/// <summary>
/// Executes a DataReader using the CommandBehaviour.CloseConnection
/// </summary>
/// <param name="edt">Database provider dataType</param>
/// <param name="connection">Connection strings</param>
/// <param name="storedProcedureName">Name of the stored procedure</param>
/// <param name="iparams">Stored PRocedure Parameters</param>
/// <returns>Resulting IDataReader</returns>
public IDataReader ExecuteReader(DatabaseServer edt, string connection, string storedProcedureName, params IDataParameter[] iparams)
{
//ADO.NET objects are not disposed because of the CloseConnection CommandBehaviour.
IDataReader iread = null;
DbConnection icon = null;
DbCommand icmd = null;
DataFactory factory = new DataFactory();
factory.InitializeDbConnection(edt, ref icon);
icon.ConnectionString = connection;
factory.InitializeDbCommand(edt, ref icmd);
icmd.CommandType = CommandType.StoredProcedure;
icmd.Connection = icon;
icmd.CommandText = storedProcedureName;
icon.Open();
if (iparams != null)
{
for (int i = 0; i < iparams.Length; i++)
{
icmd.Parameters.Add(iparams[i]);
}
}
(new ExecutionEngineLogger()).LogContext(storedProcedureName);
icmd.Connection = icon;
iread = icmd.ExecuteReader(CommandBehavior.CloseConnection);
return(iread);
}
public ExecutionEngine(DatabaseServer database, string connectionString)
{
this.database = database;
this.connectionString = connectionString;
DataFactory factory = new DataFactory();
factory.InitializeDbConnection(database, ref connection);
factory.InitializeDbCommand(database, ref command);
this.command.Connection = this.connection;
this.connection.ConnectionString = this.connectionString;
this.connection.Open();
}
public ExecutionEngine()
{
this.database = Configuration.DatabaseServerType;
this.connectionString = Configuration.ConnectionString;
DataFactory factory = new DataFactory();
factory.InitializeDbConnection(Configuration.DatabaseServerType, ref connection);
factory.InitializeDbCommand(Configuration.DatabaseServerType, ref command);
this.command.Connection = connection;
this.connection.ConnectionString = connectionString;
this.connection.Open();
}
/// <summary>
/// ExecuteScalar method
/// </summary>
/// <param name="edt">Database provider dataType</param>
/// <param name="connectionString">Connection string</param>
/// <param name="queries">queries</param>
/// <param name="results">query results</param>
public void ExecuteScalar(DatabaseServer edt, string connectionString, List <ExecutionQuery> queries, out object[] results)
{
DbConnection icon = null;
DbCommand icmd = null;
object[] res = null;
DataFactory factory = new DataFactory();
try
{
res = new object[queries.Count];
factory.InitializeDbConnection(edt, ref icon);
factory.InitializeDbCommand(edt, ref icmd);
//log data
(new ExecutionEngineLogger()).LogContext(queries);
icon.ConnectionString = connectionString;
icmd.Connection = icon;
icon.Open();
for (int i = 0; i < queries.Count; i++)
{
icmd.Parameters.Clear();
if (queries[i].Parameters != null)
{
foreach (IDataParameter var in queries[i].Parameters)
{
icmd.Parameters.Add(var);
}
}
icmd.CommandType = CommandType.Text;
icmd.CommandText = queries[i].Query;
object result = icmd.ExecuteScalar();
res[i] = result;
}
results = res;
}
finally
{
DisposeObjects(ref icon, ref icmd);
}
}
public static int ExecuteNonQuery(DatabaseServer database, string connectionString, List <ExecutionQuery> listQueries, IsolationLevel isolationLevel)
{
DbConnection icon = null;
DbCommand icmd = null;
DbTransaction itrans = null;
int queriesExecuted = 0;
try
{
if (listQueries.Count == 1)
{
return(ExecuteNonQuery(database, connectionString, listQueries[0]));
}
DataFactory.InitializeDbConnection(database, ref icon);
DataFactory.InitializeDbCommand(database, ref icmd);
icmd.Connection = icon;
icon.ConnectionString = connectionString;
icon.Open();
itrans = icon.BeginTransaction(isolationLevel);
icmd.Transaction = itrans;
queriesExecuted = ExecuteNonQueryConstrained(database, ref icon, ref icmd, listQueries);
itrans.Commit();
return(queriesExecuted);
}
catch
{
if (itrans != null)
{
itrans.Rollback();
}
throw;
}
finally
{
DisposeObjects(ref icon, ref icmd);
}
}
/// <summary>
/// Executes a DataSet.
