/// <summary>
/// Constructor.
/// </summary>
/// <param name="outputContext">The output context to write to.</param>
/// <param name="navigationSource">The navigation source we are going to write entities for.</param>
/// <param name="entityType">The entity type for the entries in the feed to be written (or null if the entity set base type should be used).</param>
/// <param name="writingFeed">True if the writer is created for writing a feed; false when it is created for writing an entry.</param>
/// <param name="listener">If not null, the writer will notify the implementer of the interface of relevant state changes in the writer.</param>
protected ODataWriterCore(
ODataOutputContext outputContext,
IEdmNavigationSource navigationSource,
IEdmEntityType entityType,
bool writingFeed,
IODataReaderWriterListener listener = null)
{
Debug.Assert(outputContext != null, "outputContext != null");
this.outputContext = outputContext;
this.writingFeed = writingFeed;
// create a collection validator when writing a top-level feed and a user model is present
if (this.writingFeed && this.outputContext.Model.IsUserModel())
{
this.feedValidator = new FeedWithoutExpectedTypeValidator();
}
if (navigationSource != null && entityType == null)
{
entityType = this.outputContext.EdmTypeResolver.GetElementType(navigationSource);
}
ODataUri odataUri = outputContext.MessageWriterSettings.ODataUri.Clone();
// Remove key for top level entry
if (!writingFeed && odataUri != null && odataUri.Path != null)
{
odataUri.Path = odataUri.Path.TrimEndingKeySegment();
}
this.listener = listener;
this.scopes.Push(new Scope(WriterState.Start, /*item*/null, navigationSource, entityType, /*skipWriting*/false, outputContext.MessageWriterSettings.SelectedProperties, odataUri));
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="inputContext">The input to read the payload from.</param>
/// <param name="readingFeed">true if the reader is created for reading a feed; false when it is created for reading an entry.</param>
/// <param name="listener">If not null, the reader will notify the implementer of the interface of relevant state changes in the reader.</param>
protected ODataReaderCore(
ODataInputContext inputContext,
bool readingFeed,
IODataReaderWriterListener listener)
{
Debug.Assert(inputContext != null, "inputContext != null");
this.inputContext = inputContext;
this.readingFeed = readingFeed;
this.listener = listener;
this.currentEntryDepth = 0;
// create a collection validator when reading a top-level feed and a user model is present
if (this.readingFeed && this.inputContext.Model.IsUserModel())
{
this.feedValidator = new FeedWithoutExpectedTypeValidator();
}
}
