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); }
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++; } } }
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()); }