/// </summary>
/// <param name="edt">Database provider dataType</param>
/// <param name="connectionString">Connection string</param>
/// <param name="executableQuery">Query to be executed</param>
/// <returns>DataSet</returns>
public DataTable ExecuteDataTable(DatabaseServer edt, string connectionString, ExecutionQuery executableQuery)
{
DbConnection icon = null;
DbCommand icmd = null;
DataTable dset = null;
DbDataAdapter idap = null;
DataFactory factory = new DataFactory();
try
{
factory.InitializeDbConnection(edt, ref icon);
factory.InitializeDbCommand(edt, ref icmd);
factory.InitializeDbDataAdapter(edt, ref idap, icmd);
icmd.Connection = icon;
dset = new DataTable();
icon.ConnectionString = connectionString;
icmd.Parameters.Clear();
if (executableQuery.Parameters != null)
{
foreach (IDataParameter var in executableQuery.Parameters)
{
icmd.Parameters.Add(var);
}
}
icmd.CommandText = executableQuery.Query;
idap.SelectCommand = icmd;
//log the queries
(new ExecutionEngineLogger()).LogContext(executableQuery);
icon.Open();
idap.Fill(dset);
return(dset);
}
finally
{
DisposeObjects(ref icon, ref icmd);
}
}
/// <summary>
/// Executes a DataTable
/// </summary>
/// <param name="edt">Provider Type</param>
/// <param name="connectionString">Connection Strinng</param>
/// <param name="storedProcedure">Stored Procedure's name</param>
/// <param name="iparam">Stored Procedure Data Parameters</param>
/// <returns>DataSet</returns>
public DataTable ExecuteDataTable(DatabaseServer edt, string connectionString, string storedProcedure, params IDataParameter[] iparam)
{
DbConnection icon = null;
DbCommand icmd = null;
DataTable table = null;
DbDataAdapter idap = null;
DataFactory factory = new DataFactory();
try
{
factory.InitializeDbConnection(edt, ref icon);
factory.InitializeDbCommand(edt, ref icmd);
factory.InitializeDbDataAdapter(edt, ref idap, icmd);
icon.ConnectionString = connectionString;
icmd.Connection = icon;
icon.Open();
table = new DataTable();
if (iparam != null)
{
for (int i = 0; i < iparam.Length; i++)
{
icmd.Parameters.Add(iparam[i]);
}
}
//log the message
(new ExecutionEngineLogger()).LogContext(storedProcedure);
icmd.CommandType = CommandType.StoredProcedure;
icmd.CommandText = storedProcedure;
idap.SelectCommand = icmd;
idap.Fill(table);
return(table);
}
finally
{
DisposeObjects(ref icon, ref icmd);
}
}
/// <summary>
/// Executes a query
/// </summary>
/// <param name="database">Database server</param>
/// <param name="connectionString">The connection string</param>
/// <param name="storedProcedureName">Name of the stored procedure</param>
/// <param name="iparams">Array of Parameters</param>
/// <returns>Number of affected rows</returns>
//public int ExecuteNonQuery(string storedProcedureName, params IDataParameter[] iparams)
//{
// DbConnection icon = null;
// DbCommand icmd = null;
// DataFactory factory = new DataFactory();
// try
// {
// factory.InitializeDbConnection(database, ref icon);
// factory.InitializeDbCommand(database, ref icmd);
// icmd.Connection = icon;
// icon.ConnectionString = connectionString;
// icon.Open();
// icmd.CommandType = CommandType.StoredProcedure;
// if (iparams != null)
// {
// for (int i = 0; i < iparams.Length; i++)
// {
// icmd.Parameters.Add(iparams[i]);
// }
// }
// icmd.CommandText = storedProcedureName;
// //logs the message
// (new ExecutionEngineLogger()).LogContext(storedProcedureName);
// return icmd.ExecuteNonQuery();
// }
// finally
// {
// DisposeObjects(ref icon, ref icmd);
// }
//}
//public int ExecuteNonQuery(ExecutionQuery executionQuery)
//{
// DbConnection icon = null;
// DbCommand icmd = null;
// DataFactory factory = new DataFactory();
// try
// {
// factory.InitializeDbConnection(database, ref icon);
// factory.InitializeDbCommand(database, ref icmd);
// icmd.Connection = icon;
// icon.ConnectionString = connectionString;
// icmd.Parameters.Clear();
// if (executionQuery.Parameters != null)
// {
// foreach (IDataParameter var in executionQuery.Parameters)
// {
// icmd.Parameters.Add(var);
// }
// }
// icmd.CommandType = CommandType.Text;
// icmd.CommandText = executionQuery.Query;
// icon.Open();
// //log query
// (new ExecutionEngineLogger()).LogContext(executionQuery);
// return icmd.ExecuteNonQuery();
// }
// finally
// {
// DisposeObjects(ref icon, ref icmd);
// }
//}
/// <summary>
/// Executes multiple queries in a transaction.
