/// <summary>
/// Initializes a new instance of the <see cref="FunctionSegmentTemplate" /> class.
/// </summary>
/// <param name="operationSegment">The operation segment, it should be a function segment and the parameters are template.</param>
public FunctionSegmentTemplate(OperationSegment operationSegment)
{
if (operationSegment == null)
{
throw Error.ArgumentNull(nameof(operationSegment));
}
IEdmOperation operation = operationSegment.Operations.FirstOrDefault();
if (!operation.IsFunction())
{
throw new ODataException(Error.Format(SRResources.SegmentShouldBeKind, "Function", "FunctionSegmentTemplate"));
}
Function = (IEdmFunction)operation;
NavigationSource = operationSegment.EntitySet;
ParameterMappings = OperationHelper.BuildParameterMappings(operationSegment.Parameters, operation.FullName());
// join the parameters as p1={p1}
string routeKey = ParameterMappings.BuildRouteKey();
string parameterStr = ParameterMappings.Count == 0 ? "()" : $"({{{routeKey}}})";
UnqualifiedIdentifier = Function.Name + parameterStr;
Literal = Function.FullName() + parameterStr;
// Function will always have the return type
IsSingle = Function.ReturnType.TypeKind() != EdmTypeKind.Collection;
}
/// <summary>
/// Initializes a new instance of the <see cref="FunctionImportSegmentTemplate" /> class.
/// </summary>
/// <param name="segment">The input function import segment.</param>
public FunctionImportSegmentTemplate(OperationImportSegment segment)
{
if (segment == null)
{
throw Error.ArgumentNull(nameof(segment));
}
IEdmOperationImport operationImport = segment.OperationImports.First();
if (!operationImport.IsFunctionImport())
{
throw new ODataException(Error.Format(SRResources.SegmentShouldBeKind, "FunctionImport", "FunctionImportSegmentTemplate"));
}
FunctionImport = (IEdmFunctionImport)operationImport;
NavigationSource = segment.EntitySet;
ParameterMappings = OperationHelper.BuildParameterMappings(segment.Parameters, operationImport.Name);
// join the parameters as p1={p1}
string routeKey = ParameterMappings.BuildRouteKey();
string parameterStr = ParameterMappings.Count == 0 ? "()" : $"({{{routeKey}}})";
Literal = FunctionImport.Name + parameterStr;
IsSingle = FunctionImport.Function.ReturnType.TypeKind() != EdmTypeKind.Collection;
}
/// <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);
string routeKey = ParameterMappings.BuildRouteKey();
string parameterStr = ParameterMappings.Count == 0 ? "()" : $"({{{routeKey}}})";
UnqualifiedIdentifier = function.Name + parameterStr;
Literal = function.FullName() + parameterStr;
// Function will always have the return type
IsSingle = function.ReturnType.TypeKind() != EdmTypeKind.Collection;
}
/// <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);
string routeKey = ParameterMappings.BuildRouteKey();
string parameterStr = ParameterMappings.Count == 0 ? "()" : $"({{{routeKey}}})";
Literal = functionImport.Name + parameterStr;
IsSingle = functionImport.Function.ReturnType.TypeKind() != EdmTypeKind.Collection;
}