public override Statement EmitHeader()
{
CreateAggregateOperatorStatement statement = (CreateAggregateOperatorStatement)EmitStatement(EmitMode.ForCopy);
statement.Initialization.ClassDefinition = null;
statement.Initialization.Block = null;
statement.Aggregation.ClassDefinition = null;
statement.Aggregation.Block = null;
statement.Finalization.ClassDefinition = null;
statement.Finalization.Block = null;
statement.MetaData = null;
return(statement);
}
public override Statement EmitStatement(EmitMode mode)
{
if (mode == EmitMode.ForStorage)
{
SaveObjectID();
SaveLocator();
}
else
{
RemoveObjectID();
RemoveLocator();
}
try
{
IMetaData result;
if ((mode != EmitMode.ForRemote) && (DeclarationText != null))
{
SourceStatement statement = new SourceStatement();
statement.Source = DeclarationText + InitializationText + AggregationText + FinalizationText;
result = statement;
}
else
{
CreateAggregateOperatorStatement statement = new CreateAggregateOperatorStatement();
statement.OperatorName = Schema.Object.EnsureRooted(OperatorName);
foreach (Operand operand in Operands)
{
FormalParameter formalParameter = new FormalParameter();
formalParameter.Identifier = operand.Name;
formalParameter.TypeSpecifier = operand.DataType.EmitSpecifier(mode);
formalParameter.Modifier = operand.Modifier;
statement.FormalParameters.Add(formalParameter);
}
statement.ReturnType = ReturnDataType.EmitSpecifier(mode);
#if USEVIRTUAL
statement.IsVirtual = IsVirtual;
statement.IsAbstract = IsAbstract;
statement.IsOverride = IsOverride;
statement.IsReintroduced = IsReintroduced;
#endif
if ((mode == EmitMode.ForRemote) && !IsRemotable)
{
statement.Initialization.Block = new Block();
statement.Aggregation.Block = new Block();
statement.Finalization.Block = new Block();
}
else
{
Initialization.EmitStatement(mode, statement.Initialization);
Aggregation.EmitStatement(mode, statement.Aggregation);
Finalization.EmitStatement(mode, statement.Finalization);
}
result = statement;
}
result.MetaData = MetaData == null ? null : MetaData.Copy();
if (SessionObjectName != null)
{
if (result.MetaData == null)
{
result.MetaData = new MetaData();
}
result.MetaData.Tags.AddOrUpdate("DAE.GlobalObjectName", OperatorName, true);
}
return((Statement)result);
}
finally
{
if (mode == EmitMode.ForStorage)
{
RemoveObjectID();
RemoveLocator();
}
}
}
