public static DataEntity <DataElement> GetDynamicEntityBy(this DataRow dataRow)
{
DataEntity <DataElement> dataElements = new DataEntity <DataElement>();
if (null == dataRow)
{
return(dataElements);
}
foreach (DataColumn dc in dataRow.Table.Columns)
{
dataElements.Add(dc.ColumnName, dataRow[dc.ColumnName]);
}
return(dataElements);
}
public static List <DataEntity <DataElement> > GetDynamicEntitiesBy(this DataTable dataTable)
{
List <DataEntity <DataElement> > dataElements = new List <DataEntity <DataElement> >();
if (null == dataTable)
{
return(dataElements);
}
DataEntity <DataElement> dataElements1 = null;
foreach (DataRow item in dataTable.Rows)
{
dataElements1 = item.GetDynamicEntityBy();
dataElements.Add(dataElements1);
}
return(dataElements);
}
void dynamicWhere(MethodInformation method, ref string sql)
{
if (string.IsNullOrEmpty(sql))
{
return;
}
if (null == method.paraList)
{
return;
}
if (0 == method.paraList.Count)
{
return;
}
Para para = method.paraList[0];
DataEntity <DataElement> dataElements = para.ParaValue as DataEntity <DataElement>;
if (null == dataElements)
{
return;
}
Regex rg = new Regex(@"\swhere\s+\{" + para.ParaName + @"\}", RegexOptions.IgnoreCase);
if (!rg.IsMatch(sql))
{
return;
}
string whereStr = getDynamicWhere(method, dataElements);
whereStr = string.IsNullOrEmpty(whereStr) ? "1=1" : whereStr;
whereStr = " where " + whereStr;
sql = sql.Replace(rg.Match(sql).Groups[0].Value, whereStr);
}
public IEnumeratorImpl(DataEntity <TT> dataEntity)
{
this.dataEntity = dataEntity;
}
object dataTableTo(MethodInformation method, DataTable dt, Type paraType)
{
object result = null;
if (null == dt)
{
return(result);
}
if (0 == dt.Rows.Count)
{
return(result);
}
object v = null;
if (DJTools.IsBaseType(paraType))
{
v = dt.Rows[0][0];
v = DJTools.ConvertTo(v, paraType);
}
else if (typeof(DataEntity <DataElement>) == paraType)
{
DataEntity <DataElement> dataElements = new DataEntity <DataElement>();
DataRow dr = dt.Rows[0];
DataColumnCollection columns = dt.Columns;
foreach (DataColumn item in columns)
{
if ((method.methodComponent.IsAsync || method.methodComponent.EnabledBuffer) &&
0 < method.methodComponent.Interval)
{
Thread.Sleep(method.methodComponent.Interval);
}
v = dr[item.ColumnName];
dataElements.Add(item.ColumnName, v);
}
v = dataElements;
}
else if (typeof(List <DataEntity <DataElement> >) == paraType || typeof(IList <DataEntity <DataElement> >) == paraType)
{
List <DataEntity <DataElement> > dataElements = new List <DataEntity <DataElement> >();
DataEntity <DataElement> dataElements1 = null;
DataColumnCollection columns = dt.Columns;
foreach (DataRow dr in dt.Rows)
{
if ((method.methodComponent.IsAsync || method.methodComponent.EnabledBuffer) &&
0 < method.methodComponent.Interval)
{
Thread.Sleep(method.methodComponent.Interval);
}
dataElements1 = new DataEntity <DataElement>();
foreach (DataColumn dc in columns)
{
if ((method.methodComponent.IsAsync || method.methodComponent.EnabledBuffer) &&
0 < method.methodComponent.Interval)
{
Thread.Sleep(method.methodComponent.Interval);
}
v = dr[dc.ColumnName];
dataElements1.Add(dc.ColumnName, v);
}
dataElements.Add(dataElements1);
}
v = dataElements;
}
else if (typeof(DataTable) == paraType)
{
v = dt;
}
else if (typeof(DataSet) == paraType)
{
v = new DataSet();
((DataSet)v).Tables.Add(dt);
}
else if (typeof(Collections.IEnumerable) == paraType.GetInterface("IEnumerable") && typeof(string) != paraType)
{
if (typeof(IList) == paraType.GetInterface("IList") || typeof(Array) == paraType.BaseType)
