org.apache.calcite.linq4j.ExtendedOrderedQueryable 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 org.apache.calcite.linq4j;
import org.apache.calcite.linq4j.function.Function1;
import org.apache.calcite.linq4j.tree.FunctionExpression;
import java.util.Comparator;
/**
* Extension methods for {@link OrderedQueryable}.
*
* @param Element type
*/
public interface ExtendedOrderedQueryable extends Queryable {
/**
* Performs a subsequent ordering of the elements in a sequence in
* ascending order according to a key.
*/
> OrderedQueryable thenBy(
FunctionExpression> keySelector);
/**
* Performs a subsequent ordering of the elements in a sequence in
* ascending order according to a key, using a specified comparator.
*/
OrderedQueryable thenBy(
FunctionExpression> keySelector,
Comparator comparator);
/**
* Performs a subsequent ordering of the elements in a sequence in
* descending order according to a key.
*/
> OrderedQueryable thenByDescending(
FunctionExpression> keySelector);
/**
* Performs a subsequent ordering of the elements in a sequence in
* descending order according to a key, using a specified comparator.
*/
OrderedQueryable thenByDescending(
FunctionExpression> keySelector,
Comparator comparator);
}
// End ExtendedOrderedQueryable.java