/// <summary>
/// Create a <see cref="ModelSaveContext"/> supporting saving to a repository, for implementors of <see cref="ICanSaveModel"/>.
/// </summary>
internal ModelSaveContext(RepositoryWriter rep, string dir, string name)
{
Contracts.CheckValue(rep, nameof(rep));
Repository = rep;
_ectx = rep.ExceptionContext;
_ectx.CheckValueOrNull(dir);
_ectx.CheckNonEmpty(name, nameof(name));
Directory = dir;
Strings = new NormStr.Pool();
_ent = rep.CreateEntry(dir, name);
try
{
Writer = new BinaryWriter(_ent.Stream, Encoding.UTF8, leaveOpen: true);
try
{
ModelHeader.BeginWrite(Writer, out FpMin, out Header);
}
catch
{
Writer.Dispose();
throw;
}
}
catch
{
_ent.Dispose();
throw;
}
}
/// <summary>
/// Create a <see cref="ModelSaveContext"/> supporting saving to a single-stream, for implementors of <see cref="ICanSaveInBinaryFormat"/>.
/// </summary>
internal ModelSaveContext(BinaryWriter writer, IExceptionContext ectx = null)
{
Contracts.AssertValueOrNull(ectx);
_ectx = ectx;
_ectx.CheckValue(writer, nameof(writer));
Repository = null;
Directory = null;
_ent = null;
Strings = new NormStr.Pool();
Writer = writer;
ModelHeader.BeginWrite(Writer, out FpMin, out Header);
}