protected override IMappingObjectExpression VisitNew(NewExpression exp) { IMappingObjectExpression result = new MappingObjectExpression(exp.Constructor); ParameterInfo[] parames = exp.Constructor.GetParameters(); for (int i = 0; i < parames.Length; i++) { ParameterInfo pi = parames[i]; Expression argExp = exp.Arguments[i]; if (Utils.IsMapType(pi.ParameterType)) { DbExpression dbExpression = this.VisistExpression(argExp); result.AddConstructorParameter(pi, dbExpression); } else { IMappingObjectExpression subResult = this.Visit(argExp); result.AddConstructorEntityParameter(pi, subResult); } } return(result); }
public IMappingObjectExpression ToNewObjectExpression(DbSqlQueryExpression sqlQuery, DbTable table) { List <DbColumnSegment> columnList = sqlQuery.ColumnSegments; MappingObjectExpression moe = new MappingObjectExpression(this.ConstructorDescriptor); MappingObjectExpression mappingMembers = this; foreach (var kv in this.ConstructorParameters) { ParameterInfo pi = kv.Key; DbExpression exp = kv.Value; DbColumnAccessExpression cae = null; cae = MappingObjectExpressionHelper.ParseColumnAccessExpression(sqlQuery, table, exp, pi.Name); moe.AddConstructorParameter(pi, cae); } foreach (var kv in mappingMembers.ConstructorEntityParameters) { ParameterInfo pi = kv.Key; IMappingObjectExpression val = kv.Value; IMappingObjectExpression navMappingMember = val.ToNewObjectExpression(sqlQuery, table); moe.AddConstructorEntityParameter(pi, navMappingMember); } foreach (var kv in mappingMembers.SelectedMembers) { MemberInfo member = kv.Key; DbExpression exp = kv.Value; DbColumnAccessExpression cae = null; cae = MappingObjectExpressionHelper.ParseColumnAccessExpression(sqlQuery, table, exp, member.Name); moe.AddMemberExpression(member, cae); if (exp == this.PrimaryKey) { moe.PrimaryKey = cae; if (this.NullChecking == this.PrimaryKey) { moe.NullChecking = cae; } } } foreach (var kv in mappingMembers.SubResultEntities) { MemberInfo member = kv.Key; IMappingObjectExpression val = kv.Value; IMappingObjectExpression navMappingMember = val.ToNewObjectExpression(sqlQuery, table); moe.AddNavMemberExpression(member, navMappingMember); } if (moe.NullChecking == null) { moe.NullChecking = MappingObjectExpressionHelper.TryGetOrAddNullChecking(sqlQuery, table, this.NullChecking); } return(moe); }