Java tutorial
/* * Copyright (c) 1999, 2015, 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 javax.management; // java import import java.io.Serializable; /** * <p>Represents relational constraints similar to database query "where * clauses". Instances of QueryExp are returned by the static methods of the * {@link Query} class.</p> * * <p>It is possible, but not * recommended, to create custom queries by implementing this * interface. In that case, it is better to extend the {@link * QueryEval} class than to implement the interface directly, so that * the {@link #setMBeanServer} method works correctly. * * @see MBeanServer#queryNames MBeanServer.queryNames * @since 1.5 */ public interface QueryExp extends Serializable { /** * Applies the QueryExp on an MBean. * * @param name The name of the MBean on which the QueryExp will be applied. * * @return True if the query was successfully applied to the MBean, false otherwise * * @throws BadStringOperationException when an invalid string * operation is passed to a method for constructing a query * @throws BadBinaryOpValueExpException when an invalid expression * is passed to a method for constructing a query * @throws BadAttributeValueExpException when an invalid MBean * attribute is passed to a query constructing method * @throws InvalidApplicationException when an invalid apply is attempted */ public boolean apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException, BadAttributeValueExpException, InvalidApplicationException; /** * Sets the MBean server on which the query is to be performed. * * @param s The MBean server on which the query is to be performed. */ public void setMBeanServer(MBeanServer s); }