Ejemplo n.º 1
0
        public override string GetSQL(object oo, Net.Vpc.Upa.Persistence.EntityExecutionContext context, Net.Vpc.Upa.Impl.Persistence.SQLManager sqlManager, Net.Vpc.Upa.Impl.Uql.ExpressionDeclarationList declarations) /* throws Net.Vpc.Upa.Exceptions.UPAException */
        {
            Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledUpdate o  = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledUpdate)oo;
            Net.Vpc.Upa.Persistence.PersistenceStore persistenceStore = context.GetPersistenceStore();
            Net.Vpc.Upa.PersistenceUnit pu     = context.GetPersistenceUnit();
            Net.Vpc.Upa.Entity          entity = pu.GetEntity(o.GetEntity().GetName());
            //        String persistenceName = persistenceStore.getPersistenceName(entity);
            System.Text.StringBuilder sb = new System.Text.StringBuilder("Update " + sqlManager.GetSQL(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName(entity.GetName()), context, declarations));
            string tableAlias            = o.GetEntityAlias();

            if (tableAlias != null)
            {
                sb.Append(" ");
                sb.Append(sqlManager.GetSQL(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(tableAlias), context, declarations));
            }
            sb.Append(" Set ");
            bool isFirst = true;
            int  max     = o.CountFields();

            for (int i = 0; i < max; i++)
            {
                Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar vv = o.GetField(i);
                Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar ev = null;
                Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar fv = null;
                if (vv.GetChild() == null)
                {
                    ev = null;
                    fv = vv;
                }
                else
                {
                    ev = vv;
                    fv = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar)vv.GetChild();
                }
                Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression fieldValue = o.GetFieldValue(i);
                //            Object referrer = vv.getReferrer();
                Net.Vpc.Upa.Field  f             = ((Net.Vpc.Upa.Field)fv.GetReferrer());
                Net.Vpc.Upa.Entity entityManager = f.GetEntity();
                System.Collections.Generic.IList <Net.Vpc.Upa.PrimitiveField> primFields = entityManager.ToPrimitiveFields <Net.Vpc.Upa.EntityPart>(new System.Collections.Generic.List <Net.Vpc.Upa.EntityPart>(new[] { (Net.Vpc.Upa.EntityPart)f }));
                foreach (Net.Vpc.Upa.PrimitiveField primField in primFields)
                {
                    if (isFirst)
                    {
                        isFirst = false;
                    }
                    else
                    {
                        sb.Append(", ");
                    }
                    if (ev != null)
                    {
                        sb.Append(sqlManager.GetSQL(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(ev.GetName()), context, declarations)).Append(".");
                    }
                    sb.Append(sqlManager.GetSQL(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(primField), context, declarations));
                    sb.Append("=").Append("(").Append(sqlManager.GetSQL(fieldValue, context, declarations)).Append(")");
                }
            }
            if (o.GetCondition() != null && o.GetCondition().IsValid())
            {
                sb.Append(" Where ").Append(sqlManager.GetSQL(o.GetCondition(), context, declarations));
            }
            if (persistenceStore.IsViewSupported() && entity.NeedsView() && o.GetEntity().IsUseView())
            {
                string implicitTableAlias = persistenceStore.GetPersistenceName("IT_" + entity.GetName(), Net.Vpc.Upa.Persistence.PersistenceNameType.ALIAS);
                sb.Append(" ");
                sb.Append(sqlManager.GetSQL(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName(entity.GetName()), context, declarations)).Append(" ").Append(implicitTableAlias).Append(",").Append(sqlManager.GetSQL(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName(entity.GetName(), true), context, declarations)).Append(" ").Append(sqlManager.GetSQL(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(tableAlias), context, declarations));
            }
            //            if (extraFrom != null)
            return(sb.ToString());
        }
Ejemplo n.º 2
0
 public virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression TranslateExpression(object x, Net.Vpc.Upa.Impl.Uql.ExpressionTranslationManager manager, Net.Vpc.Upa.Impl.Uql.ExpressionDeclarationList declarations) /* throws Net.Vpc.Upa.Exceptions.UPAException */
 {
     Net.Vpc.Upa.Expressions.IdExpression o = (Net.Vpc.Upa.Expressions.IdExpression)x;
     Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression ret = null;
     Net.Vpc.Upa.Entity entity = null;
     if (o.GetEntity() != null)
     {
         entity = o.GetEntity();
     }
     Net.Vpc.Upa.PersistenceUnit persistenceUnit = manager.GetPersistenceUnit();
     if (entity == null && o.GetEntityName() != null)
     {
         entity = persistenceUnit.GetEntity(o.GetEntityName());
     }
     if (entity == null && o.GetAlias() != null)
     {
         //check if alias
         System.Collections.Generic.IList <Net.Vpc.Upa.Impl.Uql.ExpressionDeclaration> dvalues = declarations.GetDeclarations(null);
         if (dvalues != null)
         {
             foreach (Net.Vpc.Upa.Impl.Uql.ExpressionDeclaration @ref in dvalues)
             {
                 switch (@ref.GetReferrerType())
                 {
                 case Net.Vpc.Upa.Impl.Uql.DecObjectType.ENTITY:
                 {
                     entity = persistenceUnit.GetEntity((string)@ref.GetReferrerName());
                     break;
                 }
                 }
             }
         }
     }
     if (entity == null && o.GetAlias() != null)
     {
         //check if entity
         if (persistenceUnit.ContainsEntity(o.GetAlias()))
         {
             entity = persistenceUnit.GetEntity(o.GetAlias());
         }
     }
     if (entity == null)
     {
         throw new System.ArgumentException("Key enumeration must by associated to and entity");
     }
     Net.Vpc.Upa.Key    key     = entity.GetBuilder().IdToKey(o.GetId());
     object[]           values  = key == null ? null : key.GetValue();
     Net.Vpc.Upa.Entity entity1 = o.GetEntity();
     System.Collections.Generic.IList <Net.Vpc.Upa.PrimitiveField> f = entity1.ToPrimitiveFields <Net.Vpc.Upa.Field>(entity1.GetPrimaryFields());
     for (int i = 0; i < (f).Count; i++)
     {
         Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar ppp = o.GetAlias() == null ? null : new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(o.GetAlias());
         if (ppp == null)
         {
             ppp = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(f[i].GetName());
         }
         else
         {
             ppp.SetChild(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(f[i].GetName()));
         }
         Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEquals e = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEquals(ppp, new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledLiteral(values == null ? null : values[i], Net.Vpc.Upa.Impl.Util.UPAUtils.GetTypeTransformOrIdentity(f[i])));
         ret = (ret == null) ? ((Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression)(e)) : new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledAnd(ret, e);
     }
     if (ret == null)
     {
         ret = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEquals(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledLiteral(1), new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledLiteral(1));
     }
     return(ret);
 }