001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance 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, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.kernel.api.functions;
019
020import java.util.function.Function;
021
022/**
023 * @author acoburn
024 * @author ajs6f
025 * @since 7/3/16
026 * @param <A> the type from which we are translating
027 * @param <B> the type to which we are translating
028 */
029public interface DomainRestrictedFunction<A, B> extends Function<A, B> {
030
031    /**
032     * A predicate defining any domain restrictions on the function.
033     * @param a an argument to the defined function
034     * @return whether the argument is in the domain of the function
035     */
036    boolean inDomain(final A a);
037
038}