/* -*- 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_RESULTSETMETADATA_HXX
#define INCLUDED_UCBHELPER_RESULTSETMETADATA_HXX
#include <vector>
#include <memory>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/sdbc/XResultSetMetaData.hpp>
#include <cppuhelper/implbase.hxx>
#include <ucbhelper/ucbhelperdllapi.h>
namespace com::sun::star {
namespace beans { struct Property; }
namespace uno { class XComponentContext; }
}
namespace ucbhelper_impl {
struct ResultSetMetaData_Impl;
}
namespace ucbhelper
{
/**
* This is a structure that holds additional meta data for one column
* of a resultset . The default values set in the constructor should be a
* good guess for many UCB use cases .
*/
struct ResultSetColumnData
{
/** @see ResultSetMetaData::isCaseSensitive */
bool isCaseSensitive;
inline ResultSetColumnData();
};
// Note: Never change the initial values! Implementations using this struct
// may heavily depend on the behaviour of the default constructor.
ResultSetColumnData::ResultSetColumnData()
: isCaseSensitive( true )
{
}
/**
* This is an implementation of the interface XResultSetMetaData . It can be
* used to implement the interface
* css : : sdbc : : XResultSetMetaDataSupplier , which is required for
* implementations of service com . sun . star . ucb . ContentResultSet .
*/
class ResultSetMetaData final :
public cppu::WeakImplHelper<css::sdbc::XResultSetMetaData>
{
std::unique_ptr<ucbhelper_impl::ResultSetMetaData_Impl> m_pImpl;
css::uno::Reference< css::uno::XComponentContext > m_xContext;
css::uno::Sequence< css::beans::Property > m_aProps;
public :
/**
* Constructor . ResultSet is readonly by default .
*
* @ param rxSMgr is a Service Manager .
* @ param rProps is a sequence of properties ( partially ) describing the
* columns of a resultset .
*/
UCBHELPER_DLLPUBLIC ResultSetMetaData(
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
const css::uno::Sequence< css::beans::Property >& rProps );
/**
* Constructor .
*
* @ param rxSMgr is a Service Manager .
* @ param rProps is a sequence of properties ( partially ) describing the
* columns of a resultset .
* @ param rColumnData contains additional meta data for the columns of
* a resultset , which override the default values returned by the
* appropriate methods of this class . The length of rColumnData
* must be the same as length of rProps .
* rColumnData [ 0 ] corresponds to data in rProps [ 0 ] ,
* rColumnData [ 1 ] corresponds to data in rProps [ 1 ] , . . .
*/
UCBHELPER_DLLPUBLIC ResultSetMetaData(
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
const css::uno::Sequence< css::beans::Property >& rProps,
std::vector< ResultSetColumnData >&& rColumnData );
/**
* Destructor .
*/
virtual ~ResultSetMetaData() override;
// XResultSetMetaData
/**
* Returns the number of columns of the resultset .
*
* @ return the length of the property sequence .
*/
virtual sal_Int32 SAL_CALL
getColumnCount() override;
/**
* Checks whether column is automatically numbered , which makes it
* read - only .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return true , if column is automatically numbered .
*/
virtual sal_Bool SAL_CALL
isAutoIncrement( sal_Int32 column ) override;
/**
* Checks whether column is case sensitive .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return true , if column is case sensitive .
*/
virtual sal_Bool SAL_CALL
isCaseSensitive( sal_Int32 column ) override;
/**
* Checks whether the value stored in column can be used in a
* WHERE clause .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return true , if the column is searchable .
*/
virtual sal_Bool SAL_CALL
isSearchable( sal_Int32 column ) override;
/**
* Checks whether column is a cash value .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return true , if the column is a cash value .
*/
virtual sal_Bool SAL_CALL
isCurrency( sal_Int32 column ) override;
/**
* Checks whether a NULL can be stored in column .
*
* @ see css : : sdbc : : ColumnValue
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return css : : sdbc : : ColumnValue : : NULLABLE , if a NULL
* can be stored in the column .
