[odb-users] [Question] persist a custom object class
Myoungkyu Song
mksong at vt.edu
Fri Dec 17 00:26:42 EST 2010
# ODB version: 1.0.0
# OS: Linux 2.6.32-26-generic-Ubuntu
# Compiler: g++ (Ubuntu 4.4.3-4ubuntu5) 4.4.3
Hi,
I would like to ask about persisting the custom class object. For
example, consider the followings;
============================================================
class SequenceModel : public x10::lang::Object {
public:
RTT_H_DECLS_CLASS
void _instance_init();
x10aux::ref<x10::lang::String> FMGL(name);
x10aux::ref<x10::lang::String> FMGL(sequence);
...
}
============================================================
Then, in order to pass to the ODB-DB-API generator, I put the
“#pragma” like this;
============================================================
#include <odb/core.hxx> // (1) ODB
typedef x10aux::ref<x10::lang::String> StringRef; // (2) ODB
#pragma db value(StringRef) type("TEXT NOT NULL") // (2) ODB
#pragma db object // (3) ODB
class SequenceModel : public x10::lang::Object {
public:
RTT_H_DECLS_CLASS
void _instance_init();
StringRef FMGL(name); // (4) ODB
StringRef FMGL(sequence); // (4) ODB
...
private:
SequenceModel() {} // (5) ODB
friend class odb::access; // (6) ODB
#pragma db id auto // (7) ODB
unsigned long id_; // (7) ODB
};
============================================================
And then, I was wondering whether I need to modify “
/usr/local/include/odb/mysql/traits.hxx” for the specialization of the
custom object class, “StringRef”?
Best regards,
Myoungkyu Song
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