void CassandraObjectFactory::generate(const String& timestamp) {
CassandraDBPtr db = Cassandra::getSingleton().open(mDBHost, mDBPort);
std::vector<Column> Columns;
try{
SliceRange range;
range.count=1000000; // set large enough to get all the objects of the object host
Columns = db->db()->getColumns(mOHostID, CF_NAME, timestamp, range);
}
catch(...){
std::cout <<"Exception Caught when get object lists"<<std::endl;
return;
}
for (std::vector<Column>::iterator it= Columns.begin(); it != Columns.end(); ++it) {
String object_str((*it).name);
//current value format is <"#type#"+script_type+"#args#"+script_args+"#contents#"+script_contents>
String script_value((*it).value);
String script_type=script_value.substr(6,script_value.find("#args#")-6);
String script_args=script_value.substr(script_value.find("#args#")+6,script_value.find("#contents#")-script_value.find("#args#")-6);
String script_contents=script_value.substr(script_value.find("#contents#")+10);
if (!script_type.empty()) {
ObjectInfo info;
info.id = UUID(object_str, UUID::HexString());
info.scriptType = script_type;
info.scriptArgs = script_args;
info.scriptContents = script_contents;
mIncompleteObjects.push(info);
}
}
connectObjects();
}
bool CassandraStorage::CassandraCommit(CassandraDBPtr db, const Bucket& bucket, Columns* columns, Keys* eraseKeys, Keys* readKeys, ReadSet* rs, const String& timestamp) {
if((*readKeys).size()>0){
try{
*rs=db->db()->getColumnsValues(bucket.rawHexData(),CF_NAME, timestamp, *readKeys); // batch read
}
catch(...){
return false;
}
}
if((*columns).size()>0 || (*eraseKeys).size()>0){
try{
batchTuple tuple=batchTuple(CF_NAME, bucket.rawHexData(), timestamp, *columns, *eraseKeys);
db->db()->batchMutate(tuple);
}
catch(...){
std::cout <<"Exception Caught when Batch Write/Erase"<<std::endl;
return false;
}
}
delete columns;
delete eraseKeys;
delete readKeys;
return true;
}
