internal Scope(ODataReaderState state, ODataItem item, IEdmNavigationSource navigationSource, IEdmStructuredType expectedResourceType, ODataUri odataUri)
{
Debug.Assert(
state == ODataReaderState.Exception && item == null ||
state == ODataReaderState.ResourceStart && (item == null || item is ODataResource) ||
state == ODataReaderState.ResourceEnd && (item is ODataResource || item == null) ||
state == ODataReaderState.Primitive && (item == null || item is ODataPrimitiveValue) ||
state == ODataReaderState.ResourceSetStart && item is ODataResourceSet ||
state == ODataReaderState.ResourceSetEnd && item is ODataResourceSet ||
state == ODataReaderState.NestedResourceInfoStart && item is ODataNestedResourceInfo ||
state == ODataReaderState.NestedResourceInfoEnd && item is ODataNestedResourceInfo ||
state == ODataReaderState.EntityReferenceLink && item is ODataEntityReferenceLink ||
state == ODataReaderState.Start && item == null ||
state == ODataReaderState.Completed && item == null,
"Reader state and associated item do not match.");
this.state = state;
this.item = item;
this.ResourceType = expectedResourceType;
this.NavigationSource = navigationSource;
this.odataUri = odataUri;
}
/// <summary>
/// Create contextUrlInfo for delta
/// </summary>
/// <param name="typeContext">The ODataResourceTypeContext to be used.</param>
/// <param name="version">The OData version of the response.</param>
/// <param name="kind">The delta kind.</param>
/// <param name="odataUri">The odata uri info for current query.</param>
/// <returns>The generated ODataContextUrlInfo.</returns>
internal static ODataContextUrlInfo Create(ODataResourceTypeContext typeContext, ODataVersion version, ODataDeltaKind kind, ODataUri odataUri = null)
{
Debug.Assert(typeContext != null, "typeContext != null");
ODataContextUrlInfo contextUriInfo = new ODataContextUrlInfo()
{
IsUnknownEntitySet = typeContext.NavigationSourceKind == EdmNavigationSourceKind.UnknownEntitySet,
NavigationSource = typeContext.NavigationSourceName,
TypeCast = typeContext.NavigationSourceEntityTypeName == typeContext.ExpectedResourceTypeName ? null : typeContext.ExpectedResourceTypeName,
TypeName = typeContext.NavigationSourceEntityTypeName,
IncludeFragmentItemSelector = kind == ODataDeltaKind.Resource && typeContext.NavigationSourceKind != EdmNavigationSourceKind.Singleton,
DeltaKind = kind,
NavigationPath = ComputeNavigationPath(typeContext.NavigationSourceKind, null, typeContext.NavigationSourceName),
};
// Only use odata uri in with model case.
if (typeContext is ODataResourceTypeContext.ODataResourceTypeContextWithModel)
{
contextUriInfo.NavigationPath = ComputeNavigationPath(typeContext.NavigationSourceKind, odataUri,
typeContext.NavigationSourceName);
contextUriInfo.ResourcePath = ComputeResourcePath(odataUri);
contextUriInfo.QueryClause = ComputeQueryClause(odataUri, version);
contextUriInfo.IsUndeclared = ComputeIfIsUndeclared(odataUri);
}
return(contextUriInfo);
}
/// <summary>
/// Create ODataContextUrlInfo from ODataResourceTypeContext
/// </summary>
/// <param name="typeContext">The ODataResourceTypeContext to be used.</param>
/// <param name="version">The OData Version of the response</param>
/// <param name="isSingle">Whether target is single item.</param>
/// <param name="odataUri">The odata uri info for current query.</param>
/// <returns>The generated ODataContextUrlInfo.</returns>
internal static ODataContextUrlInfo Create(ODataResourceTypeContext typeContext, ODataVersion version, bool isSingle, ODataUri odataUri = null)
{
Debug.Assert(typeContext != null, "typeContext != null");
var hasNavigationSourceInfo = typeContext.NavigationSourceKind != EdmNavigationSourceKind.None ||
!string.IsNullOrEmpty(typeContext.NavigationSourceName);
var typeName = hasNavigationSourceInfo
? typeContext.NavigationSourceFullTypeName
: typeContext.ExpectedResourceTypeName == null
? null
: isSingle
? typeContext.ExpectedResourceTypeName
: EdmLibraryExtensions.GetCollectionTypeName(typeContext.ExpectedResourceTypeName);
return(new ODataContextUrlInfo()
{
HasNavigationSourceInfo = hasNavigationSourceInfo,
IsUnknownEntitySet = typeContext.NavigationSourceKind == EdmNavigationSourceKind.UnknownEntitySet,
NavigationSource = typeContext.NavigationSourceName,
TypeCast = typeContext.NavigationSourceEntityTypeName == null ||
typeContext.ExpectedResourceTypeName == null ||
typeContext.ExpectedResourceType is IEdmComplexType ||
typeContext.NavigationSourceEntityTypeName == typeContext.ExpectedResourceTypeName
? null : typeContext.ExpectedResourceTypeName,
TypeName = typeName,
IncludeFragmentItemSelector = isSingle && typeContext.NavigationSourceKind != EdmNavigationSourceKind.Singleton,
NavigationPath = ComputeNavigationPath(typeContext.NavigationSourceKind, odataUri, typeContext.NavigationSourceName),
ResourcePath = ComputeResourcePath(odataUri),
QueryClause = ComputeQueryClause(odataUri, version),
IsUndeclared = ComputeIfIsUndeclared(odataUri)
});
}
/// <summary>
/// Create ODataContextUrlInfo from basic information
/// </summary>
/// <param name="navigationSource">Navigation source for current element.</param>\
/// <param name="expectedEntityTypeName">The expectedEntity for current element.</param>
/// <param name="isSingle">Whether target is single item.</param>
/// <param name="odataUri">The odata uri info for current query.</param>
/// <param name="version">The OData Version of the response.</param>
/// <returns>The generated ODataContextUrlInfo.</returns>
internal static ODataContextUrlInfo Create(IEdmNavigationSource navigationSource, string expectedEntityTypeName, bool isSingle, ODataUri odataUri, ODataVersion version)
{
EdmNavigationSourceKind kind = navigationSource.NavigationSourceKind();
string navigationSourceEntityType = navigationSource.EntityType().FullName();
return(new ODataContextUrlInfo()
{
IsUnknownEntitySet = kind == EdmNavigationSourceKind.UnknownEntitySet,
NavigationSource = navigationSource.Name,
TypeCast = navigationSourceEntityType == expectedEntityTypeName ? null : expectedEntityTypeName,
TypeName = navigationSourceEntityType,
IncludeFragmentItemSelector = isSingle && kind != EdmNavigationSourceKind.Singleton,
NavigationPath = ComputeNavigationPath(kind, odataUri, navigationSource.Name),
ResourcePath = ComputeResourcePath(odataUri),
QueryClause = ComputeQueryClause(odataUri, version),
IsUndeclared = ComputeIfIsUndeclared(odataUri)
});
}
/// <summary>
/// Create ODataContextUrlInfo for OdataValue.
