1 /* 2 * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package javax.print.attribute; 27 28 /** 29 * Interface {@code PrintJobAttributeSet} specifies the interface for a set of 30 * print job attributes, i.e. printing attributes that implement interface 31 * {@link PrintJobAttribute PrintJobAttribute}. In the Print Service API, a 32 * service uses a {@code PrintJobAttributeSet} to report the status of a print 33 * job. 34 * <p> 35 * A {@code PrintJobAttributeSet} is just an {@link AttributeSet AttributeSet} 36 * whose constructors and mutating operations guarantee an additional invariant, 37 * namely that all attribute values in the {@code PrintJobAttributeSet} must be 38 * instances of interface {@link PrintJobAttribute PrintJobAttribute}. The 39 * {@link #add(Attribute) add(Attribute)}, and 40 * {@link #addAll(AttributeSet) addAll(AttributeSet)} operations are respecified 41 * below to guarantee this additional invariant. 42 * 43 * @author Alan Kaminsky 44 */ 45 public interface PrintJobAttributeSet extends AttributeSet { 46 47 /** 48 * Adds the specified attribute value to this attribute set if it is not 49 * already present, first removing any existing value in the same attribute 50 * category as the specified attribute value (optional operation). 51 * 52 * @param attribute attribute value to be added to this attribute set 53 * @return {@code true} if this attribute set changed as a result of the 54 * call, i.e., the given attribute value was not already a member of 55 * this attribute set 56 * @throws UnmodifiableSetException if this attribute set does not support 57 * the {@code add()} operation 58 * @throws ClassCastException if the {@code attribute} is not an instance of 59 * interface {@link PrintJobAttribute PrintJobAttribute} 60 * @throws NullPointerException if the {@code attribute} is {@code null} 61 */ 62 public boolean add(Attribute attribute); 63 64 /** 65 * Adds all of the elements in the specified set to this attribute. The 66 * outcome is the same as if the {@link #add(Attribute) add(Attribute)} 67 * operation had been applied to this attribute set successively with each 68 * element from the specified set. If none of the categories in the 69 * specified set are the same as any categories in this attribute set, the 70 * {@code addAll()} operation effectively modifies this attribute set so 71 * that its value is the <i>union</i> of the two sets. 72 * <p> 73 * The behavior of the {@code addAll()} operation is unspecified if the 74 * specified set is modified while the operation is in progress. 75 * <p> 76 * If the {@code addAll()} operation throws an exception, the effect on this 77 * attribute set's state is implementation dependent; elements from the 78 * specified set before the point of the exception may or may not have been 79 * added to this attribute set. 80 * 81 * @param attributes whose elements are to be added to this attribute set 82 * @return {@code true} if this attribute set changed as a result of the 83 * call 84 * @throws UnmodifiableSetException if this attribute set does not support 85 * the {@code addAll()} method 86 * @throws ClassCastException if some element in the specified set is not an 87 * instance of interface {@link PrintJobAttribute PrintJobAttribute} 88 * @throws NullPointerException if the specified set is {@code null} 89 * @see #add(Attribute) 90 */ 91 public boolean addAll(AttributeSet attributes); 92 }