public virtual IClassMap GetRootClassMap(string npath, IDomainMap domainMap)
{
NPathParser parser = new NPathParser() ;
NPathSelectQuery query = parser.ParseSelectQuery(npath) ;
string className = ((NPathClassName)query.From.Classes[0]).Name;
IClassMap rootClassMap = domainMap.MustGetClassMap(className);
return rootClassMap;
}
public virtual NPathQueryType GetNPathQueryType(string npath)
{
NPathQueryType npathQueryType = NPathQueryType.SelectObjects;
try
{
NPathParser parser = new NPathParser() ;
NPathSelectQuery query = parser.ParseSelectQuery(npath) ;
npathQueryType = GetNPathQueryType(query);
}
catch
{
npathQueryType = NPathQueryType.SelectObjects;
}
return npathQueryType;
}
protected virtual NPathSelectQuery Parse(string npathQuery, IList parameters)
{
NPathParser parser = new NPathParser();
return(parser.ParseSelectQuery(npathQuery, parameters));
}
protected virtual NPathSelectQuery Parse(string npathQuery)
{
NPathParser parser = new NPathParser();
return(parser.ParseSelectQuery(npathQuery, new ArrayList()));
}
public virtual string ToScalarSql(string npath, Type type, ref IList outParameters, IList inParameters)
{
NPathParser parser = new NPathParser() ;
NPathSelectQuery query = parser.ParseSelectQuery(npath, inParameters) ;
IClassMap rootClassMap = this.Context.DomainMap.MustGetClassMap(type);
this.ResultParameters = new ArrayList();
SqlEmitter sqlEmitter = new SqlEmitter(this, query,NPathQueryType.SelectScalar, rootClassMap);
string sql = sqlEmitter.EmitSql();
outParameters = sqlEmitter.ResultParameters;
return sql;
}
protected virtual NPathSelectQuery Parse(string npathQuery, IList parameters)
{
NPathParser parser = new NPathParser();
return parser.ParseSelectQuery(npathQuery, parameters);
}
protected virtual NPathSelectQuery Parse(string npathQuery)
{
NPathParser parser = new NPathParser();
return parser.ParseSelectQuery(npathQuery, new ArrayList());
}
private SqlExpression EvalMethodCall (NPathMethodCall methodCall)
{
if (methodCall.MethodName == "Count" && methodCall.Parameters.Count == 0)
{
string npath = string.Format("select count(*) from {0}",methodCall.PropertyPath.Path);
NPathParser parser = new NPathParser() ;
NPathSelectQuery query = parser.ParseSelectQuery(npath) ;
NPathParenthesisGroup pg = new NPathParenthesisGroup() ;
pg.IsNegative = methodCall.PropertyPath.IsNegative;
pg.Expression = query;
return EvalExpression (pg);
}
throw new IAmOpenSourcePleaseImplementMeException (string.Format("Method calls to '{0}' is not yet implemented",methodCall.MethodName));
}
