public object Translate(Artifact source)
{
var result = new SQLModel.Batch();
var context = new SQLTranslationContext(this);
var identifier = source.MetaData.Children.First(c => c.Name == "identifiers").Children.First(c => c.Name == "identifier");
context.StartArtifact(identifier.GetAttribute <string>("root"));
try
{
// Libraries
foreach (LibraryRef libraryRef in source.Libraries)
{
// Okay to pass null for the verification context here, each of the referenced libraries should already be verified at this point.
result.Statements.AddRange(TranslateLibrary(context, libraryRef.Name, LibraryFactory.ResolveLibrary(libraryRef, null)));
}
// TODO: Parameters
// ExpressionDefs
foreach (ExpressionDef expression in source.Expressions)
{
result.Statements.Add(TranslateExpressionDef(context, source.MetaData.Name, expression));
}
// Criteria
// Criteria are translated as "create view <artifact name>_<condition><conditionNumber>"
int conditionNumber = 0;
foreach (ASTNode condition in source.Conditions)
{
conditionNumber++;
result.Statements.Add(TranslateCondition(context, source.MetaData.Name, String.Format("Condition{0}", conditionNumber), condition));
}
// TODO: Assertion
return(result);
}
finally
{
context.EndArtifact();
}
}
public object Translate(Artifact source)
{
var result = new SQLModel.Batch();
var context = new SQLTranslationContext(this);
var identifier = source.MetaData.Children.First(c => c.Name == "identifiers").Children.First(c => c.Name == "identifier");
context.StartArtifact(identifier.GetAttribute<string>("root"));
try
{
// Libraries
foreach (LibraryRef libraryRef in source.Libraries)
{
// Okay to pass null for the verification context here, each of the referenced libraries should already be verified at this point.
result.Statements.AddRange(TranslateLibrary(context, libraryRef.Name, LibraryFactory.ResolveLibrary(libraryRef, null)));
}
// TODO: Parameters
// ExpressionDefs
foreach (ExpressionDef expression in source.Expressions)
{
result.Statements.Add(TranslateExpressionDef(context, source.MetaData.Name, expression));
}
// Criteria
// Criteria are translated as "create view <artifact name>_<condition><conditionNumber>"
int conditionNumber = 0;
foreach (ASTNode condition in source.Conditions)
{
conditionNumber++;
result.Statements.Add(TranslateCondition(context, source.MetaData.Name, String.Format("Condition{0}", conditionNumber), condition));
}
// TODO: Assertion
return result;
}
finally
{
context.EndArtifact();
}
}
public void Write(Stream outputStream, object artifact)
{
SQLModel.Batch batch = artifact as SQLModel.Batch;
if (artifact == null)
{
throw new ArgumentException("SQL Artifact Writer expects an object of type SQLModel.Batch");
}
// Emit using TSQLTextEmitter, though in theory we could emit using any emitter, the translator would have to be aware of the dialectic differences as well.
// Easiest solution would probably be a translator per language type.
var emitter = new TSQLTextEmitter();
emitter.UseQuotedIdentifiers = true;
using (var sw = new StreamWriter(outputStream))
{
sw.Write(emitter.Emit(batch));
}
}