com.hazelcast.sql.impl.calcite.opt.physical.PhysicalRel Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in com.hazelcast.com.liance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.com.hazelcast.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.com.hazelcast.sql.impl.calcite.opt.physical;
import com.hazelcast.com.hazelcast.sql.impl.calcite.opt.HazelcastRelNode;
import com.hazelcast.com.hazelcast.sql.impl.calcite.opt.physical.visitor.PhysicalRelVisitor;
/**
* Marker interface for physical relations.
*/
public interface PhysicalRel extends HazelcastRelNode {
/**
* Visit physical rel. A node should invoke visitor on inputs first.
*
* @param visitor Visitor.
*/
void visit(PhysicalRelVisitor visitor);
}