{
if (paraType.BaseType == typeof(Array))
{
v = createArrayByType(paraType, dt.Rows.Count);
arrayAdd(method, v, dt);
}
else
{
v = createListByType(paraType);
listAdd(method, v, dt);
}
}
else
{
//Dictionary
}
}
else
{
v = Activator.CreateInstance(paraType);
DataRowToEntity(method, dt.Rows[0], v);
}
if (null != v)
{
result = v;
}
return(result);
}
DbList <DbParameter> GetDbParameters(MethodInformation method, DataEntity <DataElement> dataElements, string sql)
{
DbList <DbParameter> dbParameters = new DbList <DbParameter>();
if (string.IsNullOrEmpty(sql))
{
return(dbParameters);
}
if (null == dataElements)
{
return(dbParameters);
}
string msg = "";
Regex rg = DynamicCodeChange.rgParaField;
if (rg.IsMatch(sql) && 0 < method.paraList.Count)
{
if (null == method.paraList[0].ParaValue)
{
msg = "The parameter value cann't be null.";
((AutoCall)method.AutoCall).e(msg);
throw new Exception(msg);
}
string LeftSign = "";
string DbTag = "";
string FieldName = "";
string EndSign = "";
object v = null;
string sql1 = sql;
Match m = null;
int num = 0;
//DataEntity<DataElement> dataElements = (DataEntity<DataElement>)method.paraList[0].ParaValue;
MatchCollection mc = rg.Matches(sql);
while (rg.IsMatch(sql1) && 1000 > num)
{
if ((method.methodComponent.IsAsync || method.methodComponent.EnabledBuffer) &&
0 < method.methodComponent.Interval)
{
Thread.Sleep(method.methodComponent.Interval);
}
m = rg.Match(sql1);
LeftSign = m.Groups["LeftSign"].Value;
if (!DynamicCodeChange.isEnabledField(LeftSign))
{
continue;
}
DbTag = m.Groups["DbTag"].Value;
FieldName = m.Groups["FieldName"].Value;
EndSign = m.Groups["EndSign"].Value;
v = dataElements[FieldName].value;
dbParameters.Add(FieldName, v);
sql1 = sql1.Replace(m.Groups[0].Value, "");
sql1 = EndSign + sql1;
num++;
}
}
return(dbParameters);
}
string getDynamicWhere(MethodInformation method, DataEntity <DataElement> dataElements)
{
string sWhere = "";
string sWhere1 = "";
string sVal = "";
bool mbool = false;
foreach (var item in dataElements)
{
if ((method.methodComponent.IsAsync || method.methodComponent.EnabledBuffer) &&
0 < method.methodComponent.Interval)
{
Thread.Sleep(method.methodComponent.Interval);
}
if (!string.IsNullOrEmpty(item.fieldNameOfSourceTable))
{
mbool = true;
if (null != item.IsEnabledContion)
{
if (!item.IsEnabledContion(item))
{
mbool = false;
}
}
if (mbool)
{
if (!string.IsNullOrEmpty(sWhere))
{
sWhere += " " + Enum.GetName(typeof(AndOr), item.logicUnion) + " ";
}
sVal = item.ToString();
if (item.compareSign.ToLower().Contains("like"))
{
if (db_dialect.oracle == DataAdapter.dbDialect)
{
sWhere += "0<instr(" + item.fieldNameOfSourceTable + ",'" + sVal + "')";
}
else
{
sVal = "'%" + sVal + "%'";
sWhere += item.fieldNameOfSourceTable + " " + item.compareSign + " " + sVal;
}
}
else
{
if (item.valueIsChar)
{
sVal = "'" + sVal + "'";
}
sWhere += item.fieldNameOfSourceTable + " " + item.compareSign + " " + sVal;
}
}
}
if (0 < item.groupCondition.Count)
{
sWhere1 = getDynamicWhere(method, item.groupCondition);
if (!string.IsNullOrEmpty(sWhere1))
{
if (!string.IsNullOrEmpty(sWhere))
{
sWhere += " " + Enum.GetName(typeof(AndOr), item.groupLogicUnion) + " (" + sWhere1 + ")";
}
else
{
sWhere = "(" + sWhere1 + ")";
}
}
}
}
return(sWhere);
}
public T Exec <T>(MethodInformation method, DataOptType dataOptType, Action <T> action, string sql)
{
T result = default(T);
AutoCall autoCall = (AutoCall)method.AutoCall;
dynamicWhere(method, ref sql);
