public static int ConditionExecuteNonQuery(Command JudgeCommand, IEnumerable <Command> DefaultCommands, IEnumerable <Command> SubCommands, Transaction trans)
{
Debug.Assert(JudgeCommand != null, "DbProvider.ConditionExecuteNonQuery: JudgeCommand Cannot be NULL");
if (JudgeCommand == null)
{
return(-1);
}
try
{
if (JudgeCommand.ExecuteScalar(trans) != null && DefaultCommands != null)
{
return(Extension.ExecuteNonQuery(DefaultCommands, trans));
}
else if (SubCommands != null)
{
return(Extension.ExecuteNonQuery(SubCommands, trans));
}
else
{
return(-1);
}
}
catch (Exception e)
{
#if DEBUG
CommandException ce = new CommandException("ConditionExecuteNonQuery", JudgeCommand, e);
Debug.WriteLine(ce);
throw ce;
#endif
}
return(-1);
}
public static int ExecuteNonQuery(this IEnumerable<Command> cmds, Transaction trans)
{
Debug.Assert(cmds != null, "IEnumerable<Command>.ExecuteNonQuery: cmds Cannot be NULL");
if (cmds == null)
return -1;
DbConnection conn = null;
DbTransaction _trans = null;
Command _cmd = null;
try
{
if (trans != null)
{
conn = trans.CurrentConnection.OriConnection;
_trans = trans.CurrentTransaction;
}
else
{
conn = DbProvider.Current.CreateConnection();
conn.Open();
_trans = conn.BeginTransaction();
}
int res = 0;
foreach (Command cmd in cmds)
{
_cmd = cmd;
res = cmd.AsCommonCommand(conn, _trans).ExecuteNonQuery();
}
if (trans == null)
_trans.Commit();
return res;
}
catch (Exception e)
{
#if DEBUG
CommandException ce = new CommandException("ExecuteNonQuery", _cmd, e);
Debug.WriteLine(ce);
throw ce;
#endif
try
{
if (trans == null)
trans.Rollback();
else
trans.success = false;
}
catch (Exception ex)
{
#if DEBUG
CommandException ce2 = new CommandException("ExecuteNonQuery", _cmd, ex);
Debug.WriteLine(ce2);
throw ce2;
#endif
}
return -1;
}
finally
{
try
{
if (trans == null)
conn.Close();
}
catch (Exception e)
{
#if DEBUG
CommandException ce = new CommandException("ExecuteNonQuery", _cmd, e);
Debug.WriteLine(ce);
throw ce;
#endif
}
}
}
public Object ExecuteScalar(Transaction trans)
{
DbConnection conn = null;
bool err = false;
try
{
DbCommand cmd;
if (trans != null)
{
cmd = this.AsCommonCommand(trans.CurrentConnection.OriConnection, trans.CurrentTransaction);
}
else
{
conn = DbProvider.Current.CreateConnection();
conn.Open();
cmd = this.AsCommonCommand(conn, null);
}
return(cmd.ExecuteScalar());
}
catch (Exception e)
{
err = true;
if (trans != null)
{
trans.success = false;
}
#if DEBUG
CommandException ce = new CommandException("ExecuteScalar", this, e);
Debug.WriteLine(ce);
throw ce;
#endif
return(null);
}
finally
{
try
{
if (trans == null)
{
conn.Close();
}
}
catch (Exception e)
{
if (trans != null)
{
trans.success = false;
}
#if DEBUG
if (!err)
{
CommandException ce = new CommandException("ExecuteScalar", this, e);
Debug.WriteLine(ce);
throw ce;
}
#endif
}
}
}
public bool ExecuteReader(DBReaderDelegate func, Transaction trans)
{
Debug.Assert(func != null, "DBReaderDelegate Cannot be NULL");
DbConnection conn = null;
DbDataReader r = null;
bool err = false;
try
{
DbCommand cmd;
if (trans != null)
{
cmd = this.AsCommonCommand(trans.CurrentConnection.OriConnection, trans.CurrentTransaction);
}
else
{
conn = DbProvider.Current.CreateConnection();
conn.Open();
cmd = this.AsCommonCommand(conn, null);
}
r = cmd.ExecuteReader();
while (r.Read() && func(r))
{
;
}
return(true);
}
catch (Exception e)
{
err = true;
