office-gobmx/offapi/com/sun/star/sdbc/XConnection.idl
2011-04-02 00:08:53 +02:00

432 lines
16 KiB
Text

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef __com_sun_star_sdbc_XConnection_idl__
#define __com_sun_star_sdbc_XConnection_idl__
#include <com/sun/star/uno/XInterface.idl>
module com { module sun { module star { module container {
published interface XNameAccess;
};};};};
#include <com/sun/star/sdbc/SQLException.idl>
#include <com/sun/star/sdbc/XCloseable.idl>
module com { module sun { module star { module sdbc {
published interface XStatement;
published interface XPreparedStatement;
published interface XDatabaseMetaData;
/** represents a connection (session) with a specific
database. Within the context of a Connection, SQL statements are
executed and results are returned.
<p>
A Connection's database is able to provide information
describing its tables, its supported SQL grammar, its stored
procedures, and the capabilities of this connection. This
information is obtained with the
<member scope="com::sun::star::sdbc">XDatabaseMetaData::getMetaData()</member>
method.
</p>
@see com::sun::star::sdbc::XDriverManager
@see com::sun::star::sdbc::XStatement
@see com::sun::star::sdbc::XDatabaseMetaData
*/
published interface XConnection: com::sun::star::sdbc::XCloseable
{
/** creates a new
<type scope="com::sun::star::sdbc">Statement</type>
object for sending SQL statements to the database.
<p>
SQL statements without parameters are normally
executed using Statement objects. If the same SQL statement
is executed many times, it is more efficient to use a
<type scope="com::sun::star::sdbc">PreparedStatement</type>
.
</p>
<p>
Result sets created using the returned Statement will have
forward-only type, and read-only concurrency, by default.
</p>
<p>
Escape processing for the SQL-Statement is enabled, by default.
</p>
@returns
a new Statement object
@throws SQLException
if a database access error occurs.
*/
XStatement createStatement() raises (SQLException);
//-------------------------------------------------------------------------
/** creates a
<type scope="com::sun::star::sdbc">PreparedStatement</type>
object for sending parameterized SQL statements to the database.
<p>
A SQL statement with or without IN parameters can be
pre-compiled and stored in a PreparedStatement object. This
object can then be used to efficiently execute this statement
multiple times.
</p>
<p>
<b>
Note:
</b>
This method is optimized for handling
parametric SQL statements that benefit from precompilation. If
the driver supports precompilation,
the method
<code>prepareStatement</code>
will send
the statement to the database for precompilation. Some drivers
may not support precompilation. In this case, the statement may
not be sent to the database until the
<type scope="com::sun::star::sdbc">PreparedStatement</type>
is executed. This has no direct effect on users; however, it does
affect which method throws certain SQLExceptions.
</p>
<p>
Result sets created using the returned PreparedStatement will have
forward-only type and read-only concurrency, by default.
</p>
<p>
Escape processing for the SQL-Statement is enabled, by default.
</p>
@param sql
a SQL statement that may contain one or more "?" IN parameter placeholders
@returns
a new PreparedStatement object containing the pre-compiled statement
@throws SQLException
if a database access error occurs.
*/
XPreparedStatement prepareStatement([in]string sql) raises (SQLException);
//-------------------------------------------------------------------------
/** creates a
<type scope="com::sun::star::sdbc">CallableStatement</type>
object for calling
database stored procedures.
<p>
The CallableStatement provides methods for setting up its IN and OUT
parameters, and methods for executing the call to a stored procedure.
</p>
<p>
<b>
Note:
</b>
This method is optimized for handling stored
procedure call statements. Some drivers may send the call
statement to the database when the method
<code>prepareCall</code>
is done;
<br/>
others may wait until the CallableStatement is executed. This has no
direct effect on users; however, it does affect which method
throws certain SQLExceptions.
Result sets created using the returned CallableStatement will have
forward-only type and read-only concurrency, by default.
</p>
@param sql
a SQL statement that may contain one or more "?" IN parameter placeholders
@returns
a new PreparedStatement object containing the pre-compiled statement
@throws SQLException
if a database access error occurs.
*/
XPreparedStatement prepareCall([in]string sql) raises (SQLException);
//-------------------------------------------------------------------------
/** converts the given SQL statement into the system's native SQL grammar.
A driver may convert the JDBC SQL grammar into its system's
native SQL grammar prior to sending it; this method returns the
native form of the statement that the driver would have sent.
@param sql
a SQL statement that may contain one or more "?" parameter placeholders
@returns
the native form of this statement
@throws SQLException
if a database access error occurs.
*/
string nativeSQL([in]string sql) raises (SQLException);
//-------------------------------------------------------------------------
/** sets this connection's auto-commit mode.
<p>
If a connection is in auto-commit mode, then all its SQL
statements will be executed and committed as individual
transactions. Otherwise, its SQL statements are grouped into
transactions that are terminated by a call to either
the method
<member scope="com::sun::star::sdbc">XConnection::commit()</member>
or the method
<member scope="com::sun::star::sdbc">XConnection::rollback()</member>
.
By default, new connections are in auto-commit mode.
</p>
<p>
The commit occurs when the statement completes or the next
execute occurs, whichever comes first. In the case of
statements returning a ResultSet, the statement completes when
the last row of the ResultSet has been retrieved or the
ResultSet has been closed. In advanced cases, a single
statement may return multiple results as well as output
parameter values. In these cases the commit occurs when all results and
output parameter values have been retrieved.
