コード例 #1
0
        public virtual Net.Vpc.Upa.Key ExtractKey(Net.Vpc.Upa.Record sourceRecord)
        {
            switch (GetSourceRole().GetRelationshipUpdateType())
            {
            case Net.Vpc.Upa.RelationshipUpdateType.COMPOSED:
            {
                object targetEntityVal = sourceRecord.GetObject <T>(GetSourceRole().GetEntityField().GetName());
                if (targetEntityVal == null)
                {
                    return(null);
                }
                Net.Vpc.Upa.EntityBuilder targetConverter = GetTargetRole().GetEntity().GetBuilder();
                return(targetConverter.ObjectToKey(targetEntityVal));
            }

            case Net.Vpc.Upa.RelationshipUpdateType.FLAT:
            {
                System.Collections.Generic.IList <Net.Vpc.Upa.Field> relFields = GetSourceRole().GetFields();
                System.Collections.Generic.List <object>             keys      = new System.Collections.Generic.List <object>((relFields).Count);
                foreach (Net.Vpc.Upa.Field field in relFields)
                {
                    object keyPart = sourceRecord.GetObject <T>(field.GetName());
                    if (keyPart == null)
                    {
                        return(null);
                    }
                    keys.Add(keyPart);
                }
                return(GetTargetRole().GetEntity().CreateKey(keys.ToArray()));
            }
            }
            return(null);
        }
コード例 #2
0
        public virtual void BeforePersist(Net.Vpc.Upa.Record record, Net.Vpc.Upa.Persistence.EntityExecutionContext context) /* throws Net.Vpc.Upa.Exceptions.UPAException */
        {
            object o = record.GetObject <T>(field.GetName());

            Net.Vpc.Upa.Key key = relationshipTargetConverter.ObjectToKey(o);
            if (key == null)
            {
                foreach (Net.Vpc.Upa.Field ff in flatFields)
                {
                    record.SetObject(ff.GetName(), ff.GetUnspecifiedValueDecoded());
                }
            }
            else
            {
                int i = 0;
                foreach (Net.Vpc.Upa.Field ff in flatFields)
                {
                    record.SetObject(ff.GetName(), key.GetObjectAt(i));
                    i++;
                }
            }
        }
コード例 #3
0
 public virtual int Update(Net.Vpc.Upa.Entity entity, Net.Vpc.Upa.Persistence.EntityExecutionContext context, Net.Vpc.Upa.Record updates, Net.Vpc.Upa.Expressions.Expression condition) /* throws Net.Vpc.Upa.Exceptions.UPAException */
 {
     Net.Vpc.Upa.Expressions.Update u = new Net.Vpc.Upa.Expressions.Update().Entity(entity.GetName());
     foreach (string fieldName in updates.KeySet())
     {
         Net.Vpc.Upa.Field f = entity.FindField(fieldName);
         if (f != null && Net.Vpc.Upa.Impl.Util.Filters.Fields2.UPDATE.Accept(f))
         {
             object @value = updates.GetObject <T>(fieldName);
             if ((f.GetDataType() is Net.Vpc.Upa.Types.ManyToOneType))
             {
                 Net.Vpc.Upa.Types.ManyToOneType e = (Net.Vpc.Upa.Types.ManyToOneType)f.GetDataType();
                 if (e.IsUpdatable())
                 {
                     Net.Vpc.Upa.Entity        masterEntity = context.GetPersistenceUnit().GetEntity(e.GetTargetEntityName());
                     Net.Vpc.Upa.EntityBuilder mbuilder     = masterEntity.GetBuilder();
                     if (@value is Net.Vpc.Upa.Expressions.Expression)
                     {
                         Net.Vpc.Upa.Expressions.Expression evalue;
                         System.Collections.Generic.IList <Net.Vpc.Upa.Field> sfields = e.GetRelationship().GetSourceRole().GetFields();
                         System.Collections.Generic.IList <Net.Vpc.Upa.Field> tfields = e.GetRelationship().GetTargetRole().GetFields();
                         for (int i = 0; i < (sfields).Count; i++)
                         {
                             Net.Vpc.Upa.Field fk  = sfields[i];
                             Net.Vpc.Upa.Field fid = tfields[i];
                             evalue = ((Net.Vpc.Upa.Expressions.Expression)@value).Copy();
                             evalue = context.GetPersistenceUnit().GetExpressionManager().ParseExpression(evalue);
                             if (evalue is Net.Vpc.Upa.Expressions.Select)
                             {
                                 Net.Vpc.Upa.Expressions.Select svalue = (Net.Vpc.Upa.Expressions.Select)evalue;
                                 if (svalue.CountFields() != 1)
                                 {
                                     throw new System.Exception("Invalid Expression " + svalue + " as formula for field " + f.GetAbsoluteName());
                                 }
                                 if (svalue.GetField(0).GetExpression() is Net.Vpc.Upa.Expressions.Var)
                                 {
                                     svalue.GetField(0).SetExpression(new Net.Vpc.Upa.Expressions.Var((Net.Vpc.Upa.Expressions.Var)svalue.GetField(0).GetExpression(), fid.GetName()));
                                 }
                                 else
                                 {
                                     throw new System.Exception("Invalid Expression " + svalue + " as formula for field " + f.GetAbsoluteName());
                                 }
                             }
                             else if (evalue is Net.Vpc.Upa.Expressions.Var)
                             {
                                 evalue = (new Net.Vpc.Upa.Expressions.Var((Net.Vpc.Upa.Expressions.Var)evalue, fk.GetName()));
                             }
                             else if (evalue is Net.Vpc.Upa.Expressions.Param)
                             {
                             }
                             else if (evalue is Net.Vpc.Upa.Expressions.Literal)
                             {
                             }
                             else
                             {
                                 throw new System.Exception("Invalid Expression " + evalue + " as formula for field " + f.GetAbsoluteName());
                             }
                             u.Set(fk.GetName(), evalue);
                         }
                     }
                     else
                     {
                         Net.Vpc.Upa.Key k = null;
                         if (@value is Net.Vpc.Upa.Record)
                         {
                             k = mbuilder.RecordToKey((Net.Vpc.Upa.Record)@value);
                         }
                         else
                         {
                             k = mbuilder.ObjectToKey(@value);
                         }
                         int x = 0;
                         foreach (Net.Vpc.Upa.Field fk in e.GetRelationship().GetSourceRole().GetFields())
                         {
                             u.Set(fk.GetName(), new Net.Vpc.Upa.Expressions.Param(fk.GetName(), k == null ? null : k.GetObjectAt(x)));
                             x++;
                         }
                     }
                 }
             }
             else
             {
                 Net.Vpc.Upa.Expressions.Expression expression = (@value is Net.Vpc.Upa.Expressions.Expression) ? ((Net.Vpc.Upa.Expressions.Expression)((Net.Vpc.Upa.Expressions.Expression)@value)) : new Net.Vpc.Upa.Expressions.Param(null, @value);
                 u.Set(fieldName, expression);
             }
         }
     }
     u.Where(condition);
     return(context.GetPersistenceStore().CreateQuery(u, context).ExecuteNonQuery());
 }