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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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/TxAccept.h"
#include "qpid/log/Statement.h"
using std::bind1st;
using std::bind2nd;
using std::mem_fun_ref;
using namespace qpid::broker;
using qpid::framing::SequenceSet;
using qpid::framing::SequenceNumber;
TxAccept::RangeOp::RangeOp(const AckRange& r) : range(r) {}
void TxAccept::RangeOp::prepare(TransactionContext* ctxt)
{
for_each(range.start, range.end, bind(&DeliveryRecord::dequeue, _1, ctxt));
}
void TxAccept::RangeOp::commit()
{
for_each(range.start, range.end, bind(&DeliveryRecord::committed, _1));
for_each(range.start, range.end, bind(&DeliveryRecord::setEnded, _1));
}
TxAccept::RangeOps::RangeOps(DeliveryRecords& u) : unacked(u) {}
void TxAccept::RangeOps::operator()(SequenceNumber start, SequenceNumber end)
{
ranges.push_back(RangeOp(DeliveryRecord::findRange(unacked, start, end)));
}
void TxAccept::RangeOps::prepare(TransactionContext* ctxt)
{
std::for_each(ranges.begin(), ranges.end(), bind(&RangeOp::prepare, _1, ctxt));
}
void TxAccept::RangeOps::commit()
{
std::for_each(ranges.begin(), ranges.end(), bind(&RangeOp::commit, _1));
//now remove if isRedundant():
if (!ranges.empty()) {
DeliveryRecords::iterator begin = ranges.front().range.start;
DeliveryRecords::iterator end = ranges.back().range.end;
DeliveryRecords::iterator removed = remove_if(begin, end, mem_fun_ref(&DeliveryRecord::isRedundant));
unacked.erase(removed, end);
}
}
TxAccept::TxAccept(const SequenceSet& _acked, DeliveryRecords& _unacked) :
acked(_acked), unacked(_unacked), ops(unacked)
{
//populate the ops
acked.for_each(ops);
}
bool TxAccept::prepare(TransactionContext* ctxt) throw()
{
try{
ops.prepare(ctxt);
return true;
}catch(const std::exception& e){
QPID_LOG(error, "Failed to prepare: " << e.what());
return false;
}catch(...){
QPID_LOG(error, "Failed to prepare");
return false;
}
}
void TxAccept::commit() throw()
{
try {
ops.commit();
} catch (const std::exception& e) {
QPID_LOG(error, "Failed to commit: " << e.what());
} catch(...) {
QPID_LOG(error, "Failed to commit (unknown error)");
}
}
void TxAccept::rollback() throw() {}
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