| /* |
| * 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.calcite.linq4j; |
| |
| /** |
| * Exposes the enumerator, which supports a simple iteration over a collection, |
| * without the extension methods. |
| * |
| * <p>Just the bare methods, to make it easier to implement. Code that requires |
| * the extension methods can use the static methods in {@link Extensions}.</p> |
| * |
| * <p>Analogous to LINQ's System.Collections.IEnumerable (both generic |
| * and non-generic variants), without the extension methods.</p> |
| * |
| * @param <T> Element type |
| * @see Enumerable |
| */ |
| public interface RawEnumerable<T> { |
| /** |
| * Returns an enumerator that iterates through a collection. |
| */ |
| Enumerator<T> enumerator(); |
| } |