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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * 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,
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 *
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 */

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
/**
 * 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 Cloneable {

    /* Serial version */
    static final long serialVersionUID = 7432616882776782338L;

    /* All zero-length arrays are interchangeable. */
    static final MBeanParameterInfo[] NO_PARAMS = new MBeanParameterInfo[0];

    
@serialThe type or class name of the data.
/**
     * @serial The type or class name of the data.
     */
    private final String type;


    
Constructs an MBeanParameterInfo object.

Params:
  • name – The name of the data
  • type – The type or class name of the data
  • description – A human readable description of the data. Optional.
/**
     * Constructs an <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) {
        this(name, type, description, (Descriptor) null);
    }

    
Constructs an MBeanParameterInfo object.

Params:
  • name – The name of the data
  • type – The type or class name of the data
  • description – A human readable description of the data. Optional.
  • descriptor – The descriptor for the operation.  This may be null
which is equivalent to an empty descriptor.
Since:1.6
/**
     * Constructs an <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.
     * @param descriptor The descriptor for the operation.  This may be null
     * which is equivalent to an empty descriptor.
     *
     * @since 1.6
     */
    public MBeanParameterInfo(String name,
                              String type,
                              String description,
                              Descriptor descriptor) {
        super(name, description, descriptor);

        this.type = type;
    }


    
Returns a shallow clone of this instance.
The clone is obtained by simply calling super.clone(),
thus calling the default native shallow cloning mechanism
implemented by Object.clone().
No deeper cloning of any internal field is made.


Since this class is immutable, cloning is chiefly of
interest to subclasses.


/**
     * <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.

Returns:the type string.
/**
     * Returns the type or class name of the data.
     *
     * @return the type string.
     */
    public String getType() {
        return type;
    }

    public String toString() {
        return
            getClass().getName() + "[" +
            "description=" + getDescription() + ", " +
            "name=" + getName() + ", " +
            "type=" + getType() + ", " +
            "descriptor=" + getDescriptor() +
            "]";
    }

    
Compare this MBeanParameterInfo to another.

Params:
  • o – the object to compare to.
Returns:true if and only if o is an MBeanParameterInfo such that its MBeanFeatureInfo.getName(), getType(), MBeanFeatureInfo.getDescriptor(), and MBeanFeatureInfo.getDescription() values are equal (not necessarily identical) to those of this MBeanParameterInfo.
/**
     * Compare this MBeanParameterInfo to another.
     *
     * @param o the object to compare to.
     *
     * @return true if and only if <code>o</code> is an MBeanParameterInfo such
     * that its {@link #getName()}, {@link #getType()},
     * {@link #getDescriptor()}, 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()) &&
                p.getDescriptor().equals(getDescriptor()));
    }

    public int hashCode() {
        return getName().hashCode() ^ getType().hashCode();
    }
}