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‎Makefile

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# program/library target and files
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TARGET = sample
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SRCS = sample.cpp
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# explicit path to sybase library
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LIBPATH = -L/opt/sybase12_5_64/OCS/lib
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INCLUDES = -I/opt/sybase12_5_64/OCS/include
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# compiler path and flags
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CC = /opt/gcc/bin/g++
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CFLAGS = -std=c++11 -Wall -Wno-unused -Wno-sequence-point -Wno-parentheses -c -ggdb3 -m64 -pthread -DSYB_LP64 -D_REENTRANT
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# sybase libraries to include in the build
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CTLIB = -lct_r64 # client library
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CSLIB = -lcs_r64 # cs library
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TCLIB = -lsybtcl_r64 # transport control layer
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COMLIB = -lcomn_r64 # internal shared utility library
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INTLLIB = -lintl_r64 # internationalization support library
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BLKLIB = -lblk_r64 # bulk copy routines
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SYSLIBS = -Wl,-Bdynamic -ldl -lpthread -lnsl -lm
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LIBS = -Bstatic $(LIBPATH) $(CTLIB) $(CSLIB) $(TCLIB) $(COMLIB) $(INTLLIB) $(SYSLIBS)
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# make env setup
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OBJDIR = obj
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OBJECTS = $(SRCS:.cpp=.o)
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FPOBJS = $(addprefix $(OBJDIR)/, $(SRCS:.cpp=.o))
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vpath %.o $(OBJDIR)
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# compilation rules
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all: prep $(TARGET)
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prep:
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rm -f make.log
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test -d $(OBJDIR) || mkdir $(OBJDIR)
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.cpp.o:
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$(CC) $(CFLAGS) $(INCLUDES) $< -o $(OBJDIR)/$(*).o 2>&1 | tee make.log
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$(TARGET): $(OBJECTS)
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$(CC) -o $(TARGET) $(FPOBJS) $(LIBS) 2>&1 | tee make.log
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clean:
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rm -f $(TARGET) $(OBJDIR)/*
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depend:
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rm -f make.dep
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touch make.dep
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$(CC) $(CFLAGS) -MMD $(INCLUDES) $(SRCS) 2>&1 | tee -a make.log

‎Makefile_12.5

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# program/library target and files
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TARGET = sample
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SRCS = sample.cpp
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# explicit path to sybase library
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LIBPATH = -L/opt/sybase12_5_64/OCS/lib
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INCLUDES = -I/opt/sybase12_5_64/OCS/include
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# compiler path and flags
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CC = /opt/gcc/bin/g++
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CFLAGS = -std=c++11 -Wall -Wno-unused -Wno-sequence-point -Wno-parentheses -c -ggdb3 -m64 -pthread -DSYB_LP64 -D_REENTRANT
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# sybase libraries to include in the build
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CTLIB = -lct_r64 # client library
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CSLIB = -lcs_r64 # cs library
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TCLIB = -lsybtcl_r64 # transport control layer
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COMLIB = -lcomn_r64 # internal shared utility library
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INTLLIB = -lintl_r64 # internationalization support library
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BLKLIB = -lblk_r64 # bulk copy routines
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SYSLIBS = -Wl,-Bdynamic -ldl -lpthread -lnsl -lm
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LIBS = -Bstatic $(LIBPATH) $(CTLIB) $(CSLIB) $(TCLIB) $(COMLIB) $(INTLLIB) $(SYSLIBS)
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# make env setup
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OBJDIR = obj
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OBJECTS = $(SRCS:.cpp=.o)
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FPOBJS = $(addprefix $(OBJDIR)/, $(SRCS:.cpp=.o))
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vpath %.o $(OBJDIR)
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# compilation rules
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all: prep $(TARGET)
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prep:
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rm -f make.log
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test -d $(OBJDIR) || mkdir $(OBJDIR)
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.cpp.o:
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$(CC) $(CFLAGS) $(INCLUDES) $< -o $(OBJDIR)/$(*).o 2>&1 | tee make.log
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$(TARGET): $(OBJECTS)
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$(CC) -o $(TARGET) $(FPOBJS) $(LIBS) 2>&1 | tee make.log
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clean:
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rm -f $(TARGET) $(OBJDIR)/*
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depend:
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rm -f make.dep
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touch make.dep
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$(CC) $(CFLAGS) -MMD $(INCLUDES) $(SRCS) 2>&1 | tee -a make.log

