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 */ 018 019/* 020 * Copyright 2015 DuraSpace, Inc. 021 * 022 * Licensed under the Apache License, Version 2.0 (the "License"); 023 * you may not use this file except in compliance with the License. 024 * You may obtain a copy of the License at 025 * 026 * http://www.apache.org/licenses/LICENSE-2.0 027 * 028 * Unless required by applicable law or agreed to in writing, software 029 * distributed under the License is distributed on an "AS IS" BASIS, 030 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 031 * See the License for the specific language governing permissions and 032 * limitations under the License. 033 */ 034package org.fcrepo.kernel.modeshape.utils.iterators; 035 036import com.google.common.util.concurrent.ListenableFuture; 037 038/** 039 * Implemented by something that can consume an {@link java.util.Iterator}. The 040 * assumption is that a reference to the appropriate iterator is managed as part 041 * of the state of any implementation. 042 * 043 * @author ajs6f 044 * @since Oct 24, 2013 045 * @param <E> E 046 * @param <T> T 047 */ 048public interface IteratorConsumer<E, T> { 049 050 /** 051 * Synchronous consumption. 052 */ 053 void consume(); 054 055 /** 056 * Asynchronous consumption. 057 * 058 * @return ListenableFuture 059 */ 060 ListenableFuture<T> consumeAsync(); 061 062}