| /* |
| * |
| * 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 "TxBuffer.h" |
| #include "qpid/log/Statement.h" |
| |
| #include <boost/mem_fn.hpp> |
| #include <boost/bind.hpp> |
| using boost::mem_fn; |
| using namespace qpid::broker; |
| |
| bool TxBuffer::prepare(TransactionContext* const ctxt) |
| { |
| for(op_iterator i = ops.begin(); i < ops.end(); i++){ |
| if(!(*i)->prepare(ctxt)){ |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| void TxBuffer::commit() |
| { |
| std::for_each(ops.begin(), ops.end(), mem_fn(&TxOp::commit)); |
| ops.clear(); |
| } |
| |
| void TxBuffer::rollback() |
| { |
| std::for_each(ops.begin(), ops.end(), mem_fn(&TxOp::rollback)); |
| ops.clear(); |
| } |
| |
| void TxBuffer::enlist(TxOp::shared_ptr op) |
| { |
| ops.push_back(op); |
| } |
| |
| bool TxBuffer::commitLocal(TransactionalStore* const store) |
| { |
| if (!store) return false; |
| try { |
| std::auto_ptr<TransactionContext> ctxt = store->begin(); |
| if (prepare(ctxt.get())) { |
| store->commit(*ctxt); |
| commit(); |
| return true; |
| } else { |
| store->abort(*ctxt); |
| rollback(); |
| return false; |
| } |
| } catch (std::exception& e) { |
| QPID_LOG(error, "Commit failed with exception: " << e.what()); |
| } catch (...) { |
| QPID_LOG(error, "Commit failed with unknown exception"); |
| } |
| return false; |
| } |
| |
| void TxBuffer::accept(TxOpConstVisitor& v) const { |
| std::for_each(ops.begin(), ops.end(), boost::bind(&TxOp::accept, _1, boost::ref(v))); |
| } |