Java example source code file (OpenMBeanConstructorInfo.java)

This example Java source code file (OpenMBeanConstructorInfo.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

management, mbeanparameterinfo, openmbeanconstructorinfo, string

The OpenMBeanConstructorInfo.java Java example source code

/*
 * 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
//
import javax.management.MBeanParameterInfo;


/**
 * <p>Describes a constructor of an Open MBean.

 *
 * <p>This interface declares the same methods as the class {@link
 * javax.management.MBeanConstructorInfo}.  A class implementing this
 * interface (typically {@link OpenMBeanConstructorInfoSupport})
 * should extend {@link javax.management.MBeanConstructorInfo}.</p>
 *
 * <p>The {@link #getSignature()} method should return at runtime an
 * array of instances of a subclass of {@link MBeanParameterInfo}
 * which implements the {@link OpenMBeanParameterInfo} interface
 * (typically {@link OpenMBeanParameterInfoSupport}).</p>
 *
 *
 *
 * @since 1.5
 */
public interface OpenMBeanConstructorInfo {

    // Re-declares the methods that are in class MBeanConstructorInfo of JMX 1.0
    // (methods will be removed when MBeanConstructorInfo is made a parent interface of this interface)

    /**
     * Returns a human readable description of the constructor
     * described by this <tt>OpenMBeanConstructorInfo instance.
     *
     * @return the description.
     */
    public String getDescription() ;

    /**
     * Returns the name of the constructor
     * described by this <tt>OpenMBeanConstructorInfo instance.
     *
     * @return the name.
     */
    public String getName() ;

    /**
     * Returns an array of <tt>OpenMBeanParameterInfo instances
     * describing each parameter in the signature of the constructor
     * described by this <tt>OpenMBeanConstructorInfo instance.
     *
     * @return the signature.
     */
    public MBeanParameterInfo[] getSignature() ;


    // commodity methods
    //

    /**
     * Compares the specified <var>obj parameter with this OpenMBeanConstructorInfo instance for equality.
     * <p>
     * Returns <tt>true if and only if all of the following statements are true:
     * <ul>
     * <li>obj is non null,
     * <li>obj also implements the OpenMBeanConstructorInfo interface,
     * <li>their names are equal
     * <li>their signatures are equal.
     * </ul>
     * This ensures that this <tt>equals method works properly for obj parameters which are
     * different implementations of the <code>OpenMBeanConstructorInfo interface.
     * <br> 
     * @param  obj  the object to be compared for equality with this <code>OpenMBeanConstructorInfo instance;
     *
     * @return  <code>true if the specified object is equal to this OpenMBeanConstructorInfo instance.
     */
    public boolean equals(Object obj);

    /**
     * Returns the hash code value for this <code>OpenMBeanConstructorInfo instance.
     * <p>
     * The hash code of an <code>OpenMBeanConstructorInfo instance is the sum of the hash codes
     * of all elements of information used in <code>equals comparisons
     * (ie: its name and signature, where the signature hashCode is calculated by a call to
     *  <tt>java.util.Arrays.asList(this.getSignature).hashCode()).
     * <p>
     * This ensures that <code> t1.equals(t2)  implies that  t1.hashCode()==t2.hashCode() 
     * for any two <code>OpenMBeanConstructorInfo instances t1 and t2,
     * as required by the general contract of the method
     * {@link Object#hashCode() Object.hashCode()}.
     * <p>
     *
     * @return  the hash code value for this <code>OpenMBeanConstructorInfo instance
     */
    public int hashCode();

    /**
     * Returns a string representation of this <code>OpenMBeanConstructorInfo instance.
     * <p>
     * The string representation consists of the name of this class (ie <code>javax.management.openmbean.OpenMBeanConstructorInfo),
     * and the name and signature of the described constructor.
     *
     * @return  a string representation of this <code>OpenMBeanConstructorInfo instance
     */
    public String toString();

}