public static bool MatchBindingPath(IEdmPathExpression bindingPath, IList <ODataSegmentTemplate> parsedSegments)
{
List <string> paths = bindingPath.PathSegments.ToList();
// If binding path only includes navigation property name, it matches.
if (paths.Count == 1)
{
return(true);
}
int pathIndex = paths.Count - 2; // Skip the last segment which is navigation property name.
// Match from tail to head.
for (int segmentIndex = parsedSegments.Count - 1; segmentIndex >= 0; segmentIndex--)
{
ODataSegmentTemplate segment = parsedSegments[segmentIndex];
PropertySegmentTemplate propertySegment = segment as PropertySegmentTemplate;
NavigationSegmentTemplate navigationSegment = segment as NavigationSegmentTemplate;
// Containment navigation property or complex property in binding path.
if (propertySegment != null ||
(navigationSegment != null && navigationSegment.Segment.NavigationSource is IEdmContainedEntitySet))
{
string pathName = propertySegment != null ?
propertySegment.Property.Name :
navigationSegment.NavigationProperty.Name;
if (pathIndex < 0 || string.CompareOrdinal(paths[pathIndex], pathName) != 0)
{
return(false);
}
pathIndex--;
}
else if (segment is CastSegmentTemplate)
{
CastSegmentTemplate cast = (CastSegmentTemplate)segment;
// May need match type if the binding path contains type cast.
if (pathIndex >= 0 && paths[pathIndex].Contains(".", System.StringComparison.Ordinal))
{
if (string.CompareOrdinal(paths[pathIndex], cast.CastType.AsElementType().FullTypeName()) != 0)
{
return(false);
}
pathIndex--;
}
}
else if (segment is EntitySetSegmentTemplate ||
segment is SingletonSegmentTemplate ||
navigationSegment != null)
{
// Containment navigation property in first if statement for NavigationPropertySegment.
break;
}
}
// Return true if all the segments in binding path have been matched.
return(pathIndex == -1 ? true : false);
}
public void TryTranslateCastSegmentTemplate_ThrowsArgumentNull_Context()
{
// Arrange
EdmEntityType baseType = new EdmEntityType("NS", "base");
EdmEntityType subType = new EdmEntityType("NS", "sub", baseType);
CastSegmentTemplate segment = new CastSegmentTemplate(subType, baseType, null);
// Act & Assert
ExceptionAssert.ThrowsArgumentNull(() => segment.TryTranslate(null), "context");
}
public void GetTemplatesCastSegmentTemplate_ReturnsTemplates()
{
// Assert
EdmEntityType baseType = new EdmEntityType("NS", "base");
EdmEntityType subType = new EdmEntityType("NS", "sub", baseType);
CastSegmentTemplate segment = new CastSegmentTemplate(subType, baseType, null);
// Act & Assert
IEnumerable <string> templates = segment.GetTemplates();
string template = Assert.Single(templates);
Assert.Equal("/NS.sub", template);
}
public void CommonCastProperties_ReturnsAsExpected()
{
// Assert
EdmEntityType baseType = new EdmEntityType("NS", "base");
EdmEntityType subType = new EdmEntityType("NS", "sub", baseType);
CastSegmentTemplate template = new CastSegmentTemplate(subType, baseType, null);
// Act & Assert
Assert.Equal(ODataSegmentKind.Cast, template.Kind);
Assert.Equal("NS.sub", template.Literal);
Assert.True(template.IsSingle);
Assert.Same(subType, template.EdmType);
Assert.Null(template.NavigationSource);
}
public void CtorCastSegmentTemplate_SetsProperties()
{
// Arrange & Act
EdmEntityType baseType = new EdmEntityType("NS", "base");
EdmEntityType subType = new EdmEntityType("NS", "sub", baseType);
CastSegmentTemplate segment = new CastSegmentTemplate(subType, baseType, null);
// Assert
Assert.Same(subType, segment.CastType);
Assert.Same(baseType, segment.ExpectedType);
Assert.NotNull(segment.TypeSegment);
// Act & Assert
CastSegmentTemplate segment1 = new CastSegmentTemplate(segment.TypeSegment);
Assert.Same(segment.TypeSegment, segment1.TypeSegment);
}
public void TranslateCastSegmentTemplate_ReturnsODataTypeSegment()
{
// Arrange
EdmEntityType baseType = new EdmEntityType("NS", "base");
EdmEntityType subType = new EdmEntityType("NS", "sub", baseType);
CastSegmentTemplate template = new CastSegmentTemplate(subType, baseType, null);
ODataTemplateTranslateContext context = new ODataTemplateTranslateContext();
// Act
ODataPathSegment actual = template.Translate(context);
// Assert
Assert.NotNull(actual);
TypeSegment typeSegment = Assert.IsType <TypeSegment>(actual);
Assert.Same(subType, typeSegment.EdmType);
}
public static ODataTypeCastSegment ConvertTo(this CastSegmentTemplate cast)
{
// So far, only support the entity type cast
return(new ODataTypeCastSegment(cast.ExpectedType as IEdmEntityType));
}
public static ODataPath Translate(this ODataPathTemplate pathTemplate)
{
if (pathTemplate.Count == 0)
{
// It's service root, so far, let's skip it.
