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Diffstat (limited to 'offapi/com/sun/star/sdb/tools/XObjectNames.idl')
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1 files changed, 164 insertions, 0 deletions
diff --git a/offapi/com/sun/star/sdb/tools/XObjectNames.idl b/offapi/com/sun/star/sdb/tools/XObjectNames.idl new file mode 100644 index 000000000..a82bd59a8 --- /dev/null +++ b/offapi/com/sun/star/sdb/tools/XObjectNames.idl @@ -0,0 +1,164 @@ +/* -*- 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 __com_sun_star_sdb_tools_XObjectNames_idl__ +#define __com_sun_star_sdb_tools_XObjectNames_idl__ + +#include <com/sun/star/lang/IllegalArgumentException.idl> +#include <com/sun/star/sdbc/SQLException.idl> + +module com { module sun { module star { module sdb { module tools { + +/** encapsulates functionality which you might find useful when writing a + database application which deals with query and table names. + + <p>The most important task fulfilled by this instance is that it hides + different naming restrictions from you, which are caused by server-side + or client side specialties.</p> + + <p>For instance, it can validate names against + the characters allowed in the object names of a connection. Also, it + relieves you from caring whether a database supports queries in a <code>SELECT</code> + statement's <code>FROM</code> part (known as "queries in queries"). In such + databases, query and table names share a common namespace, thus they must be + unique. Using this interface, you can easily ensure this uniqueness.</p> + + <p>All of the functionality present in this interface depends on a connection, + thus it entry point for obtaining it is a com::sun::star::sdb::Connection + service.</p> + + <p>The component itself does not have life-time control mechanisms, i.e. you + cannot explicitly dispose it (com::sun::star::lang::XComponent::dispose()), + and you cannot be notified when it dies.<br/> + However, if your try to access any of its methods or attributes, after the + connection which was used to create it was closed, a com::sun::star::lang::DisposedException + will be thrown.</p> + + @see XConnectionTools + + @since OOo 2.0.4 +*/ +interface XObjectNames +{ + /** suggests a (unique) table or query name + + <p>If in the database, tables and queries share a common namespace, this will be respected + by this function.</p> + + <p>Note that in an multi-threaded environment, the name you obtain here is not absolutely + guaranteed to be unique. It is unique at the very moment the function returns to you. + But already when you evaluate the returned value, it might not be unique anymore, if + another process or thread created a query or table with this name.</p> + + <p>This implies that you cannot rely on the name's uniqueness, but you can use it as + first guess to present to the user. In most cases, it will still be sufficient when + you are actually creating the table respectively query.</p> + + @param CommandType + specifies the com::sun::star::sdb::CommandType of the object for which + a unique name is to be generated. Must be either com::sun::star::sdb::CommandType::TABLE + or com::sun::star::sdb::CommandType::QUERY. + + @param BaseName + specifies the base of the to-be-created object name. If empty, a default + base name will be used. + + @throws com::sun::star::lang::IllegalArgumentException + if CommandType specifies an invalid command type. + */ + string suggestName( [in] long CommandType, [in] string BaseName ) + raises ( com::sun::star::lang::IllegalArgumentException, + com::sun::star::sdbc::SQLException ); + + /** converts the given object name to a name which is valid in the database. + + <p>The conversion takes place by converting every character which is neither + allowed by the SQL-92 standard, nor part of the special characters supported + by the database, with an underscore character (_).</p> + + @see com::sun::star::sdbc::XDatabaseMetaData::getExtraNameCharacters + */ + string convertToSQLName( [in] string Name ); + + /** checks whether a given name is used as table respectively query name in the database. + + <p>If in the database, tables and queries share a common namespace, this will be respected + by this function.</p> + + <p>As before, the information you obtain by calling this method might be obsolete + in the very moment you evaluate this, in case another process or thread interferes. + However, it's usually sufficiently up-to-date for purpose of using it in a database + application driven by user interactions.</p> + + @param CommandType + specifies the com::sun::star::sdb::CommandType of the object whose + name should be checked. Must be either com::sun::star::sdb::CommandType::TABLE + or com::sun::star::sdb::CommandType::QUERY. + + @param Name + specifies the to-be-checked name of the object. + + @return + `TRUE` if and only if the given name is legitimate as table respectively query name + to be used in the database. + + @throws com::sun::star::lang::IllegalArgumentException + if CommandType specifies an invalid command type. + + @see checkNameIsUsed + */ + boolean isNameUsed( [in] long CommandType, [in] string Name ) + raises ( com::sun::star::lang::IllegalArgumentException, + com::sun::star::sdbc::SQLException ); + + /** checks whether a given name is valid as table or query name + + <p>For tables, the name must consist of characters allowed by the SQL-92 standard, + plus characters allowed by the connection as extra name characters.</p> + + <p>For queries, names are nearly arbitrary, except that usual quoting characters + must not be part of the name.</p> + + @see com::sun::star::sdbc::XDatabaseMetaData::getExtraNameCharacters + */ + boolean isNameValid( [in] long CommandType, [in] string Name ) + raises ( com::sun::star::lang::IllegalArgumentException ); + + /** checks whether a given name is allowed for a to-be-created table or query in the + database. + + <p>This method basically does the same checks as isNameUsed() and + isNameValid(). In case the given name is not allowed, it throws an + exception. This error can be presented to the user, to give it a common experience + in all cases where he's required to enter an object name.</p> + + @see isNameUsed + @see isNameValid + @see com::sun::star::sdb::ErrorMessageDialog + @see com::sun::star::sdb::InteractionHandler + */ + void checkNameForCreate( [in] long CommandType, [in] string Name ) + raises ( com::sun::star::sdbc::SQLException ); +}; + +}; }; }; }; }; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |