/*
* @(#)MBeanParameterInfo.java 1.24 03/12/19
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package javax.management;
/**
* Describes an argument of an operation exposed by an MBean.
* Instances of this class are immutable. Subclasses may be mutable
* but this is not recommended.
*
* @since 1.5
*/
public class MBeanParameterInfo extends MBeanFeatureInfo implements java.io.Serializable, Cloneable {
/* Serial version */
static final long serialVersionUID = 7432616882776782338L;
/* All zero-length arrays are interchangeable. */
static final MBeanParameterInfo[] NO_PARAMS = new MBeanParameterInfo[0];
/**
* @serial The type or class name of the data.
*/
private final String type;
/**
* Constructs a <CODE>MBeanParameterInfo</CODE> object.
*
* @param name The name of the data
* @param type The type or class name of the data
* @param description A human readable description of the data. Optional.
*/
public MBeanParameterInfo(String name,
String type,
String description)
throws IllegalArgumentException {
super(name, description);
this.type = type;
}
/**
* <p>Returns a shallow clone of this instance.
* The clone is obtained by simply calling <tt>super.clone()</tt>,
* thus calling the default native shallow cloning mechanism
* implemented by <tt>Object.clone()</tt>.
* No deeper cloning of any internal field is made.</p>
*
* <p>Since this class is immutable, cloning is chiefly of
* interest to subclasses.</p>
*/
public Object clone () {
try {
return super.clone() ;
} catch (CloneNotSupportedException e) {
// should not happen as this class is cloneable
return null;
}
}
/**
* Returns the type or class name of the data.
*
* @return the type string.
*/
public String getType() {
return type;
}
/**
* Compare this MBeanParameterInfo to another.
*
* @param o the object to compare to.
*
* @return true iff <code>o</code> is an MBeanParameterInfo such
* that its {@link #getName()}, {@link #getType()}, and {@link
* #getDescription()} values are equal (not necessarily identical)
* to those of this MBeanParameterInfo.
*/
public boolean equals(Object o) {
if (o == this)
return true;
if (!(o instanceof MBeanParameterInfo))
return false;
MBeanParameterInfo p = (MBeanParameterInfo) o;
return (p.getName().equals(getName()) &&
p.getType().equals(getType()) &&
p.getDescription().equals(getDescription()));
}
public int hashCode() {
return getName().hashCode() ^ getType().hashCode();
}
}
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