IList <DataEntity <DataElement> > dataElements = null;
DataEntity <DataElement> dataElements1 = null;
DbList <DbParameter> dbParameters = null;
if (0 < method.paraList.Count)
{
foreach (Para item in method.paraList)
{
if (null != item.ParaValue)
{
if (null != item.ParaValue as IList <DataEntity <DataElement> > )
{
dataElements = item.ParaValue as IList <DataEntity <DataElement> >;
break;
}
else if (null != item.ParaValue as DataEntity <DataElement> )
{
dataElements = new List <DataEntity <DataElement> >();
dataElements1 = item.ParaValue as DataEntity <DataElement>;
dataElements.Add(dataElements1);
break;
}
}
}
}
if (null == dataElements)
{
dataElements = new List <DataEntity <DataElement> >();
}
string err = "";
bool EnabledBuffer = method.methodComponent.EnabledBuffer;
EnabledBuffer = method.methodComponent.IsAsync ? true : EnabledBuffer;
if (DataOptType.select == dataOptType ||
DataOptType.count == dataOptType ||
DataOptType.procedure == dataOptType)
{
if (0 < dataElements.Count)
{
dataElements1 = dataElements[0];
}
dbParameters = GetDbParameters(method, dataElements1, sql);
GetSqlByProvider(method, dbParameters, ref sql);
dbHelper.query(autoCall, sql, dbParameters, EnabledBuffer, (dt) =>
{
DynamicCodeAutoCall dynamicCodeAutoCall = new DynamicCodeAutoCall();
string execClassPath = "";
string execMethodName = "";
bool paraExsit = false;
Type returnType = dynamicCodeAutoCall.GetParaTypeOfResultExecMethod(method, ref execClassPath, ref execMethodName, ref paraExsit);
if (paraExsit)
{
Type resultExecMethodType = execClassPath.GetClassTypeByPath();
if (null == resultExecMethodType)
{
err = "The ClassPath '" + execClassPath + "' is not exist.";
autoCall.e(err, ErrorLevels.dangerous);
throw new Exception(err);
}
object clsObj = null;
MethodInfo methodInfo = resultExecMethodType.GetMethod(execMethodName);
if (null != methodInfo)
{
if (methodInfo.ReturnType != typeof(T))
{
err = "";
string msg = "The return value type of the method '{0}' of the class '{1}' and the method '{2}' of the interface '{3}' are not the same.";
method.append(ref err, 0, msg, execMethodName, execClassPath, method.methodInfo.Name, method.methodInfo.DeclaringType.FullName);
autoCall.e(err, ErrorLevels.dangerous);
throw new Exception(err);
}
object vData = dataTableTo(method, dt, returnType);
try
{
clsObj = Activator.CreateInstance(resultExecMethodType);
result = (T)methodInfo.Invoke(clsObj, new object[] { vData });
}
catch (Exception ex)
{
autoCall.e(ex.ToString(), ErrorLevels.dangerous);
//throw;
}
}
}
else
{
result = dataTableTo <T>(method, dt);
}
if (null != action)
{
action(result);
}
}, ref err);
}
else
{
int n = 0;
Func <int, T> funcResult = n1 =>
{
object v = n1;
if (typeof(bool) == typeof(T))
{
v = 0 < n1;
}
return((T)v);
};
foreach (DataEntity <DataElement> item in dataElements)
{
dbParameters = GetDbParameters(method, item, sql);
switch (dataOptType)
{
case DataOptType.insert:
dbHelper.insert(autoCall, sql, dbParameters, EnabledBuffer, (num) =>
{
n += num;
result = funcResult(n);
if (null != action)
{
action(result);
}
}, ref err);
break;
case DataOptType.update:
dbHelper.update(autoCall, sql, dbParameters, EnabledBuffer, (num) =>
{
n += num;
result = funcResult(n);
if (null != action)
{
action(result);
}
}, ref err);
break;
case DataOptType.delete:
dbHelper.delete(autoCall, sql, dbParameters, EnabledBuffer, (num) =>
{
n += num;
result = funcResult(n);
if (null != action)
{
action(result);
}
}, ref err);
break;
}
}
result = funcResult(n);
}
return(result);
}
