/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * 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 . */ #ifndef INCLUDED_UCBHELPER_RESULTSET_HXX #define INCLUDED_UCBHELPER_RESULTSET_HXX #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include namespace ucbhelper { //========================================================================= #define RESULTSET_SERVICE_NAME "com.sun.star.ucb.ContentResultSet" //========================================================================= class ResultSetDataSupplier; struct ResultSet_Impl; /** * This is an implementation of the service com.sun.star.ucb.ContentResultSet. * It can be used to implement the method XDynamicResultSet::getStaticResultSet, * which needs to be implemented for instance to implement the command "open" * at folder objects. This class uses a user supplied ResultSetDataSupplier * object to request data on demand. * * @see ResultSetDataSupplier */ class UCBHELPER_DLLPUBLIC ResultSet : public cppu::OWeakObject, public com::sun::star::lang::XTypeProvider, public com::sun::star::lang::XServiceInfo, public com::sun::star::lang::XComponent, public com::sun::star::ucb::XContentAccess, public com::sun::star::sdbc::XResultSet, public com::sun::star::sdbc::XResultSetMetaDataSupplier, public com::sun::star::sdbc::XRow, public com::sun::star::sdbc::XCloseable, public com::sun::star::beans::XPropertySet { ResultSet_Impl* m_pImpl; public: /** * Construction. * * @param rxSMgr is a Service Manager. * @param rProperties is a sequence of properties for that the resultset * shall be able to obtain the values. * @param rDataSupplier is a supplier for the resultset data. */ ResultSet( const com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >& rxContext, const com::sun::star::uno::Sequence< com::sun::star::beans::Property >& rProperties, const rtl::Reference< ResultSetDataSupplier >& rDataSupplier ); /** * Construction. * * @param rxSMgr is a Service Manager. * @param rProperties is a sequence of properties for that the resultset * shall be able to obtain the values. * @param rDataSupplier is a supplier for the resultset data. * @param rxEnv is the environment for interactions, progress propagation, * ... */ ResultSet( const com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >& rxContext, const com::sun::star::uno::Sequence< com::sun::star::beans::Property >& rProperties, const rtl::Reference< ResultSetDataSupplier >& rDataSupplier, const com::sun::star::uno::Reference< com::sun::star::ucb::XCommandEnvironment >& rxEnv ); virtual ~ResultSet(); // XInterface XINTERFACE_DECL() // XTypeProvider XTYPEPROVIDER_DECL() // XServiceInfo XSERVICEINFO_NOFACTORY_DECL() // XComponent 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 ); // XContentAccess virtual OUString SAL_CALL queryContentIdentifierString() throw( com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Reference< com::sun::star::ucb::XContentIdentifier > SAL_CALL queryContentIdentifier() throw( com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Reference< com::sun::star::ucb::XContent > SAL_CALL queryContent() throw( com::sun::star::uno::RuntimeException ); // XResultSetMetaDataSupplier virtual com::sun::star::uno::Reference< com::sun::star::sdbc::XResultSetMetaData > SAL_CALL getMetaData() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); // XResultSet virtual sal_Bool SAL_CALL next() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL isBeforeFirst() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL isAfterLast() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL isFirst() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL isLast() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual void SAL_CALL beforeFirst() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual void SAL_CALL afterLast() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL first() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL last() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Int32 SAL_CALL getRow() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL absolute( sal_Int32 row ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL relative( sal_Int32 rows ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL previous() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual void SAL_CALL refreshRow() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL rowUpdated() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL rowInserted() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL rowDeleted() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Reference< com::sun::star::uno::XInterface > SAL_CALL getStatement() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); // XRow virtual sal_Bool SAL_CALL wasNull() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual OUString SAL_CALL getString( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Bool SAL_CALL getBoolean( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Int8 SAL_CALL getByte( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Int16 SAL_CALL getShort( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Int32 SAL_CALL