531 lines
17 KiB
C++
531 lines
17 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_ucb.hxx"
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#include <dynamicresultsetwrapper.hxx>
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#include <ucbhelper/macros.hxx>
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#include <osl/diagnose.h>
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#include <rtl/ustring.hxx>
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#include <com/sun/star/ucb/ListActionType.hpp>
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#include <com/sun/star/ucb/WelcomeDynamicResultSetStruct.hpp>
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#include <com/sun/star/ucb/XCachedDynamicResultSetStubFactory.hpp>
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using namespace com::sun::star::lang;
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using namespace com::sun::star::sdbc;
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using namespace com::sun::star::ucb;
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using namespace com::sun::star::uno;
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using namespace cppu;
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using ::rtl::OUString;
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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// class DynamicResultSetWrapper
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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DynamicResultSetWrapper::DynamicResultSetWrapper(
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Reference< XDynamicResultSet > xOrigin
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, const Reference< XMultiServiceFactory > & xSMgr )
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: m_bDisposed( sal_False )
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, m_bInDispose( sal_False )
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, m_pDisposeEventListeners( NULL )
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, m_xSMgr( xSMgr )
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, m_bStatic( sal_False )
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, m_bGotWelcome( sal_False )
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, m_xSource( xOrigin )
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, m_xSourceResultOne( NULL )
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, m_xSourceResultTwo( NULL )
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// , m_xSourceResultCurrent( NULL )
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// , m_bUseOne( NULL )
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, m_xMyResultOne( NULL )
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, m_xMyResultTwo( NULL )
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, m_xListener( NULL )
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{
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m_pMyListenerImpl = new DynamicResultSetWrapperListener( this );
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m_xMyListenerImpl = Reference< XDynamicResultSetListener >( m_pMyListenerImpl );
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//call impl_init() at the end of constructor of derived class
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};
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void SAL_CALL DynamicResultSetWrapper::impl_init()
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{
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//call this at the end of constructor of derived class
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//
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Reference< XDynamicResultSet > xSource = NULL;
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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xSource = m_xSource;
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m_xSource = NULL;
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}
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if( xSource.is() )
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setSource( xSource );
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}
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DynamicResultSetWrapper::~DynamicResultSetWrapper()
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{
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//call impl_deinit() at start of destructor of derived class
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delete m_pDisposeEventListeners;
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};
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void SAL_CALL DynamicResultSetWrapper::impl_deinit()
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{
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//call this at start of destructor of derived class
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//
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m_pMyListenerImpl->impl_OwnerDies();
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}
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void SAL_CALL DynamicResultSetWrapper
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::impl_EnsureNotDisposed()
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throw( DisposedException, RuntimeException )
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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if( m_bDisposed )
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throw DisposedException();
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}
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//virtual
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void SAL_CALL DynamicResultSetWrapper
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::impl_InitResultSetOne( const Reference< XResultSet >& xResultSet )
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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OSL_ENSURE( !m_xSourceResultOne.is(), "Source ResultSet One is set already" );
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m_xSourceResultOne = xResultSet;
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m_xMyResultOne = xResultSet;
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}
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//virtual
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void SAL_CALL DynamicResultSetWrapper
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::impl_InitResultSetTwo( const Reference< XResultSet >& xResultSet )
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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OSL_ENSURE( !m_xSourceResultTwo.is(), "Source ResultSet Two is set already" );
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m_xSourceResultTwo = xResultSet;
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m_xMyResultTwo = xResultSet;
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}
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//--------------------------------------------------------------------------
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// XInterface methods.
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//--------------------------------------------------------------------------
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//list all interfaces inclusive baseclasses of interfaces
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QUERYINTERFACE_IMPL_START( DynamicResultSetWrapper )
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SAL_STATIC_CAST( XComponent*, this ) //base of XDynamicResultSet
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, SAL_STATIC_CAST( XDynamicResultSet*, this )
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, SAL_STATIC_CAST( XSourceInitialization*, this )
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QUERYINTERFACE_IMPL_END
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//--------------------------------------------------------------------------
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// XComponent methods.
