libjava/classpath/javax/management/QueryExp.java

   1 /* QueryExp.java -- Represents a query expression.
   2    Copyright (C) 2006 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38 package javax.management;
  39
  40 import java.io.Serializable;
  41
  42 /**
  43  * Applies the type of relational constraints seen in the
  44  * <code>where</code> clauses of databases to an
  45  * {@link ObjectName}.  Instances of this class are usually
  46  * returned by the static methods of the {@link Query} classes.
  47  * If a custom implementation is required, it is better to
  48  * extend the {@link QueryEval} class, rather than simply
  49  * implementing this interface, in order to ensure that
  50  * the {@link #setMBeanServer(MBeanServer)} method functions
  51  * correctly.
  52  *
  53  * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
  54  * @since 1.5
  55  */
  56 public interface QueryExp
  57   extends Serializable
  58 {
  59
  60   /**
  61    * Applies the query to the specified management bean.
  62    *
  63    * @param name the name of the management bean.
  64    * @return true if the query was applied successfully.
  65    * @throws BadStringOperationException if an invalid string
  66    *                                     operation is used by
  67    *                                     the query.
  68    * @throws BadBinaryOpValueExpException if an invalid expression
  69    *                                      is used by the query.
  70    * @throws BadAttributeValueExpException if an invalid attribute
  71    *                                       is used by the query.
  72    * @throws InvalidApplicationException if the query is applied
  73    *                                     to the wrong type of bean.
  74    */
  75   boolean apply(ObjectName name)
  76     throws BadStringOperationException, BadBinaryOpValueExpException,
  77            BadAttributeValueExpException, InvalidApplicationException;
  78
  79   /**
  80    * Changes the {@link MBeanServer} on which this query is performed.
  81    *
  82    * @param server the new server to use.
  83    */
  84   void setMBeanServer(MBeanServer server);
  85
  86 }
  87