private void WriteEntryImplementation(ODataResource entry)
{
if (this.schema == null)
{
this.schema = this.outputContext.AvroWriter.UpdateSchema(entry, null, this.writingFeed);
}
if (this.scopes.Count > 0)
{
var parent = this.scopes.Pop() as ODataNestedResourceInfo;
var obj = this.currentEntityObject;
ODataAvroConvert.UpdateNestedInfoFromODataObject(obj, entry, parent, schema);
}
else
{
var obj = (AvroRecord)ODataAvroConvert.FromODataObject(entry, this.schema);
if (this.writingFeed)
{
this.entityObjectList.Add(obj);
this.currentEntityObject = obj;
}
else
{
this.currentEntityObject = obj;
}
}
}
public override void WriteError(ODataError error, bool includeDebugInformation)
{
var schema = this.AvroWriter.UpdateSchema(error, null);
var obj = ODataAvroConvert.FromODataObject(error, schema);
this.AvroWriter.Write(obj);
this.Flush();
}
public override void WriteProperty(ODataProperty property)
{
var schema = this.AvroWriter.UpdateSchema(property.Value, null);
var obj = ODataAvroConvert.FromODataObject(property.Value, schema);
this.AvroWriter.Write(obj);
this.Flush();
}
private bool ReadResourceFromRecord(object record)
{
this.item = ODataAvroConvert.ToODataEntry(record as AvroRecord);
if (record == null)
{
this.state = ODataReaderState.Exception;
return(false);
}
return(true);
}
public override ODataProperty ReadProperty(IEdmStructuralProperty property, IEdmTypeReference expectedPropertyTypeReference)
{
if (!this.AvroReader.MoveNext())
{
throw new ApplicationException("Error Reader state");
}
return(new ODataProperty {
Value = ODataAvroConvert.ToODataValue(this.AvroReader.Current)
});
}
private bool UpdateState()
{
if (!this.enumerator.MoveNext())
{
this.state = ODataParameterReaderState.Completed;
return(false);
}
var parameter = this.operation.Parameters.SingleOrDefault(para => para.Name == this.enumerator.Current.Name);
if (parameter == null)
{
throw new ApplicationException("Given parameter name " + this.enumerator.Current.Name + " not found.");
}
this.name = parameter.Name;
this.value = this.avroRecord[this.enumerator.Current.Position];
if (this.value is AvroRecord)
{
if (parameter.Type.Definition is IEdmComplexType)
{
this.value = ODataAvroConvert.ToODataComplexValue((AvroRecord)this.value);
this.state = ODataParameterReaderState.Value;
}
else if (parameter.Type.Definition is IEdmEntityType)
{
this.state = ODataParameterReaderState.Entry;
}
else
{
this.state = ODataParameterReaderState.Exception;
return(false);
}
}
else if (this.value is Array && !(this.value is byte[]))
{
this.state = ODataParameterReaderState.Feed;
}
else
{
this.state = ODataParameterReaderState.Value;
}
return(true);
}
private void WriteEntryImplementation(ODataEntry entry)
{
if (this.schema == null)
{
this.schema = this.outputContext.AvroWriter.UpdateSchema(entry, null, this.writingFeed);
}
var obj = (AvroRecord)ODataAvroConvert.FromODataObject(entry, this.schema);
if (this.writingFeed)
{
this.entityObjectList.Add(obj);
}
else
{
this.currentEntityObject = obj;
}
}
public override bool Read()
{
switch (this.state)
{
case ODataReaderState.Start:
if (this.currentObject == null)
{
if (!this.reader.MoveNext())
{
this.state = ODataReaderState.Exception;
return(false);
}
this.currentObject = this.reader.Current;
}
this.state = readingFeed
? ODataReaderState.FeedStart
: ODataReaderState.EntryStart;
break;
case ODataReaderState.FeedStart:
this.item = new ODataFeed();
var objs = this.currentObject as object[];
if (objs == null)
{
this.state = ODataReaderState.Exception;
