xref: /trunk/main/ucb/source/cacher/cachedcontentresultsetstub.hxx (revision 6df1ea1f)

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 *
 * 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
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 * 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
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#ifndef _CACHED_CONTENT_RESULTSET_STUB_HXX
#define _CACHED_CONTENT_RESULTSET_STUB_HXX

#include <contentresultsetwrapper.hxx>
#include <com/sun/star/lang/XTypeProvider.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/ucb/XFetchProvider.hpp>
#include <com/sun/star/ucb/XFetchProviderForContentAccess.hpp>
#include <com/sun/star/ucb/XCachedContentResultSetStubFactory.hpp>

#define CACHED_CRS_STUB_SERVICE_NAME "com.sun.star.ucb.CachedContentResultSetStub"
#define CACHED_CRS_STUB_FACTORY_NAME "com.sun.star.ucb.CachedContentResultSetStubFactory"

//=========================================================================

class CachedContentResultSetStub
				: public ContentResultSetWrapper
				, public com::sun::star::lang::XTypeProvider
				, public com::sun::star::lang::XServiceInfo
				, public com::sun::star::ucb::XFetchProvider
				, public com::sun::star::ucb::XFetchProviderForContentAccess
{
private:
	sal_Int32		m_nColumnCount;
	sal_Bool		m_bColumnCountCached;

	//members to propagate fetchsize and direction:
	sal_Bool		m_bNeedToPropagateFetchSize;
	sal_Bool		m_bFirstFetchSizePropagationDone;
	sal_Int32		m_nLastFetchSize;
	sal_Bool		m_bLastFetchDirection;
	const rtl::OUString		m_aPropertyNameForFetchSize;
	const rtl::OUString		m_aPropertyNameForFetchDirection;


	void SAL_CALL
	impl_getCurrentRowContent(
		com::sun::star::uno::Any& rRowContent,
		com::sun::star::uno::Reference<
			com::sun::star::sdbc::XRow > xRow )
		throw ( com::sun::star::sdbc::SQLException
			  , com::sun::star::uno::RuntimeException );

	sal_Int32 SAL_CALL
	impl_getColumnCount();

	void SAL_CALL
	impl_getCurrentContentIdentifierString(
			com::sun::star::uno::Any& rAny
			, com::sun::star::uno::Reference<
				com::sun::star::ucb::XContentAccess > xContentAccess )
			throw ( com::sun::star::uno::RuntimeException );

	void SAL_CALL
	impl_getCurrentContentIdentifier(
			com::sun::star::uno::Any& rAny
			, com::sun::star::uno::Reference<
				com::sun::star::ucb::XContentAccess > xContentAccess )
			throw ( com::sun::star::uno::RuntimeException );

	void SAL_CALL
	impl_getCurrentContent(
			com::sun::star::uno::Any& rAny
			, com::sun::star::uno::Reference<
				com::sun::star::ucb::XContentAccess > xContentAccess )
			throw ( com::sun::star::uno::RuntimeException );

	void SAL_CALL
	impl_propagateFetchSizeAndDirection( sal_Int32 nFetchSize, sal_Bool bFetchDirection )
		throw ( com::sun::star::uno::RuntimeException );

public:
	CachedContentResultSetStub( com::sun::star::uno::Reference<
						com::sun::star::sdbc::XResultSet > xOrigin );

	virtual ~CachedContentResultSetStub();


	//-----------------------------------------------------------------
	// XInterface inherited
	//-----------------------------------------------------------------
	XINTERFACE_DECL()
	//-----------------------------------------------------------------
	// own inherited
	//-----------------------------------------------------------------
	virtual void SAL_CALL
	impl_propertyChange( const com::sun::star::beans::PropertyChangeEvent& evt )
		throw( com::sun::star::uno::RuntimeException );

	virtual void SAL_CALL
	impl_vetoableChange( const com::sun::star::beans::PropertyChangeEvent& aEvent )
		throw( com::sun::star::beans::PropertyVetoException,
			   com::sun::star::uno::RuntimeException );
	//-----------------------------------------------------------------
	// XTypeProvider
	//-----------------------------------------------------------------
	XTYPEPROVIDER_DECL()
	//-----------------------------------------------------------------
    // XServiceInfo
	//-----------------------------------------------------------------
	XSERVICEINFO_NOFACTORY_DECL()

	//-----------------------------------------------------------------
	// XFetchProvider
	//-----------------------------------------------------------------

	virtual com::sun::star::ucb::FetchResult SAL_CALL
	fetch( sal_Int32 nRowStartPosition
		, sal_Int32 nRowCount, sal_Bool bDirection )
		throw( com::sun::star::uno::RuntimeException );

	//-----------------------------------------------------------------
	// XFetchProviderForContentAccess
	//-----------------------------------------------------------------
	virtual com::sun::star::ucb::FetchResult SAL_CALL
		 fetchContentIdentifierStrings( sal_Int32 nRowStartPosition
		, sal_Int32 nRowCount, sal_Bool bDirection )
		throw( com::sun::star::uno::RuntimeException );

	virtual com::sun::star::ucb::FetchResult SAL_CALL
		 fetchContentIdentifiers( sal_Int32 nRowStartPosition
		, sal_Int32 nRowCount, sal_Bool bDirection )
		throw( com::sun::star::uno::RuntimeException );

	virtual com::sun::star::ucb::FetchResult SAL_CALL
		 fetchContents( sal_Int32 nRowStartPosition
		, sal_Int32 nRowCount, sal_Bool bDirection )
		throw( com::sun::star::uno::RuntimeException );
};

//=========================================================================

class CachedContentResultSetStubFactory
				: public cppu::OWeakObject
				, public com::sun::star::lang::XTypeProvider
				, public com::sun::star::lang::XServiceInfo
				, public com::sun::star::ucb::XCachedContentResultSetStubFactory
{
protected:
	com::sun::star::uno::Reference<
		com::sun::star::lang::XMultiServiceFactory >	m_xSMgr;

public:

	CachedContentResultSetStubFactory(
		const com::sun::star::uno::Reference<
		com::sun::star::lang::XMultiServiceFactory > & rSMgr);

	virtual ~CachedContentResultSetStubFactory();

	//-----------------------------------------------------------------
	// XInterface
	XINTERFACE_DECL()

	//-----------------------------------------------------------------
	// XTypeProvider
	XTYPEPROVIDER_DECL()

	//-----------------------------------------------------------------
    // XServiceInfo
	XSERVICEINFO_DECL()

	//-----------------------------------------------------------------
    // XCachedContentResultSetStubFactory

	virtual com::sun::star::uno::Reference<
				com::sun::star::sdbc::XResultSet > SAL_CALL
	createCachedContentResultSetStub(
				const com::sun::star::uno::Reference<
					com::sun::star::sdbc::XResultSet > & xSource )
			throw( com::sun::star::uno::RuntimeException );
};

#endif