| /* |
| * |
| * 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 "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) |
| { |
| for_each(ranges.begin(), ranges.end(), bind(&RangeOp::prepare, _1, ctxt)); |
| } |
| |
| void TxAccept::RangeOps::commit() |
| { |
| for_each(ranges.begin(), ranges.end(), bind(&RangeOp::commit, _1)); |
| //now remove if isRedundant(): |
| if (!ranges.empty()) { |
| ack_iterator i = ranges.front().range.start; |
| ack_iterator end = ranges.back().range.end; |
| while (i != end) { |
| if (i->isRedundant()) { |
| i = unacked.erase(i); |
| } else { |
| i++; |
| } |
| } |
| } |
| } |
| |
| 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() |
| { |
| ops.commit(); |
| } |
| |
| void TxAccept::rollback() throw() {} |