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/*
* Copyright 2000-2007 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.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
//
}