/* See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * Esri Inc. 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 com.esri.gpt.framework.util; import java.util.Iterator; /** * Read-only iterator. * @param <E> type of element */ public abstract class ReadOnlyIterator<E> implements Iterator<E> { /** * Since removal is not supported, it throws {@link UnsupportedOperationException}. * @throws UnsupportedOperationException every time is being invoked */ @Override public void remove() { throw new UnsupportedOperationException("Unable to remove current element. This is read-only iterator."); } }