public virtual long GetNewValue(Net.Vpc.Upa.Field field) /* throws Net.Vpc.Upa.Exceptions.UPAException */
{
Net.Vpc.Upa.Entity entity = field.GetEntity();
Net.Vpc.Upa.Expressions.Select s = new Net.Vpc.Upa.Expressions.Select().From(entity.GetName());
s.Field(new Net.Vpc.Upa.Expressions.Plus(new Net.Vpc.Upa.Expressions.Coalesce(new Net.Vpc.Upa.Expressions.Max(new Net.Vpc.Upa.Expressions.Var(field.GetName())), new Net.Vpc.Upa.Expressions.Literal(0)), new Net.Vpc.Upa.Expressions.Literal(1)), "next");
Net.Vpc.Upa.Record next = field.GetPersistenceUnit().CreateQuery(s).GetRecord();
if (next != null)
{
return(next.GetLong("next"));
}
else
{
return(0);
}
}
private void BindRelation(Net.Vpc.Upa.Entity masterEntity)
{
Net.Vpc.Upa.Types.DataType dataType = field.GetDataType();
if (dataType is Net.Vpc.Upa.Impl.SerializableOrManyToOneType)
{
field.SetDataType(new Net.Vpc.Upa.Types.ManyToOneType(dataType.GetName(), dataType.GetPlatformType(), masterEntity.GetName(), true, dataType.IsNullable()));
field.SetTypeTransform(null);
field.SetTypeTransform(new Net.Vpc.Upa.Impl.Transform.IdentityDataTypeTransform(field.GetDataType()));
Net.Vpc.Upa.DefaultRelationshipDescriptor relationDescriptor = new Net.Vpc.Upa.DefaultRelationshipDescriptor();
relationDescriptor.SetBaseField(field.GetName());
relationDescriptor.SetTargetEntityType(masterEntity.GetEntityType());
relationDescriptor.SetTargetEntity(masterEntity.GetName());
relationDescriptor.SetSourceEntityType(field.GetEntity().GetEntityType());
relationDescriptor.SetSourceEntity(field.GetEntity().GetName());
field.GetPersistenceUnit().AddRelationship(relationDescriptor);
}
}
