/// <summary>
/// Creates <see cref="PotentiallyAsyncWriterAndObservable{TValue}"/> which will write <see cref="JToken"/>s as character enumerables to given sink.
/// </summary>
/// <param name="logic">This <see cref="PotentiallyAsyncWriterLogic{TValue, TSink}"/>.</param>
/// <param name="sink">The sink to which perform writing.</param>
/// <returns>An instance of <see cref="PotentiallyAsyncWriterAndObservable{TValue}"/> to be used to serialize <see cref="JToken"/>s to <paramref name="sink"/>.</returns>
public static PotentiallyAsyncWriterAndObservable <JToken> CreateJTokenWriter <TSink>(
this PotentiallyAsyncWriterLogic <IEnumerable <Char>, TSink> logic,
TSink sink
)
{
return(WriterFactory.CreateTransformableWriter <JToken, TSink, IEnumerable <Char> >(
ArgumentValidator.ValidateNotNullReference(logic),
sink,
TransformJToken
));
}
private async Task ExecuteTaskAsync()
{
Encoding encoding;
var encodingName = this.FileEncoding;
if (String.IsNullOrEmpty(encodingName))
{
encoding = Encoding.UTF8;
}
else
{
encoding = Encoding.GetEncoding(encodingName);
}
var encodingInfo = encoding.CreateDefaultEncodingInfo();
var vendor = await this.LoadDynamically <SQLVendor>(this.VendorPackageID, this.VendorPackageVersion, this.VendorAssemblyPath, this.VendorTypeName);
if (vendor != null)
{
var user = await this.LoadDynamically <SQLGeneratorUser>(this.GeneratorPackageID, this.GeneratorPackageVersion, this.GeneratorAssemblyPath, this.GeneratorTypeName);
if (user != null)
{
var path = Path.GetFullPath(this.OutputFile);
using (var fs = File.Open(path, FileMode.Create, FileAccess.Write, FileShare.None))
{
var streamWriter = StreamFactory.CreateUnlimitedWriter(fs, this._cancellationSource.Token);
var writer = WriterFactory.CreateTransformableWriter <String, StreamWriterWithResizableBuffer, IEnumerable <Char> >(
new StreamCharacterWriter(encodingInfo, 1024),
streamWriter,
ToCharEnumerable
);
foreach (var sql in user.GenerateSQL(vendor))
{
await writer.TryWriteAsync(sql);
}
await streamWriter.FlushAsync();
}
this.Log.LogMessage(MessageImportance.High, $"Successfully wrote SQL file \"{path}\".");
}
}
}