if (trans != null)
{
trans.success = false;
}
#if DEBUG
CommandException ce = new CommandException("ExecuteReader", this, e);
Debug.WriteLine(ce);
throw ce;
#endif
return(false);
}
finally
{
try
{
r.Close();
}
catch (Exception e)
{
if (trans != null)
{
trans.success = false;
}
#if DEBUG
if (!err)
{
CommandException ce = new CommandException("ExecuteReader", this, e);
Debug.WriteLine(ce);
throw ce;
}
#endif
}
try
{
if (trans == null)
{
conn.Close();
}
}
catch (Exception e)
{
if (trans != null)
{
trans.success = false;
}
#if DEBUG
if (!err)
{
CommandException ce = new CommandException("ExecuteReader", this, e);
Debug.WriteLine(ce);
throw ce;
}
#endif
}
}
}
public NameValueList[] Execute(Transaction trans)
{
DbConnection conn = null;
DbDataReader r = null;
bool err = false;
try
{
DbCommand cmd;
if (trans != null)
{
cmd = this.AsCommonCommand(trans.CurrentConnection.OriConnection, trans.CurrentTransaction);
}
else
{
conn = DbProvider.Current.CreateConnection();
conn.Open();
cmd = this.AsCommonCommand(conn, null);
}
r = cmd.ExecuteReader();
List <NameValueList> res = new List <NameValueList>();
List <string> keys = new List <string>();
while (r.Read())
{
NameValueList data = new NameValueList();
for (int i = 0; i < r.FieldCount; i++)
{
if (res.Count == 0)
{
keys.Add(r.GetName(i));
}
data.Add(keys[i], r.GetValue(i));
}
res.Add(data);
}
r.Close();
return(res.ToArray());
}
catch (Exception e)
{
err = true;
if (trans != null)
{
trans.success = false;
}
#if DEBUG
CommandException ce = new CommandException("Execute", this, e);
Debug.WriteLine(ce);
throw ce;
#endif
return(new NameValueList[] { });
}
finally
{
try
{
r.Close();
}
catch (Exception e)
{
if (trans != null)
{
trans.success = false;
}
#if DEBUG
if (!err)
{
CommandException ce = new CommandException("Execute", this, e);
Debug.WriteLine(ce);
throw ce;
}
#endif
}
try
{
if (trans == null)
{
conn.Close();
}
}
catch (Exception e)
{
if (trans != null)
{
trans.success = false;
}
#if DEBUG
if (!err)
{
CommandException ce = new CommandException("Execute", this, e);
Debug.WriteLine(ce);
throw ce;
}
#endif
}
}
}
public static int ExecuteNonQuery(this IEnumerable <Command> cmds, Transaction trans)
{
Debug.Assert(cmds != null, "IEnumerable<Command>.ExecuteNonQuery: cmds Cannot be NULL");
if (cmds == null)
{
return(-1);
}
DbConnection conn = null;
DbTransaction _trans = null;
Command _cmd = null;
try
{
if (trans != null)
{
conn = trans.CurrentConnection.OriConnection;
_trans = trans.CurrentTransaction;
}
else
{
conn = DbProvider.Current.CreateConnection();
conn.Open();
_trans = conn.BeginTransaction();
}
int res = 0;
foreach (Command cmd in cmds)
{
_cmd = cmd;
res = cmd.AsCommonCommand(conn, _trans).ExecuteNonQuery();
}
if (trans == null)
{
_trans.Commit();
}
return(res);
}
catch (Exception e)
{
#if DEBUG
CommandException ce = new CommandException("ExecuteNonQuery", _cmd, e);
Debug.WriteLine(ce);
throw ce;
#endif
try
{
if (trans == null)
{
trans.Rollback();
}
else
{
trans.success = false;
}
}
catch (Exception ex)
{
#if DEBUG
CommandException ce2 = new CommandException("ExecuteNonQuery", _cmd, ex);
Debug.WriteLine(ce2);
throw ce2;
#endif
}
return(-1);
}
finally
{
try
{
if (trans == null)
{
conn.Close();
}
}
catch (Exception e)
{
#if DEBUG
CommandException ce = new CommandException("ExecuteNonQuery", _cmd, e);
Debug.WriteLine(ce);
throw ce;
#endif
}
}
}
public int ExecuteNonQuery(Transaction trans)
