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Diffstat (limited to 'ucbhelper/inc/ucbhelper/resultsethelper.hxx')
| -rw-r--r-- | ucbhelper/inc/ucbhelper/resultsethelper.hxx | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/ucbhelper/inc/ucbhelper/resultsethelper.hxx b/ucbhelper/inc/ucbhelper/resultsethelper.hxx new file mode 100644 index 000000000000..6bc07e4018b8 --- /dev/null +++ b/ucbhelper/inc/ucbhelper/resultsethelper.hxx @@ -0,0 +1,274 @@ +/************************************************************************* + * + * $RCSfile: resultsethelper.hxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 17:03:37 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef _UCBHELPER_RESULTSETHELPER_HXX +#define _UCBHELPER_RESULTSETHELPER_HXX + +#ifndef _OSL_MUTEX_HXX_ +#include <osl/mutex.hxx> +#endif +#ifndef _COM_SUN_STAR_LANG_XMULTISERVICEFACTORY_HPP_ +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#endif +#ifndef _COM_SUN_STAR_LANG_XTYPEPROVIDER_HPP_ +#include <com/sun/star/lang/XTypeProvider.hpp> +#endif +#ifndef _COM_SUN_STAR_LANG_XSERVICEINFO_HPP_ +#include <com/sun/star/lang/XServiceInfo.hpp> +#endif +#ifndef _COM_SUN_STAR_UCB_XDYNAMICRESULTSET_HPP_ +#include <com/sun/star/ucb/XDynamicResultSet.hpp> +#endif +#ifndef _COM_SUN_STAR_UCB_XCOMMANDENVIRONMENT_HPP_ +#include <com/sun/star/ucb/XCommandEnvironment.hpp> +#endif +#ifndef _COM_SUN_STAR_UCB_OPENCOMMANDARGUMENT2_HPP_ +#include <com/sun/star/ucb/OpenCommandArgument2.hpp> +#endif +#ifndef _CPPUHELPER_WEAK_HXX_ +#include <cppuhelper/weak.hxx> +#endif +#ifndef _UCBHELPER_MACROS_HXX +#include <ucbhelper/macros.hxx> +#endif +#ifndef _UCBHELPER_CONTENTHELPER_HXX +#include <ucbhelper/contenthelper.hxx> +#endif + +namespace cppu { + class OInterfaceContainerHelper; +} + +namespace ucb { + +//========================================================================= + +#define DYNAMICRESULTSET_SERVICE_NAME \ + "com.sun.star.ucb.DynamicContentResultSet" + +//========================================================================= + +/** + * This is an abstract base class for implementations of the service + * com.sun.star.ucb.DynamicResultSet, which is the result of the command + * "open" executed at a UCB folder content. + * + * Features of the base class implementation: + * - standard interfaces ( XInterface, XTypeProvider, XServiceInfo ) + * - all required interfaces for service com::sun::star::ucb::DynamicResultSet + */ +class ResultSetImplHelper : + public cppu::OWeakObject, + public com::sun::star::lang::XTypeProvider, + public com::sun::star::lang::XServiceInfo, + public com::sun::star::ucb::XDynamicResultSet +{ + cppu::OInterfaceContainerHelper* m_pDisposeEventListeners; + sal_Bool m_bStatic; + sal_Bool m_bInitDone; + +protected: + osl::Mutex m_aMutex; + com::sun::star::ucb::OpenCommandArgument2 m_aCommand; + com::sun::star::uno::Reference< + com::sun::star::lang::XMultiServiceFactory > m_xSMgr; + // Resultset #1 + com::sun::star::uno::Reference< + com::sun::star::sdbc::XResultSet > m_xResultSet1; + // Resultset #2 + com::sun::star::uno::Reference< + com::sun::star::sdbc::XResultSet > m_xResultSet2; + // Resultset changes listener. + com::sun::star::uno::Reference< + com::sun::star::ucb::XDynamicResultSetListener > m_xListener; + +private: + void init( sal_Bool bStatic ); + + /** + * Your implementation of this method has to fill the protected member + * m_xResultSet1. This resultset must implement a complete static + * resultset ( service com.sun.star.ucb.ContentResultSet ). This method + * will be called at most once in the life of your implementation object. + * After this method was called, the type of this resultset will be + * "static". There is no way to change the type afterwards. + * If this method gets called the client wants to use your resultset + * exclusively statically. You may deploy this factum to optimize your + * implementation (i.e. "switch off" all changes detection code in + * your implementation). + * Note that you may use the class