com.hazelcast.org.apache.calcite.linq4j.Enumerable Maven / Gradle / Ivy
/*
* 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 com.hazelcast.org.apache.calcite.linq4j;
import com.hazelcast.org.checkerframework.framework.qual.Covariant;
/**
* Exposes the enumerator, which supports a simple iteration over a collection.
*
* Analogous to LINQ's System.Collections.IEnumerable (both generic
* and non-generic variants).
*
* Also implements {@link Iterable}, to enable use in Java foreach loops.
*
* @param Element type
*/
@Covariant(0)
public interface Enumerable
extends RawEnumerable, Iterable, ExtendedEnumerable {
/**
* Converts this Enumerable to a Queryable.
*
* @see EnumerableDefaults#asQueryable(Enumerable)
*/
@Override Queryable asQueryable();
}