/// <summary>
/// Place where derived writers can perform custom steps before the entry is writen, at the begining of WriteStartEntryImplementation.
/// </summary>
/// <param name="entry">Entry to write.</param>
/// <param name="typeContext">The context object to answer basic questions regarding the type of the entry or feed.</param>
/// <param name="selectedProperties">The selected properties of this scope.</param>
protected override void PrepareEntryForWriteStart(ODataEntry entry, ODataFeedAndEntryTypeContext typeContext, SelectedPropertiesNode selectedProperties)
{
if (this.jsonLightOutputContext.MessageWriterSettings.AutoComputePayloadMetadataInJson)
{
EntryScope entryScope = (EntryScope)this.CurrentScope;
Debug.Assert(entryScope != null, "entryScope != null");
ODataEntityMetadataBuilder builder = this.jsonLightOutputContext.MetadataLevel.CreateEntityMetadataBuilder(
entry,
typeContext,
entryScope.SerializationInfo,
entryScope.EntityType,
selectedProperties,
this.jsonLightOutputContext.WritingResponse,
this.jsonLightOutputContext.MessageWriterSettings.UseKeyAsSegment,
this.jsonLightOutputContext.MessageWriterSettings.ODataUri);
if (builder is ODataConventionalEntityMetadataBuilder)
{
builder.ParentMetadataBuilder = this.FindParentEntryMetadataBuilder();
}
this.jsonLightOutputContext.MetadataLevel.InjectMetadataBuilder(entry, builder);
}
}
/// <summary>
/// Find instance of the metadata builder which belong to the parent odata entry
/// </summary>
/// <returns>
/// The metadata builder of the parent odata entry
/// Or null if there is no parent odata entry
/// </returns>
private ODataEntityMetadataBuilder FindParentEntryMetadataBuilder()
{
EntryScope parentEntryScope = this.GetParentEntryScope();
if (parentEntryScope != null)
{
ODataEntry entry = parentEntryScope.Item as ODataEntry;
if (entry != null)
{
return(entry.MetadataBuilder);
}
}
return(null);
}
/// <summary>
/// Place where derived writers can perform custom steps before the entry is writen, at the begining of WriteStartEntryImplementation.
/// </summary>
/// <param name="entry">Entry to write.</param>
/// <param name="typeContext">The context object to answer basic questions regarding the type of the entry or feed.</param>
/// <param name="selectedProperties">The selected properties of this scope.</param>
protected override void PrepareEntryForWriteStart(ODataEntry entry, ODataFeedAndEntryTypeContext typeContext, SelectedPropertiesNode selectedProperties)
{
if (this.jsonLightOutputContext.MessageWriterSettings.AutoComputePayloadMetadataInJson)
{
EntryScope entryScope = (EntryScope)this.CurrentScope;
Debug.Assert(entryScope != null, "entryScope != null");
ODataEntityMetadataBuilder builder = this.jsonLightOutputContext.MetadataLevel.CreateEntityMetadataBuilder(
entry,
typeContext,
entryScope.SerializationInfo,
entryScope.EntityType,
selectedProperties,
this.jsonLightOutputContext.WritingResponse,
this.jsonLightOutputContext.MessageWriterSettings.AutoGeneratedUrlsShouldPutKeyValueInDedicatedSegment);
this.jsonLightOutputContext.MetadataLevel.InjectMetadataBuilder(entry, builder);
}
}
