//=============================================================================
// METHOD : SPELLwsListDataHandler::read()
//=============================================================================
void SPELLwsListDataHandler::read()
{
// Load the number of items
unsigned int numItems = getStorage()->loadLong();
// Create a list
PyObject* listObject = PyList_New(numItems);
for( unsigned int index = 0; index < numItems; index++)
{
// Load the item code
SPELLwsData::Code code = loadDataCode();
// Create an appropriate handler
SPELLwsDataHandler* handler = SPELLwsDataHandlerFactory::createDataHandler(code);
handler->setStorage(getStorage());
// Read the data
handler->read();
// Add the item to the list
PyList_SetItem(listObject, index, handler->getObject());
delete handler;
}
// Set it as associated object
setObject( listObject );
}
//=============================================================================
// METHOD : SPELLwsListDataHandler::write()
//=============================================================================
void SPELLwsListDataHandler::write()
{
assert( PyList_Check(getObject()));
unsigned int numItems = PyList_Size( getObject() );
// Store the number of items
getStorage()->storeLong( (long) numItems );
// Store each list item
for( unsigned int index = 0; index < numItems; index++)
{
PyObject* item = PyList_GetItem( getObject(), index );
try
{
SPELLwsDataHandler* handler = SPELLwsDataHandlerFactory::createDataHandler(item);
handler->setStorage(getStorage());
// Store the item data code. We need it for reading operation, in order to
// know which type of handler to create.
handler->storeDataCode();
// IMPORTANT in the case of lists and dictionaries, we want to be able to continue
// the storage evenif there is a problem in the handler processing at this point.
// If that is the case, a fake empty object will be replaced by the object being
// processed by the handler, and the dumping of this collection will continue.
try
{
// Store the data
handler->write();
}
catch(SPELLcoreException& ex)
{
std::string msg = "WARNING! Storage of element " + ISTR(index) + " failed: " + ex.what();
LOG_WARN(msg);
std::cerr << msg << std::endl;
storeFakeObject( handler->getCode() );
}
delete handler;
}
catch(SPELLcoreException& ex)
{
std::string msg = "WARNING! Failed to create data handler: " + ex.what();
LOG_WARN(msg);
storeFakeObject( SPELLwsData::DATA_NONE );
}
}
}
//=============================================================================
// METHOD : SPELLwsDictDataHandler::write()
//=============================================================================
void SPELLwsDictDataHandler::write()
{
if (getObject() == NULL)
{
getStorage()->storeLong( -1 );
return;
}
assert( PyDict_Check(getObject()));
SPELLpyHandle keys = PyDict_Keys( getObject() );
unsigned int numItems = PyList_Size( keys.get() );
DEBUG("[DDH] Storing dictionary items (total " + ISTR(numItems) + ") address " + PSTR(getObject()));
PyObject* key = NULL;
PyObject* item = NULL;
long toStore = 0;
// Calculate the number of items to store
// Store each list item
DEBUG("[DDH] Keys of the dictionary:");
for( unsigned int index = 0; index < numItems; index++)
{
key = PyList_GetItem( keys.get(), index );
item = PyDict_GetItem( getObject(), key );
if (SPELLwsWarmStartImpl::shouldFilter(key,item))
{
continue;
}
else
{
DEBUG(" - " + PYSSTR(key));
}
toStore++;
}
DEBUG("[DDH] Will store " + ISTR(toStore) + " keys");
// Store the number of items
getStorage()->storeLong( (long) toStore );
DEBUG("[DDH] Start checking items");
if (toStore>0)
{
// Store each list item
for( unsigned int index = 0; index < numItems; index++)
{
key = PyList_GetItem( keys.get(), index );
item = PyDict_GetItem( getObject(), key );
DEBUG("[DDH] Checking item " + PYCREPR(key));
// Do not consider filtered values
if (SPELLwsWarmStartImpl::shouldFilter(key,item)) continue;
SPELLpythonHelper::instance().checkError();
DEBUG(" [DDH] Key index " + ISTR(index));
DEBUG(" [DDH] Key to use" + PYREPR(key));
DEBUG(" [DDH] Item type:" + PYREPR(PyObject_Type(item)));
// Handler for the key
SPELLwsObjectDataHandler keyHandler(key);
keyHandler.setStorage(getStorage());
DEBUG(" [DDH] Creating handler");
// Create a handler for the item
SPELLwsDataHandler* handler = SPELLwsDataHandlerFactory::createDataHandler(item);
handler->setStorage(getStorage());
// Store the key
DEBUG(" [DDH] Storing key: " + PYREPR(key));
keyHandler.write();
// Store the item data code in order to recognise it later
DEBUG(" [DDH] Storing data code: " + SPELLwsData::codeStr(handler->getCode()));
handler->storeDataCode();
// IMPORTANT in the case of lists and dictionaries, we want to be able to continue
// the storage even if there is a problem in the handler processing at this point.
