/// <summary>
/// Builds a new <see cref="RequestScope"/> and the <see cref="IDbCommand"/> text to execute.
/// </summary>
/// <param name="mappedStatement">The <see cref="IMappedStatement"/>.</param>
/// <param name="parameterObject">The parameter object (used by DynamicSql/SimpleDynamicSql).
/// Use to complete the sql statement.</param>
/// <param name="session">The current session</param>
/// <returns>A new <see cref="RequestScope"/>.</returns>
public RequestScope GetRequestScope(IMappedStatement mappedStatement, object parameterObject, ISession session)
{
RequestScope request = new RequestScope(dataExchangeFactory, session, statement);
string sqlCommandText = statement.SqlSource.GetSql(mappedStatement, parameterObject);
string newSqlCommandText = string.Empty;
if (request.ParameterMap==null)
{
request.ParameterMap = inlineParemeterMapBuilder.BuildInlineParemeterMap(statement, sqlCommandText, out newSqlCommandText);
}
// Processes $substitutions$ after DynamicSql
if (SimpleDynamicSql.IsSimpleDynamicSql(newSqlCommandText))
{
newSqlCommandText = new SimpleDynamicSql(
dataExchangeFactory,
dbHelperParameterCache,
newSqlCommandText,
statement).GetSql(parameterObject);
}
request.PreparedStatement = BuildPreparedStatement(session, request, newSqlCommandText);
return request;
}
/// <summary>
/// 完成动态SQL语句中子语句的拼接 和 参数信息的取出
/// </summary>
/// <param name="request"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
private string Process(RequestScope request, object parameterObject)
{
SqlTagContext ctx = new SqlTagContext();
IList<ISqlChild> localChildren = children;
ProcessBodyChildren(request, ctx, parameterObject, localChildren);
#region 所有参数对应的属性类的集合信息放入到ParameterMap中
// Builds a 'dynamic' ParameterMap
ParameterMap parameterMap = new ParameterMap(
statement.Id + "-InlineParameterMap",
statement.ParameterClass.FullName,
string.Empty,
statement.ParameterClass,
dataExchangeFactory.GetDataExchangeForClass(null),
usePositionalParameters);
// Adds 'dynamic' ParameterProperty
IList parameters = ctx.GetParameterMappings();
int count = parameters.Count;
for (int i = 0; i < count; i++)
{
parameterMap.AddParameterProperty((ParameterProperty)parameters[i]);
}
request.ParameterMap = parameterMap;
#endregion
#region 完整的SQL语句
string dynSql = ctx.BodyText;
if (statement is Procedure)
{
dynSql = dynSql.Replace(MARK_TOKEN, string.Empty).Replace(COMMA_TOKEN, string.Empty).Trim();
}
// Processes $substitutions$ after DynamicSql
if (SimpleDynamicSql.IsSimpleDynamicSql(dynSql))
{
dynSql = new SimpleDynamicSql(
dataExchangeFactory,
dbHelperParameterCache,
dynSql,
statement).GetSql(parameterObject);
}
#endregion
return dynSql;
}
/// <summary>
///
/// </summary>
/// <param name="request"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
private string Process(RequestScope request, object parameterObject)
{
SqlTagContext ctx = new SqlTagContext();
IList<ISqlChild> localChildren = children;
ProcessBodyChildren(request, ctx, parameterObject, localChildren);
// Builds a 'dynamic' ParameterMap
ParameterMap parameterMap = new ParameterMap(
statement.Id + "-InlineParameterMap",
statement.ParameterClass.FullName,
string.Empty,
statement.ParameterClass,
dataExchangeFactory.GetDataExchangeForClass(null),
usePositionalParameters);
// Adds 'dynamic' ParameterProperty
var parameters = ctx.GetParameterMappings();
parameterMap.AddParameterProperties(parameters);
request.ParameterMap = parameterMap;
string dynSql = ctx.BodyText;
if (statement is Procedure)
{
dynSql = dynSql.Replace(MARK_TOKEN, string.Empty).Replace(COMMA_TOKEN, string.Empty).Trim();
}
// Processes $substitutions$ after DynamicSql
if (SimpleDynamicSql.IsSimpleDynamicSql(dynSql))
{
dynSql = new SimpleDynamicSql(
dataExchangeFactory,
dbHelperParameterCache,
dynSql,
statement).GetSql(parameterObject);
}
return dynSql;
}