getInt( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual sal_Int64 SAL_CALL getLong( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual float SAL_CALL getFloat( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual double SAL_CALL getDouble( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL getBytes( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::util::Date SAL_CALL getDate( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::util::Time SAL_CALL getTime( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::util::DateTime SAL_CALL getTimestamp( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Reference< com::sun::star::io::XInputStream > SAL_CALL getBinaryStream( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Reference< com::sun::star::io::XInputStream > SAL_CALL getCharacterStream( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Any SAL_CALL getObject( sal_Int32 columnIndex, const com::sun::star::uno::Reference< com::sun::star::container::XNameAccess >& typeMap ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Reference< com::sun::star::sdbc::XRef > SAL_CALL getRef( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Reference< com::sun::star::sdbc::XBlob > SAL_CALL getBlob( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Reference< com::sun::star::sdbc::XClob > SAL_CALL getClob( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Reference< com::sun::star::sdbc::XArray > SAL_CALL getArray( sal_Int32 columnIndex ) throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); // XCloseable virtual void SAL_CALL close() throw( com::sun::star::sdbc::SQLException, com::sun::star::uno::RuntimeException ); // XPropertySet virtual com::sun::star::uno::Reference< com::sun::star::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo() throw( com::sun::star::uno::RuntimeException ); virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const com::sun::star::uno::Any& aValue ) throw( com::sun::star::beans::UnknownPropertyException, com::sun::star::beans::PropertyVetoException, com::sun::star::lang::IllegalArgumentException, com::sun::star::lang::WrappedTargetException, com::sun::star::uno::RuntimeException ); virtual com::sun::star::uno::Any SAL_CALL getPropertyValue( const OUString& PropertyName ) throw( com::sun::star::beans::UnknownPropertyException, com::sun::star::lang::WrappedTargetException, com::sun::star::uno::RuntimeException ); virtual void SAL_CALL addPropertyChangeListener( const OUString& aPropertyName, const com::sun::star::uno::Reference< com::sun::star::beans::XPropertyChangeListener >& xListener ) throw( com::sun::star::beans::UnknownPropertyException, com::sun::star::lang::WrappedTargetException, com::sun::star::uno::RuntimeException ); virtual void SAL_CALL removePropertyChangeListener( const OUString& aPropertyName, const com::sun::star::uno::Reference< com::sun::star::beans::XPropertyChangeListener >& aListener ) throw( com::sun::star::beans::UnknownPropertyException, com::sun::star::lang::WrappedTargetException, com::sun::star::uno::RuntimeException ); virtual void SAL_CALL addVetoableChangeListener( const OUString& PropertyName, const com::sun::star::uno::Reference< com::sun::star::beans::XVetoableChangeListener >& aListener ) throw( com::sun::star::beans::UnknownPropertyException, com::sun::star::lang::WrappedTargetException, com::sun::star::uno::RuntimeException ); virtual void SAL_CALL removeVetoableChangeListener( const OUString& PropertyName, const com::sun::star::uno::Reference< com::sun::star::beans::XVetoableChangeListener >& aListener ) throw( com::sun::star::beans::UnknownPropertyException, com::sun::star::lang::WrappedTargetException, com::sun::star::uno::RuntimeException ); ///////////////////////////////////////////////////////////////////// // Non-interface methods. ///////////////////////////////////////////////////////////////////// /** * This method propagates property value changes to all registered * listeners. * * @param rEvt is a property change event. */ void propertyChanged( const com::sun::star::beans::PropertyChangeEvent& rEvt ); /** * This method should be called by the data supplier for the result set * to indicate that there were new data obtained from the data source. * * @param nOld is the old count of rows; must be non-negative. * @param nnew is the new count of rows; must be non-negative. */ void rowCountChanged( sal_uInt32 nOld, sal_uInt32 nNew ); /** * This method should be called by the data supplier for the result set * to indicate that there were all rows obtained from the data source. */ void rowCountFinal(); /** * This method returns a sequence containing all properties ( not the * values! ) of the result set. * * @return a sequence of properties. */ const com::sun::star::uno::Sequence< com::sun::star::beans::Property >& getProperties(); /** * This method returns the environment to use for interactions, progress * propagation, ... It can by empty. * * @return an environment or an empty reference. */ const com::sun::star::uno::Reference< com::sun::star::ucb::XCommandEnvironment >& getEnvironment(); }; //========================================================================= /** * This