1 /* 2 * Copyright (c) 2012, 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 package java.util.function; 26 27 /** 28 * Combines two {@code long} operands producing an {@code long} result. 29 * 30 * @since 1.8 31 */ 32 public interface LongBinaryOperator /* extends BinaryOperator<Long> */ { 33 // 34 // /** 35 // * Returns the result of some binary operation upon the operands. The 36 // * parameters are named {@code left} and {@code right} for operations where 37 // * the order of operands matters. 38 // * 39 // * @param left the left operand 40 // * @param right the right operand 41 // * @return result of the operation 42 // */ 43 // public default Long operate(Long left, Long right) { return operate((long) left, (long) right); } 44 45 /** 46 * Returns the result of some binary operation upon the operands. The 47 * parameters are named {@code left} and {@code right} for operations where 48 * the order of operands matters. 49 * 50 * @param left value used as the left operand 51 * @param right value used as the right operand 52 * @return result value of the operation 53 */ 54 public long operate(long left, long right); 55 }