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//--------------------------------------------------------------------------
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// virtual
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void SAL_CALL DynamicResultSetWrapper
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::dispose() throw( RuntimeException )
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{
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impl_EnsureNotDisposed();
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Reference< XComponent > xSourceComponent;
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{
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osl::ClearableGuard< osl::Mutex > aGuard( m_aMutex );
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if( m_bInDispose || m_bDisposed )
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return;
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m_bInDispose = sal_True;
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xSourceComponent = Reference< XComponent >(m_xSource, UNO_QUERY);
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if( m_pDisposeEventListeners && m_pDisposeEventListeners->getLength() )
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{
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EventObject aEvt;
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aEvt.Source = static_cast< XComponent * >( this );
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aGuard.clear();
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m_pDisposeEventListeners->disposeAndClear( aEvt );
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}
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}
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/* //@todo ?? ( only if java collection needs to long )
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if( xSourceComponent.is() )
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xSourceComponent->dispose();
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*/
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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m_bDisposed = sal_True;
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m_bInDispose = sal_False;
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}
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//--------------------------------------------------------------------------
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// virtual
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void SAL_CALL DynamicResultSetWrapper
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::addEventListener( const Reference< XEventListener >& Listener )
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throw( RuntimeException )
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{
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impl_EnsureNotDisposed();
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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if ( !m_pDisposeEventListeners )
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m_pDisposeEventListeners =
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new OInterfaceContainerHelper( m_aContainerMutex );
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m_pDisposeEventListeners->addInterface( Listener );
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}
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//--------------------------------------------------------------------------
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// virtual
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void SAL_CALL DynamicResultSetWrapper
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::removeEventListener( const Reference< XEventListener >& Listener )
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throw( RuntimeException )
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{
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impl_EnsureNotDisposed();
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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if ( m_pDisposeEventListeners )
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m_pDisposeEventListeners->removeInterface( Listener );
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}
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//--------------------------------------------------------------------------
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// own methods
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//--------------------------------------------------------------------------
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//virtual
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void SAL_CALL DynamicResultSetWrapper
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::impl_disposing( const EventObject& )
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throw( RuntimeException )
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{
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impl_EnsureNotDisposed();
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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if( !m_xSource.is() )
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return;
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//release all references to the broadcaster:
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m_xSource.clear();
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m_xSourceResultOne.clear();//?? or only when not static??
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m_xSourceResultTwo.clear();//??
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//@todo m_xMyResultOne.clear(); ???
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//@todo m_xMyResultTwo.clear(); ???
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}
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//virtual
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void SAL_CALL DynamicResultSetWrapper
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::impl_notify( const ListEvent& Changes )
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throw( RuntimeException )
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{
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impl_EnsureNotDisposed();
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//@todo
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/*
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<p>The Listener is allowed to blockade this call, until he really want to go
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to the new version. The only situation, where the listener has to return the
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update call at once is, while he disposes his broadcaster or while he is
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removing himsef as listener (otherwise you deadlock)!!!
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*/
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// handle the actions in the list
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ListEvent aNewEvent;
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aNewEvent.Source = static_cast< XDynamicResultSet * >( this );
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aNewEvent.Changes = Changes.Changes;
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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for( long i=0; !m_bGotWelcome && i<Changes.Changes.getLength(); i++ )
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{
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ListAction& rAction = aNewEvent.Changes[i];
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switch( rAction.ListActionType )
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{
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case ListActionType::WELCOME:
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{
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WelcomeDynamicResultSetStruct aWelcome;
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if( rAction.ActionInfo >>= aWelcome )
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{
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impl_InitResultSetOne( aWelcome.Old );
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impl_InitResultSetTwo( aWelcome.New );
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m_bGotWelcome = sal_True;
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aWelcome.Old = m_xMyResultOne;
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aWelcome.New = m_xMyResultTwo;
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rAction.ActionInfo <<= aWelcome;
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}
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else
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{
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OSL_FAIL( "ListActionType was WELCOME but ActionInfo didn't contain a WelcomeDynamicResultSetStruct" );
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//throw RuntimeException();
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}
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break;
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}
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}
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}
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OSL_ENSURE( m_bGotWelcome, "first notification was without WELCOME" );
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}
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if( !m_xListener.is() )
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m_aListenerSet.wait();
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m_xListener->notify( aNewEvent );
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/*
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m_bUseOne = !m_bUseOne;
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if( m_bUseOne )
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m_xSourceResultCurrent = m_xSourceResultOne;
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else
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m_xSourceResultCurrent = m_xSourceResultTwo;
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*/
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}
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//--------------------------------------------------------------------------
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// XSourceInitialization
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//--------------------------------------------------------------------------
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//virtual
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void SAL_CALL DynamicResultSetWrapper
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::setSource( const Reference< XInterface > & Source )
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throw( AlreadyInitializedException, RuntimeException )
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{
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impl_EnsureNotDisposed();
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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if( m_xSource.is() )
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{
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throw AlreadyInitializedException();
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}
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}
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Reference< XDynamicResultSet > xSourceDynamic( Source, UNO_QUERY );
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OSL_ENSURE( xSourceDynamic.is(),
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"the given source is not of required type XDynamicResultSet" );
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Reference< XDynamicResultSetListener > xListener = NULL;
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Reference< XDynamicResultSetListener > xMyListenerImpl = NULL;
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sal_Bool bStatic = sal_False;
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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m_xSource = xSourceDynamic;
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xListener = m_xListener;
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bStatic = m_bStatic;
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xMyListenerImpl = m_xMyListenerImpl;
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}
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if( xListener.is() )
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xSourceDynamic->setListener( m_xMyListenerImpl );
