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 * A supplier of {@code long} values. 29 * 30 * <p>This is the primitive type specialization of {@link Supplier} for 31 * {@code long} and also may be used as a {@code Supplier<Long>}. 32 * 33 * @since 1.8 34 */ 35 public interface LongSupplier extends Supplier<Long> { 36 37 /** 38 * {@inheritDoc} 39 * 40 * @return {@inheritDoc}, always non-null 41 */ 42 @Override 43 public default Long get() { 44 return getAsLong(); 45 } 46 47 /** 48 * Returns a {@code long} value. 49 * 50 * @return a {@code long} value. 51 */ 52 public long getAsLong(); 53 }