/*
 *
 * Copyright (c) 2006 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
#include "qpid/broker/TxAck.h"

using std::bind1st;
using std::bind2nd;
using std::mem_fun_ref;
using namespace qpid::broker;

TxAck::TxAck(AccumulatedAck& _acked, std::list<DeliveryRecord>& _unacked) : acked(_acked), unacked(_unacked){

}

bool TxAck::prepare(TransactionContext* ctxt) throw(){
    try{
        //dequeue all acked messages from their queues
        for (ack_iterator i = unacked.begin(); i != unacked.end(); i++) {
            if (i->coveredBy(&acked)) {
                i->discard(ctxt);
            }
        }
        //for_each(unacked.begin(), unacked.end(), bind2nd(mem_fun_ref(&DeliveryRecord::discardIfCoveredBy), &acked));
        return true;
    }catch(...){
        std::cout << "TxAck::prepare() - Failed to prepare" << std::endl;
        return false;
    }
}

void TxAck::commit() throw(){
    //remove all acked records from the list
    unacked.remove_if(bind2nd(mem_fun_ref(&DeliveryRecord::coveredBy), &acked));
}

void TxAck::rollback() throw(){
}
