/*!
\fn string Event::serialize()
\brief serializes the events in json format
\author Phil Harmston
*/
string Event::serialize()
{
stringstream output;
if(buffer.size() > 0)
return buffer;
output << "\"" << id << "\":{";
//destroyed
if( destroyed != NULL)
output << "\"destroyed\": " << serialize_map(destroyed);
//damaged
if( damaged != NULL)
output << "\"damaged\": " << serialize_map(damaged);
//affected
if( affected != NULL)
output << "\"affected\": " << serialize_map(affected);
//actor
if( instigator != NULL)
output << "\"instigator\": \"" << instigator->get_userid() << "\",";
//origin
output << "\"origin\": \"" << origin.x << " " << origin.y << "\",";
//alerts
output << "\"alerts\":\"" << outcome << "\"}";
buffer = output.str();
return buffer;
}
void types_visitor::serialize_complex_item(complex_item* item)
{
switch(item->type)
{
case COMPLEX_SIMPLE: serialize_simple_item(item->data._simple); break;
case COMPLEX_TUPLE: serialize_tuple(item->data._tuple); break;
case COMPLEX_BAG: serialize_bag(item->data._bag); break;
case COMPLEX_MAP: serialize_map(item->data._map); break;
}
}
void createProbingPT(const char * phrasetable_path, const char * target_path){
//Get basepath and create directory if missing
std::string basepath(target_path);
mkdir(basepath.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
//Set up huffman and serialize decoder maps.
Huffman huffmanEncoder(phrasetable_path); //initialize
huffmanEncoder.assign_values();
huffmanEncoder.produce_lookups();
huffmanEncoder.serialize_maps(target_path);
//Get uniq lines:
unsigned long uniq_entries = huffmanEncoder.getUniqLines();
//Source phrase vocabids
std::map<uint64_t, std::string> source_vocabids;
//Read the file
util::FilePiece filein(phrasetable_path);
//Init the probing hash table
size_t size = Table::Size(uniq_entries, 1.2);
char * mem = new char[size];
memset(mem, 0, size);
Table table(mem, size);
BinaryFileWriter binfile(basepath); //Init the binary file writer.
line_text prev_line; //Check if the source phrase of the previous line is the same
//Keep track of the size of each group of target phrases
uint64_t entrystartidx = 0;
//uint64_t line_num = 0;
//Read everything and processs
while(true){
try {
//Process line read
line_text line;
line = splitLine(filein.ReadLine());
//Add source phrases to vocabularyIDs
add_to_map(&source_vocabids, line.source_phrase);
if ((binfile.dist_from_start + binfile.extra_counter) == 0) {
prev_line = line; //For the first iteration assume the previous line is
} //The same as this one.
if (line.source_phrase != prev_line.source_phrase){
//Create a new entry even
//Create an entry for the previous source phrase:
Entry pesho;
pesho.value = entrystartidx;
//The key is the sum of hashes of individual words. Probably not entirerly correct, but fast
pesho.key = 0;
std::vector<uint64_t> vocabid_source = getVocabIDs(prev_line.source_phrase);
for (int i = 0; i < vocabid_source.size(); i++){
pesho.key += vocabid_source[i];
}
pesho.bytes_toread = binfile.dist_from_start + binfile.extra_counter - entrystartidx;
//Put into table
table.Insert(pesho);
entrystartidx = binfile.dist_from_start + binfile.extra_counter; //Designate start idx for new entry
//Encode a line and write it to disk.
std::vector<unsigned char> encoded_line = huffmanEncoder.full_encode_line(line);
binfile.write(&encoded_line);
//Set prevLine
prev_line = line;
} else{
//If we still have the same line, just append to it:
std::vector<unsigned char> encoded_line = huffmanEncoder.full_encode_line(line);
binfile.write(&encoded_line);
}
} catch (util::EndOfFileException e){
std::cerr << "Reading phrase table finished, writing remaining files to disk." << std::endl;
binfile.flush();
//After the final entry is constructed we need to add it to the phrase_table
//Create an entry for the previous source phrase:
Entry pesho;
pesho.value = entrystartidx;
//The key is the sum of hashes of individual words. Probably not entirerly correct, but fast
pesho.key = 0;
std::vector<uint64_t> vocabid_source = getVocabIDs(prev_line.source_phrase);
for (int i = 0; i < vocabid_source.size(); i++){
pesho.key += vocabid_source[i];
}
pesho.bytes_toread = binfile.dist_from_start + binfile.extra_counter - entrystartidx;
//Put into table
table.Insert(pesho);
break;
}
}
serialize_table(mem, size, (basepath + "/probing_hash.dat").c_str());
serialize_map(&source_vocabids, (basepath + "/source_vocabids").c_str());
delete[] mem;
//Write configfile
std::ofstream configfile;
configfile.open((basepath + "/config").c_str());
configfile << uniq_entries << '\n';
configfile.close();
}
inline bool operator()( NodeType & dest , const MapType & src ) const
{
return serialize_map( dest, src );
}