{
DbConnection conn = null;
bool err = false;
try
{
DbCommand cmd;
if (trans != null)
cmd = this.AsCommonCommand(trans.CurrentConnection.OriConnection, trans.CurrentTransaction);
else
{
conn = DbProvider.Current.CreateConnection();
conn.Open();
cmd = this.AsCommonCommand(conn, null);
}
return cmd.ExecuteNonQuery();
}
catch (Exception e)
{
err = true;
if (trans != null)
trans.success = false;
#if DEBUG
CommandException ce = new CommandException("ExecuteNonQuery", this, e);
Debug.WriteLine(ce);
throw ce;
#endif
return -1;
}
finally
{
try
{
if (trans == null)
conn.Close();
}
catch (Exception e)
{
if (trans != null)
trans.success = false;
#if DEBUG
if (!err)
{
CommandException ce = new CommandException("ExecuteNonQuery", this, e);
Debug.WriteLine(ce);
throw ce;
}
#endif
}
}
}
public bool ExecuteReader(DBReaderDelegate func, Transaction trans)
{
Debug.Assert(func != null, "DBReaderDelegate Cannot be NULL");
DbConnection conn = null;
DbDataReader r = null;
bool err = false;
try
{
DbCommand cmd;
if (trans != null)
cmd = this.AsCommonCommand(trans.CurrentConnection.OriConnection, trans.CurrentTransaction);
else
{
conn = DbProvider.Current.CreateConnection();
conn.Open();
cmd = this.AsCommonCommand(conn, null);
}
r = cmd.ExecuteReader();
while (r.Read() && func(r)) ;
return true;
}
catch (Exception e)
{
err = true;
if (trans != null)
trans.success = false;
#if DEBUG
CommandException ce = new CommandException("ExecuteReader", this, e);
Debug.WriteLine(ce);
throw ce;
#endif
return false;
}
finally
{
try
{
r.Close();
}
catch (Exception e)
{
if (trans != null)
trans.success = false;
#if DEBUG
if (!err)
{
CommandException ce = new CommandException("ExecuteReader", this, e);
Debug.WriteLine(ce);
throw ce;
}
#endif
}
try
{
if (trans == null)
conn.Close();
}
catch (Exception e)
{
if (trans != null)
trans.success = false;
#if DEBUG
if (!err)
{
CommandException ce = new CommandException("ExecuteReader", this, e);
Debug.WriteLine(ce);
throw ce;
}
#endif
}
}
}
public NameValueList[] Execute(Transaction trans)
{
DbConnection conn = null;
DbDataReader r = null;
bool err = false;
try
{
DbCommand cmd;
if (trans != null)
cmd = this.AsCommonCommand(trans.CurrentConnection.OriConnection, trans.CurrentTransaction);
else
{
conn = DbProvider.Current.CreateConnection();
conn.Open();
cmd = this.AsCommonCommand(conn, null);
}
r = cmd.ExecuteReader();
List<NameValueList> res = new List<NameValueList>();
List<string> keys = new List<string>();
while (r.Read())
{
NameValueList data = new NameValueList();
for (int i = 0; i < r.FieldCount; i++)
{
if (res.Count == 0)
keys.Add(r.GetName(i));
data.Add(keys[i], r.GetValue(i));
}
res.Add(data);
}
r.Close();
return res.ToArray();
}
catch (Exception e)
{
err = true;
if (trans != null)
trans.success = false;
#if DEBUG
CommandException ce = new CommandException("Execute", this, e);
Debug.WriteLine(ce);
throw ce;
#endif
return new NameValueList[] { };
}
finally
{
try
{
r.Close();
}
catch (Exception e)
{
if (trans != null)
trans.success = false;
#if DEBUG
if (!err)
{
CommandException ce = new CommandException("Execute", this, e);
Debug.WriteLine(ce);
throw ce;
}
#endif
}
try
{
if (trans == null)
conn.Close();
}
catch (Exception e)
{
if (trans != null)
trans.success = false;
#if DEBUG
if (!err)
{
CommandException ce = new CommandException("Execute", this, e);
Debug.WriteLine(ce);
throw ce;
}
#endif
}
}
}
