| /* |
| // Licensed to Julian Hyde under one or more contributor license |
| // agreements. See the NOTICE file distributed with this work for |
| // additional information regarding copyright ownership. |
| // |
| // Julian Hyde 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 net.hydromatic.linq4j; |
| |
| import net.hydromatic.linq4j.expressions.FunctionExpression; |
| import net.hydromatic.linq4j.function.Function1; |
| |
| import java.util.Comparator; |
| |
| /** |
| * Extension methods for {@link OrderedQueryable}. |
| * |
| * @author jhyde |
| */ |
| public interface ExtendedOrderedQueryable<T> extends Queryable<T> { |
| /** |
| * Performs a subsequent ordering of the elements in a sequence in |
| * ascending order according to a key. |
| */ |
| <TKey extends Comparable<TKey>> OrderedQueryable<T> thenBy( |
| FunctionExpression<Function1<T, TKey>> keySelector); |
| |
| /** |
| * Performs a subsequent ordering of the elements in a sequence in |
| * ascending order according to a key, using a specified comparator. |
| */ |
| <TKey> OrderedQueryable<T> thenBy( |
| FunctionExpression<Function1<T, TKey>> keySelector, |
| Comparator<TKey> comparator); |
| |
| /** |
| * Performs a subsequent ordering of the elements in a sequence in |
| * descending order according to a key. |
| */ |
| <TKey extends Comparable<TKey>> OrderedQueryable<T> thenByDescending( |
| FunctionExpression<Function1<T, TKey>> keySelector); |
| |
| /** |
| * Performs a subsequent ordering of the elements in a sequence in |
| * descending order according to a key, using a specified comparator. |
| */ |
| <TKey> OrderedQueryable<T> thenByDescending( |
| FunctionExpression<Function1<T, TKey>> keySelector, |
| Comparator<TKey> comparator); |
| } |
| |
| // End ExtendedOrderedQueryable.java |