001
002/*
003 * Copyright 2015 DuraSpace, Inc.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.fcrepo.kernel.modeshape.utils.iterators;
018
019import com.google.common.util.concurrent.ListenableFuture;
020import org.fcrepo.kernel.api.exception.MalformedRdfException;
021
022/**
023 * Implemented by something that can consume an {@link java.util.Iterator}. The
024 * assumption is that a reference to the appropriate iterator is managed as part
025 * of the state of any implementation.
026 * 
027 * @author ajs6f
028 * @since Oct 24, 2013
029 * @param <E> E
030 * @param <T> T
031 */
032public interface IteratorConsumer<E, T> {
033
034    /**
035     * Synchronous consumption.
036     * @throws MalformedRdfException if malformed rdf exception occurred
037     */
038    void consume() throws MalformedRdfException;
039
040    /**
041     * Asynchronous consumption.
042     *
043     * @return ListenableFuture
044     */
045    ListenableFuture<T> consumeAsync();
046
047}