</p>
@param autoCommit
<TRUE/> enables auto-commit; <FALSE/> disables auto-commit.
@throws SQLException
if a database access error occurs.
*/
void setAutoCommit([in] boolean autoCommit) raises (SQLException);
//-------------------------------------------------------------------------
/** gets the current auto-commit state.
@returns
the current state of auto-commit mode.
@throws SQLException
if a database access error occurs.
@see setAutoCommit
*/
boolean getAutoCommit() raises (SQLException);
//-------------------------------------------------------------------------
/** makes all changes made since the previous commit/rollback
permanent and releases any database locks currently held
by the Connection. This method should be
used only when auto-commit mode has been disabled.
@throws SQLException
if a database access error occurs.
@see setAutoCommit
*/
void commit() raises (SQLException);
//-------------------------------------------------------------------------
/** drops all changes made since the previous
commit/rollback and releases any database locks currently held
by this Connection. This method should be used only when auto-commit has been disabled.
@throws SQLException
if a database access error occurs.
@see setAutoCommit
*/
void rollback() raises (SQLException);
//-------------------------------------------------------------------------
/** tests to see if a connection is closed.
<p>
<b>
Note:
</b>
A Connection is automatically closed if no one references it
anymore. Certain fatal errors also result in a closed Connection.
</p>
@returns
<TRUE/> if the connection is closed; <FALSE/> if it's still open.
@throws SQLException
if a database access error occurs.
*/
boolean isClosed() raises (SQLException);
//-------------------------------------------------------------------------
/** gets the metadata regarding this connection's database.
<p>
A Connection's database is able to provide information
describing its tables, its supported SQL grammar, its stored
procedures, the capabilities of this connection, and so on. This
information is made available through a DatabaseMetaData
object.
</p>
@returns
a DatabaseMetaData object for this Connection.
@throws SQLException
if a database access error occurs.
*/
XDatabaseMetaData getMetaData() raises (SQLException);
//-------------------------------------------------------------------------
/** puts this connection in read-only mode as a hint to enable
database optimizations.
<p>
<b>
Note:
</b>
This method cannot be called while in the
middle of a transaction. Calling setReadOnly with
<TRUE/>
does not
necessarily cause writes to be prohibited.
</p>
@param readONly
<TRUE/> enables read-only mode; <FALSE/> disables read-only mode.
@throws SQLException
if a database access error occurs.
*/
void setReadOnly([in]boolean readOnly) raises (SQLException);
//-------------------------------------------------------------------------
/** tests to see if the connection is in read-only mode.
@returns
<TRUE/> if connection is read-only and <FALSE/> otherwise.
@throws SQLException
if a database access error occurs.
*/
boolean isReadOnly() raises (SQLException);
//-------------------------------------------------------------------------
/** sets a catalog name in order to select
a subspace of this Connection's database in which to work.
If the driver does not support catalogs, it will
silently ignore this request.
@param catalog
the name of the catalog.
@throws SQLException
if a database access error occurs.
*/
void setCatalog([in]string catalog) raises (SQLException);
//-------------------------------------------------------------------------
/** returns the Connection's current catalog name.
@returns
the current catalog name or an empty string.
@throws SQLException
if a database access error occurs.
*/
string getCatalog() raises (SQLException);
//-------------------------------------------------------------------------
/** attempts to change the transaction isolation level to the one given.
<p>
The constants defined in
<type scope="com::sun::star::sdbc">TransactionIsolation</type>
are the possible transaction isolation levels.
</p>
<p>
<b>
Note:
</b>
This method cannot be called while
in the middle of a transaction.
</p>
@param level
one of the TransactionIsolation values with the exception of NONE; some databases may not support other values.
@throws SQLException
if a database access error occurs.
@see com::sun::star::sdbc::XDatabaseMetaData::supportsTransactionIsolationLevel()
*/
void setTransactionIsolation([in]long level) raises (SQLException);
//-------------------------------------------------------------------------
/** gets this Connection's current transaction isolation level.
@returns
the current TransactionIsolation mode value.
@throws SQLException
if a database access error occurs.
*/
long getTransactionIsolation() raises (SQLException);
//-------------------------------------------------------------------------
/** gets the type map object associated with this connection. Only drivers
which implement the custom type mapping facility will return an object otherwise
NULL could be returned.
<p>
Unless the application has added an entry to the type map, the map
returned will be empty.
</p>
@returns
the XNameAccess object associated with this Connection object.
@throws SQLException
if a database access error occurs.
*/
com::sun::star::container::XNameAccess getTypeMap() raises (SQLException);
//-------------------------------------------------------------------------
/** installs the given type map as the type map for this connection.
The type map will be used for the custom mapping of SQL structured types
and distinct types.
<p>
Only if the driver supports custom type mapping is the setting of a map allowed.
</p>
@param typeMap
set the XNameAccess object associated with this Connection object.
@throws SQLException
if a database access error occurs.
*/
void setTypeMap([in]com::sun::star::container::XNameAccess typeMap)
raises (SQLException);
};
//=============================================================================
}; }; }; };
/*===========================================================================
===========================================================================*/
#endif