return(null);
}
IList <ODataSegment> newSegments = new List <ODataSegment>();
foreach (var segment in pathTemplate)
{
switch (segment.Kind)
{
case ODataSegmentKind.Metadata:
newSegments.Add(new ODataMetadataSegment());
break;
case ODataSegmentKind.EntitySet:
EntitySetSegmentTemplate entitySet = (EntitySetSegmentTemplate)segment;
newSegments.Add(entitySet.ConvertTo());
break;
case ODataSegmentKind.Singleton:
SingletonSegmentTemplate singleton = (SingletonSegmentTemplate)segment;
newSegments.Add(singleton.ConvertTo());
break;
case ODataSegmentKind.Key:
KeySegmentTemplate key = (KeySegmentTemplate)segment;
newSegments.Add(key.ConvertTo());
break;
case ODataSegmentKind.Cast:
CastSegmentTemplate cast = (CastSegmentTemplate)segment;
newSegments.Add(cast.ConvertTo());
break;
case ODataSegmentKind.Property:
// TODO:
return(null);
//PropertySegmentTemplate property = (PropertySegmentTemplate)segment;
//newSegments.Add(property.ConvertTo());
//break;
case ODataSegmentKind.Navigation:
NavigationSegmentTemplate navigation = (NavigationSegmentTemplate)segment;
newSegments.Add(navigation.ConvertTo());
break;
case ODataSegmentKind.Function:
FunctionSegmentTemplate function = (FunctionSegmentTemplate)segment;
newSegments.Add(function.ConvertTo());
break;
case ODataSegmentKind.Action:
ActionSegmentTemplate action = (ActionSegmentTemplate)segment;
newSegments.Add(action.ConvertTo());
break;
case ODataSegmentKind.FunctionImport:
FunctionImportSegmentTemplate functionImport = (FunctionImportSegmentTemplate)segment;
newSegments.Add(functionImport.ConvertTo());
break;
case ODataSegmentKind.ActionImport:
ActionImportSegmentTemplate actionImport = (ActionImportSegmentTemplate)segment;
newSegments.Add(actionImport.ConvertTo());
break;
case ODataSegmentKind.Value:
return(null);
//ValueSegmentTemplate value = (ValueSegmentTemplate)segment;
//newSegments.Add(value.ConvertTo());
//break;
case ODataSegmentKind.Ref:
return(null);
//KeySegmentTemplate key = (KeySegmentTemplate)segment;
//newSegments.Add(key.ConvertTo());
//break;
case ODataSegmentKind.NavigationLink:
return(null);
//NavigationLinkSegmentTemplate navigationLink = (NavigationLinkSegmentTemplate)segment;
//newSegments.Add(navigationLink.ConvertTo());
//break;
case ODataSegmentKind.Count:
CountSegmentTemplate count = (CountSegmentTemplate)segment;
newSegments.Add(count.ConvertTo());
break;
case ODataSegmentKind.PathTemplate:
return(null);
//KeySegmentTemplate key = (KeySegmentTemplate)segment;
//newSegments.Add(key.ConvertTo());
//break;
case ODataSegmentKind.Dynamic:
return(null);
//KeySegmentTemplate key = (KeySegmentTemplate)segment;
//newSegments.Add(key.ConvertTo());
//break;
default:
throw new NotSupportedException();
}
}
return(new ODataPath(newSegments));
}
