Java tutorial
/* * Copyright (c) 2000, 2017, 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.print.attribute; import java.io.Serializable; /** * Class {@code HashDocAttributeSet} provides an attribute set which inherits * its implementation from class {@link HashAttributeSet HashAttributeSet} and * enforces the semantic restrictions of interface * {@link DocAttributeSet DocAttributeSet}. * * @author Alan Kaminsky */ public class HashDocAttributeSet extends HashAttributeSet implements DocAttributeSet, Serializable { /** * Use serialVersionUID from JDK 1.4 for interoperability. */ private static final long serialVersionUID = -1128534486061432528L; /** * Construct a new, empty hash doc attribute set. */ public HashDocAttributeSet() { super(DocAttribute.class); } /** * Construct a new hash doc attribute set, initially populated with the * given value. * * @param attribute attribute value to add to the set * @throws NullPointerException if {@code attribute} is {@code null} */ public HashDocAttributeSet(DocAttribute attribute) { super(attribute, DocAttribute.class); } /** * Construct a new hash doc attribute set, initially populated with the * values from the given array. The new attribute set is populated by adding * the elements of {@code attributes} array to the set in sequence, starting * at index 0. Thus, later array elements may replace earlier array elements * if the array contains duplicate attribute values or attribute categories. * * @param attributes array of attribute values to add to the set. If * {@code null}, an empty attribute set is constructed. * @throws NullPointerException if any element of {@code attributes} is * {@code null} */ public HashDocAttributeSet(DocAttribute[] attributes) { super(attributes, DocAttribute.class); } /** * Construct a new attribute set, initially populated with the values from * the given set where the members of the attribute set are restricted to * the {@code DocAttribute} interface. * * @param attributes set of attribute values to initialise the set. If * {@code null}, an empty attribute set is constructed. * @throws ClassCastException if any element of {@code attributes} is not an * instance of {@code DocAttribute} */ public HashDocAttributeSet(DocAttributeSet attributes) { super(attributes, DocAttribute.class); } }