ucb::ResultSet to implement the + * static resultset, that is required here. + */ + virtual void initStatic() = 0; + + /** + * Your implementation of this method has to fill the protected members + * m_xResultSet1 and m_xResultSet2 of this base class. Each of these + * resultsets must implement a complete static resultset + * ( service com.sun.star.ucb.ContentResultSet ). This method will be + * called at most once in the life of your implementation object. + * After this method was called, the type of this resultset will be + * "dynamic". There is no way to change the type afterwards. + * If this method gets called the client wants to use your resultset + * exclusively dynamically. This means, it is interested in getting + * notifications on changes of data of the resultset contents. ( These + * changes are to propagate by your implementation throw the member + * m_xListener of this base class ). + * If your implementation cannot detect changes of relevant data, you + * may fill m_xResultSet1 and m_xResultSet2 with the same static resultset + * implementation object. This normally will be the same instance you put + * into m_xResultSet1 when initStatic() is called. + */ + virtual void initDynamic() = 0; + +public: + /** + * Construtor. + * + * @param rxSMgr is a Service Manager. + */ + ResultSetImplHelper( + const com::sun::star::uno::Reference< + com::sun::star::lang::XMultiServiceFactory >& rxSMgr ); + + /** + * Construtor. + * + * @param rxSMgr is a Service Manager. + * @param rCommand is the paramter for the open command that produces + * this resultset. + */ + ResultSetImplHelper( + const com::sun::star::uno::Reference< + com::sun::star::lang::XMultiServiceFactory >& rxSMgr, + const com::sun::star::ucb::OpenCommandArgument2& rCommand ); + + /** + * Destructor. + */ + virtual ~ResultSetImplHelper(); + + // XInterface + XINTERFACE_DECL() + + // XTypeProvider + XTYPEPROVIDER_DECL() + + // XServiceInfo + XSERVICEINFO_NOFACTORY_DECL() + + // XComponent ( base class of XDynamicResultSet ) + virtual void SAL_CALL + dispose() + throw( com::sun::star::uno::RuntimeException ); + virtual void SAL_CALL + addEventListener( const com::sun::star::uno::Reference< + com::sun::star::lang::XEventListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + virtual void SAL_CALL + removeEventListener( const com::sun::star::uno::Reference< + com::sun::star::lang::XEventListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + + // XDynamicResultSet + virtual com::sun::star::uno::Reference< + com::sun::star::sdbc::XResultSet > SAL_CALL + getStaticResultSet() + throw( com::sun::star::ucb::ListenerAlreadySetException, + com::sun::star::uno::RuntimeException ); + virtual void SAL_CALL + setListener( const com::sun::star::uno::Reference< + com::sun::star::ucb::XDynamicResultSetListener >& Listener ) + throw( com::sun::star::ucb::ListenerAlreadySetException, + com::sun::star::uno::RuntimeException ); + virtual void SAL_CALL + connectToCache( const com::sun::star::uno::Reference< + com::sun::star::ucb::XDynamicResultSet > & xCache ) + throw( com::sun::star::ucb::ListenerAlreadySetException, + com::sun::star::ucb::AlreadyInitializedException, + com::sun::star::ucb::ServiceNotFoundException, + com::sun::star::uno::RuntimeException ); + + /** + * The implemetation of this method always returns 0. Override this + * method, if necassary. + */ + virtual sal_Int16 SAL_CALL + getCapabilities() + throw( com::sun::star::uno::RuntimeException ); + + ////////////////////////////////////////////////////////////////////// + // Non-interface methods. + ////////////////////////////////////////////////////////////////////// + + /** + * This method returns, whether the resultset is static or dynamic. + * If neither getStatic() nor getDynamic() was called, the type + * of the resultset is "dynamic". + * + * @return true, if the resultset type is "static". False, otherwise. + */ + sal_Bool isStatic() const { return m_bStatic; } +}; + +} + +#endif /* !_UCBHELPER_RESULTSETHELPER_HXX */ |