public override string Parse(IDictionary <string, object> parameterDictionary, Expression expressionNode)
{
var sqlsb = new StringBuilder();
var newExp = expressionNode as NewExpression;
if (_convertPropertyNameToDbName)
{
foreach (var memberAccessItem in newExp.Arguments)
{
var memberAccessNode = SqlDbQueryExpressionFactory.GetNodeParser(memberAccessItem, ModelStrategy);
if (sqlsb.Length == 0)
{
sqlsb.Append(memberAccessNode.Parse(parameterDictionary, memberAccessItem));
}
else
{
sqlsb.Append(", ");
sqlsb.Append(memberAccessNode.Parse(parameterDictionary, memberAccessItem));
}
}
}
else
{
foreach (var memberAccessItem in newExp.Arguments)
{
SqlDbQueryExpressionNode memberAccessNode = new SqlDbQueryMemberAccessExpressionNode();
memberAccessNode.ModelStrategy = ModelStrategy;
if (sqlsb.Length == 0)
{
sqlsb.Append(memberAccessNode.Parse(parameterDictionary, memberAccessItem));
}
else
{
sqlsb.Append(", ");
sqlsb.Append(memberAccessNode.Parse(parameterDictionary, memberAccessItem));
}
}
}
return(sqlsb.ToString());
}
public static IDbQueryExpressionNode GetNodeParser(Expression expression, IDbModelStrategy modelStrategy)
{
SqlDbQueryExpressionNode expressionNode = null;
switch (expression.NodeType)
{
case ExpressionType.NotEqual:
expressionNode = new SqlDbQueryNotEqualExpressionNode();
break;
case ExpressionType.Not:
expressionNode = new SqlDbQueryNotExpressionNode();
break;
case ExpressionType.Equal:
expressionNode = new SqlDbQueryEqualExpressionNode();
break;
case ExpressionType.GreaterThan:
case ExpressionType.GreaterThanOrEqual:
expressionNode = new SqlDbQueryGreaterThanExpressionNode();
break;
case ExpressionType.LessThan:
case ExpressionType.LessThanOrEqual:
expressionNode = new SqlDbQueryLessThanExpressionNode();
break;
case ExpressionType.Add:
case ExpressionType.AddChecked:
expressionNode = new SqlDbQueryAddExpressionNode();
break;
case ExpressionType.Subtract:
case ExpressionType.SubtractChecked:
expressionNode = new SqlDbQuerySubstractExpressionNode();
break;
case ExpressionType.Multiply:
case ExpressionType.MultiplyChecked:
expressionNode = new SqlDbQueryMultiplyExpressionNode();
break;
case ExpressionType.Divide:
expressionNode = new SqlDbQueryDivideExpressionNode();
break;
case ExpressionType.MemberAccess:
expressionNode = new SqlDbQueryMemberAccessExpressionNode();
break;
case ExpressionType.AndAlso:
expressionNode = new SqlDbQueryAndAlsoExpressionNode();
break;
case ExpressionType.OrElse:
expressionNode = new SqlDbQueryOrElseExpressionNode();
break;
case ExpressionType.Constant:
expressionNode = new SqlDbQueryConstantExpressionNode();
break;
case ExpressionType.Call:
expressionNode = new SqlDbQueryCallExpressionNode();
break;
case ExpressionType.Parameter:
expressionNode = new SqlDbQueryParameterExpressionNode();
break;
case ExpressionType.Convert:
expressionNode = new SqlDbQueryConvertExpressionNode();
break;
default:
throw new NotSupportedException("ERROR_GIVEN_QUERY_EXPRESSION_TYPE_NOT_SUPPORTED");
}
expressionNode.ModelStrategy = modelStrategy;
return(expressionNode);
}
