/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* 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 .
*/
module com { module sun { module star { module sdbc {
published interface XSQLInput;
published interface XSQLOutput;
/** is used for the custom mapping of SQL user-defined types.
< p >
This interface must be implemented by a service that is
registered in a type mapping . It is expected that this interface
will normally be implemented by a tool . The methods in this interface
are called by the driver and are never called by a programmer
directly .
< / p >
*/
published interface XSQLData: com::sun::star::uno::XInterface
{
/** returns the fully-qualified name of the SQL user-defined type
that this object represents .
< p >
This method is called by the SDBC driver to get the name of the
UDT instance that is being mapped to this instance of SQLData .
< / p >
@ returns
the name of the SQL type .
@ throws SQLException
if a database access error occurs .
*/
string getSQLTypeName() raises (SQLException);
/** populates this object with data read from the database.
< p >
The implementation of the method must follow this protocol :
< br / >
It must read each of the attributes or elements of the SQL
type from the given input stream . This is done
by calling a method of the input stream to read each
item , in the order that they appear in the SQL definition
of the type . The method
< code > readSQL < / code >
then assigns the data to appropriate fields or elements ( of this
or other objects ) .
< br / >
Specifically , it must call the appropriate
< code > XSQLInput . readXXX < / code >
method ( s ) to do the following :
for a Distinct Type , read its single data element ;
for a Structured Type , read a value for each attribute of the SQL type .
< / p >
< p >
The SDBC driver initializes the input stream with a type map
before calling this method , which is used by the appropriate
< code > SQLInput . readXXX < / code >
method on the stream .
< / p >
@ param stream
the input SQL data stream
@ param typeName
the SQL type of the value on the data stream
@ throws SQLException
if a database access error occurs .
@ see com : : sun : : star : : sdbc : : XSQLInput
*/
void readSQL([in]XSQLInput stream, [in]string typeName )
raises (SQLException);
/** writes this object to the given SQL data stream.
< p >
The implementation of the method must follow this protocol :
< br / >
It must write each of the attributes of the SQL type to the given output
stream . This is done by calling a method of the output stream to write
each item , in the order that they appear in the SQL definition of the type .
Specifically , it must call the appropriate
< code > XSQLOutput . writeXXX < / code >
method ( s ) to do the following : < br >
for a Distinct Type , write its single data element ;
for a Structured Type , write a value for each attribute of the SQL type .
< / p >
@ param stream
the output SQL data stream
@ throws SQLException
if a database access error occurs .
@ see com : : sun : : star : : sdbc : : XSQLOutput
*/
void writeSQL([in]XSQLOutput stream) raises (SQLException);
};
}; }; }; };
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