*/
virtual sal_Int32 SAL_CALL
isNullable( sal_Int32 column ) override;
/**
* Checks whether the value stored in column is a signed number .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return true , if the value stored in column is a signed number .
*/
virtual sal_Bool SAL_CALL
isSigned( sal_Int32 column ) override;
/**
* Gets the normal maximum width in characters for column .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the normal maximum width in characters for column .
*/
virtual sal_Int32 SAL_CALL
getColumnDisplaySize( sal_Int32 column ) override;
/**
* Gets the suggested column title for column , to be used in print -
* outs and displays .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the column label .
*/
virtual OUString SAL_CALL
getColumnLabel( sal_Int32 column ) override;
/**
* Gets the name of column .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the name of the property that corresponds to column .
*/
virtual OUString SAL_CALL
getColumnName( sal_Int32 column ) override;
/**
* Gets the schema name for the table from which column of this
* result set was derived .
* Because this feature is not widely supported , the return value
* for many DBMSs will be an empty string .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the schema name of column or an empty string .
*/
virtual OUString SAL_CALL
getSchemaName( sal_Int32 column ) override;
/**
* For number types , getprecision gets the number of decimal digits
* in column .
* For character types , it gets the maximum length in characters for
* column .
* For binary types , it gets the maximum length in bytes for column .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the precision for the column .
*/
virtual sal_Int32 SAL_CALL
getPrecision( sal_Int32 column ) override;
/**
* Gets the number of digits to the right of the decimal point for
* values in column .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the scale of the column .
*/
virtual sal_Int32 SAL_CALL
getScale( sal_Int32 column ) override;
/**
* Gets the name of the table from which column of this result set
* was derived or " " if there is none ( for example , for a join ) .
* Because this feature is not widely supported , the return value
* for many DBMSs will be an empty string .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the table name for column or an empty string .
*/
virtual OUString SAL_CALL
getTableName( sal_Int32 column ) override;
virtual OUString SAL_CALL
/**
* Gets the catalog name for the table from which column of this
* result set was derived .
* Because this feature is not widely supported , the return value
* for many DBMSs will be an empty string .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the catalog name for column or an empty string .
*/
getCatalogName( sal_Int32 column ) override;
/**
* Gets the JDBC type for the value stored in column . . . . The STRUCT
* and DISTINCT type codes are always returned for structured and
* distinct types , regardless of whether the value will be mapped
* according to the standard mapping or be a custom mapping .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the type of the property that corresponds to column - mapped
* from UNO - Type to SQL - Type .
*/
virtual sal_Int32 SAL_CALL
getColumnType( sal_Int32 column ) override;
/**
* Gets the type name used by this particular data source for the
* values stored in column . If the type code for the type of value
* stored in column is STRUCT , DISTINCT or JAVA_OBJECT , this method
* returns a fully - qualified SQL type name .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the column type name .
*/
virtual OUString SAL_CALL
getColumnTypeName( sal_Int32 column ) override;
/**
* Indicates whether a column is definitely not writable .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return true , if the column is definitely not writable .
*/
virtual sal_Bool SAL_CALL
isReadOnly( sal_Int32 column ) override;
/**
* Indicates whether it is possible for a write on the column to succeed .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return true , if it is possible for a write to succeed .
*/
virtual sal_Bool SAL_CALL
isWritable( sal_Int32 column ) override;
/**
* Indicates whether a write on the column will definitely succeed .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return true , if a write on the column will definitely succeed .
*/
virtual sal_Bool SAL_CALL
isDefinitelyWritable( sal_Int32 column ) override;
/**
* Returns the fully - qualified name of the service whose instances
* are manufactured if the method
* css : : sdbc : : ResultSet : : getObject is called to retrieve a
* value from the column .
*
* @ param column is the number of the column for that a value shall
* be returned . The first column is 1 , the second is 2 , . . .
* @ return the service name for column or an empty string , if no service
* is applicable .
*/
virtual OUString SAL_CALL
getColumnServiceName( sal_Int32 column ) override;
};
} // namespace ucbhelper
#endif /* ! INCLUDED_UCBHELPER_RESULTSETMETADATA_HXX */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=73 H=100 G=87
¤ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland