573 lines
23 KiB
C++
573 lines
23 KiB
C++
/* -*- 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 <com/sun/star/lang/XTypeProvider.hpp>
|
|
#include <com/sun/star/lang/XServiceInfo.hpp>
|
|
#include <com/sun/star/lang/XComponent.hpp>
|
|
#include <com/sun/star/ucb/ResultSetException.hpp>
|
|
#include <com/sun/star/ucb/XCommandEnvironment.hpp>
|
|
#include <com/sun/star/ucb/XContentAccess.hpp>
|
|
#include <com/sun/star/sdbc/XResultSet.hpp>
|
|
#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
|
|
#include <com/sun/star/sdbc/XRow.hpp>
|
|
#include <com/sun/star/sdbc/XCloseable.hpp>
|
|
#include <com/sun/star/beans/XPropertySet.hpp>
|
|
|
|
#include "rtl/ref.hxx"
|
|
#include "salhelper/simplereferenceobject.hxx"
|
|
#include <cppuhelper/weak.hxx>
|
|
#include <ucbhelper/macros.hxx>
|
|
#include "ucbhelper/ucbhelperdllapi.h"
|
|
|
|
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 sal_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 implemetation 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 sal_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: */
|