public virtual EntityMap <T> AddParameter(DataMemberMap DataMemberMap)
{
DbParameter parameter = this._command.CreateParameter();
string ParameterName = string.Format("@{0}", DataMemberMap.ParameterName);
parameter.ParameterName = ParameterName;
parameter.Value = DataMemberMap.DataValue;
this._command.Parameters.Add(parameter);
return(this);
}
public static void AppendMember(this List <IDataMemberMap> DataMemberMapSet, MemberDataMap MemberDataMap, EntityMemberMap EntityMemberMap)
{
DataMemberMap DataMemberMap = new DataMemberMap()
{
ParameterName = MemberDataMap.DataFieldName + Guid.NewGuid().ToString("N"),
DataFieldName = MemberDataMap.DataFieldName,
DataValue = EntityMemberMap.MemberValue,
Operator = EntityMemberMap.Operator,
LogicSymbol = EntityMemberMap.LogicSymbol
};
DataMemberMapSet.Add(DataMemberMap);
}
protected string ParseWhereByParam(IDataMemberMap tmap)
{
if (tmap is DataMemberMap)
{
DataMemberMap map = tmap as DataMemberMap;
string logicSymbol = "";
switch (map.LogicSymbol)
{
case EntityRequest.LogicSymbol.And:
logicSymbol = " AND ";
break;
case EntityRequest.LogicSymbol.Or:
logicSymbol = " OR ";
break;
}
switch (map.Operator)
{
case EntityRequest.Operator.Than:
return(string.Format(" {1} {0}>@{2} ", map.DataFieldName, logicSymbol, map.ParameterName));
case EntityRequest.Operator.Lessthan:
return(string.Format(" {1} {0}<@{2} ", map.DataFieldName, logicSymbol, map.ParameterName));
case EntityRequest.Operator.LessthanAndEqual:
return(string.Format(" {1} {0}<=@{2} ", map.DataFieldName, logicSymbol, map.ParameterName));
case EntityRequest.Operator.ThanAndEqual:
return(string.Format(" {1} {0}>=@{2} ", map.DataFieldName, logicSymbol, map.ParameterName));
case EntityRequest.Operator.StartWith:
return(string.Format(" {1} PATINDEX(@{2}+'%',{0})>0 ", map.DataFieldName, logicSymbol, map.ParameterName));
case EntityRequest.Operator.EndWith:
return(string.Format(" {1} PATINDEX('%'+@{2},{0})>0 ", map.DataFieldName, logicSymbol, map.ParameterName));
case EntityRequest.Operator.Contain:
return(string.Format(" {1} PATINDEX('%'+@{2}+'%',{0})>0 ", map.DataFieldName, logicSymbol, map.ParameterName));
case EntityRequest.Operator.NotEqual:
return(string.Format(" {1} NOT {0}=@{2} ", map.DataFieldName, logicSymbol, map.ParameterName));
case EntityRequest.Operator.BitFlagContain:
return(string.Format(" {1} {0}&@{2}=@{2} ", map.DataFieldName, logicSymbol, map.ParameterName));
case EntityRequest.Operator.BitFlagNotContain:
return(string.Format(" {1} {0}&@{2}!=@{2} ", map.DataFieldName, logicSymbol, map.ParameterName));
default:
return(string.Format(" {1} {0}=@{2} ", map.DataFieldName, logicSymbol, map.ParameterName));
}
}
else if (tmap is LogicLinkMap)
{
LogicLinkMap lmap = tmap as LogicLinkMap;
string logicSymbol = "";
switch (lmap.LogicSymbol)
{
case EntityRequest.LogicSymbol.And:
logicSymbol = " AND ";
break;
case EntityRequest.LogicSymbol.Or:
logicSymbol = " OR ";
break;
}
switch (lmap.LogicLink)
{
case EntityRequest.LogicLink.LeftBracket:
return(logicSymbol + " ( 1=1");
case EntityRequest.LogicLink.RightBracket:
return(")");
}
}
return("");
}
