| /* -*- C++ -*- */ |
| /* |
| * Copyright 2003-2004 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. |
| * |
| * |
| * @author Susantha Kumara (skumara@virtusa.com) |
| * |
| */ |
| |
| // !!! This include file must be first thing in file !!! |
| #include "../platforms/PlatformAutoSense.hpp" |
| |
| #include <axis/AxisException.hpp> |
| |
| #include "AppScopeHandlerPool.h" |
| #include "HandlerLoader.h" |
| |
| #include "../common/AxisTrace.h" |
| |
| extern AXIS_CPP_NAMESPACE_PREFIX HandlerLoader* g_pHandlerLoader; |
| |
| AXIS_CPP_NAMESPACE_START |
| |
| /* this class does not do the object level blocking. Instead expects the |
| * thread level blocking and waiting by the caller thread. |
| */ |
| AppScopeHandlerPool::AppScopeHandlerPool () |
| { |
| |
| } |
| |
| AppScopeHandlerPool::~AppScopeHandlerPool () |
| { |
| logEntryEngine("AppScopeHandlerPool::~AppScopeHandlerPool") |
| |
| for (map < int, list <BasicHandler*> >::iterator it = |
| m_Handlers.begin (); it != m_Handlers.end (); it++) |
| { |
| for (list <BasicHandler*>::iterator itr = (*it).second.begin (); |
| itr != (*it).second.end (); itr++) |
| { |
| g_pHandlerLoader->deleteHandler (*itr, (*it).first); |
| } |
| (*it).second.clear (); |
| } |
| m_Handlers.clear (); |
| |
| logExit() |
| } |
| |
| /* This method does not block the object. Instead expects that the calling |
| * thread MUST block itself and wait if the requested handler is not found. |
| */ |
| |
| int AppScopeHandlerPool::getInstance (BasicHandler** pHandler, int nLibId) |
| { |
| logEntryEngine("AppScopeHandlerPool::getInstance") |
| |
| Lock l(this); |
| int Status = AXIS_SUCCESS; |
| |
| if (m_Handlers.find (nLibId) != m_Handlers.end ()) |
| { |
| if (m_Handlers[nLibId].empty ()) |
| /* this means that the object is being used by some other thread |
| * but we cannot create any more objects because this is an |
| * application scope object. So just return SERVER_ENGINE_HANDLERBEINGUSED |
| */ |
| { |
| logThrowException("AxisEngineException - SERVER_ENGINE_HANDLER_BEING_USED") |
| |
| throw AxisEngineException(SERVER_ENGINE_HANDLER_BEING_USED); |
| } |
| else |
| { |
| *pHandler = m_Handlers[nLibId].front (); |
| m_Handlers[nLibId].pop_front (); |
| } |
| } |
| else // Not even the handler DLL loaded |
| { |
| Status = g_pHandlerLoader->createHandler (pHandler, nLibId); |
| if (AXIS_SUCCESS == Status) |
| { |
| /* This just creates the entry in m_Handlers so that next time we |
| * know that the DLL is loaded |
| */ |
| m_Handlers[nLibId].clear (); |
| } |
| } |
| |
| logExitWithReturnCode(Status) |
| |
| return Status; |
| } |
| |
| int AppScopeHandlerPool::putInstance (BasicHandler* pHandler, int nLibId) |
| { |
| logEntryEngine("AppScopeHandlerPool::putInstance") |
| |
| Lock l(this); |
| m_Handlers[nLibId].push_back (pHandler); |
| |
| logExitWithReturnCode(AXIS_SUCCESS) |
| |
| return AXIS_SUCCESS; |
| } |
| |
| AXIS_CPP_NAMESPACE_END |