001/*
002    Licensed to the Apache Software Foundation (ASF) under one
003    or more contributor license agreements.  See the NOTICE file
004    distributed with this work for additional information
005    regarding copyright ownership.  The ASF licenses this file
006    to you under the Apache License, Version 2.0 (the
007    "License"); you may not use this file except in compliance
008    with the License.  You may obtain a copy of the License at
009
010       http://www.apache.org/licenses/LICENSE-2.0
011
012    Unless required by applicable law or agreed to in writing,
013    software distributed under the License is distributed on an
014    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015    KIND, either express or implied.  See the License for the
016    specific language governing permissions and limitations
017    under the License.
018 */
019package org.apache.wiki.util;
020
021
022/**
023 * A {@code Supplier} cousin that also throws Checked Exceptions.
024 *
025 * @param <T> type returned by this functional interface.
026 * @param <E> {@link Exception} thrown by this functional interface.
027 */
028@FunctionalInterface
029public interface CheckedSupplier< T, E extends Exception > {
030
031    /**
032     * Gets a result.
033     *
034     * @throws E a checked exception.
035     * @return a result.
036     */
037    T get() throws E;
038
039}