/// </summary>
/// <param name="database">Database provider dataType</param>
/// <param name="connectionString">database connection string</param>
/// <param name="listQueries">List of queries to be executed</param>
/// <param name="isolationLevel">Transaction isolation level</param>
//public int ExecuteNonQuery(List<ExecutionQuery> listQueries, IsolationLevel isolationLevel)
//{
// DbConnection icon = null;
// DbCommand icmd = null;
// DbTransaction itrans = null;
// int queriesExecuted = 0;
// DataFactory factory = new DataFactory();
// try
// {
// if (listQueries.Count == 1)
// {
// return ExecuteNonQuery(listQueries[0]);
// }
// factory.InitializeDbConnection(database, ref icon);
// factory.InitializeDbCommand(database, ref icmd);
// icmd.Connection = icon;
// icon.ConnectionString = connectionString;
// icon.Open();
// itrans = icon.BeginTransaction(isolationLevel);
// icmd.Transaction = itrans;
// queriesExecuted = ExecuteNonQueryConstrained(database, ref icon, ref icmd, listQueries);
// itrans.Commit();
// return queriesExecuted;
// }
// catch
// {
// if (itrans != null)
// {
// itrans.Rollback();
// }
// throw;
// }
// finally
// {
// DisposeObjects(ref icon, ref icmd);
// }
//}
public int ExecuteNonQuery(List <ExecutionQuery> listQueries, IsolationLevel isolationLevel, out List <object> listPrimaryKeys)
{
DbConnection icon = null;
DbCommand icmd = null;
DbTransaction itrans = null;
int queriesExecuted = 0;
DataFactory factory = new DataFactory();
try
{
factory.InitializeDbConnection(database, ref icon);
factory.InitializeDbCommand(database, ref icmd);
icmd.Connection = icon;
icon.ConnectionString = connectionString;
icon.Open();
itrans = icon.BeginTransaction(isolationLevel);
icmd.Transaction = itrans;
queriesExecuted = ExecuteNonQueryWithPrimaryKeyConstraints(database, ref icon, ref icmd, listQueries, out listPrimaryKeys);
itrans.Commit();
return(queriesExecuted);
}
catch
{
if (itrans != null)
{
itrans.Rollback();
}
throw;
}
finally
{
DisposeObjects(ref icon, ref icmd);
}
}
public static void ExecuteDataSet(DatabaseServer edt, string connectionString, ExecutionQuery executableQuery, ref DataSet ds)
{
DbConnection icon = null;
DbCommand icmd = null;
DbDataAdapter idap = null;
try
{
DataFactory.InitializeDbConnection(edt, ref icon);
DataFactory.InitializeDbCommand(edt, ref icmd);
DataFactory.InitializeDbDataAdapter(edt, ref idap, icmd);
icmd.Connection = icon;
icon.ConnectionString = connectionString;
icmd.Parameters.Clear();
if (executableQuery.Parameters != null)
{
foreach (IDataParameter var in executableQuery.Parameters)
{
icmd.Parameters.Add(var);
}
}
icmd.CommandType = CommandType.Text;
icmd.CommandText = executableQuery.Query;
idap.SelectCommand = icmd;
//log the query
(new ExecutionEngineLogger()).LogContext(executableQuery);
icon.Open();
idap.Fill(ds);
}
finally
{
DisposeObjects(ref icon, ref icmd);
}
}
public static int ExecuteNonQuery(DatabaseServer database, string connectionString, ExecutionQuery executionQuery)
{
DbConnection icon = null;
DbCommand icmd = null;
try
{
DataFactory.InitializeDbConnection(database, ref icon);
DataFactory.InitializeDbCommand(database, ref icmd);
icmd.Connection = icon;
icon.ConnectionString = connectionString;
icmd.Parameters.Clear();
if (executionQuery.Parameters != null)
{
foreach (IDataParameter var in executionQuery.Parameters)
{
icmd.Parameters.Add(var);
}
}