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else if( bStatic )
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{
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Reference< XComponent > xSourceComponent( Source, UNO_QUERY );
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xSourceComponent->addEventListener( Reference< XEventListener > ::query( xMyListenerImpl ) );
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}
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m_aSourceSet.set();
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}
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//--------------------------------------------------------------------------
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// XDynamicResultSet
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//--------------------------------------------------------------------------
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//virtual
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Reference< XResultSet > SAL_CALL DynamicResultSetWrapper
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::getStaticResultSet()
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throw( ListenerAlreadySetException, RuntimeException )
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{
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impl_EnsureNotDisposed();
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Reference< XDynamicResultSet > xSource = NULL;
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Reference< XEventListener > xMyListenerImpl = NULL;
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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if( m_xListener.is() )
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throw ListenerAlreadySetException();
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xSource = m_xSource;
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m_bStatic = sal_True;
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xMyListenerImpl = Reference< XEventListener > ::query( m_xMyListenerImpl );
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}
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if( xSource.is() )
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{
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Reference< XComponent > xSourceComponent( xSource, UNO_QUERY );
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xSourceComponent->addEventListener( xMyListenerImpl );
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}
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if( !xSource.is() )
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m_aSourceSet.wait();
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Reference< XResultSet > xResultSet = xSource->getStaticResultSet();
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impl_InitResultSetOne( xResultSet );
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return m_xMyResultOne;
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}
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//virtual
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void SAL_CALL DynamicResultSetWrapper
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::setListener( const Reference<
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XDynamicResultSetListener > & Listener )
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throw( ListenerAlreadySetException, RuntimeException )
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{
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impl_EnsureNotDisposed();
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Reference< XDynamicResultSet > xSource = NULL;
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Reference< XDynamicResultSetListener > xMyListenerImpl = NULL;
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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if( m_xListener.is() )
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throw ListenerAlreadySetException();
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if( m_bStatic )
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throw ListenerAlreadySetException();
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m_xListener = Listener;
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addEventListener( Reference< XEventListener >::query( Listener ) );
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xSource = m_xSource;
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xMyListenerImpl = m_xMyListenerImpl;
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}
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if ( xSource.is() )
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xSource->setListener( xMyListenerImpl );
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m_aListenerSet.set();
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}
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//virtual
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void SAL_CALL DynamicResultSetWrapper
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::connectToCache( const Reference< XDynamicResultSet > & xCache )
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throw( ListenerAlreadySetException, AlreadyInitializedException, ServiceNotFoundException, RuntimeException )
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{
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impl_EnsureNotDisposed();
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if( m_xListener.is() )
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throw ListenerAlreadySetException();
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if( m_bStatic )
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throw ListenerAlreadySetException();
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Reference< XSourceInitialization > xTarget( xCache, UNO_QUERY );
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OSL_ENSURE( xTarget.is(), "The given Target dosn't have the required interface 'XSourceInitialization'" );
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if( xTarget.is() && m_xSMgr.is() )
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{
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//@todo m_aSourceSet.wait();?
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Reference< XCachedDynamicResultSetStubFactory > xStubFactory;
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try
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{
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xStubFactory = Reference< XCachedDynamicResultSetStubFactory >(
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m_xSMgr->createInstance(
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OUString(RTL_CONSTASCII_USTRINGPARAM(
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"com.sun.star.ucb.CachedDynamicResultSetStubFactory" )) ),
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UNO_QUERY );
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}
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catch ( Exception const & )
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{
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}
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if( xStubFactory.is() )
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{
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xStubFactory->connectToCache(
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this, xCache, Sequence< NumberedSortingInfo > (), NULL );
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return;
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}
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}
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OSL_FAIL( "could not connect to cache" );
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throw ServiceNotFoundException();
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}
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//virtual
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sal_Int16 SAL_CALL DynamicResultSetWrapper
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::getCapabilities()
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throw( RuntimeException )
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{
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impl_EnsureNotDisposed();
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m_aSourceSet.wait();
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Reference< XDynamicResultSet > xSource = NULL;
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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xSource = m_xSource;
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}
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return xSource->getCapabilities();
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}
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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// class DynamicResultSetWrapperListener
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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DynamicResultSetWrapperListener::DynamicResultSetWrapperListener(
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DynamicResultSetWrapper* pOwner )
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: m_pOwner( pOwner )
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{
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}
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DynamicResultSetWrapperListener::~DynamicResultSetWrapperListener()
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{
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}
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//--------------------------------------------------------------------------
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// XInterface methods.
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//--------------------------------------------------------------------------
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//list all interfaces inclusive baseclasses of interfaces
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XINTERFACE_IMPL_2( DynamicResultSetWrapperListener
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, XDynamicResultSetListener
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, XEventListener //base of XDynamicResultSetListener
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);
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//--------------------------------------------------------------------------
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// XDynamicResultSetListener methods:
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//--------------------------------------------------------------------------
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//virtual
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void SAL_CALL DynamicResultSetWrapperListener
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::disposing( const EventObject& rEventObject )
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throw( RuntimeException )
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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if( m_pOwner )
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m_pOwner->impl_disposing( rEventObject );
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}
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//virtual
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void SAL_CALL DynamicResultSetWrapperListener
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::notify( const ListEvent& Changes )
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throw( RuntimeException )
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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if( m_pOwner )
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m_pOwner->impl_notify( Changes );
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}
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//--------------------------------------------------------------------------
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// own methods:
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//--------------------------------------------------------------------------
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void SAL_CALL DynamicResultSetWrapperListener
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::impl_OwnerDies()
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{
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osl::Guard< osl::Mutex > aGuard( m_aMutex );
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m_pOwner = NULL;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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