‎Makefile_15.0

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# program/library target and files
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TARGET = sample
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SRCS = sample.cpp
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# explicit path to sybase library
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LIBPATH = -L/opt/sybase15/OCS-15_0/lib
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INCLUDES = -I/opt/sybase15/OCS-15_0/include
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# compiler path and flags
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CC = /opt/gcc/bin/g++
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CFLAGS = -std=c++11 -Wall -Wno-unused -Wno-sequence-point -Wno-parentheses -c -ggdb3 -m64 -pthread -DSYB_LP64 -D_REENTRANT
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# sybase libraries to include in the build
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CTLIB = -lsybct64 # client library
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CSLIB = -lsybcs64 # cs library
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TCLIB = -lsybtcl64 # transport control layer
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COMLIB = -lsybcomn64 # internal shared utility library
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INTLLIB = -lsybintl64 # internationalization support library
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UNICLIB = -lsybunic64 # unicode library
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BLKLIB = -lsybblk64 # bulk copy routines
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SYSLIBS = -Wl,-Bdynamic -ldl -lpthread -lnsl -lm
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LIBS = -Bstatic $(LIBPATH) $(CTLIB) $(CSLIB) $(TCLIB) $(COMLIB) $(INTLLIB) $(UNICLIB) $(SYSLIBS)
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# make env setup
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OBJDIR = obj
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OBJECTS = $(SRCS:.cpp=.o)
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FPOBJS = $(addprefix $(OBJDIR)/, $(SRCS:.cpp=.o))
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vpath %.o $(OBJDIR)
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# compilation rules
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all: prep $(TARGET)
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prep:
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rm -f make.log
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test -d $(OBJDIR) || mkdir $(OBJDIR)
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.cpp.o:
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$(CC) $(CFLAGS) $(INCLUDES) $< -o $(OBJDIR)/$(*).o 2>&1 | tee make.log
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$(TARGET): $(OBJECTS)
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$(CC) -o $(TARGET) $(FPOBJS) $(LIBS) 2>&1 | tee make.log
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clean:
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rm -f $(TARGET) $(OBJDIR)/*
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depend:
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rm -f make.dep
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touch make.dep
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$(CC) $(CFLAGS) -MMD $(INCLUDES) $(SRCS) 2>&1 | tee -a make.log

‎connection.hpp

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/*
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* File: connection.hpp
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef CONNECTION_HPP
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#define CONNECTION_HPP
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#include <memory>
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#include "utilities.hpp"
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#include "driver.hpp"
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#include "statement.hpp"
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// forward declaration
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namespace vgi { namespace dbconn { namespace dbd {
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template <typename T> class driver;
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} } } // namespace vgi::dbconn::dbd
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namespace vgi { namespace dbconn { namespace dbi {
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/**
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* iconnection - is an interface that describes common functionality for all
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* concrete native implementations for a connection class
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*/
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struct iconnection
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{
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virtual ~iconnection() { };
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virtual bool connect() = 0;
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virtual void disconnect() = 0;
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virtual void commit() = 0;
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virtual void rollback() = 0;
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virtual bool connected() const = 0;
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virtual bool alive() const = 0;
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virtual istatement* get_statement(iconnection&) = 0;
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};
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/**
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* connection - is a class that manages native driver connection handle.
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* connection object cannot be instantiated directly, only via driver
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* get_connection() function call. connection objects automatically delete the
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* native connection handle they manage as soon as they themselves are destroyed,
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* or as soon as their value changes by an assignment operation. When an
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* assignment operation takes place between two connection objects, ownership of
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* native connection handle is transferred, which means that the object losing
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* ownership is no longer has access to the native connection handle.
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*/
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class connection {
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public:
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connection(connection&& conn) : conn_impl(std::move(conn.conn_impl))
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{
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}
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connection& operator=(connection&& conn)
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{
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if (this != &conn)
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conn_impl = std::move(conn.conn_impl);
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return *this;
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}
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~connection()
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{
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disconnect();
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}
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bool connect()
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{
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return conn_impl->connect();
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}
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void disconnect()
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{
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conn_impl->disconnect();
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}
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void commit()
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{
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conn_impl->commit();
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}
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void rollback()
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{
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conn_impl->rollback();
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}
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bool connected() const
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{
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return conn_impl->connected();
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}
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bool alive() const
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{
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return conn_impl->alive();
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}
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statement get_statement()
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{
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return statement(conn_impl->get_statement(*(conn_impl.get())));
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}
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template <typename T>
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T& get_native_connection()
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{
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return dynamic_cast<T&>(*conn_impl);
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}
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private:
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template <typename T> friend class dbd::driver;
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friend class statement;
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connection(iconnection* conn) : conn_impl(conn) { }
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connection(const connection&) = delete;
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connection& operator=(const connection&) = delete;
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private:
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std::unique_ptr<iconnection> conn_impl;
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}; // connection
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} } } // namespace vgi::dbconn::dbi
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#endif // CONNECTION_HPP
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‎driver.hpp

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/*
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* File: driver.hpp
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef DRIVER_HPP
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#define DRIVER_HPP
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#include <memory>
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#include <functional>
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#include <map>
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#include "connection.hpp"
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namespace vgi { namespace dbconn { namespace dbd {
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/**
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* idriver - is an interface for driver classes which declares function for creating
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* a connection object
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*/
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struct idriver
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{
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virtual dbi::connection create_connection(dbi::iconnection* iconn) = 0;
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};
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/**
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* driver is a singleton template class which creates a concrete driver on load()
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* and returns its instance
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*/
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template <typename T>
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class driver : public T
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{
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public:
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// c++11 guaranties no threading issues
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static T& load()
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{
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static driver<T> d;
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return d;
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}
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protected:
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virtual dbi::connection create_connection(dbi::iconnection* iconn)
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{
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return dbi::connection(iconn);
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}
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private:
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driver() {}
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driver(const driver&);
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driver(driver&&);
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driver& operator=(const driver&);
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driver& operator=(driver&&);
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driver** operator&();
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}; // driver
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}}} // namespace vgi::dbconn::dbd
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#endif // DRIVER_HPP
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