| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_ucb.hxx" |
| #include "cachemapobject3.hxx" |
| #include "osl/diagnose.h" |
| #include "osl/interlck.h" |
| #include "osl/mutex.hxx" |
| #include "rtl/ref.hxx" |
| #include "rtl/ustring.hxx" |
| |
| #ifndef INCLUDED_MEMORY |
| #include <memory> |
| #define INCLUDED_MEMORY |
| #endif |
| |
| using ucb::cachemap::Object3; |
| using ucb::cachemap::ObjectContainer3; |
| |
| inline |
| Object3::Object3(rtl::Reference< ObjectContainer3 > const & rContainer): |
| m_xContainer(rContainer), |
| m_nRefCount(0) |
| { |
| OSL_ASSERT(m_xContainer.is()); |
| } |
| |
| inline Object3::~Object3() SAL_THROW(()) |
| {} |
| |
| void Object3::release() SAL_THROW(()) |
| { |
| if (osl_decrementInterlockedCount(&m_nRefCount) == 0) |
| { |
| m_xContainer->releaseElement(this); |
| delete this; |
| } |
| } |
| |
| void ObjectContainer3::releaseElement(Object3 * pElement) SAL_THROW(()) |
| { |
| OSL_ASSERT(pElement); |
| osl::MutexGuard aGuard(m_aMutex); |
| if (pElement->m_aContainerIt != m_aMap.end()) |
| m_aMap.erase(pElement->m_aContainerIt); |
| } |
| |
| ObjectContainer3::ObjectContainer3() |
| {} |
| |
| ObjectContainer3::~ObjectContainer3() SAL_THROW(()) |
| {} |
| |
| rtl::Reference< Object3 > ObjectContainer3::get(rtl::OUString const & rKey) |
| { |
| osl::MutexGuard aGuard(m_aMutex); |
| Map::iterator aIt(m_aMap.find(rKey)); |
| if (aIt == m_aMap.end()) |
| { |
| std::auto_ptr< Object3 > xElement(new Object3(this)); |
| aIt = m_aMap.insert(Map::value_type(rKey, xElement.get())).first; |
| aIt->second->m_aContainerIt = aIt; |
| xElement.release(); |
| return aIt->second; |
| } |
| else if (osl_incrementInterlockedCount(&aIt->second->m_nRefCount) > 1) |
| { |
| rtl::Reference< Object3 > xElement(aIt->second); |
| osl_decrementInterlockedCount(&aIt->second->m_nRefCount); |
| return xElement; |
| } |
| else |
| { |
| osl_decrementInterlockedCount(&aIt->second->m_nRefCount); |
| aIt->second->m_aContainerIt = m_aMap.end(); |
| aIt->second = new Object3(this); |
| aIt->second->m_aContainerIt = aIt; |
| return aIt->second; |
| } |
| } |