icmd.CommandType = CommandType.Text;
icmd.CommandText = executionQuery.Query;
icon.Open();
//log query
(new ExecutionEngineLogger()).LogContext(executionQuery);
return(icmd.ExecuteNonQuery());
}
finally
{
DisposeObjects(ref icon, ref icmd);
}
}
public static int ExecuteNonQuery(DatabaseServer database, string connectionString, string storedProcedureName, params IDataParameter[] iparams)
{
DbConnection icon = null;
DbCommand icmd = null;
try
{
DataFactory.InitializeDbConnection(database, ref icon);
DataFactory.InitializeDbCommand(database, ref icmd);
icmd.Connection = icon;
icon.ConnectionString = connectionString;
icon.Open();
icmd.CommandType = CommandType.StoredProcedure;
if (iparams != null)
{
for (int i = 0; i < iparams.Length; i++)
{
icmd.Parameters.Add(iparams[i]);
}
}
icmd.CommandText = storedProcedureName;
//logs the message
(new ExecutionEngineLogger()).LogContext(storedProcedureName);
return(icmd.ExecuteNonQuery());
}
finally
{
DisposeObjects(ref icon, ref icmd);
}
}
/// <summary>
/// Executes a DataReader using the CommandBehaviour.CloseConnection connection.
/// </summary>
/// <param name="edt">Database provider dataType</param>
/// <param name="connection">Connection string </param>
/// <param name="executableQuery">Query to be executed</param>
/// <returns>Resulting IDataReader</returns>
public IDataReader ExecuteReader(DatabaseServer edt, string connection, ExecutionQuery executableQuery)
{
//ADO.NET objects are not disposed because of the CloseConnection CommandBehaviour.
IDataReader iread = null;
DbConnection icon = null;
DbCommand icmd = null;
DataFactory factory = new DataFactory();
factory.InitializeDbConnection(edt, ref icon);
icon.ConnectionString = connection;
factory.InitializeDbCommand(edt, ref icmd);
icmd.Connection = icon;
icmd.Parameters.Clear();
if (executableQuery.Parameters != null)
{
foreach (IDataParameter var in executableQuery.Parameters)
{
icmd.Parameters.Add(var);
}
}
icmd.CommandType = CommandType.Text;
icmd.CommandText = executableQuery.Query;
(new ExecutionEngineLogger()).LogContext(executableQuery);
icon.Open();
iread = icmd.ExecuteReader(CommandBehavior.CloseConnection);
return(iread);
}
/// <summary>
/// Executes the query, and returns the first column of the first row
/// in the result set returned by the query. Extra columns or rows are ignored.
/// </summary>
/// <param name="edt">Provider Type</param>
/// <param name="connectionString">Connection String</param>
/// <param name="storedProcedureName">The stored procedure's name</param>
/// <param name="iparams">Stored Procedure's parameters.</param>
/// <returns></returns>
public object ExecuteScalar(DatabaseServer edt, string connectionString, string storedProcedureName, params IDataParameter[] iparams)
{
DbConnection icon = null;
DbCommand icmd = null;
object result = null;
DataFactory factory = new DataFactory();
try
{
factory.InitializeDbConnection(edt, ref icon);
factory.InitializeDbCommand(edt, ref icmd);
icon.ConnectionString = connectionString;
icmd.Connection = icon;
icon.Open();
icmd.CommandType = CommandType.StoredProcedure;
icmd.CommandText = storedProcedureName;
if (iparams != null)
{
for (int i = 0; i < iparams.Length; i++)
{
icmd.Parameters.Add(iparams[i]);
}
}
(new ExecutionEngineLogger()).LogContext(storedProcedureName);
return(result = icmd.ExecuteScalar());
}
finally
{
DisposeObjects(ref icon, ref icmd);
}
}
