// Method for executing abstract operation with BingoIndexData
private static void _ExecuteBingoOperationChangeIndex (SqlString bingo_schema,
bingoOperationDelegate operationDelegate,
bingoGetIndexDataDelegate getBingoDataDelegate, BingoOp flags)
{
bingoOperationDelegate opWithIndex =
(ctx_conn, conn, index_data) =>
{
if (BingoCore.lib.bingoIndexBegin() != 1)
throw new Exception(BingoCore.lib.bingoGetError());
try
{
index_data.fingerprints.init(ctx_conn);
index_data.storage.validate(ctx_conn);
operationDelegate(ctx_conn, conn, index_data);
ContextFlags save_flags = ContextFlags.CMF;
saveContext(ctx_conn, bingo_schema.Value, index_data.id.table_id, save_flags);
}
finally
{
BingoCore.lib.bingoIndexEnd();
}
};
_ExecuteBingoOperation(bingo_schema,
opWithIndex, getBingoDataDelegate, flags);
}
// Method for executing abstract operation with BingoIndexData
private static void _ExecuteBingoOperation(SqlString bingo_schema,
bingoOperationDelegate operationDelegate,
bingoGetIndexDataDelegate getBingoDataDelegate, BingoOp op_flags)
{
string table_name = "<Undef>";
BingoIndexID id = null;
SqlConnection ext_conn = null;
try
{
using (SqlConnection ctx_conn = new SqlConnection("context connection=true"))
{
ctx_conn.Open();
SqlConnection conn = ctx_conn;
if ((op_flags & BingoOp.NON_CONTEXT_CONN) != 0)
{
string conn_string = String.Format(
"server={0};integrated security=true;database={1};enlist=false",
getServername(ctx_conn), ctx_conn.Database);
ext_conn = new SqlConnection(conn_string);
ext_conn.Open();
conn = ext_conn;
}
using (BingoSession session = new BingoSession())
{
BingoCore.lib.bingoProfilingReset(false);
BingoTimer timer = new BingoTimer("total");
BingoIndexData index_data = getBingoDataDelegate(ctx_conn, conn, bingo_schema);
table_name = index_data.id.FullTableName(ctx_conn);
id = index_data.id;
if (index_data.locked)
{
BingoLog.logMessage("Attempt to get locked index for the table {0}", table_name);
throw new Exception("Chemical index for the table '" + table_name + "' is locked");
}
if ((op_flags & BingoOp.LOCK_INDEX) != 0)
index_data.locked = true;
ContextFlags flags = ContextFlags.NTHREADS | ContextFlags.FINGERPRINTS;
if ((op_flags & BingoOp.LOAD_TAU_RULES) != 0)
flags |= ContextFlags.TAU_RULES;
if ((op_flags & BingoOp.LOAD_CMF) != 0)
flags |= ContextFlags.CMF;
prepareContext(ctx_conn, bingo_schema.Value, index_data.id.table_id, flags);
index_data.syncContextParameters(ctx_conn, bingo_schema.Value);
try
{
operationDelegate(ctx_conn, conn, index_data);
}
catch (Exception ex)
{
if ((Thread.CurrentThread.ThreadState & ThreadState.AbortRequested) != 0)
Thread.ResetAbort();
BingoLog.logMessage("Exception {0} in {1}:\n{2}", ex.Message, ex.Source, ex.StackTrace);
if ((op_flags & BingoOp.LOCK_INDEX) != 0)
index_data.locked = false;
if ((op_flags & BingoOp.DROP_ON_EXCEPTION) != 0)
BingoIndexData.DropIndexData(conn, bingo_schema.Value, id, false);
throw ex;
}
if ((op_flags & BingoOp.LOCK_INDEX) != 0)
index_data.locked = false;
timer.end();
if ((op_flags & BingoOp.NEED_STAT) != 0)
BingoLog.logMessage("Statistics for table {0}:\n{1}\n",
table_name, BingoCore.bingoProfilingGetStatistics(false));
}
}
}
finally
{
if ((Thread.CurrentThread.ThreadState & ThreadState.AbortRequested) != 0)
Thread.ResetAbort();
if (ext_conn != null)
ext_conn.Close();
}
}