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#include "bu/myriadcache.h"
#include "bu/uuid.h"
#include "bu/string.h"
#include "bu/sio.h"
#include "bu/membuf.h"
class Something : public Bu::CacheObject<Bu::Uuid, Something>
{
friend Bu::Archive &operator>>( Bu::Archive &ar, Something &s );
friend Bu::Archive &operator<<( Bu::Archive &ar, const Something &s );
public:
Something()
{
}
Something( const Bu::String &sName ) :
uId( Bu::Uuid::generate() ),
sName( sName )
{
}
virtual ~Something()
{
}
virtual Bu::Uuid getKey() const
{
return uId;
}
Bu::String getName() const
{
return sName;
}
void setName( const Bu::String &sNewName )
{
sName = sNewName;
changed();
}
virtual Bu::String toString() const=0;
private:
Bu::Uuid uId;
Bu::String sName;
};
class SubSomethingA : public Something
{
friend Bu::Archive &operator>>( Bu::Archive &ar, SubSomethingA &s );
friend Bu::Archive &operator<<( Bu::Archive &ar, const SubSomethingA &s );
public:
SubSomethingA()
{
}
SubSomethingA( const Bu::String &sName, int iNumber ) :
Something( sName ),
iNumber( iNumber )
{
}
virtual Bu::String toString() const
{
return Bu::String("[typeA] %1 (%2)").arg( getName() ).arg( iNumber );
}
private:
int iNumber;
};
class SubSomethingB : public Something
{
friend Bu::Archive &operator>>( Bu::Archive &ar, SubSomethingB &s );
friend Bu::Archive &operator<<( Bu::Archive &ar, const SubSomethingB &s );
public:
SubSomethingB()
{
}
SubSomethingB( const Bu::String &sName, const Bu::String &sString ) :
Something( sName ),
sString( sString )
{
}
virtual Bu::String toString() const
{
return Bu::String("[typeB] %1 (%2)").arg( getName() ).arg( sString );
}
private:
Bu::String sString;
};
Bu::Archive &operator>>( Bu::Archive &ar, Something &s )
{
return ar >> s.uId >> s.sName;
}
Bu::Archive &operator<<( Bu::Archive &ar, const Something &s )
{
return ar << s.uId << s.sName;
}
Bu::Archive &operator>>( Bu::Archive &ar, SubSomethingA &s )
{
return ar >> (Something &)s >> s.iNumber;
}
Bu::Archive &operator<<( Bu::Archive &ar, const SubSomethingA &s )
{
return ar << (Something &)s << s.iNumber;
}
Bu::Archive &operator>>( Bu::Archive &ar, SubSomethingB &s )
{
return ar >> (Something &)s >> s.sString;
}
Bu::Archive &operator<<( Bu::Archive &ar, const SubSomethingB &s )
{
return ar << (Something &)s << s.sString;
}
namespace Bu
{
template<>
void _cacheObjectSave<const Something>( Bu::Stream &s, const Something *pObject )
{
Bu::ArchiveBinary ar( s, Bu::ArchiveBinary::save );
if( typeid(*pObject) == typeid(SubSomethingA) )
{
ar << (uint8_t)1 << (SubSomethingA &)*pObject;
}
else if( typeid(*pObject) == typeid(SubSomethingB) )
{
ar << (uint8_t)2 << (SubSomethingB &)*pObject;
}
else
{
Bu::println("Not a recognized type!");
throw Bu::ExceptionBase("Not recognized type!");
}
}
template<>
Something *_cacheObjectLoad<Bu::Uuid, Something>( Bu::CacheObject<Bu::Uuid, Something>::Initializer &initObj, const Bu::Uuid &rKey, Bu::Stream &s )
{
Bu::ArchiveBinary ar( s, Bu::ArchiveBinary::load );
uint8_t uType;
ar >> uType;
switch( uType )
{
case 1:
{
SubSomethingA *ret = initObj(new SubSomethingA());
ar >> *ret;
return ret;
}
break;
case 2:
{
SubSomethingB *ret = initObj(new SubSomethingB());
ar >> *ret;
return ret;
}
break;
default:
throw Bu::ExceptionBase("Flagrant error! Invalid type!");
}
return NULL;
}
}
typedef Bu::CachePtr<Bu::Uuid, Something> SomethingPtr;
typedef Bu::CachePtr<Bu::Uuid, SubSomethingA, Something> SomethingAPtr;
typedef Bu::CachePtr<Bu::Uuid, SubSomethingB, Something> SomethingBPtr;
typedef Bu::MyriadCache<Bu::Uuid, Something> SomethingCache;
int main( int, char *[] )
{
Bu::MemBuf mbStore;
SomethingCache c( mbStore );
SomethingPtr ptr;
if( time(NULL)%2 )
ptr = c.insert( new SubSomethingA("Hello", 55) ).cast<Something>();
else
ptr = c.insert( new SubSomethingB("Goodbye", "Things") ).cast<Something>();
Bu::Uuid id = ptr.getKey();
Bu::println("Something[%1]: %2").
arg( ptr.getKey() ).
arg( ptr->getName() );
Bu::println("has %1: %2").arg( id ).arg( c.has( id ) );
c.erase( ptr.getKey() );
Bu::println("has %1: %2").arg( id ).arg( c.has( id ) );
SomethingPtr b = ptr;
SomethingPtr p2 = c.insert( new SubSomethingA("new test", 123) ).cast<Something>();
id = p2.getKey();
p2.unbind();
c.erase( id );
return 0;
}
/*
int main( int argc, char *argv[] )
{
Bu::File fStore("test.myr", Bu::File::Create|Bu::File::ReadWrite);
SomethingCache c( fStore );
for( int j = 1; j < argc; j++ )
{
SomethingPtr ptr = c.insert( new Something(argv[j]) );
Bu::println("Something[%1]: %2").
arg( ptr.getKey() ).
arg( ptr->getName() );
}
SomethingCache::KeyList lKeys = c.getKeys();
Bu::println("Count: %1").arg( lKeys.getSize() );
int j = 0;
for( SomethingCache::KeyList::iterator i = lKeys.begin(); i; i++ )
{
Bu::println(" - %1: '%2'").arg( *i ).arg( c.get( *i )->getName() );
if( ((j++)%2) )
c.erase( *i );
}
Bu::println("Count: %1").arg( c.getSize() );
c._debug();
SomethingPtr p2;
SomethingPtr p1( c.get( lKeys.first() ) );
c._debug();
{
SomethingPtr p2( p1 );
c._debug();
}
c._debug();
p2 = p1;
c._debug();
p1.unbind();
c._debug();
Bu::println("Name: %1").arg( p1->getName() );
p1.unbind();
p1.lock();
p1.unlock();
c._debug();
SomethingPtr p3 = c.getLazy( lKeys.first() );
c._debug();
{
SomethingPtr::Locker l( p3 );
Bu::println("Name again: %1").arg( p3->getName() );
p3->setName( p3->getName() + " - again" );
}
c.sync();
c._debug();
return 0;
}
*/
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