Java tutorial
/* * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.sql; /** * <p>The standard mapping in the Java programming language for an SQL * structured type. A <code>Struct</code> object contains a * value for each attribute of the SQL structured type that * it represents. * By default, an instance of<code>Struct</code> is valid as long as the * application has a reference to it. * <p> * All methods on the <code>Struct</code> interface must be fully implemented if the * JDBC driver supports the data type. * @since 1.2 */ public interface Struct { /** * Retrieves the SQL type name of the SQL structured type * that this <code>Struct</code> object represents. * * @return the fully-qualified type name of the SQL structured * type for which this <code>Struct</code> object * is the generic representation * @exception SQLException if a database access error occurs * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.2 */ String getSQLTypeName() throws SQLException; /** * Produces the ordered values of the attributes of the SQL * structured type that this <code>Struct</code> object represents. * As individual attributes are processed, this method uses the type map * associated with the * connection for customizations of the type mappings. * If there is no * entry in the connection's type map that matches the structured * type that an attribute represents, * the driver uses the standard mapping. * <p> * Conceptually, this method calls the method * <code>getObject</code> on each attribute * of the structured type and returns a Java array containing * the result. * * @return an array containing the ordered attribute values * @exception SQLException if a database access error occurs * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.2 */ Object[] getAttributes() throws SQLException; /** * Produces the ordered values of the attributes of the SQL * structured type that this <code>Struct</code> object represents. * As individual attributes are processed, this method uses the given type map * for customizations of the type mappings. * If there is no * entry in the given type map that matches the structured * type that an attribute represents, * the driver uses the standard mapping. This method never * uses the type map associated with the connection. * <p> * Conceptually, this method calls the method * <code>getObject</code> on each attribute * of the structured type and returns a Java array containing * the result. * * @param map a mapping of SQL type names to Java classes * @return an array containing the ordered attribute values * @exception SQLException if a database access error occurs * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.2 */ Object[] getAttributes(java.util.Map<String, Class<?>> map) throws SQLException; }