is the base class for an object that supplies data to a result set * * @see ResultSet */ class ResultSetDataSupplier : public salhelper::SimpleReferenceObject { friend class ResultSet; // No ref, otherwise we get a cyclic reference between supplier and set! // Will be set from ResultSet ctor. ResultSet* m_pResultSet; public: ResultSetDataSupplier() : m_pResultSet( 0 ) {} /** * This method returns the resultset this supplier belongs to. * * @return the resultset for that the supplier supplies data. */ rtl::Reference< ResultSet > getResultSet() const { return m_pResultSet; } /** * This method returns the identifier string of the content at the * specified index. * * @param nIndex is the zero-based index within the logical data array * of the supplier; must be non-negative. * @return the content's identifier string. */ virtual OUString queryContentIdentifierString( sal_uInt32 nIndex ) = 0; /** * This method returns the identifier of the content at the specified index. * * @param nIndex is the zero-based index within the logical data array * of the supplier; must be non-negative. * @return the content's identifier. */ virtual com::sun::star::uno::Reference< com::sun::star::ucb::XContentIdentifier > queryContentIdentifier( sal_uInt32 nIndex ) = 0; /** * This method returns the content at the specified index. * * @param nIndex is the zero-based index within the logical data array * of the supplier; must be non-negative. * @return the content. */ virtual com::sun::star::uno::Reference< com::sun::star::ucb::XContent > queryContent( sal_uInt32 nIndex ) = 0; /** * This method returns whether there is a content at the specified index. * * @param nIndex is the zero-based index within the logical data array * of the supplier; must be non-negative. * @return true, if there is a content at the given index. */ virtual bool getResult( sal_uInt32 nIndex ) = 0; /** * This method returns the total count of objects in the logical data array * of the supplier. The implementation of this method may be very * "expensive", because it can be necessary to obtain all data in order * to determine the count. Therefor the ResultSet implementation calls * it very seldom. * * @return the total count of objects; will always be non-negative. */ virtual sal_uInt32 totalCount() = 0; /** * This method returns the count of objects obtained so far. There is no * for the implementation to obtain all objects at once. It can obtain * all data on demand. * * The implementation should call m_pResultSet->rowCountChanged(...) * everytime it has inserted a new entry in its logical result array. * * @return the count of objects obtained so far; will always be * non-negative. */ virtual sal_uInt32 currentCount() = 0; /** * This method returns whether the value returned by currentCount() is * "final". This is the case, if that there was all data obtained by the * supplier and the current count won't increase any more. * * The implementation should call m_pResultSet->rowCountFinal(...) if * it has inserted all entries in its logical result array. * * @return true, if the value returned by currentCount() won't change anymore. */ virtual bool isCountFinal() = 0; /** * This method returns an object for accessing the property values at * the specified index. The implementation may use the helper class * ucb::PropertyValueSet to provide the return value. * * @param nIndex is the zero-based index within the logical data array * of the supplier. * @return the object for accessing the property values. */ virtual com::sun::star::uno::Reference< com::sun::star::sdbc::XRow > queryPropertyValues( sal_uInt32 nIndex ) = 0; /** * This method is called to instruct the supplier to release the (possibly * presnt) property values at the given index. * * @param nIndex is the zero-based index within the logical data array * of the supplier. */ virtual void releasePropertyValues( sal_uInt32 nIndex ) = 0; /** * This method will be called by the resultset implementation in order * to instruct the data supplier to release all resources it has * allocated so far. In case the supplier is collecting data * asynchronously, that process must be stopped. */ virtual void close() = 0; /** * This method will be called by the resultset implementation in order * check, whether an error has occurred while collecting data. The * implementation of this method must throw an exception in that case. * * Note: An exception thrown to indicate an error must always be thrown * by the thread that created the data supplier. If the supplier collects * data asynchronously ( i.e. in a separate thread ) and an error * occurs, throwing of the appropriate exception must be deferred * until validate() is called by the ResultSet implementation from * inside the main thread. * In case data are obtained synchronously, the ResultSetException can * be thrown directly. * * @exception ResultSetException thrown, if an error has occurred */ virtual void validate() throw( com::sun::star::ucb::ResultSetException ) = 0; }; } #endif /* ! INCLUDED_UCBHELPER_RESULTSET_HXX */ /* vim:set shiftwidth=4 softtabstop=4 expandtab: */