summaryrefslogtreecommitdiff
path: root/storage/ndb/include/kernel/signaldata/UtilSequence.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'storage/ndb/include/kernel/signaldata/UtilSequence.hpp')
-rw-r--r--storage/ndb/include/kernel/signaldata/UtilSequence.hpp101
1 files changed, 101 insertions, 0 deletions
diff --git a/storage/ndb/include/kernel/signaldata/UtilSequence.hpp b/storage/ndb/include/kernel/signaldata/UtilSequence.hpp
new file mode 100644
index 00000000000..50e5d673e99
--- /dev/null
+++ b/storage/ndb/include/kernel/signaldata/UtilSequence.hpp
@@ -0,0 +1,101 @@
+/* Copyright (C) 2003 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifndef UTIL_SEQUENCE_HPP
+#define UTIL_SEQUENCE_HPP
+
+#include "SignalData.hpp"
+
+class UtilSequenceReq {
+
+ /**
+ * Receiver
+ */
+ friend class DbUtil;
+
+ /**
+ * Sender
+ */
+ friend class Backup;
+ friend class Suma;
+
+ friend bool printUTIL_SEQUENCE_REQ(FILE *, const Uint32 *, Uint32, Uint16);
+public:
+ STATIC_CONST( SignalLength = 3 );
+
+ enum RequestType {
+ NextVal = 1, // Return uniq value
+ CurrVal = 2, // Read
+ Create = 3 // Create a sequence
+ };
+private:
+ Uint32 senderData;
+ Uint32 sequenceId; // Number of sequence variable
+ Uint32 requestType;
+};
+
+class UtilSequenceConf {
+
+ /**
+ * Receiver
+ */
+ friend class Backup;
+ friend class Suma;
+ /**
+ * Sender
+ */
+ friend class DbUtil;
+
+ friend bool printUTIL_SEQUENCE_CONF(FILE *, const Uint32 *, Uint32, Uint16);
+public:
+ STATIC_CONST( SignalLength = 5 );
+
+private:
+ Uint32 senderData;
+ Uint32 sequenceId;
+ Uint32 requestType;
+ Uint32 sequenceValue[2];
+};
+
+class UtilSequenceRef {
+
+ /**
+ * Reciver
+ */
+ friend class Backup;
+ friend class Suma;
+ /**
+ * Sender
+ */
+ friend class DbUtil;
+
+ friend bool printUTIL_SEQUENCE_REF(FILE *, const Uint32 *, Uint32, Uint16);
+public:
+ STATIC_CONST( SignalLength = 5 );
+
+ enum ErrorCode {
+ NoSuchSequence = 1,
+ TCError = 2
+ };
+private:
+ Uint32 senderData;
+ Uint32 sequenceId;
+ Uint32 requestType;
+ Uint32 errorCode;
+ Uint32 TCErrorCode;
+};
+
+#endif