void ParametricAd::addUserTag ( const std::string& attr_name, const std::string& attr_value){
ExprTree* tree = Lookup ( JDL::USERTAGS ) ;
if ( tree ==NULL){
// UserTags attribute has still to be created
ClassAd ad ;
ad.InsertAttr ( attr_name , attr_value ) ;
ExprTree* tmp_expr = ad.Copy();
Insert ( JDL::USERTAGS , tmp_expr ) ;
}else{
// Already Existing UserTags attribute
if ( tree->GetKind () == classad::ExprTree::CLASSAD_NODE )
((ClassAd*)tree)->InsertAttr ( attr_name , attr_value ) ;
}
}
bool
Compress( ClassAdCollectionServer *server, LocalCollectionQuery *query,
const References &refs, CompressedAds &comp, list<ClassAd*> &rest )
{
string key, sig;
References::const_iterator ritr;
ClassAd *ad;
CompressedAds::iterator citr;
ClassAdBin *bin;
query->ToFirst( );
query->Current( key );
while( !query->IsAfterLast( ) ) {
// get ad
if( !( ad = server->GetClassAd( key ) ) ) {
return( false );
}
// get signature of current ad
if( !MakeSignature( ad, refs, sig ) ) {
// can't make signature --- can't compress
rest.push_back( (ClassAd*) ad->Copy( ) );
}
// get bin
if( ( citr = comp.find( sig ) ) == comp.end( ) ) {
// no bin ... make one
bin = new ClassAdBin;
bin->count = 1;
// make a projected classad
for( ritr=refs.begin( ); ritr!=refs.end( ); ritr++ ) {
bin->ad->Insert( *ritr, ad->Lookup( *ritr )->Copy( ), false );
}
// insert bin into container
comp[sig] = bin;
} else {
// increment membership in bin
bin = citr->second;
bin->count++;
}
// process next ad
query->Next( key );
}
return( true );
}
bool ServerTransaction::
Commit( )
{
bool undoNeeded = false;
CollectionOpList::iterator itr;
ClassAd *ad;
printf("in commit");
// sanity check
if( !server ) return( false );
// play all the operations into the data structure
for( itr = opList.begin( ); itr != opList.end( ); itr++ ) {
// we're going to write over/destroy an ad; save it first
if( ( ad = server->GetClassAd( itr->key ) ) ) {
if( !( itr->backup = (ClassAd *) ad->Copy( ) ) ) {
xactionErrno = CondorErrno;
xactionErrMsg = CondorErrMsg;
xactionErrCause = itr->rec;
itr->rec = NULL;
return( false );
}
}
// play the operation on the collection
if( !server->PlayClassAdOp( itr->op, itr->rec ) ) {
// if the operation failed, we need to undo the xaction
xactionErrCause = itr->rec;
itr->rec = NULL;
undoNeeded = true;
break;
}
}
if( !undoNeeded ) return( true );
// we need to undo the effects of the transaction
CollectionOpList::iterator uitr;
ClassAdTable::iterator caitr;
// undo all operations upto (not including) the failed operation
for( uitr = opList.begin( ); uitr != itr; uitr++ ) {
caitr = server->classadTable.find( uitr->key );
// if we have to undo a "remove classad" op ...
if(uitr->op==ClassAdCollectionInterface::ClassAdCollOp_RemoveClassAd) {
// try to restore a backup only if we have a backup at all ...
if( uitr->backup ) {
ClassAdProxy proxy;
// ... re-insert the previous (backed up) classad
if( !server->viewTree.ClassAdInserted( server, uitr->key,
uitr->backup ) ) {
// failure during undo is fatal
CondorErrno = ERR_FATAL_ERROR;
CondorErrMsg += "; could not undo failed transaction";
return( false );
}
// put backup into classad table
proxy.ad = uitr->backup;
uitr->backup = NULL;
server->classadTable[uitr->key] = proxy;
}
} else {
// we are undoing an add, update or modify operation
Value val;
ClassAd *collAd = caitr->second.ad;;
if( uitr->backup == NULL ) {
// if the collection did not have an ad in the first
// place just delete the new ad from the collection
server->classadTable.erase( caitr );
server->viewTree.ClassAdDeleted( server, uitr->key, collAd );
} else {
// we need to replace the collAd with the backup
server->viewTree.ClassAdPreModify( server, collAd );
server->viewTree.ClassAdModified(server,uitr->key,uitr->backup);
caitr->second.ad = uitr->backup;
uitr->backup = NULL;
}
}
}
// clear out transaction and signal failure
ClearRecords( );
CondorErrno = xactionErrno;
CondorErrMsg = xactionErrMsg;
return( false );
}
