| /********************************************************************** |
| // @@@ START COPYRIGHT @@@ |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| // @@@ END COPYRIGHT @@@ |
| **********************************************************************/ |
| /* -*-C++-*- |
| **************************************************************************** |
| * |
| * File: ComTdbTransaction.h |
| * Description: |
| * |
| * Created: 5/6/98 |
| * Language: C++ |
| * |
| * |
| * |
| * |
| **************************************************************************** |
| */ |
| |
| #ifndef COM_TRANSACTION_H |
| #define COM_TRANSACTION_H |
| |
| #include "ComTdb.h" |
| #include "ComTransInfo.h" |
| |
| class ComDiagsArea; |
| class ComCondition; |
| |
| /////////////////////////////////////////////////////// |
| // class ComTdbTransaction |
| /////////////////////////////////////////////////////// |
| class ComTdbTransaction : public ComTdb |
| { |
| friend class ExTransTcb; |
| friend class ExTransPrivateState; |
| |
| |
| public: |
| ComTdbTransaction() |
| : ComTdb(ComTdb::ex_TRANSACTION, eye_TRANSACTION), |
| flags_(0) |
| {}; |
| |
| ComTdbTransaction(TransStmtType trans_type, |
| TransMode * trans_mode, |
| ex_expr * diag_area_size_expr, |
| ex_cri_desc * work_cri_desc, |
| ex_cri_desc * given_cri_desc, |
| ex_cri_desc * returned_cri_desc, |
| queue_index down, |
| queue_index up, |
| Lng32 num_buffers, |
| ULng32 buffer_size); |
| |
| // --------------------------------------------------------------------- |
| // Redefine virtual functions required for Versioning. |
| //---------------------------------------------------------------------- |
| virtual unsigned char getClassVersionID() |
| { |
| return 1; |
| } |
| |
| virtual void populateImageVersionIDArray() |
| { |
| setImageVersionID(1,getClassVersionID()); |
| ComTdb::populateImageVersionIDArray(); |
| } |
| |
| virtual short getClassSize() { return (short)sizeof(ComTdbTransaction); } |
| |
| Long pack(void *); |
| Lng32 unpack(void *, void * reallocator); |
| |
| Int32 orderedQueueProtocol() const{return -1;}; |
| |
| virtual const ComTdb *getChild(Int32 /*child*/) const { return NULL; }; |
| virtual Int32 numChildren() const { return 0; }; |
| virtual const char *getNodeName() const { return "EX_TRANSACTION"; }; |
| virtual Int32 numExpressions() const { return 1; }; |
| virtual const char * getExpressionName(Int32) const { return "diagAreaSizeExpr_"; }; |
| virtual ex_expr* getExpressionNode(Int32) { return diagAreaSizeExpr_; }; |
| |
| NABoolean setAllowedInXn() { return (flags_ & SET_ALLOWED_IN_XN) != 0; } |
| void setSetAllowedInXn(NABoolean v) |
| { (v ? flags_ |= SET_ALLOWED_IN_XN : flags_ &= ~SET_ALLOWED_IN_XN); } |
| |
| protected: |
| |
| // transaction mode specified for the SQL SET TRANSACTION statement. |
| // Valid when transType_ is SET_TRANSACTION_. |
| TransModePtr transMode_; // 00-07 |
| |
| // expression used to compute the size of diagnostic area |
| ExExprPtr diagAreaSizeExpr_; // 08-15 |
| |
| ExCriDescPtr workCriDesc_; // 16-23 |
| |
| // See ComTransInfo.h in common directory. (TransStmtType) |
| Int16 transType_; // 24-25 |
| |
| UInt16 flags_; // 26-27 |
| |
| char fillersComTdbTransaction_[44]; // 28-71 |
| |
| private: |
| enum Flags |
| { |
| SET_ALLOWED_IN_XN = 0x0001 |
| }; |
| |
| }; |
| |
| |
| #endif |