/// </summary>
/// <param name="value">The ODataValue to be used.</param>
/// <param name="version">OData Version.</param>
/// <param name="odataUri">The odata uri info for current query.</param>
/// <param name="model">The model used to handle unsigned int conversions.</param>
/// <returns>The generated ODataContextUrlInfo.</returns>
internal static ODataContextUrlInfo Create(ODataValue value, ODataVersion version, ODataUri odataUri = null, IEdmModel model = null)
{
return(new ODataContextUrlInfo()
{
TypeName = GetTypeNameForValue(value, model),
ResourcePath = ComputeResourcePath(odataUri),
QueryClause = ComputeQueryClause(odataUri, version),
IsUndeclared = ComputeIfIsUndeclared(odataUri)
});
}
/// <summary>
/// Build ODataUri into a Uri, the result Uri's query options are URL encoded.
/// </summary>
/// <param name="odataUri">ODataUri which will be build to relative url</param>
/// <param name="urlKeyDelimiter">Value from ODataUrlKeyDelimiter</param>
/// <returns>Uri of the semantic tree</returns>
public static Uri BuildUri(this ODataUri odataUri, ODataUrlKeyDelimiter urlKeyDelimiter)
{
NodeToStringBuilder nodeToStringBuilder = new NodeToStringBuilder();
SelectExpandClauseToStringBuilder selectExpandClauseToStringBuilder = new SelectExpandClauseToStringBuilder();
String queryOptions = String.Empty;
bool writeQueryPrefix = true;
if (odataUri.Filter != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$filter", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(nodeToStringBuilder.TranslateFilterClause(odataUri.Filter)));
}
if (odataUri.SelectAndExpand != null)
{
string result = selectExpandClauseToStringBuilder.TranslateSelectExpandClause(odataUri.SelectAndExpand, true);
if (!string.IsNullOrEmpty(result))
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, result);
}
}
if (odataUri.OrderBy != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$orderby", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(nodeToStringBuilder.TranslateOrderByClause(odataUri.OrderBy)));
}
if (odataUri.Top != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$top", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.Top.ToString()));
}
if (odataUri.Skip != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$skip", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.Skip.ToString()));
}
if (odataUri.QueryCount != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$count", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.QueryCount == true ? ExpressionConstants.KeywordTrue : ExpressionConstants.KeywordFalse));
}
if (odataUri.Search != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$search", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(nodeToStringBuilder.TranslateSearchClause(odataUri.Search)));
}
if (odataUri.SkipToken != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$skiptoken", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.SkipToken));
}
if (odataUri.DeltaToken != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$deltatoken", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.DeltaToken));
}
if (odataUri.ParameterAliasNodes != null && odataUri.ParameterAliasNodes.Count > 0)
{
string aliasNode = nodeToStringBuilder.TranslateParameterAliasNodes(odataUri.ParameterAliasNodes);
queryOptions = String.IsNullOrEmpty(aliasNode) ? queryOptions : String.Concat(WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions), aliasNode);
writeQueryPrefix = false;
}
string res = String.Concat(odataUri.Path.ToResourcePathString(urlKeyDelimiter), queryOptions);
return(odataUri.ServiceRoot == null ? new Uri(res, UriKind.Relative) : new Uri(odataUri.ServiceRoot, new Uri(res, UriKind.Relative)));
}
/// <summary>
/// Constructor creating a new reader scope.
/// </summary>
/// <param name="state">The reader state of this scope.</param>
/// <param name="item">The item attached to this scope.</param>
/// <param name="navigationSource">The navigation source we are going to read entities for.</param>
/// <param name="expectedResourceType">The expected resource type for the scope.</param>
/// <param name="odataUri">The odataUri parsed based on the context uri for current scope</param>
internal StreamScope(ODataReaderState state, ODataItem item, IEdmNavigationSource navigationSource, IEdmTypeReference expectedResourceType, ODataUri odataUri)
: base(state, item, navigationSource, expectedResourceType, odataUri)
{
this.StreamingState = StreamingState.None;
}
internal Scope(ODataReaderState state, ODataItem item, IEdmNavigationSource navigationSource, IEdmTypeReference expectedResourceTypeReference, ODataUri odataUri)
: this(state, item, odataUri)
{
this.NavigationSource = navigationSource;
this.ResourceTypeReference = expectedResourceTypeReference;
}