/* * Copyright (c) 2000, 2007, 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.openmbean;  // java import//  // jmx import//  /** * <p>Describes an attribute of an open MBean.</p> * * <p>This interface declares the same methods as the class {@link * javax.management.MBeanAttributeInfo}.  A class implementing this * interface (typically {@link OpenMBeanAttributeInfoSupport}) should * extend {@link javax.management.MBeanAttributeInfo}.</p> * * * @since 1.5 */public interface OpenMBeanAttributeInfo extends OpenMBeanParameterInfo {      // Re-declares the methods that are in class MBeanAttributeInfo of JMX 1.0    // (these will be removed when MBeanAttributeInfo is made a parent interface of this interface)     /**     * Returns <tt>true</tt> if the attribute described by this <tt>OpenMBeanAttributeInfo</tt> instance is readable,     * <tt>false</tt> otherwise.     *     * @return true if the attribute is readable.     */    public boolean isReadable() ;     /**     * Returns <tt>true</tt> if the attribute described by this <tt>OpenMBeanAttributeInfo</tt> instance is writable,     * <tt>false</tt> otherwise.     *     * @return true if the attribute is writable.     */    public boolean isWritable() ;     /**     * Returns <tt>true</tt> if the attribute described by this <tt>OpenMBeanAttributeInfo</tt> instance     * is accessed through a <tt>is<i>XXX</i></tt> getter (applies only to <tt>boolean</tt> and <tt>Boolean</tt> values),     * <tt>false</tt> otherwise.     *     * @return true if the attribute is accessed through <tt>is<i>XXX</i></tt>.     */    public boolean isIs() ;      // commodity methods    //     /**     * Compares the specified <var>obj</var> parameter with this <code>OpenMBeanAttributeInfo</code> instance for equality.     * <p>     * Returns <tt>true</tt> if and only if all of the following statements are true:     * <ul>     * <li><var>obj</var> is non null,</li>     * <li><var>obj</var> also implements the <code>OpenMBeanAttributeInfo</code> interface,</li>     * <li>their names are equal</li>     * <li>their open types are equal</li>     * <li>their access properties (isReadable, isWritable and isIs) are equal</li>     * <li>their default, min, max and legal values are equal.</li>     * </ul>     * This ensures that this <tt>equals</tt> method works properly for <var>obj</var> parameters which are     * different implementations of the <code>OpenMBeanAttributeInfo</code> interface.     * <br>&nbsp;     * @param  obj  the object to be compared for equality with this <code>OpenMBeanAttributeInfo</code> instance;     *     * @return  <code>true</code> if the specified object is equal to this <code>OpenMBeanAttributeInfo</code> instance.     */    public boolean equals(Object obj);     /**     * Returns the hash code value for this <code>OpenMBeanAttributeInfo</code> instance.     * <p>     * The hash code of an <code>OpenMBeanAttributeInfo</code> instance is the sum of the hash codes     * of all elements of information used in <code>equals</code> comparisons     * (ie: its name, its <i>open type</i>, and its default, min, max and legal values).     * <p>     * This ensures that <code> t1.equals(t2) </code> implies that <code> t1.hashCode()==t2.hashCode() </code>     * for any two <code>OpenMBeanAttributeInfo</code> instances <code>t1</code> and <code>t2</code>,     * as required by the general contract of the method     * {@link Object#hashCode() Object.hashCode()}.     * <p>     *     * @return  the hash code value for this <code>OpenMBeanAttributeInfo</code> instance     */    public int hashCode();     /**     * Returns a string representation of this <code>OpenMBeanAttributeInfo</code> instance.     * <p>     * The string representation consists of the name of this class (ie <code>javax.management.openmbean.OpenMBeanAttributeInfo</code>),     * the string representation of the name and open type of the described attribute,     * and the string representation of its default, min, max and legal values.     *     * @return  a string representation of this <code>OpenMBeanAttributeInfo</code> instance     */    public String toString();      // methods specific to open MBeans are inherited from    // OpenMBeanParameterInfo    // }