// If that is the case, a fake empty object will be replaced by the object being
// processed by the handler, and the dumping of this collection will continue.
try
{
if (handler->getCode() == SPELLwsData::DATA_CUSTOM_TYPE )
{
std::string msg = "WARNING! warm start not supported for custom Python types (" + PYREPR(key) + "=" + PYREPR(item) + ")";
LOG_WARN(msg);
SPELLexecutor::instance().getCIF().warning(msg);
storeFakeObject( SPELLwsData::DATA_NONE );
}
else
{
// Store the value
DEBUG(" [DDH] Storing value: " + PYREPR(item));
handler->write();
DEBUG(" [DDH] Storing value done");
}
}
catch(SPELLcoreException& ex)
{
std::string msg = "WARNING! WS storage of element " + ISTR(index) + " failed: " + ex.what();
LOG_WARN(msg);
SPELLexecutor::instance().getCIF().warning(msg);
storeFakeObject( handler->getCode() );
}
delete handler;
}
}
DEBUG("[DDH] Storing dictionary done");
}
//=============================================================================
// METHOD : SPELLwsDictDataHandler::read()
//=============================================================================
void SPELLwsDictDataHandler::read()
{
DEBUG("[DDH] Loading dictionary items");
// Load the number of items
int numItems = getStorage()->loadLong();
DEBUG("[DDH] Number of items " + ISTR(numItems));
if (numItems == -1)
{
setObject(NULL);
return;
}
// Create a dictionary
PyObject* dictObject = PyDict_New();
for( unsigned int index = 0; index < (unsigned) numItems; index++)
{
// We know that first an Object comes, as the key. So make the handler directly.
SPELLwsObjectDataHandler keyHandler(NULL);
keyHandler.setStorage(getStorage());
DEBUG(" [DDH] Loading key");
keyHandler.read();
PyObject* key = keyHandler.getObject();
DEBUG(" [DDH] Loaded key " + PYREPR(key));
// Load the item code
DEBUG(" [DDH] Loading data code");
SPELLwsData::Code code = loadDataCode();
DEBUG(" [DDH] Loaded data code " + SPELLwsData::codeStr(code));
if (code == SPELLwsData::DATA_CUSTOM_TYPE )
{
std::string msg = "WARNING! warm start not supported for custom Python types (" + PYREPR(key) + ")";
LOG_WARN(msg);
SPELLexecutor::instance().getCIF().warning(msg);
getStorage()->loadObject(); // Load none
PyDict_SetItem(dictObject, key, Py_None);
}
else
{
// Create an appropriate handler
SPELLwsDataHandler* handler = SPELLwsDataHandlerFactory::createDataHandler(code);
handler->setStorage(getStorage());
try
{
// Read the data
DEBUG(" [DDH] Loading value");
handler->read();
DEBUG(" [DDH] Value loaded " + PYREPR(handler->getObject()));
// Add the item to the dictionary
PyDict_SetItem(dictObject, key, handler->getObject());
}
catch(SPELLcoreException& ex)
{
std::string msg = "Failed to recover dictionary item " + PYREPR(key) + ": " + ex.what();
LOG_WARN(msg);
SPELLexecutor::instance().getCIF().warning(msg);
PyDict_SetItem(dictObject, key, Py_None);
}
delete handler;
DEBUG(" [DDH] ");
}
}
DEBUG("[DDH] Dictionary loaded");
// Set it as associated object
setObject( dictObject );
}
