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package com.sun.enterprise.admin.common.domains.registry;
import java.util.HashSet;
import java.util.Collection;
/**
* This class represents a collection of {@link ContactData}
* elements. It is a set that guarantees that its elements are
* instances of {@link ContactData}
*
* @author <a href="mailto:toby.h.ferguson@sun.com">Toby H Ferguson</a>
* @version 1.0
*/
public class ContactDataSet extends HashSet
{
public ContactDataSet(){
super();
}
/**
Construct a new instance, adding all the members from the
given collection.
<p>
Precondition - all members of the collection are instances of
the {@link ContactData} class
<p>
postcondition - the returned instance contains all the
members of the given collection, and only those members
@param c the given collection
@throws NullPointerException if c is null
@throws ClassCastException if one of the members of c is not
an instance of the {@link ContactData} class
*/
public ContactDataSet(Collection c) throws NullPointerException, ClassCastException{
super(c);
}
public ContactDataSet(int initialCapacity){
super(initialCapacity);
}
public ContactDataSet(int initialCapacity, float loadFactor){
super(initialCapacity, loadFactor);
}
/**
Add the given object to the receiver.
<p>
precondition - the given object is an instance of the {@link
ContactData} class
<p>
postcondition - the receiver contains the given object
@param o the object to be added
@return true iff the receiver changed as a result of adding
this object
@throws NullPointerException if the object is null
@throws ClassCastException if the object is not an instance
of {@link ContactData} class
*/
public boolean add(Object o) throws NullPointerException, ClassCastException{
return super.add((ContactData) o);
}
}
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