001/* ValueExp.java -- Represents values that can be passed to queries.
002   Copyright (C) 2006 Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038package javax.management;
039
040import java.io.Serializable;
041
042/**
043 * Represents values that may be passed as arguments to
044 * {@link QueryExp}s.  Strings, numbers and bean attributes
045 * are all valid argument types for query expressions, and
046 * so should be represented as implementations of this
047 * interface.
048 *
049 * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
050 * @since 1.5
051 */
052public interface ValueExp
053  extends Serializable
054{
055
056  /**
057   * Applies the value expression to the specified management bean.
058   *
059   * @param name the name of the management bean.
060   * @return the value expression.
061   * @throws BadStringOperationException if an invalid string
062   *                                     operation is used by
063   *                                     the value expression.
064   * @throws BadBinaryOpValueExpException if an invalid expression
065   *                                      is used by the value expression.
066   * @throws BadAttributeValueExpException if an invalid attribute
067   *                                       is used by the value expression.
068   * @throws InvalidApplicationException if the value expression is applied
069   *                                     to the wrong type of bean.
070   */
071  ValueExp apply(ObjectName name)
072    throws BadStringOperationException, BadBinaryOpValueExpException,
073           BadAttributeValueExpException, InvalidApplicationException;
074
075  /**
076   * Changes the {@link MBeanServer} on which this query is performed.
077   *
078   * @param server the new server to use.
079   * @deprecated This method is superfluous, as the {@link ValueExp}
080   *             can access the server using
081   *             {@link QueryEval#getMBeanServer()}.
082   */
083  void setMBeanServer(MBeanServer server);
084
085}