Github user michaelandrepearce commented on a diff in the pull request: https://github.com/apache/activemq-artemis/pull/2490#discussion_r246520970 --- Diff: artemis-commons/src/main/java/org/apache/activemq/artemis/utils/collections/MultiResettableIterator.java --- @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.activemq.artemis.utils.collections; + +/** + * Extends MultiIterator, adding the ability if the underlying iterators are resettable, then its self can reset. + * It achieves this by going back to the first iterator, and as moves to another iterator it resets it. + * + * @param <T> type of the class of the iterator. + */ +public class MultiResettableIterator<T> extends MultiIterator<T> implements ResettableIterator<T> { --- End diff -- You could but this then makes using MutiIterator ugly as hell with little gain
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