdentifier);
// "/Function(...)"
yield return(unqualifiedIdentifier);
}
else if (options.EnableQualifiedOperationCall)
{
// "/NS.Function(...)"
yield return(qualifiedIdentifier);
}
else
{
// "/Function(...)"
yield return(unqualifiedIdentifier);
}
}