return(false);
}
this.recordEnumerator = objs.GetEnumerator();
this.state = (this.recordEnumerator.MoveNext())
? ODataReaderState.EntryStart
: ODataReaderState.FeedEnd;
break;
case ODataReaderState.FeedEnd:
this.state = ODataReaderState.Completed;
return(false);
case ODataReaderState.EntryStart:
var record = (this.readingFeed ? this.recordEnumerator.Current : this.currentObject) as AvroRecord;
if (record == null)
{
this.state = ODataReaderState.Exception;
return(false);
}
this.item = ODataAvroConvert.ToODataEntry(record);
this.state = ODataReaderState.EntryEnd;
return(true);
case ODataReaderState.EntryEnd:
if (!readingFeed)
{
this.state = ODataReaderState.Completed;
return(false);
}
this.state = this.recordEnumerator.MoveNext()
? ODataReaderState.EntryStart
: ODataReaderState.FeedEnd;
break;
default:
throw new ApplicationException("Invalid state");
}
return(true);
}
public override void WriteValue(string parameterName, object parameterValue)
{
this.record[parameterName] = ODataAvroConvert.FromODataObject(parameterValue, this.GetSubSchema(parameterName));
}
public override bool Read()
{
switch (this.state)
{
case ODataReaderState.Start:
if (this.currentObject == null)
{
if (!this.reader.MoveNext())
{
this.state = ODataReaderState.Exception;
return(false);
}
this.currentObject = this.reader.Current;
}
if (readingFeed)
{
this.state = ODataReaderState.ResourceSetStart;
}
else
{
this.state = ODataReaderState.ResourceStart;
var record = this.currentObject as AvroRecord;
return(ReadResourceFromRecord(this.currentObject));
}
break;
case ODataReaderState.ResourceSetStart:
{
this.item = new ODataResourceSet();
scopes.Push(this.item);
var objs = this.currentObject as object[];
if (objs == null)
{
this.state = ODataReaderState.Exception;
return(false);
}
this.recordEnumerator = objs.GetEnumerator();
return(MoveToNextAndReadResource());
}
case ODataReaderState.ResourceSetEnd:
this.state = ODataReaderState.Completed;
return(false);
case ODataReaderState.ResourceStart:
{
var nestedInfo = this.scopes.Count > 0 ? this.scopes.Peek() as ODataNestedResourceInfo : null;
this.scopes.Push(this.item);
if (nestedInfo != null)
{
this.state = ODataReaderState.ResourceEnd;
return(true);
}
var record = (this.readingFeed ? this.recordEnumerator.Current : this.currentObject) as AvroRecord;
nestedInfo = ODataAvroConvert.GetNestedResourceInfo(record);
if (nestedInfo != null)
{
this.item = nestedInfo;
this.state = ODataReaderState.NestedResourceInfoStart;
}
else
{
this.state = ODataReaderState.ResourceEnd;
}
return(true);
}
case ODataReaderState.ResourceEnd:
{
this.scopes.Pop();
var nestedInfo = this.scopes.Count > 0 ? this.scopes.Peek() as ODataNestedResourceInfo : null;
if (nestedInfo != null)
{
this.item = nestedInfo;
this.state = ODataReaderState.NestedResourceInfoEnd;
return(true);
}
if (!readingFeed)
{
this.state = ODataReaderState.Completed;
return(false);
}
return(MoveToNextAndReadResource());
}
case ODataReaderState.NestedResourceInfoStart:
{
this.scopes.Push(this.item);
var record = (this.readingFeed ? this.recordEnumerator.Current : this.currentObject) as AvroRecord;
var nestedInfo = this.item as ODataNestedResourceInfo;
this.item = ODataAvroConvert.ToODataEntry(record, nestedInfo.Name);
this.state = ODataReaderState.ResourceStart;
}
break;
case ODataReaderState.NestedResourceInfoEnd:
this.scopes.Pop();
this.item = this.scopes.Peek();
this.state = ODataReaderState.ResourceEnd;
break;
default:
throw new ApplicationException("Invalid state");
}
return(true);
}
